# EDGAR Filing Document

**Accession Number:** 0001518557
**File Stem:** 0001752724-23-015622
**Filing Date:** 2023-1
**Character Count:** 56599
**Document Hash:** 849756c29e344f87df272aeaef79115f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-015622.hdr.sgml**: 20230127

**ACCESSION NUMBER**: 0001752724-23-015622

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221130

**FILED AS OF DATE**: 20230127

**DATE AS OF CHANGE**: 20230127

**PERIOD START**: 20230531

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MainStay MacKay DefinedTerm Municipal Opportunities Fund
- **CENTRAL INDEX KEY:** 0001518557
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0531

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-22551
- **FILM NUMBER:** 23560043

**BUSINESS ADDRESS:**
- **STREET 1:** 51 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010
- **BUSINESS PHONE:** 212-576-7000

**MAIL ADDRESS:**
- **STREET 1:** 51 MADISON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10010

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MainStay DefinedTerm Municipal Opportunities Fund
- **DATE OF NAME CHANGE:** 20120417

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MainStay DefinedTerm Municipal High Income Fund
- **DATE OF NAME CHANGE:** 20110419

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** MainStay MacKay DefinedTerm Municipal Opportunities Fund

- **b. Investment Company Act file number:** 811-22551

- **c. CIK number of Registrant:** 0001518557

- **d. LEI of Registrant:** 549300AOV8XDBTKPOR64

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 51 Madison Avenue

  - **City:** New York

  - **State:** NY

  - **Foreign country:** US

  - **Zip / Postal Code:** 10010

  - **Telephone number:** 212-576-7000

**Item A.2. Information about the Series.**

- **a. Name of Series:** MainStay MacKay DefinedTerm Municipal Opportunities Fund

- **c. LEI of Series:** 549300AOV8XDBTKPOR64

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2023-05-31

- **b. Date as of which information is reported:** 2022-11-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $777580848.08

**Total Liabilities:** $305425523.07

**Net Assets:** $472155325.01

**Cash Not Reported:** $3835320.24

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** -23.82000000 | **1-Year:** -661.39000000 | **5-Year:** -2851.73000000 | **10-Year:** -78563.68000000 | **30-Year:** -160401.63000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** -476.34000000 | **5-Year:** -3572.78000000 | **10-Year:** -42134.40000000 | **30-Year:** -48437.37000000

**Monthly Return Information**

| Class        | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID N/A | -6.19%               | -2.23%               | 7.08%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-6835083.64             | $-25162902.38                              |
| Month 2  | $-11041115.10            | $8290738.60                                |
| Month 3  | $-4040552.11             | $30330403.52                               |

**Designated Index Information**

- **Index Name:** Bloomberg Municipal Bond

- **Index Identifier:** LHMN0730

### Schedule of Portfolio Investments

| Name                                                                         | Title                                                                        | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Matching Fund Special Purpose Securitization Corp.                           | Matching Fund Special Purpose Securitization Corp.                           | CUSIP: 57665NAG0<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   4710000 | PA      | $4749665.74   | 1.01%             | 2039-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Manchester Housing and Redevelopment Authority, Inc.                         | Manchester Housing and Redevelopment Authority, Inc.                         | CUSIP: 562345AX6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   4740000 | PA      | $4503699.62   | 0.95%             | 2024-01-01      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| City of Miami Beach                                                          | City of Miami Beach                                                          | CUSIP: 593201ZL3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  15000000 | PA      | $14620536.00  | 3.10%             | 2044-05-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| San Antonio Water System                                                     | San Antonio Water System                                                     | CUSIP: 79642GPP1<br>LEI: 549300S7VENCVRZAA322 | Long             | DBT              | MUN               | US        |   6000000 | PA      | $6657450.00   | 1.41%             | 2052-05-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Philadelphia Authority for Industrial Development                            | Philadelphia Authority for Industrial Development                            | CUSIP: 71781XAM5<br>LEI: 549300DIY68KQZEW7M79 | Long             | DBT              | MUN               | US        |   2000000 | PA      | $2008638.80   | 0.43%             | 2043-12-01      | Fixed         | 8.20%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Electric Power Authority                                         | Puerto Rico Electric Power Authority                                         | CUSIP: 74526QCM2<br>LEI: 5493003BRB67HF8ST418 | Long             | DBT              | MUN               | PR        |   1130000 | PA      | $1134539.21   | 0.24%             | 2024-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| City of Salt Lake City Airport                                               | City of Salt Lake City Airport                                               | CUSIP: 795576FY8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3000000 | PA      | $3036799.20   | 0.64%             | 2047-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| JEA Electric System                                                          | JEA Electric System                                                          | CUSIP: 46613C4L6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  12980000 | PA      | $12996098.28  | 2.75%             | 2037-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Tobacco Settlement Financing Corp.                                           | Tobacco Settlement Financing Corp.                                           | CUSIP: 88880NAU3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $4665770.50   | 0.99%             | 2047-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Triborough Bridge & Tunnel Authority                                         | Triborough Bridge & Tunnel Authority                                         | CUSIP: 89602HEN3<br>LEI: 54930020ZN4LQF7K3456 | Long             | DBT              | MUN               | US        |   2700000 | PA      | $2993933.07   | 0.63%             | 2047-05-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Virgin Islands Public Finance Authority                                      | Virgin Islands Public Finance Authority                                      | CUSIP: 927676TB2<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   2980000 | PA      | $2876858.33   | 0.61%             | 2029-10-01      | Fixed         | 5.00%                 | Yes           |                  2 | On Loan: No      |
| Harris County-Houston Sports Authority                                       | Harris County-Houston Sports Authority                                       | CUSIP: 413890BV5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    260000 | PA      | $109984.37    | 0.02%             | 2038-11-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Los Angeles Department of Water & Power                                      | Los Angeles Department of Water & Power                                      | CUSIP: 544495Z64<br>LEI: 549300S8NXV6YU61GG95 | Long             | DBT              | MUN               | US        |  28900000 | PA      | $30503441.79  | 6.46%             | 2042-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| County of Broward Convention Center Hotel                                    | County of Broward Convention Center Hotel                                    | CUSIP: 115012AV8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  15600000 | PA      | $17347084.56  | 3.67%             | 2055-01-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Matching Fund Special Purpose Securitization Corp.                           | Matching Fund Special Purpose Securitization Corp.                           | CUSIP: 57665NAF2<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   1570000 | PA      | $1618752.74   | 0.34%             | 2032-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Municipal Electric Authority of Georgia                                      | Municipal Electric Authority of Georgia                                      | CUSIP: 626207Z31<br>LEI: JA0WNILDDF2KUPS83B16 | Long             | DBT              | MUN               | US        |   2470000 | PA      | $2354724.61   | 0.50%             | 2044-01-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Chicago O'Hare International Airport                                         | Chicago O'Hare International Airport                                         | CUSIP: 167593X56<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  30000000 | PA      | $31320612.00  | 6.63%             | 2045-01-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Metropolitan Pier & Exposition Authority                                     | Metropolitan Pier & Exposition Authority                                     | CUSIP: 592248BA5<br>LEI: 254900I3VDCQ58UGBR15 | Long             | DBT              | MUN               | US        |  10000000 | PA      | $3735535.00   | 0.79%             | 2043-06-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Electric Power Authority                                         | Puerto Rico Electric Power Authority                                         | CUSIP: 74526QNT5<br>LEI: 5493003BRB67HF8ST418 | Long             | DBT              | MUN               | PR        |    310000 | PA      | $312074.49    | 0.07%             | 2027-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Sterling Ranch Community Authority Board                                     | Sterling Ranch Community Authority Board                                     | CUSIP: 85950NAM2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $775244.10    | 0.16%             | 2050-12-01      | Fixed         | 4.25%                 | No            |                  2 | On Loan: No      |
| Washington State Housing Finance Commission                                  | Washington State Housing Finance Commission                                  | CUSIP: 93978TF46<br>LEI: 549300YL1HU59NREG764 | Long             | DBT              | MUN               | US        |    105000 | PA      | $105095.28    | 0.02%             | 2049-06-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Highway & Transportation Authority                               | Puerto Rico Highway & Transportation Authority                               | CUSIP: 745190E79<br>LEI: 549300J6QBXVWJXB7Y41 | Long             | DBT              | MUN               | PR        |   1025000 | PA      | $1034765.48   | 0.22%             | 2029-07-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| State of Washington                                                          | State of Washington                                                          | CUSIP: 93974EVP8<br>LEI: 549300X3TODFMUKLQ364 | Long             | DBT              | MUN               | US        |   6500000 | PA      | $7110138.10   | 1.51%             | 2046-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Texas Water Development Board                                                | Texas Water Development Board                                                | CUSIP: 882854WY4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $5212552.50   | 1.10%             | 2045-10-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| County of Miami-Dade Transit System                                          | County of Miami-Dade Transit System                                          | CUSIP: 59334PKS5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1750000 | PA      | $1882367.38   | 0.40%             | 2045-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| California Municipal Finance Authority                                       | California Municipal Finance Authority                                       | CUSIP: 13048VBY3<br>LEI: 5493000UQOV6R4ZWS346 | Long             | DBT              | MUN               | US        |   5500000 | PA      | $5563014.60   | 1.18%             | 2043-12-31      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| City & County of Denver Airport System                                       | City & County of Denver Airport System                                       | CUSIP: 249182QL3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3000000 | PA      | $3357577.50   | 0.71%             | 2035-11-15      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Metropolitan Pier & Exposition Authority                                     | Metropolitan Pier & Exposition Authority                                     | CUSIP: 592250CL6<br>LEI: 254900I3VDCQ58UGBR15 | Long             | DBT              | MUN               | US        |   4665000 | PA      | $4649578.44   | 0.98%             | 2057-06-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Virgin Islands Public Finance Authority                                      | Virgin Islands Public Finance Authority                                      | CUSIP: 927676RP3<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   3020000 | PA      | $2853124.77   | 0.60%             | 2032-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Sales Tax Securitization Corp.                                               | Sales Tax Securitization Corp.                                               | CUSIP: 79467BCL7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  11000000 | PA      | $11496065.90  | 2.43%             | 2048-01-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Sacramento City Unified School District                                      | Sacramento City Unified School District                                      | CUSIP: 785870E93<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   6000000 | PA      | $6708082.20   | 1.42%             | 2052-08-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Sales Tax Financing Corp.                                        | Puerto Rico Sales Tax Financing Corp.                                        | CUSIP: 74529JPV1<br>LEI: N/A                  | Long             | DBT              | MUN               | PR        |   2500000 | PA      | $2328326.00   | 0.49%             | 2040-07-01      | Fixed         | 4.55%                 | No            |                  2 | On Loan: No      |
| County of Broward Tourist Development Tax                                    | County of Broward Tourist Development Tax                                    | CUSIP: 115085AX0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3500000 | PA      | $3128085.45   | 0.66%             | 2051-09-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Omaha Public Power District                                                  | Omaha Public Power District                                                  | CUSIP: 682001HP0<br>LEI: 54930000VJEJ9CGIYG32 | Long             | DBT              | MUN               | US        |   2300000 | PA      | $2536445.06   | 0.54%             | 2047-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Chicago O'Hare International Airport                                         | Chicago O'Hare International Airport                                         | CUSIP: 167593MA7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $5007667.00   | 1.06%             | 2038-01-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| New Jersey Transportation Trust Fund Authority                               | New Jersey Transportation Trust Fund Authority                               | CUSIP: 6461365M9<br>LEI: 549300YUVD5TEXR6L889 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $917915.40    | 0.19%             | 2044-06-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Regents of the University of California Medical Center                       | Regents of the University of California Medical Center                       | CUSIP: 913366GF1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  23260000 | PA      | $23356298.31  | 4.95%             | 2043-05-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Intermountain Power Agency                                                   | Intermountain Power Agency                                                   | CUSIP: 45884AB85<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  10580000 | PA      | $11637753.56  | 2.46%             | 2043-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| City of Chicago                                                              | City of Chicago                                                              | CUSIP: 167486WK1<br>LEI: T5UYO5SYLC8K73MJQX30 | Long             | DBT              | MUN               | US        |   3000000 | PA      | $3045531.00   | 0.65%             | 2027-01-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Orange County Convention Center                                              | Orange County Convention Center                                              | CUSIP: 684545ZW9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  25000000 | PA      | $25478107.69  | 5.40%             | 2033-10-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Electric Power Authority                                         | Puerto Rico Electric Power Authority                                         | CUSIP: 74526QZJ4<br>LEI: 5493003BRB67HF8ST418 | Long             | DBT              | MUN               | PR        |   2830000 | PA      | $2778062.43   | 0.59%             | 2024-07-01      | Fixed         | 3.65%                 | No            |                  2 | On Loan: No      |
| Massachusetts Development Finance Agency                                     | Massachusetts Development Finance Agency                                     | CUSIP: 57583UA81<br>LEI: 549300UZSVMFXJK08K70 | Long             | DBT              | MUN               | US        |   7000000 | PA      | $7072392.59   | 1.50%             | 2044-03-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Sterling Ranch Community Authority Board                                     | Sterling Ranch Community Authority Board                                     | CUSIP: 85950NAD2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1315000 | PA      | $1341300.00   | 0.28%             | 2030-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Michigan Finance Authority                                                   | Michigan Finance Authority                                                   | CUSIP: 59447THA4<br>LEI: 54930022O46HOX5J1D14 | Long             | DBT              | MUN               | US        |  21630000 | PA      | $22388163.95  | 4.74%             | 2041-12-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| City of Sacramento Water                                                     | City of Sacramento Water                                                     | CUSIP: 786089GT3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  19500000 | PA      | $19848563.05  | 4.20%             | 2042-09-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Education                                                   | Chicago Board of Education                                                   | CUSIP: 167505QY5<br>LEI: 54930099NR6T9V7LVB43 | Long             | DBT              | MUN               | US        |   2880000 | PA      | $3060188.93   | 0.65%             | 2044-12-01      | Fixed         | 7.00%                 | No            |                  2 | On Loan: No      |
| San Francisco City & County Airport Comm-San Francisco International Airport | San Francisco City & County Airport Comm-San Francisco International Airport | CUSIP: 79766DGF0<br>LEI: 54930055TIDYHNDP4F84 | Long             | DBT              | MUN               | US        |   9500000 | PA      | $9621927.11   | 2.04%             | 2046-05-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts                                                | Commonwealth of Massachusetts                                                | CUSIP: 57582RY59<br>LEI: 5493001N1YCXNI1O7K10 | Long             | DBT              | MUN               | US        |   3500000 | PA      | $3810055.55   | 0.81%             | 2052-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| South Carolina Public Service Authority                                      | South Carolina Public Service Authority                                      | CUSIP: 837151U49<br>LEI: EMBXY64GWKA9MZGFUD26 | Long             | DBT              | MUN               | US        |   8500000 | PA      | $9335303.30   | 1.98%             | 2052-12-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| State of New Jersey                                                          | State of New Jersey                                                          | CUSIP: 646039YQ4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2900000 | PA      | $3073696.08   | 0.65%             | 2031-06-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Port Authority of New York & New Jersey                                      | Port Authority of New York & New Jersey                                      | CUSIP: 73358XFS6<br>LEI: 54930006MR4KZ4W74Z83 | Long             | DBT              | MUN               | US        |  10000000 | PA      | $10795993.00  | 2.29%             | 2052-08-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| San Diego County Regional Airport Authority                                  | San Diego County Regional Airport Authority                                  | CUSIP: 79739GNX0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2705000 | PA      | $2761751.71   | 0.58%             | 2051-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| South Carolina Public Service Authority                                      | South Carolina Public Service Authority                                      | CUSIP: 837151L72<br>LEI: EMBXY64GWKA9MZGFUD26 | Long             | DBT              | MUN               | US        |   5000000 | PA      | $4569663.50   | 0.97%             | 2052-12-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Southeastern Pennsylvania Transportation Authority                           | Southeastern Pennsylvania Transportation Authority                           | CUSIP: 842039FP9<br>LEI: 98450061A2F3FD36E493 | Long             | DBT              | MUN               | US        |   6500000 | PA      | $7218508.02   | 1.53%             | 2043-06-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Electric Power Authority                                         | Puerto Rico Electric Power Authority                                         | CUSIP: 74526QCN0<br>LEI: 5493003BRB67HF8ST418 | Long             | DBT              | MUN               | PR        |    165000 | PA      | $165662.81    | 0.04%             | 2025-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Municipal Finance Agency                                         | Puerto Rico Municipal Finance Agency                                         | CUSIP: 745277PD9<br>LEI: N/A                  | Long             | DBT              | MUN               | PR        |   2770000 | PA      | $2788536.56   | 0.59%             | 2027-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Metropolitan Washington Airports Authority Dulles Toll Road                  | Metropolitan Washington Airports Authority Dulles Toll Road                  | CUSIP: 592643BM1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2400000 | PA      | $2722274.64   | 0.58%             | 2041-10-01      | Variable      | 6.50%                 | No            |                  2 | On Loan: No      |
| State of Illinois                                                            | State of Illinois                                                            | CUSIP: 4521526L0<br>LEI: 54930048FV8RWPR02D67 | Long             | DBT              | MUN               | US        |   8380000 | PA      | $8821121.92   | 1.87%             | 2039-05-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| New York Transportation Development Corp.                                    | New York Transportation Development Corp.                                    | CUSIP: 650116AN6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  20000000 | PA      | $19172438.00  | 4.06%             | 2036-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| City of Chicago Wastewater Transmission                                      | City of Chicago Wastewater Transmission                                      | CUSIP: 167727WR3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   7120000 | PA      | $7219468.54   | 1.53%             | 2032-01-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Sweetwater Union High School District                                        | Sweetwater Union High School District                                        | CUSIP: 870462TL2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $4845128.50   | 1.03%             | 2047-08-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| San Diego County Regional Airport Authority                                  | San Diego County Regional Airport Authority                                  | CUSIP: 79739GNU6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3250000 | PA      | $3337025.90   | 0.71%             | 2046-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Education                                                   | Chicago Board of Education                                                   | CUSIP: 167505RP3<br>LEI: 54930099NR6T9V7LVB43 | Long             | DBT              | MUN               | US        |   3500000 | PA      | $3827474.00   | 0.81%             | 2042-12-01      | Fixed         | 7.00%                 | Yes           |                  2 | On Loan: No      |
| Antonio B Won Pat International Airport Authority                            | Antonio B Won Pat International Airport Authority                            | CUSIP: 40064RET2<br>LEI: N/A                  | Long             | DBT              | MUN               | GU        |    985000 | PA      | $1008267.57   | 0.21%             | 2034-10-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| Guam Government Waterworks Authority                                         | Guam Government Waterworks Authority                                         | CUSIP: 40065FBA1<br>LEI: N/A                  | Long             | DBT              | MUN               | GU        |   7000000 | PA      | $7119595.70   | 1.51%             | 2043-07-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Tobacco Settlement Financing Corp.                                           | Tobacco Settlement Financing Corp.                                           | CUSIP: 888808HQ8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    300000 | PA      | $294307.92    | 0.06%             | 2046-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| City of Georgetown Utility System                                            | City of Georgetown Utility System                                            | CUSIP: 373064Q56<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   7500000 | PA      | $8161279.73   | 1.73%             | 2052-08-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Onondaga County Trust for Cultural Resources                                 | Onondaga County Trust for Cultural Resources                                 | CUSIP: 68276FDR8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $4742664.50   | 1.00%             | 2047-12-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Great Lakes Water Authority Sewage Disposal System                           | Great Lakes Water Authority Sewage Disposal System                           | CUSIP: 39081HAU6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  24940000 | PA      | $26629333.97  | 5.64%             | 2034-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Harris County-Houston Sports Authority                                       | Harris County-Houston Sports Authority                                       | CUSIP: 413890GA6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |     50000 | PA      | $38773.59     | 0.01%             | 2028-11-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Commonwealth Financing Authority                                             | Commonwealth Financing Authority                                             | CUSIP: 20282EAS5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   2370000 | PA      | $2376677.24   | 0.50%             | 2039-06-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Allentown Neighborhood Improvement Zone Development Authority                | Allentown Neighborhood Improvement Zone Development Authority                | CUSIP: 018444BC2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $908002.50    | 0.19%             | 2042-05-01      | Fixed         | 5.00%                 | Yes           |                  2 | On Loan: No      |
| New York State Dormitory Authority                                           | New York State Dormitory Authority                                           | CUSIP: 64990FX25<br>LEI: 549300C8XO7EXTX2XU71 | Long             | DBT              | MUN               | US        |   9450000 | PA      | $10300710.05  | 2.18%             | 2041-03-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Las Vegas Convention & Visitors Authority                                    | Las Vegas Convention & Visitors Authority                                    | CUSIP: 51771FAT3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  20000000 | PA      | $20754808.00  | 4.40%             | 2043-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Harris County-Houston Sports Authority                                       | Harris County-Houston Sports Authority                                       | CUSIP: 413893CL0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    175000 | PA      | $74436.85     | 0.02%             | 2038-11-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| Matching Fund Special Purpose Securitization Corp.                           | Matching Fund Special Purpose Securitization Corp.                           | CUSIP: 57665NAE5<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   1570000 | PA      | $1619943.90   | 0.34%             | 2030-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Virgin Islands Public Finance Authority                                      | Virgin Islands Public Finance Authority                                      | CUSIP: 927676RR9<br>LEI: N/A                  | Long             | DBT              | MUN               | VI        |   2690000 | PA      | $2691408.75   | 0.57%             | 2032-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Municipal Finance Agency                                         | Puerto Rico Municipal Finance Agency                                         | CUSIP: 745277QR7<br>LEI: N/A                  | Long             | DBT              | MUN               | PR        |   1685000 | PA      | $1696275.85   | 0.36%             | 2030-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Electric Power Authority                                         | Puerto Rico Electric Power Authority                                         | CUSIP: 74526QZC9<br>LEI: 5493003BRB67HF8ST418 | Long             | DBT              | MUN               | PR        |    755000 | PA      | $749874.53    | 0.16%             | 2023-07-01      | Fixed         | 3.62%                 | No            |                  2 | On Loan: No      |
| Regents of the University of California Medical Center                       | Regents of the University of California Medical Center                       | CUSIP: 913366KS8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  10000000 | PA      | $10806444.00  | 2.29%             | 2047-05-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Copper Ridge Metropolitan District                                           | Copper Ridge Metropolitan District                                           | CUSIP: 217558AB1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3950000 | PA      | $3620997.79   | 0.77%             | 2039-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| State of Illinois                                                            | State of Illinois                                                            | CUSIP: 4521526K2<br>LEI: 54930048FV8RWPR02D67 | Long             | DBT              | MUN               | US        |   2500000 | PA      | $2729799.00   | 0.58%             | 2030-05-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| New Jersey Economic Development Authority                                    | New Jersey Economic Development Authority                                    | CUSIP: 64577XBC9<br>LEI: 5493006JS6QWDVU4R678 | Long             | DBT              | MUN               | US        |   3400000 | PA      | $3233167.44   | 0.68%             | 2039-11-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| New Jersey Economic Development Authority                                    | New Jersey Economic Development Authority                                    | CUSIP: 64578CAH4<br>LEI: 5493006JS6QWDVU4R678 | Long             | DBT              | MUN               | US        |   5000000 | PA      | $5016661.00   | 1.06%             | 2029-09-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Calexico Unified School District                                             | Calexico Unified School District                                             | CUSIP: 129577LU4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3600000 | PA      | $2690846.64   | 0.57%             | 2052-08-01      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| Children's Trust Fund                                                        | Children's Trust Fund                                                        | CUSIP: 16876QBF5<br>LEI: N/A                  | Long             | DBT              | MUN               | PR        |  12965000 | PA      | $12932626.40  | 2.74%             | 2039-05-15      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| New York State Housing Finance Agency                                        | New York State Housing Finance Agency                                        | CUSIP: 64987DS62<br>LEI: 5493000LS7KCDB02O506 | Long             | DBT              | MUN               | US        |   2375000 | PA      | $1715079.41   | 0.36%             | 2054-11-01      | Fixed         | 3.15%                 | No            |                  2 | On Loan: No      |
| City of Lubbock Electric Light & Power System                                | City of Lubbock Electric Light & Power System                                | CUSIP: 549203XP7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  10000000 | PA      | $9322256.00   | 1.97%             | 2051-04-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts School Building Authority                                      | Massachusetts School Building Authority                                      | CUSIP: 576000YW7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   7500000 | PA      | $8142545.40   | 1.72%             | 2045-08-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| County of Miami-Dade                                                         | County of Miami-Dade                                                         | CUSIP: 59334PKV8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1750000 | PA      | $1871402.23   | 0.40%             | 2048-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Highway & Transportation Authority                               | Puerto Rico Highway & Transportation Authority                               | CUSIP: 745190ZN1<br>LEI: 549300J6QBXVWJXB7Y41 | Long             | DBT              | MUN               | PR        |   3485000 | PA      | $3447100.28   | 0.73%             | 2031-07-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| County of Broward Tourist Development Tax                                    | County of Broward Tourist Development Tax                                    | CUSIP: 115085AY8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3500000 | PA      | $3144946.00   | 0.67%             | 2051-09-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| California Municipal Finance Authority                                       | California Municipal Finance Authority                                       | CUSIP: 13050RAA0<br>LEI: 5493000UQOV6R4ZWS346 | Long             | DBT              | MUN               | US        |   2305000 | PA      | $2237226.78   | 0.47%             | 2029-07-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Sales Tax Financing Corp.                                        | Puerto Rico Sales Tax Financing Corp.                                        | CUSIP: 74529JPX7<br>LEI: N/A                  | Long             | DBT              | MUN               | PR        |  22940000 | PA      | $21765717.46  | 4.61%             | 2058-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Industrial Development Authority of the City of Phoenix (The)                | Industrial Development Authority of the City of Phoenix (The)                | CUSIP: 71883YAJ7<br>LEI: 549300A62PWFBDWB8332 | Long             | DBT              | MUN               | US        |   1730000 | PA      | $1627420.34   | 0.34%             | 2036-07-01      | Fixed         | 6.25%                 | No            |                  2 | On Loan: No      |
| Pennsylvania Economic Development Financing Authority                        | Pennsylvania Economic Development Financing Authority                        | CUSIP: 70870ECC1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  14260000 | PA      | $14596419.58  | 3.09%             | 2053-07-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| City of Chicago                                                              | City of Chicago                                                              | CUSIP: 167486VQ9<br>LEI: T5UYO5SYLC8K73MJQX30 | Long             | DBT              | MUN               | US        |   2000000 | PA      | $2014346.00   | 0.43%             | 2042-01-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Metropolitan Transportation Authority                                        | Metropolitan Transportation Authority                                        | CUSIP: 59259Y3Q0<br>LEI: 5493000TKYODLXADQD60 | Long             | DBT              | MUN               | US        |  22695000 | PA      | $22316665.05  | 4.73%             | 2045-11-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Will County School District No. 114 Manhattan                                | Will County School District No. 114 Manhattan                                | CUSIP: 968838KJ0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   6000000 | PA      | $6586045.20   | 1.39%             | 2052-09-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Pennsylvania Turnpike Commission                                             | Pennsylvania Turnpike Commission                                             | CUSIP: 709224P60<br>LEI: 549300J8LLBYEYEXZJ24 | Long             | DBT              | MUN               | US        |   7470000 | PA      | $7171251.88   | 1.52%             | 2049-12-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| New Jersey Transportation Trust Fund Authority                               | New Jersey Transportation Trust Fund Authority                               | CUSIP: 6461364X6<br>LEI: 549300YUVD5TEXR6L889 | Long             | DBT              | MUN               | US        |   4595000 | PA      | $4774602.47   | 1.01%             | 2043-06-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| State of Illinois                                                            | State of Illinois                                                            | CUSIP: 452152SZ5<br>LEI: 54930048FV8RWPR02D67 | Long             | DBT              | MUN               | US        |  20000000 | PA      | $20123734.30  | 4.26%             | 2031-07-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| County of Clark                                                              | County of Clark                                                              | CUSIP: 181000TB6<br>LEI: 549300LDD8NZB2EOVG83 | Long             | DBT              | MUN               | US        |   4090000 | PA      | $3323186.35   | 0.70%             | 2042-07-01      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| New York State Dormitory Authority                                           | New York State Dormitory Authority                                           | CUSIP: 64990FK86<br>LEI: 549300C8XO7EXTX2XU71 | Long             | DBT              | MUN               | US        |   2000000 | PA      | $2018419.80   | 0.43%             | 2038-03-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| New York Liberty Development Corp.                                           | New York Liberty Development Corp.                                           | CUSIP: 649519DD4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |  10890000 | PA      | $11005324.15  | 2.33%             | 2044-11-15      | Fixed         | 7.25%                 | Yes           |                  2 | On Loan: No      |
| Public Finance Authority                                                     | Public Finance Authority                                                     | CUSIP: 74442PCR4<br>LEI: 5493004S6D3NA627K012 | Long             | DBT              | MUN               | US        |    500000 | PA      | $476856.75    | 0.10%             | 2036-06-01      | Fixed         | 5.00%                 | Yes           |                  2 | On Loan: No      |
| Chicago Board of Education                                                   | Chicago Board of Education                                                   | CUSIP: 167510AC0<br>LEI: 54930099NR6T9V7LVB43 | Long             | DBT              | MUN               | US        |   8000000 | PA      | $8422281.60   | 1.78%             | 2034-04-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| Antonio B Won Pat International Airport Authority                            | Antonio B Won Pat International Airport Authority                            | CUSIP: 40064REP0<br>LEI: N/A                  | Long             | DBT              | MUN               | GU        |   2440000 | PA      | $2497637.44   | 0.53%             | 2034-10-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| City of Chicago                                                              | City of Chicago                                                              | CUSIP: 167486ZY8<br>LEI: T5UYO5SYLC8K73MJQX30 | Long             | DBT              | MUN               | US        |   7180000 | PA      | $7465825.75   | 1.58%             | 2038-01-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Highway & Transportation Authority                               | Puerto Rico Highway & Transportation Authority                               | CUSIP: 7451902B3<br>LEI: 549300J6QBXVWJXB7Y41 | Long             | DBT              | MUN               | PR        |    960000 | PA      | $955217.76    | 0.20%             | 2032-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| City of Chicago                                                              | City of Chicago                                                              | CUSIP: 167486E39<br>LEI: T5UYO5SYLC8K73MJQX30 | Long             | DBT              | MUN               | US        |   5000000 | PA      | $5071904.00   | 1.07%             | 2049-01-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Education                                                   | Chicago Board of Education                                                   | CUSIP: 167505RM0<br>LEI: 54930099NR6T9V7LVB43 | Long             | DBT              | MUN               | US        |   4000000 | PA      | $4351484.40   | 0.92%             | 2046-12-01      | Fixed         | 7.00%                 | Yes           |                  2 | On Loan: No      |
| Commonwealth of Puerto Rico                                                  | Commonwealth of Puerto Rico                                                  | CUSIP: 74514L3K1<br>LEI: 549300X44HXPLJU48U63 | Long             | DBT              | MUN               | PR        |   8500000 | PA      | $7406390.00   | 1.57%             | 2033-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Riverhead Industrial Development Agency                                      | Riverhead Industrial Development Agency                                      | CUSIP: 76876RAL5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   3395000 | PA      | $3456489.22   | 0.73%             | 2043-08-01      | Fixed         | 7.00%                 | No            |                  2 | On Loan: No      |
| Puerto Rico Highway & Transportation Authority                               | Puerto Rico Highway & Transportation Authority                               | CUSIP: 745181N52<br>LEI: 549300J6QBXVWJXB7Y41 | Long             | DBT              | MUN               | PR        |   5575000 | PA      | $5574774.21   | 1.18%             | 2026-07-01      | Fixed         | 4.95%                 | No            |                  2 | On Loan: No      |
| Public Finance Authority                                                     | Public Finance Authority                                                     | CUSIP: 74442PMU6<br>LEI: 5493004S6D3NA627K012 | Long             | DBT              | MUN               | US        |   5750000 | PA      | $5311758.58   | 1.13%             | 2039-10-01      | Fixed         | 5.00%                 | Yes           |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2022-12-30

**Name of Applicant:** MainStay MacKay DefinedTerm Municipal Opportunities Fund

**Signature:** Jack Benintende

**Name of Signer:** Jack Benintende

**Title:** Treasurer