# EDGAR Filing Document

**Accession Number:** 0000078758
**File Stem:** 0001752724-23-035874
**Filing Date:** 2023-2
**Character Count:** 22554
**Document Hash:** caf889e18cecc407afed568858ebe142
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-035874.hdr.sgml**: 20230223

**ACCESSION NUMBER**: 0001752724-23-035874

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221230

**FILED AS OF DATE**: 20230223

**DATE AS OF CHANGE**: 20230223

**PERIOD START**: 20221231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST XI
- **CENTRAL INDEX KEY:** 0000078758
- **IRS NUMBER:** 042458787
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-01835
- **FILM NUMBER:** 23657576

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER VALUE FUND
- **DATE OF NAME CHANGE:** 20010402

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER II
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER II INC
- **DATE OF NAME CHANGE:** 19851112

## Series and Classes Contracts Data

### Pioneer Core Equity Fund (Series ID: S000010136)

| Class ID   | Class Name                        | Ticker Symbol   |
|:---|:---|:---|
| C000028137 | Pioneer Core Equity Fund: Class A | PIOTX           |
| C000028139 | Pioneer Core Equity Fund: Class C | PCOTX           |
| C000028140 | Pioneer Core Equity Fund: Class Y | PVFYX           |
| C000202493 | Pioneer Core Equity Fund: Class K | PCEKX           |
| C000203260 | Pioneer Core Equity Fund: Class R | CERPX           |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** Pioneer Series Trust XI

- **b. Investment Company Act file number:** 811-01835

- **c. CIK number of Registrant:** 0000078758

- **d. LEI of Registrant:** 549300MFK7GQBPCJ1K92

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

  - **Street Address 1:** 60 State Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02109

  - **Telephone number:** 617-422-4947

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

- **a. Name of Series:** Pioneer Core Equity Fund

- **b. EDGAR series identifier (if any):** S000010136

- **c. LEI of Series:** 549300VOT39YK4UYR118

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

- **a. Date of fiscal year-end:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-30

**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:** $1679579114.71

**Total Liabilities:** $2458206.62

**Net Assets:** $1677120908.09

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000203260 | 8.85%                | 7.03%                | -4.61%               |
| Class ID C000202493 | 8.88%                | 7.07%                | -4.49%               |
| Class ID C000028137 | 8.91%                | 7.04%                | -4.57%               |
| Class ID C000028140 | 8.89%                | 7.05%                | -4.51%               |
| Class ID C000028139 | 8.81%                | 7.01%                | -4.63%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-124682352.45           | $261930846.20                              |
| Month 2  | $23025695.95             | $91008907.70                               |
| Month 3  | $8659329.15              | $-90237957.85                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Darden Restaurants Inc             | Darden Restaurants Inc               | CUSIP: 237194105<br>LEI: CY1NFSCCB5GUXC7WZC70 | Long             | EC               | CORP              | US        |    187518 | NS      | $25939364.94  | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp                     | Microsoft Corp                       | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |    219935 | NS      | $52744811.70  | 3.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Eaton Corp PLC                     | Eaton Corp PLC                       | CUSIP: 000000000<br>LEI: 549300VDIGTMXUNT7H71 | Long             | EC               | CORP              | US        |    145756 | NS      | $22876404.20  | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Cisco Systems Inc                  | Cisco Systems Inc                    | CUSIP: 17275R102<br>LEI: 549300LKFJ962MZ46593 | Long             | EC               | CORP              | US        |    937833 | NS      | $44678364.12  | 2.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Intercontinental Exchange Inc      | Intercontinental Exchange Inc        | CUSIP: 45866F104<br>LEI: 5493000F4ZO33MV32P92 | Long             | EC               | CORP              | US        |    419054 | NS      | $42990749.86  | 2.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Las Vegas Sands Corp               | Las Vegas Sands Corp                 | CUSIP: 517834107<br>LEI: 549300DUOO1KXOHPM605 | Long             | EC               | CORP              | US        |    479629 | NS      | $23055766.03  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Stanley Black & Decker Inc         | Stanley Black & Decker Inc           | CUSIP: 854502101<br>LEI: 549300DJ09SMTO561131 | Long             | EC               | CORP              | US        |    172927 | NS      | $12990276.24  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Ross Stores Inc                    | Ross Stores Inc                      | CUSIP: 778296103<br>LEI: 549300ENZFLPGRDFZQ60 | Long             | EC               | CORP              | US        |    195501 | NS      | $22691801.07  | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| IBM                                | International Business Machines Corp | CUSIP: 459200101<br>LEI: VGRQXHF3J8VDLUA7XE92 | Long             | EC               | CORP              | US        |    382283 | NS      | $53859851.87  | 3.21%             |  |  |  | No            |                  1 | On Loan: No      |
| National Instruments Corp          | National Instruments Corp            | CUSIP: 636518102<br>LEI: 549300TP4OOPCYWDUP86 | Long             | EC               | CORP              | US        |    796341 | NS      | $29384982.90  | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Outfront Media Inc                 | Outfront Media Inc                   | CUSIP: 69007J106<br>LEI: 549300RZWDYU5722I639 | Long             | EC               | CORP              | US        |    767151 | NS      | $12719363.58  | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Baker Hughes Co                    | Baker Hughes Co                      | CUSIP: 05722G100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |   1198112 | NS      | $35380247.36  | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp                | American Tower Corp                  | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |    107112 | NS      | $22692748.32  | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| IQVIA Holdings Inc                 | IQVIA Holdings Inc                   | CUSIP: 46266C105<br>LEI: 549300W3R20NM4KQPH86 | Long             | EC               | CORP              | US        |    149697 | NS      | $30671418.33  | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuit Inc                         | Intuit Inc                           | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |     29036 | NS      | $11301391.92  | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Meta Platforms Inc                 | Meta Platforms Inc                   | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |    246536 | NS      | $29668142.24  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Cigna Corp                         | Cigna Corp                           | CUSIP: 125523100<br>LEI: 549300VIWYMSIGT1U456 | Long             | EC               | CORP              | US        |    140050 | NS      | $46404167.00  | 2.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Salesforce Inc                     | Salesforce Inc                       | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |    187165 | NS      | $24816207.35  | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The                    | TJX Cos Inc/The                      | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    310391 | NS      | $24707123.60  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Alnylam Pharmaceuticals Inc        | Alnylam Pharmaceuticals Inc          | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |     69366 | NS      | $16484829.90  | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Home Depot Inc/The                 | Home Depot Inc/The                   | CUSIP: 437076102<br>LEI: QEKMOTMBBKA8I816DO57 | Long             | EC               | CORP              | US        |    108197 | NS      | $34175104.42  | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The            | Charles Schwab Corp/The              | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |    485198 | NS      | $40397585.48  | 2.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Walt Disney Co/The                 | Walt Disney Co/The                   | CUSIP: 254687106<br>LEI: 549300GZKULIZ0WOW665 | Long             | EC               | CORP              | US        |    363984 | NS      | $31622929.92  | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Regions Financial Corp             | Regions Financial Corp               | CUSIP: 7591EP100<br>LEI: CW05CS5KW59QTC0DG824 | Long             | EC               | CORP              | US        |    802027 | NS      | $17291702.12  | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                       | Danaher Corp                         | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |    153533 | NS      | $40750728.86  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Air Products and Chemicals Inc     | Air Products and Chemicals Inc       | CUSIP: 009158106<br>LEI: 7QEON6Y1RL5XR3R1W237 | Long             | EC               | CORP              | US        |     72193 | NS      | $22254214.18  | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Wells Fargo & Co                   | Wells Fargo & Co                     | CUSIP: 949746101<br>LEI: PBLD0EJDB5FWOLXP3B76 | Long             | EC               | CORP              | US        |   1466845 | NS      | $60566030.05  | 3.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Hewlett Packard Enterprise Co      | Hewlett Packard Enterprise Co        | CUSIP: 42824C109<br>LEI: 549300BX44RGX6ANDV88 | Long             | EC               | CORP              | US        |   3106786 | NS      | $49584304.56  | 2.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Alcoa Corp                         | Alcoa Corp                           | CUSIP: 013872106<br>LEI: 549300T12EZ1F6PWWU29 | Long             | EC               | CORP              | US        |    337820 | NS      | $15360675.40  | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Deere & Co                         | Deere & Co                           | CUSIP: 244199105<br>LEI: PWFTNG3EI0Y73OXWDH08 | Long             | EC               | CORP              | US        |     56872 | NS      | $24384438.72  | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Target Corp                        | Target Corp                          | CUSIP: 87612E106<br>LEI: 8WDDFXB5T1Z6J0XC1L66 | Long             | EC               | CORP              | US        |    231165 | NS      | $34452831.60  | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Micro Devices Inc         | Advanced Micro Devices Inc           | CUSIP: 007903107<br>LEI: R2I72C950HOYXII45366 | Long             | EC               | CORP              | US        |    390571 | NS      | $25297283.67  | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Shell PLC                          | Shell PLC                            | CUSIP: 780259305<br>LEI: 21380068P1DRHMJ8KU70 | Long             | EC               | CORP              | GB        |    616990 | NS      | $35137580.50  | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc              | Micron Technology Inc                | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |    733966 | NS      | $36683620.68  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Dreyfus Government Cash Management | Dreyfus Government Cash Management   | CUSIP: 262006208<br>LEI: 5493000Q69I5Q3QZIA91 | Long             | STIV             | RF                | US        |  56501948 | NS      | $56501947.68  | 3.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Raytheon Technologies Corp         | Raytheon Technologies Corp           | CUSIP: 75513E101<br>LEI: I07WOS4YJ0N7YRFE7309 | Long             | EC               | CORP              | US        |    267245 | NS      | $26970365.40  | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                           | Visa Inc                             | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |    285501 | NS      | $59315687.76  | 3.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Comcast Corp                       | Comcast Corp                         | CUSIP: 20030N101<br>LEI: 51M0QTTNCGUN7KFCFZ59 | Long             | EC               | CORP              | US        |   1248763 | NS      | $43669242.11  | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical Inc             | Intuitive Surgical Inc               | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |     99888 | NS      | $26505280.80  | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Truist Financial Corp              | Truist Financial Corp                | CUSIP: 89832Q109<br>LEI: 549300DRQQI75D2JP341 | Long             | EC               | CORP              | US        |    599598 | NS      | $25800701.94  | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Warner Bros Discovery Inc          | Warner Bros Discovery Inc            | CUSIP: 934423104<br>LEI: 5493006ZCRFWKF6B1K26 | Long             | EC               | CORP              | US        |    966357 | NS      | $9161064.36   | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Estee Lauder Cos Inc/The           | Estee Lauder Cos Inc/The             | CUSIP: 518439104<br>LEI: 549300VFZ8XJ9NUPU221 | Long             | EC               | CORP              | US        |    146917 | NS      | $36451576.87  | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Cardinal Health Inc                | Cardinal Health Inc                  | CUSIP: 14149Y108<br>LEI: CCU46N3GJMF4OK4N7U60 | Long             | EC               | CORP              | US        |    503469 | NS      | $38701662.03  | 2.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Cognizant Technology Solutions     | Cognizant Technology Solutions Corp  | CUSIP: 192446102<br>LEI: 5493006IEVQEFQO40L83 | Long             | EC               | CORP              | US        |    402012 | NS      | $22991066.28  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Motorola Solutions Inc             | Motorola Solutions Inc               | CUSIP: 620076307<br>LEI: 6S552MUG6KGJVEBSEC55 | Long             | EC               | CORP              | US        |     73017 | NS      | $18817211.07  | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp             | Boston Scientific Corp               | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    797551 | NS      | $36902684.77  | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| FedEx Corp                         | FedEx Corp                           | CUSIP: 31428X106<br>LEI: 549300E707U7WNPZN687 | Long             | EC               | CORP              | US        |     97186 | NS      | $16832615.20  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Organon & Co                       | Organon & Co                         | CUSIP: 68622V106<br>LEI: 549300AMCKY57OK2CO56 | Long             | EC               | CORP              | US        |    668431 | NS      | $18669277.83  | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| CDW Corp/DE                        | CDW Corp/DE                          | CUSIP: 12514G108<br>LEI: 9845001B052ABF0B6755 | Long             | EC               | CORP              | US        |    120864 | NS      | $21583893.12  | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Ralph Lauren Corp                  | Ralph Lauren Corp                    | CUSIP: 751212101<br>LEI: HO1QNWM0IXBZ0QSMMO20 | Long             | EC               | CORP              | US        |     78472 | NS      | $8292136.24   | 0.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Pfizer Inc                         | Pfizer Inc                           | CUSIP: 717081103<br>LEI: 765LHXWGK1KXCLTFYQ30 | Long             | EC               | CORP              | US        |    989127 | NS      | $50682867.48  | 3.02%             |  |  |  | No            |                  1 | On Loan: No      |
| EQT Corp                           | EQT Corp                             | CUSIP: 26884L109<br>LEI: 4NT01YGM4X7ZX86ISY52 | Long             | EC               | CORP              | US        |    600571 | NS      | $20317316.93  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Norfolk Southern Corp              | Norfolk Southern Corp                | CUSIP: 655844108<br>LEI: 54930036C8MWP850MI84 | Long             | EC               | CORP              | US        |    102765 | NS      | $25323351.30  | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| AerCap Holdings NV                 | AerCap Holdings NV                   | CUSIP: 000000000<br>LEI: 549300SZYINBBLJQU475 | Long             | EC               | CORP              | IE        |    303355 | NS      | $17691663.60  | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of New York Mellon Corp/T     | Bank of New York Mellon Corp/The     | CUSIP: 064058100<br>LEI: WFLLPEPC7FZXENRZV188 | Long             | EC               | CORP              | US        |    615343 | NS      | $28010413.36  | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| MKS Instruments Inc                | MKS Instruments Inc                  | CUSIP: 55306N104<br>LEI: 549300KEQATBHAGVF505 | Long             | EC               | CORP              | US        |    168151 | NS      | $14247434.23  | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-02-22

**Name of Applicant:** Pioneer Series Trust XI

**Signature:** Anthony J. Koenig, Jr

**Name of Signer:** Anthony J. Koenig, Jr

**Title:** Managing Director, Chief Operations Officer & Treasurer of the Funds