# EDGAR Filing Document

**Accession Number:** 0000812195
**File Stem:** 0001145549-23-014889
**Filing Date:** 2023-3
**Character Count:** 34164
**Document Hash:** eff0c7db9deb2a23e463ca170176eddd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-23-014889.hdr.sgml**: 20230306

**ACCESSION NUMBER**: 0001145549-23-014889

**CONFORMED SUBMISSION TYPE**: N-MFP2/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230131

**FILED AS OF DATE**: 20230306

**DATE AS OF CHANGE**: 20230306

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER MONEY MARKET TRUST
- **CENTRAL INDEX KEY:** 0000812195
- **IRS NUMBER:** 046569772
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** N-MFP2/A
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05099
- **FILM NUMBER:** 23707773

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

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

## Series and Classes Contracts Data

### Pioneer U.S. Government Money Market Fund (Series ID: S000009919)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000027432 | Pioneer U.S. Government Money Market Fund: Class A | PMTXX           |
| C000027435 | Pioneer U.S. Government Money Market Fund: Class Y | PRYXX           |
| C000027436 | Pioneer Cash Reserves Fund: Class R                | PCHXX           |

# Form N-MFP: Monthly Schedule of Portfolio Holdings

## N-MFP: Filer Information

**Submission Type:** N-MFP2/A

**Live/Test Flag:** —

**Is Electronic Copy of Paper Format:** —

**CIK:** —

### General Information

**Report for (YYYY-MM-DD):** 2023-01-31

**EDGAR Series Identifier:** S000009919

**Total number of share classes in the series:** —

**Is this the fund's final filing on Form N-MFP?:** —

**Is Fund Liquidating?:** —

**Is Fund Merging/Being Acquired?:** —

**Has the fund acquired or merged with another fund during the reporting period?:** —

## Part A: Series-Level Information about the Fund

### Service Providers
| Item   | Role                          | Details                                                      | File/CIK Number   |
|:---|:---|:---|:---|
| A.5    | Administrator                 | Amundi Asset Management US, Inc.                             |  |
| A.4    | Independent Public Accountant | Ernst & Young LLP<br>City: Boston<br>State: MA               |  |
| A.6    | Transfer Agent                | BNY Mellon Investment Servicing (US) Inc.<br>CIK: 0000849542 | 084-01761         |

### Fund Characteristics & Assets

- **A.1 - Securities Act File Number:** 033-13179

- **A.7 - Is this a Feeder Fund?:** No

- **A.8 - Is this a Master Fund?:** No

- **A.9 - Is this series primarily used to fund insurance company separate accounts?:** No

- **A.10 - Money Market Fund Category:** Exempt Government

- **A.11 - WAM:** 15 days

- **A.12 - WAL:** 82 days

- **Total Value of Portfolio Securities:** $322730323.00

- **Amortized Cost of Portfolio Securities:** $322795030.65

- **Cash:** $213055.57

- **Total Other Assets:** $475244.67

- **Total Liabilities:** $1462798.09

- **Net Assets of Series:** $322020532.80

- **Number of Shares Outstanding (Series):** 322117624.98

- **Stable Price Per Share:** $1.00

- **7-Day Gross Yield:** 4.3900%

### Weekly Liquid Assets
| Period         | Daily Liquid Assets ($)   | Weekly Liquid Assets ($)   | Daily Liquid Assets (%)   | Weekly Liquid Assets (%)   |
|:---|:---|:---|:---|:---|
| Friday, Week 1 |  | $305087667.27              |  | 92.0200%                   |
| Friday, Week 2 |  | $305577898.22              |  | 91.0000%                   |
| Friday, Week 3 |  | $292822422.13              |  | 87.8000%                   |
| Friday, Week 4 |  | $282858219.30              |  | 86.6700%                   |
| Friday, Week 5 |  | $0.00                      |  | 0.0000%                    |

## Part B: Class-Level Information about the Fund

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $1000.00

- **B.3 - Net Assets of Class:** $256315713.01

- **B.4 - Shares Outstanding:** 256402125.09

- **B.7.7 - 7-Day Net Yield:** 3.7800%

- **Person Paying for Fund Expenses?:** Yes

- **Expense Reimbursement/Waiver Description:** Amundi Distributor US, Inc., Routine waiver (12b-1 Fees), 31,744.65

**Weekly Flows:**

| Period   | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| Week 1   | $3451522.35               | $1488336.56             |
| Week 2   | $6570497.16               | $2340205.58             |
| Week 3   | $2539212.43               | $4888816.04             |
| Week 4   | $2421529.42               | $14438902.08            |

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $16112329.34

- **Gross Redemptions for month:** $24544484.27

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $5000000.00

- **B.3 - Net Assets of Class:** $63803728.52

- **B.4 - Shares Outstanding:** 63814405.46

- **B.7.7 - 7-Day Net Yield:** 3.8400%

- **Person Paying for Fund Expenses?:** No

**Weekly Flows:**

| Period   | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| Week 1   | $118281.93                | $11240.19               |
| Week 2   | $489.64                   | $326301.07              |
| Week 3   | $31911.31                 | $2470.05                |
| Week 4   | $2955420.00               | $1003126.62             |

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $3177022.64

- **Gross Redemptions for month:** $1473137.93

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $50000.00

- **B.3 - Net Assets of Class:** $1901091.27

- **B.4 - Shares Outstanding:** 1901094.43

- **B.7.7 - 7-Day Net Yield:** 3.2900%

- **Person Paying for Fund Expenses?:** No

**Weekly Flows:**

| Period   | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| Week 1   | $101758.10                | $775.10                 |
| Week 2   | $617.00                   | $14424.11               |
| Week 3   | $11980.92                 | $350.00                 |
| Week 4   | $27025.81                 | $91177.59               |

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $141446.83

- **Gross Redemptions for month:** $106726.80

## Part C: Schedule of Portfolio Securities

### Security 1: FEDERAL HOME LOAN BANKS

- **C.1 - Title:** FEDERAL HOME LOAN BANKS 4.370000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3130ATCX3, C.4 - ISIN: US3130ATCX35, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $1999683.94
- **C.18.a - Value (excl. sponsor support):** $1999683.94
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.6200%
- **C.17 - Yield as of Reporting Date:** 4.4100%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-12-14
- **C.13 - Final Legal Maturity Date:** 2023-12-14
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 2: FEDERAL HOME LOAN BANKS

- **C.1 - Title:** FEDERAL HOME LOAN BANKS 4.375000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3130ATQ67, C.4 - ISIN: US3130ATQ672, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $4998530.80
- **C.18.a - Value (excl. sponsor support):** $4998530.80
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 1.5500%
- **C.17 - Yield as of Reporting Date:** 4.4700%
- **C.11 - Maturity Date (WAM):** 2023-04-27
- **C.12 - Maturity Date (WAL):** 2023-04-27
- **C.13 - Final Legal Maturity Date:** 2023-04-27
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 3: FEDERAL HOME LOAN BANKS

- **C.1 - Title:** FEDERAL HOME LOAN BANKS 4.345000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3130ATT23, C.4 - ISIN: US3130ATT239, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $2000003.50
- **C.18.a - Value (excl. sponsor support):** $2000003.50
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.6200%
- **C.17 - Yield as of Reporting Date:** 4.3500%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-03-06
- **C.13 - Final Legal Maturity Date:** 2023-03-06
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 4: FEDERAL HOME LOAN BANKS

- **C.1 - Title:** FEDERAL HOME LOAN BANKS 4.310000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3130AUDS0, C.4 - ISIN: US3130AUDS04, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $2999883.63
- **C.18.a - Value (excl. sponsor support):** $2999883.63
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.9300%
- **C.17 - Yield as of Reporting Date:** 4.3100%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-03-23
- **C.13 - Final Legal Maturity Date:** 2023-03-23
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 5: FEDERAL HOME LOAN BANK DISCOUNT NOTES

- **C.1 - Title:** FEDERAL HOME LOAN BANK DISCOUNT NOTES
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 313384BS7, C.4 - ISIN: US313384BS75, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $1198624.58
- **C.18.a - Value (excl. sponsor support):** $1198624.58
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.3700%
- **C.17 - Yield as of Reporting Date:** 4.5900%
- **C.11 - Maturity Date (WAM):** 2023-02-10
- **C.12 - Maturity Date (WAL):** 2023-02-10
- **C.13 - Final Legal Maturity Date:** 2023-02-10
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 6: FEDERAL HOME LOAN BANK DISCOUNT NOTES

- **C.1 - Title:** FEDERAL HOME LOAN BANK DISCOUNT NOTES
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 313384CP2, C.4 - ISIN: US313384CP28, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $5976676.02
- **C.18.a - Value (excl. sponsor support):** $5976676.02
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 1.8600%
- **C.17 - Yield as of Reporting Date:** 4.6800%
- **C.11 - Maturity Date (WAM):** 2023-03-03
- **C.12 - Maturity Date (WAL):** 2023-03-03
- **C.13 - Final Legal Maturity Date:** 2023-03-03
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 7: FEDERAL HOME LOAN BANK DISCOUNT NOTES

- **C.1 - Title:** FEDERAL HOME LOAN BANK DISCOUNT NOTES
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 313384DY2, C.4 - ISIN: US313384DY26, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $5951092.86
- **C.18.a - Value (excl. sponsor support):** $5951092.86
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 1.8500%
- **C.17 - Yield as of Reporting Date:** 4.7900%
- **C.11 - Maturity Date (WAM):** 2023-04-05
- **C.12 - Maturity Date (WAL):** 2023-04-05
- **C.13 - Final Legal Maturity Date:** 2023-04-05
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 8: FEDERAL HOME LOAN BANK DISCOUNT NOTES

- **C.1 - Title:** FEDERAL HOME LOAN BANK DISCOUNT NOTES
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 313384EV7, C.4 - ISIN: US313384EV77, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $8518530.00
- **C.18.a - Value (excl. sponsor support):** $8518530.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 2.6500%
- **C.17 - Yield as of Reporting Date:** 4.7900%
- **C.11 - Maturity Date (WAM):** 2023-04-26
- **C.12 - Maturity Date (WAL):** 2023-04-26
- **C.13 - Final Legal Maturity Date:** 2023-04-26
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 9: FEDERAL FARM CREDIT BANKS FUNDING CORP

- **C.1 - Title:** FEDERAL FARM CREDIT BANKS FUNDING CORP 1.450000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3133ELNW0, C.4 - ISIN: US3133ELNW00, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $1497387.81
- **C.18.a - Value (excl. sponsor support):** $1497387.81
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.4600%
- **C.17 - Yield as of Reporting Date:** 4.5600%
- **C.11 - Maturity Date (WAM):** 2023-02-21
- **C.12 - Maturity Date (WAL):** 2023-02-21
- **C.13 - Final Legal Maturity Date:** 2023-02-21
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 10: FEDERAL FARM CREDIT BANKS FUNDING CORP

- **C.1 - Title:** FEDERAL FARM CREDIT BANKS FUNDING CORP 4.680000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3133ELYS7, C.4 - ISIN: US3133ELYS78, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $1501225.80
- **C.18.a - Value (excl. sponsor support):** $1501225.80
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.4700%
- **C.17 - Yield as of Reporting Date:** 4.4000%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-05-08
- **C.13 - Final Legal Maturity Date:** 2023-05-08
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 11: FEDERAL FARM CREDIT BANKS FUNDING CORP

- **C.1 - Title:** FEDERAL FARM CREDIT BANKS FUNDING CORP 4.420000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3133EMNE8, C.4 - ISIN: US3133EMNE84, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $3499958.25
- **C.18.a - Value (excl. sponsor support):** $3499958.25
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 1.0900%
- **C.17 - Yield as of Reporting Date:** 4.4400%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2024-01-22
- **C.13 - Final Legal Maturity Date:** 2024-01-22
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 12: FEDERAL FARM CREDIT BANKS FUNDING CORP

- **C.1 - Title:** FEDERAL FARM CREDIT BANKS FUNDING CORP 4.350000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3133ENEK2, C.4 - ISIN: US3133ENEK29, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $930031.95
- **C.18.a - Value (excl. sponsor support):** $930031.95
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.2900%
- **C.17 - Yield as of Reporting Date:** 4.3600%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-08-22
- **C.13 - Final Legal Maturity Date:** 2023-08-22
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 13: FEDERAL FARM CREDIT BANKS FUNDING CORP

- **C.1 - Title:** FEDERAL FARM CREDIT BANKS FUNDING CORP 4.340000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3133ENTR1, C.4 - ISIN: US3133ENTR17, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $1199157.53
- **C.18.a - Value (excl. sponsor support):** $1199157.53
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.3700%
- **C.17 - Yield as of Reporting Date:** 4.4400%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2024-01-04
- **C.13 - Final Legal Maturity Date:** 2024-01-04
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 14: FEDERAL HOME LOAN MORTGAGE CORP

- **C.1 - Title:** FEDERAL HOME LOAN MORTGAGE CORP 0.375000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3137EAEQ8, C.4 - ISIN: US3137EAEQ81, C.3 - LEI: S6XOOCT0IEG5ABCC6L87, CIK: 0001026214
- **C.18 - Value (incl. sponsor support):** $4085431.97
- **C.18.a - Value (excl. sponsor support):** $4085431.97
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 1.2700%
- **C.17 - Yield as of Reporting Date:** 4.8500%
- **C.11 - Maturity Date (WAM):** 2023-04-20
- **C.12 - Maturity Date (WAL):** 2023-04-20
- **C.13 - Final Legal Maturity Date:** 2023-04-20
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 15: FEDERAL HOME LOAN MORTGAGE CORP

- **C.1 - Title:** FEDERAL HOME LOAN MORTGAGE CORP 0.375000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3137EAER6, C.4 - ISIN: US3137EAER64, C.3 - LEI: S6XOOCT0IEG5ABCC6L87, CIK: 0001026214
- **C.18 - Value (incl. sponsor support):** $11491436.24
- **C.18.a - Value (excl. sponsor support):** $11491436.24
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 3.5700%
- **C.17 - Yield as of Reporting Date:** 4.7800%
- **C.11 - Maturity Date (WAM):** 2023-05-05
- **C.12 - Maturity Date (WAL):** 2023-05-05
- **C.13 - Final Legal Maturity Date:** 2023-05-05
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 16: FEDERAL HOME LOAN MORTGAGE CORP

- **C.1 - Title:** FEDERAL HOME LOAN MORTGAGE CORP 0.250000%
- **C.6 - Investment Category:** U.S. Government Agency Debt
- **Identifiers:** C.3 - CUSIP: 3137EAES4, C.4 - ISIN: US3137EAES48, C.3 - LEI: S6XOOCT0IEG5ABCC6L87, CIK: 0001026214
- **C.18 - Value (incl. sponsor support):** $888568.31
- **C.18.a - Value (excl. sponsor support):** $888568.31
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 0.2800%
- **C.17 - Yield as of Reporting Date:** 4.8400%
- **C.11 - Maturity Date (WAM):** 2023-06-26
- **C.12 - Maturity Date (WAL):** 2023-06-26
- **C.13 - Final Legal Maturity Date:** 2023-06-26
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 17: BANK OF AMERICA

- **C.1 - Title:** TRI-PARTY BANK OF AMERICA 4.300000%
- **C.6 - Investment Category:** U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash
- **Identifiers:** C.3 - LEI: B1V7KEBTPIMZEU4LTD58, C.5 - Other ID: 588BOFAGB2U20230
- **C.18 - Value (incl. sponsor support):** $31900000.00
- **C.18.a - Value (excl. sponsor support):** $31900000.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 9.9100%
- **C.17 - Yield as of Reporting Date:** 4.3000%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-02-01
- **C.13 - Final Legal Maturity Date:** 2023-02-01
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 18: SCOTIA CAPITAL INC

- **C.1 - Title:** TRI-PARTY SCOTIA CAPITAL INC 4.280000%
- **C.6 - Investment Category:** U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash
- **Identifiers:** C.3 - LEI: S6XOOCT0IEG5ABCC6L87, C.5 - Other ID: 588NOSCUS3320230
- **C.18 - Value (incl. sponsor support):** $31900000.00
- **C.18.a - Value (excl. sponsor support):** $31900000.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 9.9100%
- **C.17 - Yield as of Reporting Date:** 4.2800%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-02-01
- **C.13 - Final Legal Maturity Date:** 2023-02-01
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 19: RBC DOMINION SECURITIES INC

- **C.1 - Title:** TRI-PARTY RBC DOMINION SECURITIES INC 4.290000%
- **C.6 - Investment Category:** U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash
- **Identifiers:** C.3 - LEI: 254900HROIFWPRGM1V77, C.5 - Other ID: 588RBCDGB2120230
- **C.18 - Value (incl. sponsor support):** $31900000.00
- **C.18.a - Value (excl. sponsor support):** $31900000.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 9.9100%
- **C.17 - Yield as of Reporting Date:** 4.2900%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-02-01
- **C.13 - Final Legal Maturity Date:** 2023-02-01
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 20: TORONTO DOMINION BANK

- **C.1 - Title:** TRI-PARTY TORONTO DOMINION BANK 4.280000%
- **C.6 - Investment Category:** U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash
- **Identifiers:** C.3 - LEI: 254900HROIFWPRGM1V77, CIK: 0000947263, C.5 - Other ID: 588TDOMUS3320222
- **C.18 - Value (incl. sponsor support):** $15950000.00
- **C.18.a - Value (excl. sponsor support):** $15950000.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 4.9500%
- **C.17 - Yield as of Reporting Date:** 4.2800%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-02-01
- **C.13 - Final Legal Maturity Date:** 2023-02-01
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 21: TORONTO DOMINION BANK

- **C.1 - Title:** TRI-PARTY TORONTO DOMINION BANK 4.300000%
- **C.6 - Investment Category:** U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash
- **Identifiers:** C.3 - LEI: 549300M8ZYFG0OCMTT87, CIK: 0000947263, C.5 - Other ID: 588TDOMUS3320230
- **C.18 - Value (incl. sponsor support):** $15950000.00
- **C.18.a - Value (excl. sponsor support):** $15950000.00
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 4.9500%
- **C.17 - Yield as of Reporting Date:** 4.3000%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-02-01
- **C.13 - Final Legal Maturity Date:** 2023-02-01
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 22: UNITED STATES TREASURY BILL

- **C.1 - Title:** UNITED STATES TREASURY BILL
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912796Y60, C.4 - ISIN: US912796Y601, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $8977906.26
- **C.18.a - Value (excl. sponsor support):** $8977906.26
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 2.7900%
- **C.17 - Yield as of Reporting Date:** 4.4900%
- **C.11 - Maturity Date (WAM):** 2023-02-21
- **C.12 - Maturity Date (WAL):** 2023-02-21
- **C.13 - Final Legal Maturity Date:** 2023-02-21
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 23: UNITED STATES TREASURY BILL

- **C.1 - Title:** UNITED STATES TREASURY BILL
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912796Y86, C.4 - ISIN: US912796Y866, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $14936123.85
- **C.18.a - Value (excl. sponsor support):** $14936123.85
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 4.6400%
- **C.17 - Yield as of Reporting Date:** 4.5900%
- **C.11 - Maturity Date (WAM):** 2023-03-07
- **C.12 - Maturity Date (WAL):** 2023-03-07
- **C.13 - Final Legal Maturity Date:** 2023-03-07
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 24: UNITED STATES TREASURY BILL

- **C.1 - Title:** UNITED STATES TREASURY BILL
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912796YA1, C.4 - ISIN: US912796YA12, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $7985674.96
- **C.18.a - Value (excl. sponsor support):** $7985674.96
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 2.4800%
- **C.17 - Yield as of Reporting Date:** 4.3700%
- **C.11 - Maturity Date (WAM):** 2023-02-16
- **C.12 - Maturity Date (WAL):** 2023-02-16
- **C.13 - Final Legal Maturity Date:** 2023-02-16
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 25: UNITED STATES TREASURY BILL

- **C.1 - Title:** UNITED STATES TREASURY BILL
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912796YK9, C.4 - ISIN: US912796YK93, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $6968727.50
- **C.18.a - Value (excl. sponsor support):** $6968727.50
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 2.1600%
- **C.17 - Yield as of Reporting Date:** 4.5500%
- **C.11 - Maturity Date (WAM):** 2023-03-09
- **C.12 - Maturity Date (WAL):** 2023-03-09
- **C.13 - Final Legal Maturity Date:** 2023-03-09
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 26: UNITED STATES TREASURY FLOATING RATE NOTE

- **C.1 - Title:** UNITED STATES TREASURY FLOATING RATE NOTE 4.663000%
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 91282CBY6, C.4 - ISIN: US91282CBY66, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $33017767.20
- **C.18.a - Value (excl. sponsor support):** $33017767.20
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 10.2500%
- **C.17 - Yield as of Reporting Date:** 4.4600%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-05-01
- **C.13 - Final Legal Maturity Date:** 2023-04-30
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 27: UNITED STATES TREASURY FLOATING RATE NOTE

- **C.1 - Title:** UNITED STATES TREASURY FLOATING RATE NOTE 4.657527%
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 91282CCQ2, C.4 - ISIN: US91282CCQ24, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $28003827.60
- **C.18.a - Value (excl. sponsor support):** $28003827.60
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 8.7000%
- **C.17 - Yield as of Reporting Date:** 4.6500%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-07-31
- **C.13 - Final Legal Maturity Date:** 2023-07-31
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 28: UNITED STATES TREASURY FLOATING RATE NOTE

- **C.1 - Title:** UNITED STATES TREASURY FLOATING RATE NOTE 4.664000%
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 91282CDE8, C.4 - ISIN: US91282CDE84, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $26504670.63
- **C.18.a - Value (excl. sponsor support):** $26504670.63
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 8.2300%
- **C.17 - Yield as of Reporting Date:** 4.6600%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2023-10-31
- **C.13 - Final Legal Maturity Date:** 2023-10-31
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 29: UNITED STATES TREASURY FLOATING RATE NOTE

- **C.1 - Title:** UNITED STATES TREASURY FLOATING RATE NOTE 4.613527%
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 91282CDU2, C.4 - ISIN: US91282CDU27, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $9999401.80
- **C.18.a - Value (excl. sponsor support):** $9999401.80
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 3.1100%
- **C.17 - Yield as of Reporting Date:** 4.6400%
- **C.11 - Maturity Date (WAM):** 2023-02-01
- **C.12 - Maturity Date (WAL):** 2024-01-31
- **C.13 - Final Legal Maturity Date:** 2024-01-31
- **Characteristics:** C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

## N-MFP: Signatures

**Registrant:** PIONEER MONEY MARKET TRUST

**Date:** 2023-02-07

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

**Name of Signing Officer:** Anthony J. Koenig, Jr.

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