# EDGAR Filing Document

**Accession Number:** 0000893818
**File Stem:** 0001145549-25-038787
**Filing Date:** 2025-6
**Character Count:** 13804
**Document Hash:** 79c2d8bd96f2fb8243c304a9cfc542dd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-038787.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0001145549-25-038787

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250531

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BlackRock Funds III
- **CENTRAL INDEX KEY:** 0000893818

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** N-MFP3
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-07332
- **FILM NUMBER:** 251029276

**BUSINESS ADDRESS:**
- **STREET 1:** 400 HOWARD STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105
- **BUSINESS PHONE:** 8006439691

**MAIL ADDRESS:**
- **STREET 1:** 400 HOWARD STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BARCLAYS GLOBAL INVESTORS FUNDS
- **DATE OF NAME CHANGE:** 20060201

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BARCLAYS GLOBAL INVESTORS FUNDS INC
- **DATE OF NAME CHANGE:** 19990804

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MASTERWORKS FUNDS INC
- **DATE OF NAME CHANGE:** 19960607

## Series and Classes Contracts Data

### BlackRock Cash Funds: Institutional (Series ID: S000004275)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000074119 | SL Agency Shares |  |

# Form N-MFP3: Monthly Schedule of Portfolio Holdings

## N-MFP: Filer Information
**Submission Type:** N-MFP3
**CIK:** 0000893818

### General Information

**Report for (YYYY-MM-DD):** 2025-05-31

**Registrant Full Name:** BlackRock Funds III

**CIK Number of Registrant:** 0000893818

**LEI of Registrant:** 5493008LW2651I1QB503

**Name of Series:** BlackRock Cash Funds: Institutional

**LEI of Series:** 549300JDHS1T46VWOG19

**EDGAR Series Identifier:** S000004275

**Total number of share classes in the series:** 1

**Is this the fund's final filing on Form N-MFP?:** No

**Has the fund acquired or merged with another fund?:** No

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

### Service Providers
| Role                          | Details                                                   | File/CIK Number   |
|:---|:---|:---|
| Investment Adviser            | BlackRock Fund Advisors                                   | 801-22609         |
| Independent Public Accountant | PricewaterhouseCoopers<br>City: Philadelphia<br>State: PA |  |
| Administrator                 | BlackRock Advisors, LLC                                   |  |
| Transfer Agent                | State Street Bank and Trust Company<br>CIK: 0000839287    | 085-05003         |

### Fund Characteristics & Assets

- **Securities Act File Number:** 033-54126

- **Is this a Feeder Fund?:** Yes

- **Is this a Master Fund?:** No

- **Is this series for insurance company separate accounts?:** No

- **Money Market Fund Category:** Prime

- **Is this a Retail Money Market Fund?:** No

- **Is this a Government Money Market Fund?:** No

- **WAM:** 1 days

- **WAL:** 1 days

- **Total Value of Portfolio Securities:** $77974740828.49

- **Amortized Cost of Portfolio Securities:** $0.00

- **Cash:** $0.00

- **Total Other Assets:** $992.07

- **Total Liabilities:** $305299601.37

- **Net Assets of Series:** $77669442219.19

- **Number of Shares Outstanding (Series):** 77639519206.9370

- **Does the fund seek to maintain a stable price per share?:** No

- **Stable Price Per Share:** $0.00

- **Is cash management vehicle an affiliated fund?:** Yes

- **Does the fund apply liquidity fees?:** No

### Daily & Weekly Liquid Assets
| Date       | Daily Liquid Assets ($)   | Weekly Liquid Assets ($)   | Daily Liquid Assets (%)   | Weekly Liquid Assets (%)   |
|:---|:---|:---|:---|:---|
| 2025-05-01 | $30410087524.43           | $41038245851.98            | 39.7900%                  | 53.6900%                   |
| 2025-05-02 | $30909299914.60           | $41337667883.51            | 40.2700%                  | 53.8600%                   |
| 2025-05-05 | $30522198933.00           | $41574491674.76            | 39.6100%                  | 53.9500%                   |
| 2025-05-06 | $31228313328.58           | $40047458461.11            | 40.9300%                  | 52.4900%                   |
| 2025-05-07 | $30630076700.37           | $39826663459.29            | 40.1000%                  | 52.1300%                   |
| 2025-05-08 | $30952228866.48           | $40731273769.16            | 40.0000%                  | 52.6400%                   |
| 2025-05-09 | $32315562688.87           | $41715081029.06            | 41.1700%                  | 53.1400%                   |
| 2025-05-12 | $32789017363.61           | $42674438025.87            | 41.2300%                  | 53.6600%                   |
| 2025-05-13 | $32728015865.67           | $41915992283.22            | 41.3800%                  | 52.9900%                   |
| 2025-05-14 | $33431408723.97           | $42507176260.75            | 41.6400%                  | 52.9500%                   |
| 2025-05-15 | $30848558010.24           | $40638982984.17            | 39.3600%                  | 51.8500%                   |
| 2025-05-16 | $29587063942.08           | $39241866034.98            | 38.6300%                  | 51.2400%                   |
| 2025-05-19 | $32274564029.15           | $42500026811.56            | 40.7600%                  | 53.6700%                   |
| 2025-05-20 | $33732871156.90           | $43714819951.49            | 41.9800%                  | 54.4000%                   |
| 2025-05-21 | $33242418322.86           | $43490893126.13            | 41.4900%                  | 54.2800%                   |
| 2025-05-22 | $32534612666.72           | $43053110622.82            | 40.6100%                  | 53.7400%                   |
| 2025-05-23 | $33150889751.40           | $42441401881.23            | 41.3600%                  | 52.9500%                   |
| 2025-05-27 | $31418655265.91           | $40764819128.67            | 39.6300%                  | 51.4200%                   |
| 2025-05-28 | $30413891767.87           | $40621319253.58            | 38.5900%                  | 51.5400%                   |
| 2025-05-29 | $29814672524.23           | $40825992572.53            | 37.9900%                  | 52.0200%                   |
| 2025-05-30 | $30500907349.33           | $41209243897.60            | 38.7900%                  | 52.4100%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-05-01 | 4.5500%             |
| 2025-05-02 | 4.5800%             |
| 2025-05-05 | 4.5800%             |
| 2025-05-06 | 4.5800%             |
| 2025-05-07 | 4.5700%             |
| 2025-05-08 | 4.5700%             |
| 2025-05-09 | 4.5600%             |
| 2025-05-12 | 4.5500%             |
| 2025-05-13 | 4.5400%             |
| 2025-05-14 | 4.5400%             |
| 2025-05-15 | 4.5400%             |
| 2025-05-16 | 4.5400%             |
| 2025-05-19 | 4.5400%             |
| 2025-05-20 | 4.5400%             |
| 2025-05-21 | 4.5400%             |
| 2025-05-22 | 4.5400%             |
| 2025-05-23 | 4.5300%             |
| 2025-05-27 | 4.5300%             |
| 2025-05-28 | 4.5300%             |
| 2025-05-29 | 4.5300%             |
| 2025-05-30 | 4.5500%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-05-01 | 1.0004                      |
|  |  |
| 2025-05-02 | 1.0004                      |
|  |  |
| 2025-05-05 | 1.0004                      |
|  |  |
| 2025-05-06 | 1.0004                      |
|  |  |
| 2025-05-07 | 1.0004                      |
|  |  |
| 2025-05-08 | 1.0004                      |
|  |  |
| 2025-05-09 | 1.0003                      |
|  |  |
| 2025-05-12 | 1.0004                      |
|  |  |
| 2025-05-13 | 1.0004                      |
|  |  |
| 2025-05-14 | 1.0004                      |
|  |  |
| 2025-05-15 | 1.0004                      |
|  |  |
| 2025-05-16 | 1.0004                      |
|  |  |
| 2025-05-19 | 1.0004                      |
|  |  |
| 2025-05-20 | 1.0004                      |
|  |  |
| 2025-05-21 | 1.0004                      |
|  |  |
| 2025-05-22 | 1.0004                      |
|  |  |
| 2025-05-23 | 1.0004                      |
|  |  |
| 2025-05-27 | 1.0004                      |
|  |  |
| 2025-05-28 | 1.0004                      |
|  |  |
| 2025-05-29 | 1.0004                      |
|  |  |
| 2025-05-30 | 1.0004                      |
|  |  |

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

### Class: SL Agency Shares

- **Minimum Initial Investment:** $100000000.00

- **Net Assets of Class:** $77669442219.19

- **Number of Shares Outstanding:** 77639519206.9370

- **Expense Reimbursement/Waiver:** 961.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-05-01 | 1.0004          |
|  |  |
| 2025-05-02 | 1.0004          |
|  |  |
| 2025-05-05 | 1.0004          |
|  |  |
| 2025-05-06 | 1.0004          |
|  |  |
| 2025-05-07 | 1.0004          |
|  |  |
| 2025-05-08 | 1.0004          |
|  |  |
| 2025-05-09 | 1.0003          |
|  |  |
| 2025-05-12 | 1.0004          |
|  |  |
| 2025-05-13 | 1.0004          |
|  |  |
| 2025-05-14 | 1.0004          |
|  |  |
| 2025-05-15 | 1.0004          |
|  |  |
| 2025-05-16 | 1.0004          |
|  |  |
| 2025-05-19 | 1.0004          |
|  |  |
| 2025-05-20 | 1.0004          |
|  |  |
| 2025-05-21 | 1.0004          |
|  |  |
| 2025-05-22 | 1.0004          |
|  |  |
| 2025-05-23 | 1.0004          |
|  |  |
| 2025-05-27 | 1.0004          |
|  |  |
| 2025-05-28 | 1.0004          |
|  |  |
| 2025-05-29 | 1.0004          |
|  |  |
| 2025-05-30 | 1.0004          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-05-01 | $2398187761.00            | $916709037.28           |
| 2025-05-02 | $1440284327.46            | $1485976197.40          |
| 2025-05-05 | $2183138018.14            | $1211234710.77          |
| 2025-05-06 | $1777325668.52            | $3019499534.00          |
| 2025-05-07 | $1653933494.44            | $1485199270.92          |
| 2025-05-08 | $2161497973.36            | $1495686589.30          |
| 2025-05-09 | $3486978663.46            | $1593438670.09          |
| 2025-05-12 | $2810002905.17            | $1770395440.25          |
| 2025-05-13 | $1531514461.98            | $2302251482.03          |
| 2025-05-14 | $3155836252.38            | $2489802061.01          |
| 2025-05-15 | $1643723419.97            | $2964457903.09          |
| 2025-05-16 | $626703364.97             | $2210316241.40          |
| 2025-05-19 | $3379372222.81            | $782299132.13           |
| 2025-05-20 | $2015340947.18            | $1806486229.93          |
| 2025-05-21 | $2479131264.13            | $1773355569.37          |
| 2025-05-22 | $1925346922.22            | $2363394019.23          |
| 2025-05-23 | $1213930074.48            | $2179488596.80          |
| 2025-05-27 | $2261882913.53            | $2004374962.27          |
| 2025-05-28 | $1425359723.07            | $1668653070.27          |
| 2025-05-29 | $1197917623.07            | $1537311609.21          |
| 2025-05-30 | $1545749355.03            | $2083711872.26          |

**Total Gross Subscriptions (Month):** $42313157356.37

**Total Gross Redemptions (Month):** $39144042199.01

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-05-01 | 4.4600%           |
| 2025-05-02 | 4.4900%           |
| 2025-05-05 | 4.4900%           |
| 2025-05-06 | 4.4900%           |
| 2025-05-07 | 4.4800%           |
| 2025-05-08 | 4.4800%           |
| 2025-05-09 | 4.4700%           |
| 2025-05-12 | 4.4600%           |
| 2025-05-13 | 4.4500%           |
| 2025-05-14 | 4.4500%           |
| 2025-05-15 | 4.4500%           |
| 2025-05-16 | 4.4500%           |
| 2025-05-19 | 4.4500%           |
| 2025-05-20 | 4.4500%           |
| 2025-05-21 | 4.4500%           |
| 2025-05-22 | 4.4500%           |
| 2025-05-23 | 4.4400%           |
| 2025-05-27 | 4.4400%           |
| 2025-05-28 | 4.4400%           |
| 2025-05-29 | 4.4400%           |
| 2025-05-30 | 4.4600%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Registered investment company                       |  | 99.9200%         | 0.0000%              |
| Depository institution or other banking institution |  | 0.0800%          | 0.0000%              |

## Part C: Schedule of Portfolio Securities

### Security 1: Money Market Master Portfolio

- **C.1 - Title:** Money Market Master Portfolio 0.000000%
- **C.6 - Investment Category:** Investment Company
- **Identifiers:** C.3 - CUSIP: BLKRK0BBO, C.3 - LEI: N/A
- **C.18 - Value (incl. sponsor support):** $77974740828.49
- **C.18.a - Value (excl. sponsor support):** $77974740828.49
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-06-02
- **C.12 - Maturity Date (WAL):** 2025-06-02
- **C.13 - Final Legal Maturity Date:** 2025-06-02
- **Characteristics:** C.9 Eligible Security? Yes, 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:** BlackRock Funds III

**Date:** 2025-06-05

**By:** /s/ Chuck Pulsfort

**Name of Signing Officer:** Chuck Pulsfort

**Title of Signing Officer:** Assistant Treasurer