# EDGAR Filing Document

**Accession Number:** 0000893818
**File Stem:** 0001145549-25-050551
**Filing Date:** 2025-8
**Character Count:** 13786
**Document Hash:** d9e1ab9ec19d8afec2d2636bb786d3a4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-050551.hdr.sgml**: 20250806

**ACCESSION NUMBER**: 0001145549-25-050551

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250731

**FILED AS OF DATE**: 20250806

**DATE AS OF CHANGE**: 20250806

**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:** 251188190

**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):** 2025-07-31

**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:** $83402700991.42

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

- **Cash:** $0.00

- **Total Other Assets:** $961.07

- **Total Liabilities:** $313391708.54

- **Net Assets of Series:** $83089310243.95

- **Number of Shares Outstanding (Series):** 83055614099.3190

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-07-01 | $35373428316.19           | $45988642363.80            | 43.1500%                  | 56.1000%                   |
| 2025-07-02 | $34292818588.01           | $45508472968.69            | 41.7400%                  | 55.3900%                   |
| 2025-07-03 | $34497690648.79           | $44061146533.42            | 42.4300%                  | 54.1900%                   |
| 2025-07-07 | $35506067050.35           | $43924776778.95            | 43.4600%                  | 53.7600%                   |
| 2025-07-08 | $35437688090.25           | $44352089826.90            | 43.0800%                  | 53.9100%                   |
| 2025-07-09 | $34684621946.78           | $44833511778.13            | 41.9100%                  | 54.1800%                   |
| 2025-07-10 | $35582161025.15           | $44905936610.30            | 42.4000%                  | 53.5100%                   |
| 2025-07-11 | $34390455402.68           | $43180923708.91            | 41.0700%                  | 51.5700%                   |
| 2025-07-14 | $33717472848.33           | $41985873928.42            | 40.8500%                  | 50.8600%                   |
| 2025-07-15 | $32799676002.13           | $41068082961.05            | 40.0600%                  | 50.1600%                   |
| 2025-07-16 | $32281596964.44           | $41600796493.05            | 39.2600%                  | 50.5900%                   |
| 2025-07-17 | $34369026919.08           | $42687611521.40            | 41.3000%                  | 51.3000%                   |
| 2025-07-18 | $36652924881.69           | $44307260507.77            | 43.2000%                  | 52.2200%                   |
| 2025-07-21 | $36081434308.10           | $44065235624.63            | 42.3100%                  | 51.6700%                   |
| 2025-07-22 | $32674760238.44           | $42917416277.20            | 39.0700%                  | 51.3200%                   |
| 2025-07-23 | $31278437014.91           | $42421072149.76            | 37.5900%                  | 50.9800%                   |
| 2025-07-24 | $32202406038.35           | $42445708645.92            | 38.6500%                  | 50.9400%                   |
| 2025-07-25 | $33296788931.88           | $42539503124.08            | 39.9400%                  | 51.0300%                   |
| 2025-07-28 | $34608803632.90           | $41712180078.46            | 42.0200%                  | 50.6400%                   |
| 2025-07-29 | $33544385703.37           | $42230717894.83            | 40.4100%                  | 50.8800%                   |
| 2025-07-30 | $33590917608.62           | $43514247599.58            | 40.0100%                  | 51.8300%                   |
| 2025-07-31 | $34032315427.85           | $43227859556.02            | 40.8100%                  | 51.8400%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-07-01 | 4.5600%             |
| 2025-07-02 | 4.5700%             |
| 2025-07-03 | 4.5600%             |
| 2025-07-07 | 4.5600%             |
| 2025-07-08 | 4.5600%             |
| 2025-07-09 | 4.5500%             |
| 2025-07-10 | 4.5500%             |
| 2025-07-11 | 4.5500%             |
| 2025-07-14 | 4.5500%             |
| 2025-07-15 | 4.5600%             |
| 2025-07-16 | 4.5600%             |
| 2025-07-17 | 4.5600%             |
| 2025-07-18 | 4.5600%             |
| 2025-07-21 | 4.5600%             |
| 2025-07-22 | 4.5500%             |
| 2025-07-23 | 4.5500%             |
| 2025-07-24 | 4.5400%             |
| 2025-07-25 | 4.5300%             |
| 2025-07-28 | 4.5300%             |
| 2025-07-29 | 4.5300%             |
| 2025-07-30 | 4.5300%             |
| 2025-07-31 | 4.5300%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-07-01 | 1.0004                      |
|  |  |
| 2025-07-02 | 1.0004                      |
|  |  |
| 2025-07-03 | 1.0004                      |
|  |  |
| 2025-07-07 | 1.0004                      |
|  |  |
| 2025-07-08 | 1.0004                      |
|  |  |
| 2025-07-09 | 1.0004                      |
|  |  |
| 2025-07-10 | 1.0004                      |
|  |  |
| 2025-07-11 | 1.0004                      |
|  |  |
| 2025-07-14 | 1.0004                      |
|  |  |
| 2025-07-15 | 1.0004                      |
|  |  |
| 2025-07-16 | 1.0004                      |
|  |  |
| 2025-07-17 | 1.0004                      |
|  |  |
| 2025-07-18 | 1.0004                      |
|  |  |
| 2025-07-21 | 1.0004                      |
|  |  |
| 2025-07-22 | 1.0004                      |
|  |  |
| 2025-07-23 | 1.0004                      |
|  |  |
| 2025-07-24 | 1.0004                      |
|  |  |
| 2025-07-25 | 1.0004                      |
|  |  |
| 2025-07-28 | 1.0004                      |
|  |  |
| 2025-07-29 | 1.0004                      |
|  |  |
| 2025-07-30 | 1.0004                      |
|  |  |
| 2025-07-31 | 1.0004                      |
|  |  |

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

### Class: SL Agency Shares

- **Minimum Initial Investment:** $100000000.00

- **Net Assets of Class:** $83089310243.95

- **Number of Shares Outstanding:** 83055614099.3190

- **Expense Reimbursement/Waiver:** 961.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-07-01 | 1.0004          |
|  |  |
| 2025-07-02 | 1.0004          |
|  |  |
| 2025-07-03 | 1.0004          |
|  |  |
| 2025-07-07 | 1.0004          |
|  |  |
| 2025-07-08 | 1.0004          |
|  |  |
| 2025-07-09 | 1.0004          |
|  |  |
| 2025-07-10 | 1.0004          |
|  |  |
| 2025-07-11 | 1.0004          |
|  |  |
| 2025-07-14 | 1.0004          |
|  |  |
| 2025-07-15 | 1.0004          |
|  |  |
| 2025-07-16 | 1.0004          |
|  |  |
| 2025-07-17 | 1.0004          |
|  |  |
| 2025-07-18 | 1.0004          |
|  |  |
| 2025-07-21 | 1.0004          |
|  |  |
| 2025-07-22 | 1.0004          |
|  |  |
| 2025-07-23 | 1.0004          |
|  |  |
| 2025-07-24 | 1.0004          |
|  |  |
| 2025-07-25 | 1.0004          |
|  |  |
| 2025-07-28 | 1.0004          |
|  |  |
| 2025-07-29 | 1.0004          |
|  |  |
| 2025-07-30 | 1.0004          |
|  |  |
| 2025-07-31 | 1.0004          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-07-01 | $3182453534.32            | $1312562691.51          |
| 2025-07-02 | $1655309988.97            | $2229286125.92          |
| 2025-07-03 | $1911676197.95            | $2008116236.74          |
| 2025-07-07 | $1847399626.62            | $1720619336.27          |
| 2025-07-08 | $1649219109.12            | $1692973426.71          |
| 2025-07-09 | $2367987439.52            | $1172822303.71          |
| 2025-07-10 | $1936559049.72            | $1146794985.78          |
| 2025-07-11 | $1067265485.90            | $1919135955.87          |
| 2025-07-14 | $1468002501.76            | $2160498618.96          |
| 2025-07-15 | $1586110476.85            | $1490110510.09          |
| 2025-07-16 | $1495933288.06            | $1239168291.67          |
| 2025-07-17 | $2337090504.04            | $1265602616.08          |
| 2025-07-18 | $2257364449.47            | $805760531.08           |
| 2025-07-21 | $2363163356.21            | $1886440495.10          |
| 2025-07-22 | $1168340773.06            | $3936716353.06          |
| 2025-07-23 | $2386268999.70            | $1797990155.12          |
| 2025-07-24 | $1420805427.63            | $2056230775.85          |
| 2025-07-25 | $2141492759.90            | $2064415402.69          |
| 2025-07-28 | $1711245159.75            | $1860033092.34          |
| 2025-07-29 | $2644400030.14            | $2023557437.24          |
| 2025-07-30 | $1993822766.56            | $1723102809.04          |
| 2025-07-31 | $1988643375.51            | $1887750064.26          |

**Total Gross Subscriptions (Month):** $42580554300.76

**Total Gross Redemptions (Month):** $39399688215.09

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-07-01 | 4.4700%           |
| 2025-07-02 | 4.4800%           |
| 2025-07-03 | 4.4700%           |
| 2025-07-07 | 4.4700%           |
| 2025-07-08 | 4.4700%           |
| 2025-07-09 | 4.4600%           |
| 2025-07-10 | 4.4600%           |
| 2025-07-11 | 4.4600%           |
| 2025-07-14 | 4.4600%           |
| 2025-07-15 | 4.4700%           |
| 2025-07-16 | 4.4700%           |
| 2025-07-17 | 4.4700%           |
| 2025-07-18 | 4.4700%           |
| 2025-07-21 | 4.4700%           |
| 2025-07-22 | 4.4600%           |
| 2025-07-23 | 4.4600%           |
| 2025-07-24 | 4.4500%           |
| 2025-07-25 | 4.4400%           |
| 2025-07-28 | 4.4400%           |
| 2025-07-29 | 4.4400%           |
| 2025-07-30 | 4.4400%           |
| 2025-07-31 | 4.4400%           |

## 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):** $83402700991.42
- **C.18.a - Value (excl. sponsor support):** $83402700991.42
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-08-01
- **C.12 - Maturity Date (WAL):** 2025-08-01
- **C.13 - Final Legal Maturity Date:** 2025-08-01
- **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:** 2025-08-06

**By:** /s/ Chuck Pulsfort

**Name of Signing Officer:** Chuck Pulsfort

**Title of Signing Officer:** Assistant Treasurer