# EDGAR Filing Document

**Accession Number:** 0000893818
**File Stem:** 0001193125-25-268790
**Filing Date:** 2025-11
**Character Count:** 14464
**Document Hash:** 070159d156300282af25587068da08df
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-268790.hdr.sgml**: 20251106

**ACCESSION NUMBER**: 0001193125-25-268790

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251031

**FILED AS OF DATE**: 20251106

**DATE AS OF CHANGE**: 20251106

**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:** 251457290

**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):** 2025-10-31

**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:** $80174010411.12

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

- **Cash:** $0.00

- **Total Other Assets:** $1056.00

- **Total Liabilities:** $326555734.40

- **Net Assets of Series:** $79847455732.72

- **Number of Shares Outstanding (Series):** 79808160176.9280

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-10-01 | $37605442599.32           | $47932113570.20            | 43.6500%                  | 55.6300%                   |
| 2025-10-02 | $38258552647.44           | $48436170902.65            | 44.2200%                  | 55.9800%                   |
| 2025-10-03 | $39862382705.59           | $49328006774.91            | 45.7100%                  | 56.5700%                   |
| 2025-10-06 | $40905388569.53           | $50403093289.85            | 46.3100%                  | 57.0700%                   |
| 2025-10-07 | $39967101649.86           | $47533717254.02            | 46.9400%                  | 55.8300%                   |
| 2025-10-08 | $38625959784.10           | $47816693954.24            | 45.1400%                  | 55.8800%                   |
| 2025-10-09 | $36480500448.24           | $47088337038.63            | 43.0700%                  | 55.5900%                   |
| 2025-10-10 | $36822420439.02           | $46917127058.64            | 43.2900%                  | 55.1600%                   |
| 2025-10-13 | $39875072085.02           | $47515062633.72            | 46.8800%                  | 55.8600%                   |
| 2025-10-14 | $40559399851.79           | $48199738638.02            | 47.2000%                  | 56.1000%                   |
| 2025-10-15 | $38435165936.35           | $47424538250.00            | 45.1300%                  | 55.6900%                   |
| 2025-10-16 | $38894580355.72           | $47849902820.70            | 45.4100%                  | 55.8700%                   |
| 2025-10-17 | $38088510526.51           | $47188439597.52            | 44.8200%                  | 55.5300%                   |
| 2025-10-20 | $39135030972.59           | $48757597862.96            | 45.2700%                  | 56.4100%                   |
| 2025-10-21 | $40392194626.25           | $48067840766.38            | 47.1900%                  | 56.1600%                   |
| 2025-10-22 | $36962134075.68           | $47331357772.24            | 43.7900%                  | 56.0700%                   |
| 2025-10-23 | $34966500715.97           | $45735343346.55            | 42.3300%                  | 55.3700%                   |
| 2025-10-24 | $36722083667.53           | $47287451942.63            | 43.8500%                  | 56.4700%                   |
| 2025-10-27 | $37432191454.47           | $48110534362.41            | 44.4000%                  | 57.0700%                   |
| 2025-10-28 | $38382943912.62           | $46945117028.45            | 46.2100%                  | 56.5100%                   |
| 2025-10-29 | $36030197562.65           | $46662355746.46            | 43.5700%                  | 56.4300%                   |
| 2025-10-30 | $34489081439.38           | $46112921124.89            | 42.2900%                  | 56.5400%                   |
| 2025-10-31 | $33356700338.79           | $45247409895.22            | 41.6100%                  | 56.4400%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-10-01 | 4.3500%             |
| 2025-10-02 | 4.3500%             |
| 2025-10-03 | 4.3600%             |
| 2025-10-06 | 4.3600%             |
| 2025-10-07 | 4.3500%             |
| 2025-10-08 | 4.3500%             |
| 2025-10-09 | 4.3400%             |
| 2025-10-10 | 4.3200%             |
| 2025-10-13 | 4.3200%             |
| 2025-10-14 | 4.3300%             |
| 2025-10-15 | 4.3300%             |
| 2025-10-16 | 4.3500%             |
| 2025-10-17 | 4.3800%             |
| 2025-10-20 | 4.3800%             |
| 2025-10-21 | 4.3900%             |
| 2025-10-22 | 4.3800%             |
| 2025-10-23 | 4.3800%             |
| 2025-10-24 | 4.3800%             |
| 2025-10-27 | 4.3900%             |
| 2025-10-28 | 4.4000%             |
| 2025-10-29 | 4.4100%             |
| 2025-10-30 | 4.4000%             |
| 2025-10-31 | 4.3600%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-10-01 | 1.0006                      |
|  |  |
| 2025-10-02 | 1.0006                      |
|  |  |
| 2025-10-03 | 1.0005                      |
|  |  |
| 2025-10-06 | 1.0005                      |
|  |  |
| 2025-10-07 | 1.0005                      |
|  |  |
| 2025-10-08 | 1.0005                      |
|  |  |
| 2025-10-09 | 1.0005                      |
|  |  |
| 2025-10-10 | 1.0005                      |
|  |  |
| 2025-10-13 | 1.0005                      |
|  |  |
| 2025-10-14 | 1.0005                      |
|  |  |
| 2025-10-15 | 1.0005                      |
|  |  |
| 2025-10-16 | 1.0005                      |
|  |  |
| 2025-10-17 | 1.0005                      |
|  |  |
| 2025-10-20 | 1.0005                      |
|  |  |
| 2025-10-21 | 1.0005                      |
|  |  |
| 2025-10-22 | 1.0005                      |
|  |  |
| 2025-10-23 | 1.0005                      |
|  |  |
| 2025-10-24 | 1.0005                      |
|  |  |
| 2025-10-27 | 1.0005                      |
|  |  |
| 2025-10-28 | 1.0005                      |
|  |  |
| 2025-10-29 | 1.0005                      |
|  |  |
| 2025-10-30 | 1.0005                      |
|  |  |
| 2025-10-31 | 1.0005                      |
|  |  |

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

### Class: SL Agency Shares

- **Minimum Initial Investment:** $100000000.00

- **Net Assets of Class:** $79847455732.72

- **Number of Shares Outstanding:** 79808160176.9280

- **Expense Reimbursement/Waiver:** 992.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-10-01 | 1.0006          |
|  |  |
| 2025-10-02 | 1.0006          |
|  |  |
| 2025-10-03 | 1.0005          |
|  |  |
| 2025-10-06 | 1.0005          |
|  |  |
| 2025-10-07 | 1.0005          |
|  |  |
| 2025-10-08 | 1.0005          |
|  |  |
| 2025-10-09 | 1.0005          |
|  |  |
| 2025-10-10 | 1.0005          |
|  |  |
| 2025-10-13 | 1.0005          |
|  |  |
| 2025-10-14 | 1.0005          |
|  |  |
| 2025-10-15 | 1.0005          |
|  |  |
| 2025-10-16 | 1.0005          |
|  |  |
| 2025-10-17 | 1.0005          |
|  |  |
| 2025-10-20 | 1.0005          |
|  |  |
| 2025-10-21 | 1.0005          |
|  |  |
| 2025-10-22 | 1.0005          |
|  |  |
| 2025-10-23 | 1.0005          |
|  |  |
| 2025-10-24 | 1.0005          |
|  |  |
| 2025-10-27 | 1.0005          |
|  |  |
| 2025-10-28 | 1.0005          |
|  |  |
| 2025-10-29 | 1.0005          |
|  |  |
| 2025-10-30 | 1.0005          |
|  |  |
| 2025-10-31 | 1.0005          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-10-01 | $3410790484.50            | $1765808735.60          |
| 2025-10-02 | $2255363832.79            | $1900881058.83          |
| 2025-10-03 | $2606286151.52            | $1958191649.42          |
| 2025-10-06 | $2864394892.94            | $2482519017.32          |
| 2025-10-07 | $1122574950.93            | $3578471123.11          |
| 2025-10-08 | $2061852366.53            | $1973829363.65          |
| 2025-10-09 | $2147878850.72            | $2690255940.39          |
| 2025-10-10 | $2067685655.15            | $2488523749.91          |
| 2025-10-14 | $3093946985.72            | $1672424736.40          |
| 2025-10-15 | $1812072588.04            | $2564490810.90          |
| 2025-10-16 | $2016642074.56            | $1552996422.17          |
| 2025-10-17 | $1405329957.97            | $2391731076.56          |
| 2025-10-20 | $2688501738.80            | $1588687306.05          |
| 2025-10-21 | $2024255132.64            | $2081498520.33          |
| 2025-10-22 | $1226401996.66            | $2473062009.70          |
| 2025-10-23 | $1434290961.69            | $3355645126.40          |
| 2025-10-24 | $2880390737.69            | $2122508209.45          |
| 2025-10-27 | $3377511208.75            | $2333980133.26          |
| 2025-10-28 | $1175029762.96            | $2427962330.78          |
| 2025-10-29 | $1626233700.44            | $2147768135.62          |
| 2025-10-30 | $1234793599.96            | $2719454540.31          |
| 2025-10-31 | $1393215105.17            | $2306599630.60          |

**Total Gross Subscriptions (Month):** $45925442736.13

**Total Gross Redemptions (Month):** $50577289626.76

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-10-01 | 4.2600%           |
| 2025-10-02 | 4.2600%           |
| 2025-10-03 | 4.2700%           |
| 2025-10-06 | 4.2700%           |
| 2025-10-07 | 4.2600%           |
| 2025-10-08 | 4.2600%           |
| 2025-10-09 | 4.2500%           |
| 2025-10-10 | 4.2300%           |
| 2025-10-13 | 4.2300%           |
| 2025-10-14 | 4.2400%           |
| 2025-10-15 | 4.2400%           |
| 2025-10-16 | 4.2600%           |
| 2025-10-17 | 4.2900%           |
| 2025-10-20 | 4.2900%           |
| 2025-10-21 | 4.2900%           |
| 2025-10-22 | 4.2900%           |
| 2025-10-23 | 4.2900%           |
| 2025-10-24 | 4.2900%           |
| 2025-10-27 | 4.3000%           |
| 2025-10-28 | 4.3100%           |
| 2025-10-29 | 4.3200%           |
| 2025-10-30 | 4.3100%           |
| 2025-10-31 | 4.2700%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Registered investment company                       |  | 99.9100%         | 0.0000%              |
| Depository institution or other banking institution |  | 0.0900%          | 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):** $80174010411.12
- **C.18.a - Value (excl. sponsor support):** $80174010411.12
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-11-03
- **C.12 - Maturity Date (WAL):** 2025-11-03
- **C.13 - Final Legal Maturity Date:** 2025-11-03
- **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:** 2025-11-06

**By:** /s/ Chuck Pulsfort

**Name of Signing Officer:** Chuck Pulsfort

**Title of Signing Officer:** Assistant Treasurer