# EDGAR Filing Document

**Accession Number:** 0000893818
**File Stem:** 0001193125-26-093204
**Filing Date:** 2026-3
**Character Count:** 13075
**Document Hash:** 312e9ff6e1cb3010bbd91a1bb2c61a53
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-093204.hdr.sgml**: 20260305

**ACCESSION NUMBER**: 0001193125-26-093204

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260228

**FILED AS OF DATE**: 20260305

**DATE AS OF CHANGE**: 20260305

**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:** 26725064

**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):** 2026-02-28

**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:** $83182247976.07

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

- **Cash:** $0.00

- **Total Other Assets:** $928.00

- **Total Liabilities:** $249440338.79

- **Net Assets of Series:** $82932808565.28

- **Number of Shares Outstanding (Series):** 82893698745.9220

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2026-02-02 | $31134818316.69           | $42169970541.28            | 38.5900%                  | 52.2700%                   |
| 2026-02-03 | $30298600254.28           | $42408106405.86            | 37.5200%                  | 52.5100%                   |
| 2026-02-04 | $29830508809.57           | $44309643193.65            | 36.0100%                  | 53.4900%                   |
| 2026-02-05 | $28307861825.76           | $41519919461.77            | 35.4400%                  | 51.9700%                   |
| 2026-02-06 | $26179376444.91           | $41305771193.05            | 32.9100%                  | 51.9300%                   |
| 2026-02-09 | $30249531585.28           | $43188724252.03            | 37.0300%                  | 52.8700%                   |
| 2026-02-10 | $30957364688.26           | $42994682136.46            | 37.9800%                  | 52.7500%                   |
| 2026-02-11 | $30041083658.27           | $44061503373.81            | 36.3000%                  | 53.2300%                   |
| 2026-02-12 | $31716027027.92           | $44070617675.99            | 38.5200%                  | 53.5300%                   |
| 2026-02-13 | $28997351209.41           | $41453279313.76            | 35.9000%                  | 51.3200%                   |
| 2026-02-17 | $28144928772.16           | $41560578828.74            | 34.8800%                  | 51.5100%                   |
| 2026-02-18 | $27914359541.93           | $44019995278.01            | 33.4700%                  | 52.7800%                   |
| 2026-02-19 | $29367592749.53           | $44192386791.89            | 35.1400%                  | 52.8800%                   |
| 2026-02-20 | $27765400512.75           | $44931728838.16            | 33.2800%                  | 53.8500%                   |
| 2026-02-23 | $31331242654.01           | $46470208503.89            | 37.0800%                  | 54.9900%                   |
| 2026-02-24 | $28942936872.02           | $45718828813.98            | 34.6000%                  | 54.6600%                   |
| 2026-02-25 | $27738424432.27           | $47031205542.46            | 32.2400%                  | 54.6600%                   |
| 2026-02-26 | $28011102210.67           | $46027733385.31            | 33.0200%                  | 54.2600%                   |
| 2026-02-27 | $25478112009.27           | $44524639502.21            | 30.5700%                  | 53.4200%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2026-02-02 | 3.9100%             |
| 2026-02-03 | 3.9100%             |
| 2026-02-04 | 3.9100%             |
| 2026-02-05 | 3.9100%             |
| 2026-02-06 | 3.9000%             |
| 2026-02-09 | 3.9000%             |
| 2026-02-10 | 3.9000%             |
| 2026-02-11 | 3.9000%             |
| 2026-02-12 | 3.9000%             |
| 2026-02-13 | 3.8900%             |
| 2026-02-17 | 3.8900%             |
| 2026-02-18 | 3.8900%             |
| 2026-02-19 | 3.9000%             |
| 2026-02-20 | 3.9200%             |
| 2026-02-23 | 3.9300%             |
| 2026-02-24 | 3.9400%             |
| 2026-02-25 | 3.9400%             |
| 2026-02-26 | 3.9300%             |
| 2026-02-27 | 3.9300%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2026-02-02 | 1.0005                      |
|  |  |
| 2026-02-03 | 1.0005                      |
|  |  |
| 2026-02-04 | 1.0005                      |
|  |  |
| 2026-02-05 | 1.0005                      |
|  |  |
| 2026-02-06 | 1.0005                      |
|  |  |
| 2026-02-09 | 1.0005                      |
|  |  |
| 2026-02-10 | 1.0005                      |
|  |  |
| 2026-02-11 | 1.0005                      |
|  |  |
| 2026-02-12 | 1.0005                      |
|  |  |
| 2026-02-13 | 1.0005                      |
|  |  |
| 2026-02-17 | 1.0005                      |
|  |  |
| 2026-02-18 | 1.0005                      |
|  |  |
| 2026-02-19 | 1.0005                      |
|  |  |
| 2026-02-20 | 1.0005                      |
|  |  |
| 2026-02-23 | 1.0005                      |
|  |  |
| 2026-02-24 | 1.0005                      |
|  |  |
| 2026-02-25 | 1.0005                      |
|  |  |
| 2026-02-26 | 1.0005                      |
|  |  |
| 2026-02-27 | 1.0005                      |
|  |  |

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

### Class: SL Agency Shares

- **Minimum Initial Investment:** $100000000.00

- **Net Assets of Class:** $82932808565.28

- **Number of Shares Outstanding:** 82893698745.9220

- **Expense Reimbursement/Waiver:** 896.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-02-02 | 1.0005          |
|  |  |
| 2026-02-03 | 1.0005          |
|  |  |
| 2026-02-04 | 1.0005          |
|  |  |
| 2026-02-05 | 1.0005          |
|  |  |
| 2026-02-06 | 1.0005          |
|  |  |
| 2026-02-09 | 1.0005          |
|  |  |
| 2026-02-10 | 1.0005          |
|  |  |
| 2026-02-11 | 1.0005          |
|  |  |
| 2026-02-12 | 1.0005          |
|  |  |
| 2026-02-13 | 1.0005          |
|  |  |
| 2026-02-17 | 1.0005          |
|  |  |
| 2026-02-18 | 1.0005          |
|  |  |
| 2026-02-19 | 1.0005          |
|  |  |
| 2026-02-20 | 1.0005          |
|  |  |
| 2026-02-23 | 1.0005          |
|  |  |
| 2026-02-24 | 1.0005          |
|  |  |
| 2026-02-25 | 1.0005          |
|  |  |
| 2026-02-26 | 1.0005          |
|  |  |
| 2026-02-27 | 1.0005          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-02-02 | $2349059024.88            | $2344331258.48          |
| 2026-02-03 | $1628662184.45            | $1562896081.16          |
| 2026-02-04 | $2559022295.56            | $948436872.59           |
| 2026-02-05 | $1567050524.82            | $4213952363.27          |
| 2026-02-06 | $2431838288.20            | $2649362623.62          |
| 2026-02-09 | $3081678644.81            | $1051746155.36          |
| 2026-02-10 | $1327780512.87            | $1798610363.86          |
| 2026-02-11 | $2095865138.13            | $723153523.18           |
| 2026-02-12 | $1417289651.19            | $1861409585.68          |
| 2026-02-13 | $1360421574.98            | $3679328595.86          |
| 2026-02-17 | $2566056872.66            | $1817466525.76          |
| 2026-02-18 | $3547373560.07            | $845601913.47           |
| 2026-02-19 | $1786875663.20            | $1858579143.07          |
| 2026-02-20 | $1563311487.75            | $1574665551.40          |
| 2026-02-23 | $2683342677.70            | $1769280351.92          |
| 2026-02-24 | $1561712340.79            | $2230619389.82          |
| 2026-02-25 | $3060694896.09            | $1517899408.51          |
| 2026-02-26 | $1728891218.64            | $1924662538.62          |
| 2026-02-27 | $1135046170.84            | $2809109932.72          |

**Total Gross Subscriptions (Month):** $39451972727.63

**Total Gross Redemptions (Month):** $37181112178.35

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-02-02 | 3.8200%           |
| 2026-02-03 | 3.8200%           |
| 2026-02-04 | 3.8200%           |
| 2026-02-05 | 3.8200%           |
| 2026-02-06 | 3.8100%           |
| 2026-02-09 | 3.8100%           |
| 2026-02-10 | 3.8100%           |
| 2026-02-11 | 3.8100%           |
| 2026-02-12 | 3.8100%           |
| 2026-02-13 | 3.8000%           |
| 2026-02-17 | 3.8000%           |
| 2026-02-18 | 3.8000%           |
| 2026-02-19 | 3.8100%           |
| 2026-02-20 | 3.8300%           |
| 2026-02-23 | 3.8400%           |
| 2026-02-24 | 3.8500%           |
| 2026-02-25 | 3.8500%           |
| 2026-02-26 | 3.8400%           |
| 2026-02-27 | 3.8400%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Registered investment company                       |  | 99.9600%         | 0.0000%              |
| Depository institution or other banking institution |  | 0.0400%          | 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):** $83182247976.07
- **C.18.a - Value (excl. sponsor support):** $83182247976.07
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2026-03-02
- **C.12 - Maturity Date (WAL):** 2026-03-02
- **C.13 - Final Legal Maturity Date:** 2026-03-02
- **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:** 2026-03-05

**By:** /s/ Chuck Pulsfort

**Name of Signing Officer:** Chuck Pulsfort

**Title of Signing Officer:** Assistant Treasurer