# EDGAR Filing Document

**Accession Number:** 0000893818
**File Stem:** 0001145549-23-000715
**Filing Date:** 2023-1
**Character Count:** 8765
**Document Hash:** 828a18770b4511f25e3510ece6ae60cc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-23-000715.hdr.sgml**: 20230109

**ACCESSION NUMBER**: 0001145549-23-000715

**CONFORMED SUBMISSION TYPE**: N-MFP2

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230109

**DATE AS OF CHANGE**: 20230109

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BlackRock Funds III
- **CENTRAL INDEX KEY:** 0000893818
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** N-MFP2
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-07332
- **FILM NUMBER:** 23518150

**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: Treasury (Series ID: S000004273)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000011980 | Institutional Shares | BRIXX           |
| C000011981 | Premium Shares Class | BSPXX           |
| C000011982 | Select Shares Class  | BRSXX           |
| C000011983 | Trust Shares Class   | BYTXX           |
| C000060669 | Capital Shares       | BCYXX           |
| C000074117 | SL Agency Shares     |  |

# Form N-MFP: Monthly Schedule of Portfolio Holdings

## N-MFP: Filer Information

**Submission Type:** N-MFP2

**Live/Test Flag:** —

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

**CIK:** —

### General Information

**Report for (YYYY-MM-DD):** 2022-12-31

**EDGAR Series Identifier:** S000004273

**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                 | BlackRock Advisors, LLC                                   |  |
| A.4    | Independent Public Accountant | PricewaterhouseCoopers<br>City: Philadelphia<br>State: PA |  |
| A.6    | Transfer Agent                | State Street Bank and Trust Company<br>CIK: 0000839287    | 085-05003         |

### Fund Characteristics & Assets

- **A.1 - Securities Act File Number:** 033-54126

- **A.7 - Is this a Feeder Fund?:** Yes

- **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:** 1 days

- **A.12 - WAL:** 1 days

- **Total Value of Portfolio Securities:** $18603376240.80

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

- **Cash:** $0.00

- **Total Other Assets:** $860.83

- **Total Liabilities:** $60708846.32

- **Net Assets of Series:** $18542668255.31

- **Number of Shares Outstanding (Series):** 18542626213.24

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

- **7-Day Gross Yield:** 4.2100%

### Weekly Liquid Assets
| Period         | Daily Liquid Assets ($)   | Weekly Liquid Assets ($)   | Daily Liquid Assets (%)   | Weekly Liquid Assets (%)   |
|:---|:---|:---|:---|:---|
| Friday, Week 1 |  | $18537777626.43            |  | 100.0000%                  |
| Friday, Week 2 |  | $19474490046.01            |  | 100.0000%                  |
| Friday, Week 3 |  | $26988606464.13            |  | 100.0000%                  |
| Friday, Week 4 |  | $17900814610.82            |  | 100.0000%                  |
| Friday, Week 5 |  | $19950332089.76            |  | 100.0000%                  |

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

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $100000000.00

- **B.3 - Net Assets of Class:** $4060144431.40

- **B.4 - Shares Outstanding:** 4060135220.82

- **B.7.7 - 7-Day Net Yield:** 4.0900%

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

- **Expense Reimbursement/Waiver Description:** BlackRock Advisors, LLC: Advisor Fee- $173

**Weekly Flows:**

| Period   | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| Week 1   | $1507413869.12            | $532741118.80           |
| Week 2   | $771903946.37             | $1137359197.11          |
| Week 3   | $1149069430.42            | $715217319.86           |
| Week 4   | $528854805.85             | $785720674.15           |
| Week 5   | $441728645.64             | $377367913.89           |

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $3969367725.60

- **Gross Redemptions for month:** $3289897643.24

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $10000000.00

- **B.3 - Net Assets of Class:** $1.00

- **B.4 - Shares Outstanding:** 1.00

- **B.7.7 - 7-Day Net Yield:** 0.0000%

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

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $0.00

- **Gross Redemptions for month:** $0.00

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $1000000.00

- **B.3 - Net Assets of Class:** $1.00

- **B.4 - Shares Outstanding:** 1.00

- **B.7.7 - 7-Day Net Yield:** 0.0000%

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

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $0.00

- **Gross Redemptions for month:** $0.00

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $100000.00

- **B.3 - Net Assets of Class:** $1.00

- **B.4 - Shares Outstanding:** 1.00

- **B.7.7 - 7-Day Net Yield:** 0.0000%

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

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $0.00

- **Gross Redemptions for month:** $0.00

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $25000000.00

- **B.3 - Net Assets of Class:** $1.00

- **B.4 - Shares Outstanding:** 1.00

- **B.7.7 - 7-Day Net Yield:** 0.0000%

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

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $0.00

- **Gross Redemptions for month:** $0.00

### Class: Unknown Class (—)

- **B.2 - Minimum Initial Investment:** $100000000.00

- **B.3 - Net Assets of Class:** $14482523819.91

- **B.4 - Shares Outstanding:** 14482490988.42

- **B.7.7 - 7-Day Net Yield:** 4.1200%

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

- **Expense Reimbursement/Waiver Description:** BlackRock Advisors, LLC: Advisor Fee- $633

**Weekly Flows:**

| Period   | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| Week 1   | $7631442975.26            | $5553316844.82          |
| Week 2   | $9580455588.82            | $8290219470.70          |
| Week 3   | $13357306072.38           | $6303351749.12          |
| Week 4   | $7232720830.89            | $16072355000.15         |
| Week 5   | $6738170910.76            | $4804484460.92          |

**Monthly Shareholder Flow Activity:**

- **Gross Subscriptions for month:** $41701944048.08

- **Gross Redemptions for month:** $39327339037.06

## Part C: Schedule of Portfolio Securities

### Security 1: Treasury Money Market Master Portfolio

- **C.1 - Title:** Treasury Money Market Master Portfolio 0.000000%
- **C.6 - Investment Category:** Investment Company
- **Identifiers:** CIK: 0000915092
- **C.18 - Value (incl. sponsor support):** $18603376240.80
- **C.18.a - Value (excl. sponsor support):** $18603376240.80
- **Principal Amount:** —
- **Amortized Cost:** —
- **Fair Value:** —
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2023-01-03
- **C.12 - Maturity Date (WAL):** 2023-01-03
- **C.13 - Final Legal Maturity Date:** 2023-01-03
- **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? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

## N-MFP: Signatures

**Registrant:** BlackRock Funds III

**Date:** 2023-01-09

**By:** /s/ Ann Frechette

**Name of Signing Officer:** Ann Frechette

**Title of Signing Officer:** Assistant Treasurer