# EDGAR Filing Document

**Accession Number:** 0000822632
**File Stem:** 0001752724-25-193299
**Filing Date:** 2025-8
**Character Count:** 18277
**Document Hash:** cee91d6841550ad930e52f925eccac84
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-193299.hdr.sgml**: 20250820

**ACCESSION NUMBER**: 0001752724-25-193299

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250820

**DATE AS OF CHANGE**: 20250820

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WILLIAM BLAIR FUNDS
- **CENTRAL INDEX KEY:** 0000822632

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05344
- **FILM NUMBER:** 251234063

**BUSINESS ADDRESS:**
- **STREET 1:** 150 NORTH RIVERSIDE PLAZA
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 3123648000

**MAIL ADDRESS:**
- **STREET 1:** 150 NORTH RIVERSIDE PLAZA
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WILLIAM BLAIR MUTUAL FUNDS INC
- **DATE OF NAME CHANGE:** 19960112

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BLAIR WILLIAM READY RESERVES INC
- **DATE OF NAME CHANGE:** 19920316

## Series and Classes Contracts Data

### William Blair China Growth Fund (Series ID: S000072753)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000229252 | Class I      | WICGX           |
| C000229253 | Class R6     | WRCGX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** WILLIAM BLAIR FUNDS

- **b. Investment Company Act file number:** 811-05344

- **c. CIK number of Registrant:** 0000822632

- **d. LEI of Registrant:** SNQR0U5FDV8EZZX4W051

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 150 NORTH RIVERSIDE PLAZA

  - **City:** CHICAGO

  - **State:** IL

  - **Foreign country:** US

  - **Zip / Postal Code:** 60606

  - **Telephone number:** 312-364-8000

**Item A.2. Information about the Series.**

- **a. Name of Series:** William Blair China Growth Fund

- **b. EDGAR series identifier (if any):** S000072753

- **c. LEI of Series:** 54930074M2LK6QM2ES74

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $1993984.04

**Total Liabilities:** $42891.83

**Net Assets:** $1951092.21

**Cash Not Reported:** $65989.96

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000229253 | -4.58%               | 4.24%                | 3.89%                |
| Class ID C000229252 | -4.56%               | 4.23%                | 4.06%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-24912.19               | $-61588.62                                 |
| Month 2  | $4197.49                 | $65112.50                                  |
| Month 3  | $-1114.37                | $69877.31                                  |

### Schedule of Portfolio Investments

| Name                                          | Title                                         | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Bloks Group Ltd                               | Bloks Group Ltd                               | CUSIP: 000000000<br>LEI: 98450043CF41AECCFD15 | Long             | EC               | CORP              | KY        |       900 | NS      | $16188.64     | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Ping An Insurance Group Co of China Ltd       | Ping An Insurance Group Co of China Ltd       | CUSIP: 000000000<br>LEI: 529900M9MC28JLN35U89 | Long             | EC               | CORP              | CN        |      5800 | NS      | $36832.08     | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Xiaomi Corp                                   | Xiaomi Corp                                   | CUSIP: 000000000<br>LEI: 2549001ACVFAZRNMKL32 | Long             | EC               | CORP              | KY        |     17800 | NS      | $135938.45    | 6.97%             |  |  |  | Yes           |                  1 | On Loan: No      |
| East Money Information Co Ltd                 | East Money Information Co Ltd                 | CUSIP: 000000000<br>LEI: 836800ZFB0ZEK3KKW487 | Long             | EC               | CORP              | CN        |      9800 | NS      | $31666.12     | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Contemporary Amperex Technology Co Ltd        | Contemporary Amperex Technology Co Ltd        | CUSIP: 000000000<br>LEI: 300300KINDY1K0E9I032 | Long             | EC               | CORP              | CN        |      1840 | NS      | $64832.16     | 3.32%             |  |  |  | No            |                  1 | On Loan: No      |
| AAC Technologies Holdings Inc                 | AAC Technologies Holdings Inc                 | CUSIP: 000000000<br>LEI: 549300SKEDE1VKS0A552 | Long             | EC               | CORP              | KY        |      5000 | NS      | $25923.73     | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Huaming Power Equipment Co Ltd                | Huaming Power Equipment Co Ltd                | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      8600 | NS      | $20111.62     | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Kweichow Moutai Co Ltd                        | Kweichow Moutai Co Ltd                        | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |       180 | NS      | $35443.52     | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Shenzhen Inovance Technology Co Ltd           | Shenzhen Inovance Technology Co Ltd           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      4300 | NS      | $38787.55     | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Laopu Gold Co Ltd                             | Laopu Gold Co Ltd                             | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |       400 | NS      | $51363.38     | 2.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Mixue Group                                   | Mixue Group                                   | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |       400 | NS      | $26191.25     | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Midea Group Co Ltd                            | Midea Group Co Ltd                            | CUSIP: 000000000<br>LEI: 3003003TRPHLHZD2IF61 | Long             | EC               | CORP              | CN        |      2400 | NS      | $24207.03     | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| BYD Co Ltd                                    | BYD Co Ltd                                    | CUSIP: 000000000<br>LEI: 5299005557VL7ULJ7A69 | Long             | EC               | CORP              | CN        |      1600 | NS      | $74187.96     | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Pop Mart International Group Ltd              | Pop Mart International Group Ltd              | CUSIP: 000000000<br>LEI: 9845000A05E8F937E337 | Long             | EC               | CORP              | KY        |      2500 | NS      | $84905.00     | 4.35%             |  |  |  | Yes           |                  1 | On Loan: No      |
| Shanghai BOCHU Electronic Technology Corp Ltd | Shanghai BOCHU Electronic Technology Corp Ltd | CUSIP: 000000000<br>LEI: 549300YYZ76IVQGGBM98 | Long             | EC               | CORP              | CN        |      1061 | NS      | $19514.72     | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Aier Eye Hospital Group Co Ltd                | Aier Eye Hospital Group Co Ltd                | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      7100 | NS      | $12378.44     | 0.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Meitu Inc                                     | Meitu Inc                                     | CUSIP: 000000000<br>LEI: 529900P2POH56W116T02 | Long             | EC               | CORP              | KY        |     34000 | NS      | $39111.08     | 2.00%             |  |  |  | Yes           |                  1 | On Loan: No      |
| Bank of Chengdu Co Ltd                        | Bank of Chengdu Co Ltd                        | CUSIP: 000000000<br>LEI: 30030030JPOKGL9K5418 | Long             | EC               | CORP              | CN        |      8500 | NS      | $23867.57     | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Industrial & Commercial Bank of China Ltd     | Industrial & Commercial Bank of China Ltd     | CUSIP: 000000000<br>LEI: 5493002ERZU2K9PZDL40 | Long             | EC               | CORP              | CN        |     37000 | NS      | $29317.38     | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Yutong Bus Co Ltd                             | Yutong Bus Co Ltd                             | CUSIP: 000000000<br>LEI: 300300OMPRVW0Q75F037 | Long             | EC               | CORP              | CN        |     13700 | NS      | $47578.95     | 2.44%             |  |  |  | No            |                  1 | On Loan: No      |
| NetEase Inc                                   | NetEase Inc                                   | CUSIP: 000000000<br>LEI: 5299004AF4DSJDB0PA32 | Long             | EC               | CORP              | KY        |      2500 | NS      | $67197.88     | 3.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Bank of Ningbo Co Ltd                         | Bank of Ningbo Co Ltd                         | CUSIP: 000000000<br>LEI: 300300C1092133000091 | Long             | EC               | CORP              | CN        |      6890 | NS      | $26334.70     | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Guming Holdings Ltd                           | Guming Holdings Ltd                           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |      5200 | NS      | $16924.95     | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Trip.com Group Ltd                            | Trip.com Group Ltd                            | CUSIP: 000000000<br>LEI: 2549004RMYDSRQL4KW41 | Long             | EC               | CORP              | KY        |       800 | NS      | $46471.63     | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Atour Lifestyle Holdings Ltd                  | Atour Lifestyle Holdings Ltd                  | CUSIP: 04965M106<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |       715 | NS      | $23244.65     | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Foshan Haitian Flavouring & Food Co Ltd       | Foshan Haitian Flavouring & Food Co Ltd       | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      3200 | NS      | $17394.20     | 0.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Eoptolink Technology Inc Ltd                  | Eoptolink Technology Inc Ltd                  | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      1540 | NS      | $27326.62     | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Giant Biogene Holding Co ltd                  | Giant Biogene Holding Co ltd                  | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |      4300 | NS      | $31606.57     | 1.62%             |  |  |  | Yes           |                  1 | On Loan: No      |
| OmniVision Integrated Circuits Group Inc      | OmniVision Integrated Circuits Group Inc      | CUSIP: 000000000<br>LEI: 8368000MFHXX01GPND38 | Long             | EC               | CORP              | CN        |      1900 | NS      | $33881.88     | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Gambol Pet Group Co Ltd                       | Gambol Pet Group Co Ltd                       | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      1800 | NS      | $27501.97     | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Sieyuan Electric Co Ltd                       | Sieyuan Electric Co Ltd                       | CUSIP: 000000000<br>LEI: 836800H6UQQUWN4PSZ32 | Long             | EC               | CORP              | CN        |      1900 | NS      | $19352.36     | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Alibaba Group Holding Ltd                     | Alibaba Group Holding Ltd                     | CUSIP: 000000000<br>LEI: 5493001NTNQJDH60PM02 | Long             | EC               | CORP              | KY        |     10676 | NS      | $149328.95    | 7.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Fuyao Glass Industry Group Co Ltd             | Fuyao Glass Industry Group Co Ltd             | CUSIP: 000000000<br>LEI: 549300AS5CSLWETN0P64 | Long             | EC               | CORP              | CN        |      6200 | NS      | $44269.07     | 2.27%             |  |  |  | Yes           |                  1 | On Loan: No      |
| WUS Printed Circuit Kunshan Co Ltd            | WUS Printed Circuit Kunshan Co Ltd            | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      4400 | NS      | $26172.88     | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Hansoh Pharmaceutical Group Co Ltd            | Hansoh Pharmaceutical Group Co Ltd            | CUSIP: 000000000<br>LEI: 254900Q6MR00EBXTPF42 | Long             | EC               | CORP              | KY        |      4000 | NS      | $15159.33     | 0.78%             |  |  |  | Yes           |                  1 | On Loan: No      |
| China Merchants Bank Co Ltd                   | China Merchants Bank Co Ltd                   | CUSIP: 000000000<br>LEI: 549300MKO5B60FFIHF58 | Long             | EC               | CORP              | CN        |      9000 | NS      | $62885.75     | 3.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Agricultural Bank of China Ltd                | Agricultural Bank of China Ltd                | CUSIP: 000000000<br>LEI: 549300E7TSGLCOVSY746 | Long             | EC               | CORP              | CN        |     37000 | NS      | $26395.07     | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Tencent Holdings Ltd                          | Tencent Holdings Ltd                          | CUSIP: 000000000<br>LEI: 254900N4SLUMW4XUYY11 | Long             | EC               | CORP              | KY        |      4000 | NS      | $256307.37    | 13.14%            |  |  |  | No            |                  1 | On Loan: No      |
| Eastroc Beverage Group Co Ltd                 | Eastroc Beverage Group Co Ltd                 | CUSIP: 000000000<br>LEI: 836800LQ338417RCIL29 | Long             | EC               | CORP              | CN        |      1190 | NS      | $52208.22     | 2.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Mao Geping Cosmetics Co LTD                   | Mao Geping Cosmetics Co LTD                   | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      1300 | NS      | $17935.15     | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Meituan                                       | Meituan                                       | CUSIP: 000000000<br>LEI: 21380033K525E5JLIA77 | Long             | EC               | CORP              | KY        |      3710 | NS      | $59218.59     | 3.04%             |  |  |  | Yes           |                  1 | On Loan: No      |
| China Construction Bank Corp                  | China Construction Bank Corp                  | CUSIP: 000000000<br>LEI: 5493001KQW6DM7KEDR62 | Long             | EC               | CORP              | CN        |     26000 | NS      | $26232.01     | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-23

**Name of Applicant:** WILLIAM BLAIR FUNDS

**Signature:** John Raczek

**Name of Signer:** John Raczek

**Title:** Principal Financial Officer