Managers / Q1 2025 · view latest →
BLAIR WILLIAM & CO/IL
CIK 0000902367 · 150 NORTH RIVERSIDE PLAZA, CHICAGO, IL, 60606-5312 · 3122361600
Reported Value
$33.2B
Q1 2025
Positions
1,801
Filings on Record
30
2019–present window
Filed
May 9, 2025
original filing
Summary
Blair William & Co/Il reported $33.2B in U.S.-listed holdings across 1,801 positions for Q1 2025.
Its largest position, MSFT, represents 4.3% of the portfolio.
Compared with Q4 2024, the fund opened 82 new positions and exited 97.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
- Common Stock · 83.7% · $27.8B
- ETP · 12.3% · $4.1B
- Other · 2.6% · $865M
- REIT · 0.9% · $298M
- ADR · 0.3% · $104M
- Other · 0.2% · $56M
Quarter-over-Quarter Changes full breakdown →
Holdings — Q1 2025
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $34.9B | 1,922 | May 8, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $37.3B | 1,920 | Feb 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $37.6B | 1,844 | Nov 12, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $36.0B | 1,824 | Jul 24, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $33.2B | 1,801 | May 9, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $34.4B | 1,816 | Feb 12, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $34.1B | 1,821 | Nov 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $32.4B | 1,822 | Aug 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $31.8B | 1,787 | May 9, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $29.3B | 1,785 | Feb 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $26.1B | 1,791 | Nov 9, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $27.3B | 1,809 | Aug 11, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $25.0B | 1,801 | May 12, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $23.00T | 1,814 | Feb 10, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $21.8B | 1,823 | Nov 9, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $22.5B | 1,863 | Aug 10, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $28.5B | 1,910 | May 13, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $31.9B | 1,963 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $29.4B | 1,879 | Nov 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $28.9B | 1,888 | Aug 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $26.5B | 1,856 | May 13, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $27.3B | 1,828 | Feb 9, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $23.6B | 1,720 | Nov 6, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $21.0B | 1,681 | Aug 12, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $16.0B | 1,660 | May 11, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $19.5B | 1,728 | Feb 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $17.4B | 1,697 | Nov 12, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $17.5B | 1,734 | Aug 13, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $16.4B | 1,705 | May 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $13.7B | 1,654 | Feb 14, 2019 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.