Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

BLAIR WILLIAM & CO/IL 13F Holdings -- Portfolio & Top Positions (2026-06-30)

BLAIR WILLIAM & CO/IL (CIK 902367) reported $38.39B across 1,981 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: AAPL ($1.66B, 4.32%), AMZN ($1.40B, 3.65%), MSFT ($1.28B, 3.35%), NVDA ($1.08B, 2.80%), GOOG ($1.04B, 2.72%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1AAPLAPPLE INC$1.66B4.32%5.7MTrimmed
2AMZNAMAZON COM INC$1.40B3.65%5.9MTrimmed
3MSFTMICROSOFT CORP$1.28B3.35%3.4MTrimmed
4NVDANVIDIA CORPORATION$1.08B2.80%5.4MTrimmed
5GOOGALPHABET INC$1.04B2.72%3.0MTrimmed
6GOOGLALPHABET INC$858.6M2.24%2.4MTrimmed
7GEVGE VERNOVA INC$775.0M2.02%659,673Trimmed
8JPMJPMORGAN CHASE & CO$743.2M1.94%2.3MTrimmed
9VVISA INC$631.8M1.65%1.8MTrimmed
10SPYSTATE STR SPDR S&P 500 ETF T$633.3M1.65%848,034Added
11COSTCOSTCO WHOLESALE CORPORATION$490.8M1.28%524,692Added
12IDXXIDEXX LABS INC$483.6M1.26%918,556Trimmed
13APHAMPHENOL CORP$441.6M1.15%2.5MTrimmed
14MAMASTERCARD INCORPORATED$432.6M1.13%842,350Trimmed
15RSPINVESCO EXCHANGE TRADED FD T$421.8M1.10%2.0MAdded
16PANWPALO ALTO NETWORKS INC$418.3M1.09%1.2MTrimmed
17LLYELI LILLY & CO$416.3M1.08%347,098Added
18VEUVANGUARD INTL EQUITY INDEX F$375.1M0.98%4.5MAdded
19METAMETA PLATFORMS INC$377.9M0.98%670,881Trimmed
20MUMICRON TECHNOLOGY INC$364.6M0.95%315,878Trimmed
21IVVISHARES TR$363.0M0.95%484,704Trimmed
22FASTFASTENAL CO$355.8M0.93%7.4MAdded
23AVGOBROADCOM INC$351.2M0.91%929,716Added
24ABBVABBVIE INC$324.1M0.84%1.3MTrimmed
25VEAVANGUARD TAX-MANAGED FDS$305.7M0.80%4.3MAdded

Source: SEC Form 13F filings · as of 2026-06-30