BLAIR WILLIAM & CO/IL

CIK
902367
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,174 positions · $28,696,806,188 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
AAPL
Apple Inc.
Technology
5,930,914 $1,505,206,664 5.25%
MSFT
Microsoft Corp
Technology
3,498,110 $1,294,895,378 4.51%
AMZN
Amazon Com Inc
Consumer Cyclical
6,057,938 $1,261,686,747 4.40%
NVDA
Nvidia Corp
Technology
5,427,875 $946,621,400 3.30%
GOOGL
Alphabet Inc.
Communication Services
2,436,117 $700,529,804 2.44%
JPM
Jpmorgan Chase & Co
Financial Services
2,307,253 $678,701,542 2.37%
GEV
GE Vernova Inc.
Industrials
664,603 $580,131,958 2.02%
V
Visa Inc.
Financial Services
1,844,583 $557,506,765 1.94%
SPY
Spdr S&P 500 ETF Trust
845,294 $549,728,499 1.92%
IDXX
Idexx Laboratories Inc /De
Healthcare
946,336 $531,736,735 1.85%

Portfolio Trend

25 quarters · across all stocks

Holdings in AEF

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Shares Held

Position Value (USD)

25 of 25 shown
Report Date Value (USD) Shares
2026-03-31 $120,562 16,538
2025-12-31 $115,829 16,547
2025-09-30 $107,133 16,533
2025-06-30 $98,265 16,543
2025-03-31 $85,143 17,166
2024-12-31 $91,302 17,592
2024-09-30 $144,790 25,672
2024-06-30 $135,442 25,652
2024-03-31 $140,157 27,754
2023-12-31 $155,573 30,445
2023-09-30 $146,653 30,745
2023-06-30 $160,485 30,922
2023-03-31 $176,065 32,848
2022-12-31 $169,048 32,825
2022-09-30 $165,315 36,095
2022-06-30 $221,904 40,200
2022-03-31 $272,025 40,181
2021-12-31 $317,932 40,143
2021-09-30 $335,562 40,332
2021-06-30 $373,891 41,314
2021-03-31 $358,741 41,473
2020-12-31 $333,091 40,820
2020-09-30 $223,741 34,528
2020-06-30 $230,396 38,082
2020-03-31 $197,264 38,082