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Portfolio (Quarterly) Guide ↗

BLAIR WILLIAM & CO/IL

· CIK 0000902367
13F Portfolio $38.4B AUM 2,054 positions Filed Aug 11, 2026 EDGAR ↗ ← All Funds
Q2 2026 Q1 2026 · All 167 New 809 Added 641 Reduced 91 Exited
Page 1 of 33  ·  641 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 AAPL APPLE INC Technology 5,731,525.0 $1.66B 4.32% -199K -3.4% $289.36 +6.9%
2 AMZN AMAZON COM INC Consumer Cyclical 5,875,124.0 $1.40B 3.65% -183K -3.0% $238.34 +8.5%
3 MSFT MICROSOFT CORP Technology 3,442,574.0 $1.28B 3.35% -56K -1.6% $373.02 +29.5%
4 NVDA NVIDIA CORPORATION Technology 5,374,424.0 $1.08B 2.80% -53K -1.0% $200.09 +7.3%
5 GOOG ALPHABET INC 2,953,724.0 $1.04B 2.72% -82K -2.7% $353.33
6 GOOGL ALPHABET INC Communication Services 2,402,621.0 $858.6M 2.24% -33K -1.4% $357.37 -3.5%
7 GEV GE VERNOVA INC Utilities 659,673.0 $775.0M 2.02% -5K -0.7% $1174.86 -18.6%
8 JPM JPMORGAN CHASE & CO Financial Services 2,270,360.0 $743.2M 1.94% -37K -1.6% $327.33 +7.4%
9 IDXX IDEXX LABS INC Healthcare 918,556.0 $483.6M 1.26% -28K -2.9% $526.44 +5.8%
10 APH AMPHENOL CORP Technology 2,504,409.0 $441.6M 1.15% -16K -0.6% $176.32 -11.0%
11 MA MASTERCARD INCORPORATED Financial Services 842,350.0 $432.6M 1.13% -81K -8.8% $513.60 +13.1%
12 PANW PALO ALTO NETWORKS INC Technology 1,226,519.0 $418.3M 1.09% -78K -6.0% $341.02 +4.9%
13 META META PLATFORMS INC Communication Services 670,881.0 $377.9M 0.98% -51K -7.0% $563.29 -2.4%
14 MU MICRON TECHNOLOGY INC Technology 315,878.0 $364.6M 0.95% -16K -5.0% $1154.29 -16.2%
15 ABBV ABBVIE INC Healthcare 1,287,857.0 $324.1M 0.84% -46K -3.5% $251.64 +5.3%
16 WMT WALMART INC Consumer Defensive 2,270,879.0 $257.2M 0.67% -103K -4.4% $113.26 -8.4%
17 HD HOME DEPOT INC Consumer Cyclical 697,590.0 $246.0M 0.64% -64K -8.4% $352.68 -4.8%
18 BERKSHIRE HATHAWAY INC DEL 483,586.0 $242.0M 0.63% -12K -2.4% $500.39
19 ECL ECOLAB INC Basic Materials 854,294.0 $238.0M 0.62% -12K -1.4% $278.61 +1.1%
20 WSO WATSCO INC Industrials 564,024.0 $235.0M 0.61% -19K -3.2% $416.73 -25.1%
Page 1 of 33  ·  641 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 29.6%
Financial Services 16.7%
Industrials 16.1%
Healthcare 11.5%
Consumer Cyclical 8.5%
Communication Services 5.4%
Consumer Defensive 4.4%
Utilities 3.1%
Basic Materials 2.0%
Energy 1.5%