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Portfolio (Quarterly) Guide ↗

BLAIR WILLIAM & CO/IL

· CIK 0000902367
13F Portfolio $34.9B AUM 1,922 positions Filed May 8, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 155 New 708 Added 689 Reduced 100 Exited
Page 2 of 36  ·  708 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 ANET ARISTA NETWORKS INC Technology 1,151,227.0 $141.3M 0.41% +27K +2.4% $122.78 +38.2%
22 GS GOLDMAN SACHS GROUP INC Financial Services 156,265.0 $132.2M 0.38% +1K +0.8% $845.99 +29.6%
23 PG PROCTER & GAMBLE CO Consumer Defensive 893,933.0 $129.1M 0.37% +25K +2.9% $144.44 +4.1%
24 IBM INTERNATIONAL BUSINESS MACHS Technology 518,457.0 $125.7M 0.36% +47K +10.0% $242.39 +2.8%
25 UNP UNION PAC CORP Industrials 514,829.0 $124.9M 0.36% +44K +9.4% $242.62 +5.9%
26 PWR QUANTA SVCS INC Industrials 225,850.0 $124.0M 0.35% +146K +181.2% $549.02 +27.9%
27 VTI VANGUARD INDEX FDS 372,371.0 $119.5M 0.34% +34K +10.1% $320.81 +15.3%
28 IUSV ISHARES TR 1,165,952.0 $119.2M 0.34% +72K +6.6% $102.25 +7.3%
29 CW CURTISS WRIGHT CORP Industrials 167,027.0 $113.8M 0.33% +10K +6.4% $681.12 +13.3%
30 IWF ISHARES TR 266,026.0 $113.4M 0.33% +3K +1.1% $426.40 -71.1%
31 MU MICRON TECHNOLOGY INC Technology 332,311.0 $112.3M 0.32% +32K +10.8% $337.84 +235.7%
32 TSLA TESLA INC Consumer Cyclical 296,041.0 $110.1M 0.32% +3K +0.9% $371.75 +7.7%
33 MRK MERCK & CO INC Healthcare 901,789.0 $108.5M 0.31% +68K +8.1% $120.29 -5.3%
34 MCD MCDONALDS CORP Consumer Cyclical 348,243.0 $108.2M 0.31% +5K +1.5% $310.79 -10.4%
35 ROK ROCKWELL AUTOMATION INC Industrials 284,067.0 $101.9M 0.29% +5K +1.8% $358.88 +32.0%
36 GD GENERAL DYNAMICS CORP Industrials 292,035.0 $100.2M 0.29% +7K +2.6% $343.22 +2.0%
37 CRWD CROWDSTRIKE HLDGS INC Technology 252,379.0 $98.5M 0.28% +27K +11.8% $390.41 +75.4%
38 EFA ISHARES TR 958,805.0 $93.1M 0.27% +32K +3.4% $97.13 +7.5%
39 HEI HEICO CORP NEW Industrials 336,799.0 $92.4M 0.27% +106K +46.2% $274.20 +22.9%
40 FANG DIAMONDBACK ENERGY INC Energy 445,338.0 $88.1M 0.25% +141K +46.4% $197.79 -7.2%
Page 2 of 36  ·  708 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 25.5%
Financial Services 17.1%
Industrials 15.0%
Healthcare 12.5%
Consumer Cyclical 8.5%
Communication Services 8.2%
Consumer Defensive 4.8%
Utilities 2.5%
Energy 2.5%
Basic Materials 2.1%