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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 3 of 35  ·  689 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
41 ITW ILLINOIS TOOL WKS INC Industrials 360,320.0 $93.8M 0.27% -9K -2.5% $260.29 +1.5%
42 AMT AMERICAN TOWER CORP Real Estate 470,128.0 $81.1M 0.23% -208K -30.7% $172.58 +2.0%
43 TYL TYLER TECHNOLOGIES INC Technology 227,378.0 $77.8M 0.22% -185K -44.9% $342.38 -18.5%
44 IRTC IRHYTHM HOLDINGS INC Healthcare 628,385.0 $74.2M 0.21% -90K -12.6% $118.02 -11.3%
45 CRM SALESFORCE INC Technology 389,008.0 $72.6M 0.21% -163K -29.5% $186.67 -18.7%
46 VRSK VERISK ANALYTICS INC Industrials 380,106.0 $72.1M 0.21% -6K -1.6% $189.75 -7.6%
47 IWV ISHARES TR 194,240.0 $72.0M 0.21% -4K -2.2% $370.68 +14.6%
48 WAB WABTEC Industrials 283,859.0 $70.9M 0.20% -11K -3.8% $249.91 +8.8%
49 MDB MONGODB INC Technology 270,982.0 $66.3M 0.19% -23K -7.8% $244.77 +35.9%
50 INTU INTUIT Technology 152,554.0 $66.0M 0.19% -91K -37.5% $432.38 -38.2%
51 ACN ACCENTURE PLC IRELAND Technology 326,073.0 $64.7M 0.18% -76K -18.9% $198.29 -35.5%
52 QCOM QUALCOMM INC Technology 486,969.0 $62.7M 0.18% -56K -10.3% $128.78 +75.6%
53 ULS UL SOLUTIONS INC Industrials 725,672.0 $62.2M 0.18% -116K -13.8% $85.71 +6.6%
54 SPGI S&P GLOBAL INC Financial Services 143,223.0 $60.9M 0.17% -68K -32.2% $425.34 -3.4%
55 LOW LOWES COS INC Consumer Cyclical 256,414.0 $60.6M 0.17% -49K -16.1% $236.28 -6.0%
56 GE GE AEROSPACE Industrials 201,509.0 $57.2M 0.16% -2K -0.9% $283.77 +26.0%
57 BLK BLACKROCK INC Financial Services 59,288.0 $57.0M 0.16% -7K -11.0% $961.71 +9.2%
58 APP APPLOVIN CORP Technology 139,951.0 $55.7M 0.16% -154K -52.5% $398.00 +18.0%
59 RYAN RYAN SPECIALTY HOLDINGS INC Financial Services 1,641,580.0 $55.4M 0.16% -881K -34.9% $33.74 +3.6%
60 AMGN AMGEN INC Healthcare 155,998.0 $54.9M 0.16% -8K -5.0% $351.85 -4.0%
Page 3 of 35  ·  689 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%