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Portfolio (Quarterly) Guide ↗

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

· CIK 0001644956
13F Portfolio $35.9B AUM Filed Feb 9, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 413 New
Page 3 of 21  ·  413 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
41 VEEV VEEVA SYS INC Healthcare 881,223.0 $196.7M 0.55% NEW $223.23 -17.5%
42 QTWO Q2 HLDGS INC Technology 2,694,718.0 $194.5M 0.54% NEW $72.16 -30.4%
43 BWXT BWX TECHNOLOGIES INC Industrials 1,107,600.0 $191.4M 0.53% NEW $172.84 +10.7%
44 TWST TWIST BIOSCIENCE CORP Healthcare 5,954,429.0 $188.9M 0.53% NEW $31.72 +222.4%
45 ARGX ARGENX SE Healthcare 223,666.0 $188.1M 0.53% NEW $840.86 +8.2%
46 THE BALDWIN INSURANCE GRP IN 7,543,813.0 $181.3M 0.51% NEW $24.03
47 CCJ CAMECO CORP Energy 1,980,827.0 $181.2M 0.51% NEW $91.49 +6.4%
48 BCO BRINKS CO Industrials 1,544,641.0 $180.3M 0.50% NEW $116.73 -15.2%
49 CPRT COPART INC Industrials 4,585,833.0 $179.5M 0.50% NEW $39.15 -26.5%
50 WAY WAYSTAR HLDG CORP Technology 5,282,220.0 $173.0M 0.48% NEW $32.75 -37.3%
51 HQY HEALTHEQUITY INC Healthcare 1,855,208.0 $170.0M 0.47% NEW $91.61 +0.7%
52 MLM MARTIN MARIETTA MATLS INC Basic Materials 270,203.0 $168.2M 0.47% NEW $622.66 -7.0%
53 COHR COHERENT CORP Technology 873,060.0 $161.1M 0.45% NEW $184.57 +99.7%
54 PLNT PLANET FITNESS INC Consumer Cyclical 1,459,295.0 $158.3M 0.44% NEW $108.47 -51.4%
55 LSCC LATTICE SEMICONDUCTOR CORP Technology 2,125,260.0 $156.4M 0.44% NEW $73.58 +98.8%
56 CW CURTISS WRIGHT CORP Industrials 277,837.0 $153.2M 0.43% NEW $551.27 +37.5%
57 DCI DONALDSON INC Industrials 1,707,872.0 $151.4M 0.42% NEW $88.66 -0.2%
58 FOLD AMICUS THERAPEUTICS INC Healthcare 10,627,717.0 $151.3M 0.42% NEW $14.24 +1.8%
59 APPF APPFOLIO INC Technology 638,241.0 $148.5M 0.41% NEW $232.65 -29.2%
60 CHE CHEMED CORP NEW Healthcare 344,807.0 $147.5M 0.41% NEW $427.86 +12.4%
Page 3 of 21  ·  413 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 39.2%
Healthcare 12.0%
Consumer Cyclical 11.0%
Industrials 10.7%
Financial Services 10.4%
Communication Services 5.8%
Consumer Defensive 4.0%
Basic Materials 3.1%
Real Estate 1.4%
Energy 1.2%