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Portfolio (Quarterly) Guide ↗

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

· CIK 0001644956
13F Portfolio $33.3B AUM 403 positions Filed Aug 12, 2026 EDGAR ↗ ← All Funds
Q2 2026 Q1 2026 · All 47 New 100 Added 228 Reduced 57 Exited
Page 1 of 3  ·  47 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 GE GE AEROSPACE Industrials 790,801.0 $295.5M 0.89% NEW $373.73 -6.8%
2 CRWD CROWDSTRIKE HLDGS INC Technology 281,409.0 $214.8M 0.65% NEW $190.78 +0.6%
3 STX SEAGATE TECHNOLOGY HLDNGS PL Technology 190,847.0 $184.2M 0.55% NEW $965.00 -11.9%
4 CNQ CANADIAN NAT RES LTD MED TER Energy 3,635,082.0 $143.7M 0.43% NEW $39.53 +30.0%
5 FPS FORGENT POWER SOLUTIONS INC Industrials 2,516,270.0 $140.6M 0.42% NEW $55.86 -40.6%
6 PTCT PTC THERAPEUTICS INC Healthcare 1,722,688.0 $140.5M 0.42% NEW $81.57 -14.4%
7 ETSY INC 1,598,520.0 $120.4M 0.36% NEW $75.33
8 RGEN REPLIGEN CORP Healthcare 788,571.0 $107.6M 0.32% NEW $136.44 +32.8%
9 HBM HUDBAY MINERALS INC Basic Materials 4,215,842.0 $99.5M 0.30% NEW $23.61 +27.3%
10 AAOI APPLIED OPTOELECTRONICS INC Technology 504,202.0 $74.7M 0.23% NEW $148.16 -15.8%
11 LRN STRIDE INC Consumer Defensive 823,698.0 $71.0M 0.21% NEW $86.24 -2.2%
12 SPACE EXPLORATION TECHN CORP 349,477.0 $59.7M 0.18% NEW $170.86
13 CRCL CIRCLE INTERNET GROUP INC Financial Services 861,252.0 $53.9M 0.16% NEW $62.63 +40.5%
14 AMERICA MOVIL SAB DE CV 2,010,385.0 $52.2M 0.16% NEW $25.99
15 KRMN KARMAN HLDGS INC Industrials 977,462.0 $48.8M 0.15% NEW $49.92 +7.0%
16 PRIM PRIMORIS SVCS CORP Industrials 399,966.0 $39.6M 0.12% NEW $99.12 -22.1%
17 DPC HOLDINGS PLC 640,005.0 $31.4M 0.09% NEW $49.06
18 GRUPO CIBEST SA 356,370.0 $28.3M 0.09% NEW $79.43
19 WBI WATERBRIDGE INFRASTRUCTURE L Energy 783,780.0 $26.9M 0.08% NEW $34.27 -7.5%
20 RMBS RAMBUS INC DEL Technology 200,116.0 $26.6M 0.08% NEW $132.74 -31.3%
Page 1 of 3  ·  47 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 38.4%
Healthcare 14.2%
Industrials 13.5%
Financial Services 8.6%
Consumer Cyclical 7.7%
Communication Services 5.8%
Consumer Defensive 4.0%
Basic Materials 3.6%
Energy 2.4%
Utilities 1.0%