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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
Q2 2026 Q1 2026 · All 155 New 708 Added 689 Reduced
Page 1 of 8  ·  155 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 AZN ASTRAZENECA PLC Healthcare 100,622.0 $19.8M 0.06% NEW — $197.22 -16.6%
2 SIMO SILICON MOTION TECHNOLOGY CO Technology 103,179.0 $11.6M 0.03% NEW — $112.29 +145.0%
3 GH GUARDANT HEALTH INC Healthcare 103,644.0 $9.6M 0.03% NEW — $92.37 +91.0%
4 — SOLID BIOSCIENCES INC — 651,216.0 $4.7M 0.01% NEW — $7.20 —
5 RYN RAYONIER INC Real Estate 130,939.0 $2.7M 0.01% NEW — $20.62 -7.6%
6 EXPO EXPONENT INC Industrials 28,806.0 $1.9M 0.01% NEW — $65.25 -1.2%
7 RLI RLI CORP Financial Services 31,573.0 $1.8M 0.01% NEW — $57.04 -1.6%
8 ICFI ICF INTL INC Industrials 23,784.0 $1.6M 0.00% NEW — $65.29 +27.1%
9 BLDR BUILDERS FIRSTSOURCE INC Industrials 13,450.0 $1.1M 0.00% NEW — $82.33 -29.2%
10 SUNB SUNBELT RENTALS HOLDINGS INC Financial Services 16,200.0 $1.1M 0.00% NEW — $65.09 +11.8%
11 PINE ALPINE INCOME PPTY TR INC Real Estate 57,515.0 $1.0M 0.00% NEW — $18.00 -5.7%
12 DFTX DEFINIUM THERAPEUTICS INC Healthcare 53,695.0 $1.0M 0.00% NEW — $18.90 +94.3%
13 AOM ISHARES TR — 20,981.0 $994K 0.00% NEW — $47.37 +3.5%
14 MANU MANCHESTER UTD PLC NEW Communication Services 57,456.0 $966K 0.00% NEW — $16.82 +24.5%
15 DIOD DIODES INC Technology 14,005.0 $956K 0.00% NEW — $68.26 +38.8%
16 — ATLANTA BRAVES HLDGS INC — 19,604.0 $924K 0.00% NEW — $47.15 —
17 — MACH NATURAL RESOURCES LP — 62,429.0 $874K 0.00% NEW — $14.00 —
18 AR ANTERO RESOURCES CORP Energy 19,020.0 $807K 0.00% NEW — $42.44 -15.0%
19 NOG NORTHERN OIL & GAS INC Energy 27,380.0 $800K 0.00% NEW — $29.23 -19.3%
20 CRL CHARLES RIV LABS INTL INC Healthcare 4,575.0 $789K 0.00% NEW — $172.48 +70.7%
Page 1 of 8  ·  155 positions

① 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 25.9%
Financial Services 17.8%
Industrials 15.6%
Healthcare 13.0%
Consumer Cyclical 8.9%
Communication Services 5.5%
Consumer Defensive 5.0%
Utilities 2.6%
Energy 2.4%
Basic Materials 2.1%