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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 2 of 21  ·  413 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 COST COSTCO WHSL CORP NEW Consumer Defensive 328,468.0 $283.3M 0.79% NEW $862.34 +7.2%
22 A AGILENT TECHNOLOGIES INC Healthcare 2,063,009.0 $280.7M 0.78% NEW $136.07 -2.0%
23 LIN LINDE PLC Basic Materials 643,470.0 $274.4M 0.77% NEW $426.39 +25.1%
24 ONTO ONTO INNOVATION INC Technology 1,726,587.0 $272.6M 0.76% NEW $157.86 +122.6%
25 ORLY OREILLY AUTOMOTIVE INC Consumer Cyclical 2,981,507.0 $271.9M 0.76% NEW $91.21 +1.6%
26 ITUB ITAU UNIBANCO HLDG S A Financial Services 36,551,763.0 $261.7M 0.73% NEW $7.16 +13.6%
27 CIEN CIENA CORP Technology 1,098,593.0 $256.9M 0.72% NEW $233.87 +97.7%
28 UNH UNITEDHEALTH GROUP INC Healthcare 762,243.0 $251.6M 0.70% NEW $330.11 +29.2%
29 PSTG PURE STORAGE INC Technology 3,742,928.0 $250.8M 0.70% NEW $67.01 +11.3%
30 ORCL ORACLE CORP Technology 1,256,536.0 $244.9M 0.68% NEW $194.91 -26.9%
31 DOCS DOXIMITY INC Healthcare 5,456,985.0 $241.6M 0.67% NEW $44.28 -51.2%
32 TYL TYLER TECHNOLOGIES INC Technology 495,297.0 $224.8M 0.63% NEW $453.95 -33.5%
33 BAP CREDICORP LTD Financial Services 767,413.0 $220.2M 0.61% NEW $287.00 +34.8%
34 GLOBUS MED INC 2,519,782.0 $220.0M 0.61% NEW $87.31
35 TLN TALEN ENERGY CORP Utilities 569,399.0 $213.4M 0.59% NEW $374.84 -3.7%
36 INSM INSMED INC Healthcare 1,221,096.0 $212.5M 0.59% NEW $174.04 -38.5%
37 PRMB PRIMO BRANDS CORPORATION Consumer Defensive 12,627,420.0 $206.5M 0.58% NEW $16.35 +50.0%
38 MDGL MADRIGAL PHARMACEUTICALS INC Healthcare 354,220.0 $206.3M 0.57% NEW $582.34 -11.7%
39 MLI MUELLER INDS INC Industrials 1,779,906.0 $204.3M 0.57% NEW $114.80 -50.0%
40 EVEREST GROUP LTD 584,301.0 $198.3M 0.55% NEW $339.35
Page 2 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%