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Portfolio (Quarterly) Guide ↗

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

· CIK 0001644956
13F Portfolio $30.3B AUM 413 positions Filed May 8, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 47 New 150 Added 201 Reduced 47 Exited
Page 4 of 21  ·  413 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
61 LECO LINCOLN ELEC HLDGS INC Industrials 534,851.0 $133.2M 0.44% -75K -12.3% $249.08 +5.5%
62 STRL STERLING INFRASTRUCTURE INC Industrials 323,421.0 $131.7M 0.43% +282K +684.0% $407.27 +117.7%
63 MELI MERCADOLIBRE INC Consumer Cyclical 74,849.0 $129.4M 0.43% -91K -54.8% $1729.02 -6.4%
64 TECH BIO-TECHNE CORP Healthcare 2,462,487.0 $128.7M 0.42% +64K +2.7% $52.26 +1.6%
65 CLH CLEAN HARBORS INC Industrials 443,098.0 $127.0M 0.42% +104K +30.6% $286.73 -2.5%
66 CMG CHIPOTLE MEXICAN GRILL INC Consumer Cyclical 3,910,673.0 $125.2M 0.41% +598K +18.0% $32.01 -7.7%
67 RS RELIANCE INC Basic Materials 403,487.0 $122.6M 0.41% +123K +43.9% $303.92 +30.1%
68 POWI POWER INTEGRATIONS INC Technology 2,380,677.0 $121.9M 0.40% NEW $51.20 +47.9%
69 EXP EAGLE MATLS INC Basic Materials 630,392.0 $119.4M 0.40% +72K +12.8% $189.45 +10.0%
70 DT DYNATRACE INC Technology 3,229,051.0 $119.4M 0.40% $36.98 +13.3%
71 BSY BENTLEY SYS INC Technology 3,322,723.0 $116.7M 0.39% +708K +27.1% $35.12 -5.6%
72 GKOS GLAUKOS CORP Healthcare 1,073,819.0 $115.6M 0.38% -33K -3.0% $107.66 +14.6%
73 FHN FIRST HORIZON CORPORATION Financial Services 5,058,092.0 $115.1M 0.38% -278K -5.2% $22.76 +6.8%
74 SN SHARKNINJA INC Consumer Cyclical 1,073,384.0 $113.7M 0.38% -163K -13.2% $105.90 +12.2%
75 VEEV VEEVA SYS INC Healthcare 643,325.0 $113.0M 0.37% -238K -27.0% $175.66 -4.5%
76 DOCS DOXIMITY INC Healthcare 4,834,220.0 $112.6M 0.37% -623K -11.4% $23.30 -12.5%
77 SYNA SYNAPTICS INC Technology 1,586,244.0 $111.1M 0.37% NEW $70.04 +91.9%
78 EYE NATIONAL VISION HLDGS INC Consumer Cyclical 4,225,766.0 $109.4M 0.36% -285K -6.3% $25.90 -38.2%
79 PLNT PLANET FITNESS MASTER ISSUER Consumer Cyclical 1,452,642.0 $108.0M 0.36% $74.38 -31.7%
80 DIEBOLD NIXDORF INC 1,426,464.0 $107.6M 0.36% -376K -20.9% $75.44
Page 4 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 36.8%
Industrials 12.9%
Healthcare 12.5%
Consumer Cyclical 9.9%
Financial Services 9.9%
Communication Services 5.1%
Consumer Defensive 4.4%
Basic Materials 4.3%
Energy 1.8%
Real Estate 1.3%