Fund Holdings — WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Total Portfolio Value:
$30.26B
Total Bought:
$4.36B
Total Sold:
$9.97B
Net Transaction:
-$5.60B
Notable People:
Brent Walker Gledhill
Securities
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SharesValue
Q4 2025
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Q1 2026
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Change
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Q4 2025
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Q1 2026
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Weight (%)
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Change
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Taiwan Semiconductor Manufacturing Company LimitedADS(TSM)5,985,3305,518,260-467,070$1.82B$1.87B6.16%+$46.75M
NVIDIA Corporation(NVDA)10,628,6678,941,756-1,686,911$1.98B$1.56B5.15%-$422.80M
Apple Inc.(AAPL)5,444,3284,812,433-631,895$1.48B$1.22B4.04%-$258.75M
Microsoft Corporation(MSFT)3,490,3022,896,782-593,520$1.69B$1.07B3.54%-$615.68M
Alphabet Inc.CL A(GOOG)3,154,9732,504,605-650,368$987.51M$720.22M2.38%-$267.28M
Broadcom Inc.(AVGO)2,536,6112,201,558-335,053$877.92M$681.40M2.25%-$196.52M
Amazon.com, Inc.(AMZN)4,387,0033,163,629-1,223,374$1.01B$658.89M2.18%-$353.72M
Meta Platforms, Inc.CL A(META)1,186,7691,013,122-173,647$783.37M$579.64M1.92%-$203.74M
Mastercard IncorporatedCL A(MA)1,084,9471,060,651-24,296$619.37M$529.96M1.75%-$89.41M
AstraZeneca PLC(AZN)01,942,155+1,942,155$0$377.34M1.25%+$377.34M
Linde plcSHS(LIN)643,470636,338-7,132$274.37M$315.47M1.04%+$41.10M
The Carlyle Group Inc.(CG)7,131,9026,301,109-830,793$421.57M$304.91M1.01%-$116.66M
Costco Wholesale Corporation(COST)328,468302,468-26,000$283.25M$301.39M1.00%+$18.14M
Itaú Unibanco Holding S.A.ADR(ITUB)36,551,76331,684,708-4,867,055$261.68M$265.63M0.88%+$3.95M
Twist Bioscience Corporation(TWST)5,954,4295,269,718-684,711$188.87M$250.42M0.83%+$61.54M
ServiceNow, Inc.(NOW)2,148,7802,371,614+222,834$329.17M$247.95M0.82%-$81.22M
Primo Brands CorporationCL A(PRMB)12,627,42013,056,192+428,772$206.46M$245.85M0.81%+$39.39M
Mueller Industries, Inc.(MLI)1,779,9062,109,729+329,823$204.33M$233.76M0.77%+$29.42M
Intuit Inc.(INTU)442,391533,736+91,345$293.05M$230.78M0.76%-$62.27M
Monster Beverage Corporation(MNST)3,761,2492,935,247-826,002$288.37M$212.69M0.70%-$75.69M
Advanced Micro Devices, Inc.(AMD)1,339,5461,042,594-296,952$286.88M$212.09M0.70%-$74.78M
Credicorp Ltd.(BAP)767,413622,690-144,723$220.25M$211.20M0.70%-$9.04M
Agilent Technologies, Inc.(A)2,063,0091,795,764-267,245$280.71M$204.68M0.68%-$76.03M
O'Reilly Automotive, Inc.(ORLY)2,981,5072,210,034-771,473$271.94M$204.01M0.67%-$67.94M
BWX Technologies, Inc.(BWXT)1,107,600981,782-125,818$191.44M$200.76M0.66%+$9.33M
TransUnion(TRU)3,965,4952,891,187-1,074,308$340.04M$200.04M0.66%-$140.00M
Onto Innovation Inc.(ONTO)1,726,587964,213-762,374$272.56M$197.73M0.65%-$74.83M
IDEXX Laboratories, Inc.(IDXX)441,324351,621-89,703$298.57M$197.57M0.65%-$101.00M
Nextpower IncCL A1,362,7941,622,489+259,695$118.71M$195.59M0.65%+$76.88M
argenx SEADR(ARGX)223,666266,067+42,401$188.07M$194.36M0.64%+$6.29M
CAVA Group, Inc.(CAVA)2,419,2472,393,971-25,276$141.99M$193.67M0.64%+$51.69M
Lattice Semiconductor Corporation(LSCC)2,125,2602,043,720-81,540$156.38M$189.58M0.63%+$33.20M
F5, Inc.(FFIV)550,264649,948+99,684$140.46M$188.05M0.62%+$47.59M
Akamai Technologies, Inc.(AKAM)01,619,060+1,619,060$0$185.95M0.61%+$185.95M
Cameco Corporation(CCJ)1,980,8271,682,303-298,524$181.23M$182.71M0.60%+$1.49M
UnitedHealth Group Incorporated(UNH)762,243673,263-88,980$251.62M$182.18M0.60%-$69.45M
Madrigal Pharmaceuticals, Inc.(MDGL)354,220340,519-13,701$206.28M$178.25M0.59%-$28.02M
Nu Holdings Ltd.CL A(NU)18,699,36712,267,600-6,431,767$313.03M$176.29M0.58%-$136.74M
Globus Medical, Inc.CL A(GMED)2,519,7822,009,763-510,019$220.00M$173.16M0.57%-$46.84M
C.H. Robinson Worldwide, Inc.(CHRW)437,5011,041,658+604,157$70.33M$172.99M0.57%+$102.66M
Everpure, Inc.CL A(P)3,742,9282,881,481-861,447$250.81M$170.12M0.56%-$80.69M
Snowflake Inc.(SNOW)1,346,9981,127,525-219,473$295.48M$170.05M0.56%-$125.42M
Talen Energy Corporation(TLN)569,399525,214-44,185$213.43M$167.66M0.55%-$45.77M
Grand Canyon Education, Inc.(LOPE)453,140979,734+526,594$75.36M$166.58M0.55%+$91.22M
Everest Group, Ltd.(EG)584,301506,166-78,135$198.28M$165.44M0.55%-$32.84M
Halozyme Therapeutics, Inc.(HALO)1,842,9562,525,975+683,019$124.03M$163.25M0.54%+$39.22M
Martin Marietta Materials, Inc.(MLM)270,203272,392+2,189$168.24M$160.35M0.53%-$7.89M
Coherent Corp.(COHR)873,060668,137-204,923$161.14M$159.16M0.53%-$1.98M
Curtiss-Wright Corporation(CW)277,837232,069-45,768$153.16M$158.07M0.52%+$4.90M
Regal Rexnord Corporation(RRX)759,283837,493+78,210$106.54M$156.83M0.52%+$50.29M
Borgwarner Inc02,884,062+2,884,062$0$156.49M0.52%+$156.49M
Ciena Corporation(CIEN)1,098,593398,579-700,014$256.93M$154.74M0.51%-$102.19M
The Baldwin Insurance Group, Inc.CL A(BWIN)7,543,8136,794,492-749,321$181.28M$149.07M0.49%-$32.21M
Insmed Incorporated(INSM)1,221,096902,666-318,430$212.52M$147.60M0.49%-$64.92M
nVent Electric plcSHS(NVT)1,375,1591,233,874-141,285$140.22M$145.94M0.48%+$5.72M
Copart, Inc.(CPRT)4,585,8334,394,187-191,646$179.54M$145.89M0.48%-$33.65M
HealthEquity, Inc.(HQY)1,855,2081,659,616-195,592$169.96M$138.69M0.46%-$31.26M
Carpenter Technology Corporation(CRS)417,559350,896-66,663$131.46M$138.31M0.46%+$6.84M
Donaldson Company, Inc.(DCI)1,707,8721,615,349-92,523$151.42M$137.09M0.45%-$14.33M
Amphenol CorpCL A01,077,434+1,077,434$0$136.13M0.45%+$136.13M
Lincoln Electric Holdings, Inc.(LECO)609,812534,851-74,961$146.14M$133.22M0.44%-$12.91M
Sterling Infrastructure, Inc.(STRL)41,254323,421+282,167$12.63M$131.72M0.44%+$119.09M
MercadoLibre, Inc.(MELI)165,57974,849-90,730$333.52M$129.42M0.43%-$204.10M
Bio-Techne Corporation(TECH)2,398,2652,462,487+64,222$141.04M$128.69M0.43%-$12.35M
Clean Harbors, Inc.(CLH)339,351443,098+103,747$79.57M$127.05M0.42%+$47.48M
Chipotle Mexican Grill, Inc.(CMG)3,313,0413,910,673+597,632$122.58M$125.18M0.41%+$2.60M
Reliance, Inc.(RS)280,335403,487+123,152$80.98M$122.63M0.41%+$41.65M
Power Integrations, Inc.(POWI)02,380,677+2,380,677$0$121.89M0.40%+$121.89M
Eagle Materials Inc.(EXP)558,744630,392+71,648$115.48M$119.43M0.39%+$3.95M
Dynatrace, Inc.(DT)3,215,8533,229,051+13,198$139.38M$119.41M0.39%-$19.96M
Bentley Systems, IncorporatedCL B(BSY)2,615,1733,322,723+707,550$99.81M$116.69M0.39%+$16.89M
Glaukos Corporation(GKOS)1,106,9181,073,819-33,099$124.98M$115.61M0.38%-$9.37M
First Horizon Corporation(FHN)5,336,0215,058,092-277,929$127.53M$115.12M0.38%-$12.41M
SharkNinja, Inc.(SN)1,236,3211,073,384-162,937$138.34M$113.67M0.38%-$24.67M
Veeva Systems Inc.CL A(VEEV)881,223643,325-237,898$196.72M$113.01M0.37%-$83.71M
Doximity, Inc.CL A(DOCS)5,456,9854,834,220-622,765$241.64M$112.64M0.37%-$129.00M
Synaptics Incorporated(SYNA)01,586,244+1,586,244$0$111.10M0.37%+$111.10M
National Vision Holdings, Inc.(EYE)4,510,8954,225,766-285,129$116.47M$109.45M0.36%-$7.02M
Planet Fitness, Inc.CL A(PLNT)1,459,2951,452,642-6,653$158.29M$108.05M0.36%-$50.24M
Diebold Nixdorf, Incorporated(DBD)1,802,5711,426,464-376,107$122.38M$107.61M0.36%-$14.76M
Freshpet, Inc.(FRPT)1,952,7671,813,185-139,582$118.98M$106.91M0.35%-$12.08M
Millicom Intl Cellular S A
COM STK
125,1751,405,608+1,280,433$6.94M$105.34M0.35%+$98.40M
Krystal Biotech, Inc.(KRYS)376,340407,178+30,838$92.78M$105.18M0.35%+$12.40M
Garrett Motion Inc.(GTX)6,059,2875,762,697-296,590$105.61M$104.71M0.35%-$905.2K
Verisk Analytics, Inc.(VRSK)399,551547,504+147,953$89.38M$103.89M0.34%+$14.51M
Littelfuse, Inc.(LFUS)0304,575+304,575$0$103.36M0.34%+$103.36M
AppFolio, Inc.CL A(APPF)638,241643,231+4,990$148.49M$101.51M0.34%-$46.97M
Casella Waste Systems, Inc.CL A(CWST)1,468,2061,257,092-211,114$143.80M$99.74M0.33%-$44.06M
Churchill Downs Incorporated(CHDN)1,145,4131,093,389-52,024$130.33M$98.22M0.32%-$32.11M
National Bank Holdings CorporationCL A(NBHC)02,474,861+2,474,861$0$96.92M0.32%+$96.92M
Novanta Inc.(NOVT)908,906783,084-125,822$108.15M$92.49M0.31%-$15.66M
Birkenstock Holding plc(BIRK)02,575,402+2,575,402$0$92.28M0.30%+$92.28M
Alignment Healthcare, Inc.(ALHC)2,305,2555,214,614+2,909,359$45.53M$91.88M0.30%+$46.35M
Pool Corporation(POOL)519,836452,273-67,563$118.91M$91.51M0.30%-$27.40M
StepStone Group Inc.CL A(STEP)670,1921,914,477+1,244,285$43.01M$91.36M0.30%+$48.35M
Advanced Drainage Systems, Inc.(WMS)688,047655,684-32,363$99.65M$89.91M0.30%-$9.74M
Kennametal Inc.(KMT)02,482,535+2,482,535$0$89.69M0.30%+$89.69M
Guardant Health, Inc.(GH)0951,114+951,114$0$87.85M0.29%+$87.85M
Old National Bancorp(ONB)5,957,9363,894,798-2,063,138$132.92M$86.08M0.28%-$46.85M
FabrinetSHS(FN)200,324164,830-35,494$91.20M$85.96M0.28%-$5.24M
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