Fund Holdings — WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Total Portfolio Value
$30.26B
Total Bought
$4.36B
Total Sold
$9.97B
Net Transaction
-$5.60B
Filing Period:
Securities
▲▼
SharesValue ($K)
Q4 2025
▲▼
Q1 2026
▲▼
Change
▲▼
Q4 2025
▲▼
Q1 2026
▲▼
Weight (%)
▲▼
Change
▲▼
ASTRAZENECA PLC(AZN)01,942,155+1,942,1550377,3411.25%+377,341
AKAMAI TECHNOLOGIES INC(AKAM)01,619,060+1,619,0600185,9490.61%+185,949
BORGWARNER INC02,884,062+2,884,0620156,4890.52%+156,489
AMPHENOL CORP01,077,434+1,077,4340136,1340.45%+136,134
POWER INTEGRATIONS INC(POWI)02,380,677+2,380,6770121,8910.40%+121,891
STERLING INFRASTRUCTURE INC(STRL)41,254323,421+282,16712,633131,7200.44%+119,086
SYNAPTICS INC(SYNA)01,586,244+1,586,2440111,1010.37%+111,101
LITTELFUSE INC(LFUS)0304,575+304,5750103,3580.34%+103,358
C H ROBINSON WORLDWIDE IN(CHRW)437,5011,041,658+604,15770,333172,9880.57%+102,655
MILLICOM INTL CELLULAR S A
COM STK
125,1751,405,608+1,280,4336,940105,3360.35%+98,397
NATIONAL BK HLDGS CORP(NBHC)02,474,861+2,474,861096,9160.32%+96,916
BIRKENSTOCK HOLDING PLC(BIRK)02,575,402+2,575,402092,2770.30%+92,277
GRAND CANYON ED INC(LOPE)453,140979,734+526,59475,362166,5840.55%+91,222
KENNAMETAL INC(KMT)02,482,535+2,482,535089,6940.30%+89,694
GUARDANT HEALTH INC(GH)0951,114+951,114087,8540.29%+87,854
CASEYS GEN STORES INC(CASY)0118,098+118,098085,9590.28%+85,959
CULLEN FROST BANKERS INC(CFR)0611,831+611,831083,8700.28%+83,870
TEXAS INSTRS INC(TXN)0424,195+424,195082,3530.27%+82,353
NEXTPOWER INC1,362,7941,622,489+259,695118,713195,5910.65%+76,878
CYTOKINETICS INC(CYTK)01,087,591+1,087,591071,6830.24%+71,683
API GROUP CORP(APG)01,740,449+1,740,449070,5230.23%+70,523
TOTALENERGIES SE(TTE)164,875853,751+688,87610,75379,7950.26%+69,042
SOUTHERN COPPER CORP(SCCO)0367,998+367,998063,3180.21%+63,318
TWIST BIOSCIENCE CORP(TWST)5,954,4295,269,718-684,711188,874250,4170.83%+61,543
SAIA INC(SAIA)0170,145+170,145059,7690.20%+59,769
CAVA GROUP INC(CAVA)2,419,2472,393,971-25,276141,986193,6720.64%+51,687
TEREX CORP NEW(TEX)0853,618+853,618050,4490.17%+50,449
REGAL REXNORD CORPORATION(RRX)759,283837,493+78,210106,543156,8290.52%+50,286
STEPSTONE GROUP INC(STEP)670,1921,914,477+1,244,28543,00691,3590.30%+48,353
F5 INC(FFIV)550,264649,948+99,684140,460188,0490.62%+47,589
CLEAN HARBORS INC(CLH)339,351443,098+103,74779,571127,0490.42%+47,478
TAIWAN SEMICONDUCTOR MANUFAC(TSM)5,985,3305,518,260-467,0701,818,6921,865,4456.16%+46,753
ALIGNMENT HEALTHCARE INC(ALHC)2,305,2555,214,614+2,909,35945,52991,8810.30%+46,353
GOLD FIELDS LTD(GFI)25,6761,024,824+999,1481,12146,5420.15%+45,421
TEVA PHARMACEUTICAL INDS LTD(TEVA)01,425,667+1,425,667042,9440.14%+42,944
VISTA ENERGY S.A.B. DE C.V.(VIST)0556,283+556,283042,0170.14%+42,017
RELIANCE INC(RS)280,335403,487+123,15280,980122,6280.41%+41,647
LINDE PLC(LIN)643,470636,338-7,132274,369315,4711.04%+41,102
PRIMO BRANDS CORPORATION(PRMB)12,627,42013,056,192+428,772206,458245,8480.81%+39,390
HALOZYME THERAPEUTICS INC(HALO)1,842,9562,525,975+683,019124,031163,2540.54%+39,223
LATTICE SEMICONDUCTOR CORP(LSCC)2,125,2602,043,720-81,540156,377189,5750.63%+33,199
MUELLER INDS INC(MLI)1,779,9062,109,729+329,823204,333233,7580.77%+29,425
HELIOS TECHNOLOGIES INC(HLIO)587,343931,008+343,66531,41760,2460.20%+28,829
MARRIOTT INTL INC NEW(MAR)084,631+84,631027,6800.09%+27,680
LANDBRIDGE COMPANY LLC(LB)690,291887,466+197,17533,81761,2800.20%+27,462
CATHAY GEN BANCORP(CATY)0533,448+533,448026,5980.09%+26,598
KNIGHT-SWIFT TRANSN HLDGS IN(KNX)544,239943,286+399,04728,45354,3140.18%+25,862
MDA SPACE LTD(MDA)0963,494+963,494024,4120.08%+24,412
MCGRATH RENTCORP(MGRC)0219,784+219,784024,2380.08%+24,238
TREX INC(TREX)0647,178+647,178023,5700.08%+23,570
CONSTELLIUM SE(CSTM)0918,090+918,090022,5670.07%+22,567
MATADOR RES CO(MTDR)416,308622,880+206,57217,66839,3540.13%+21,685
RYANAIR HOLDINGS PLC(RYAAY)50,868420,246+369,3783,67224,2920.08%+20,620
COSTCO WHOLESALE CORPORATION(COST)328,468302,468-26,000283,251301,3881.00%+18,137
BENTLEY SYS INC(BSY)2,615,1733,322,723+707,55099,808116,6940.39%+16,886
I3 VERTICALS INC(IIIV)386,3851,176,960+790,5759,73326,3170.09%+16,584
WINGSTOP INC(WING)098,480+98,480015,2610.05%+15,261
MOTOROLA SOLUTIONS INC(MSI)20,53251,961+31,4297,87022,5500.07%+14,679
AVERY DENNISON CORP084,465+84,465014,5850.05%+14,585
VERISK ANALYTICS INC(VRSK)399,551547,504+147,95389,376103,8890.34%+14,513
WYNDHAM HOTELS & RESORTS INC(WH)279,374435,565+156,19121,10935,3810.12%+14,271
TEXAS ROADHOUSE INC(TXRH)082,567+82,567013,6350.05%+13,635
JAZZ PHARMACEUTICALS PLC(JAZZ)070,883+70,883013,4000.04%+13,400
INNOVIVA INC(INVA)0574,825+574,825013,3930.04%+13,393
BLOOM ENERGY CORP348,192317,721-30,47130,25443,0480.14%+12,794
PROGYNY INC0739,790+739,790012,5620.04%+12,562
KRYSTAL BIOTECH INC(KRYS)376,340407,178+30,83892,783105,1820.35%+12,399
SKYWEST INC(SKYW)0134,374+134,374012,3400.04%+12,340
MALIBU BOATS INC(MBUU)0475,796+475,796012,3330.04%+12,333
AMPRIUS TECHNOLOGIES INC(AMPX)984,9061,170,131+185,2257,77119,7280.07%+11,958
VALVOLINE INC(VVV)699,727958,268+258,54120,33432,2740.11%+11,940
COGNEX CORP(CGNX)1,053,2801,016,463-36,81737,89749,7970.16%+11,900
CATALYST PHARMACEUTICALS INC0479,041+479,041011,8610.04%+11,861
M/I HOMES INC(MHO)095,098+95,098011,6450.04%+11,645
FB FINL CORP(FBK)483,200720,893+237,69326,96337,4430.12%+10,481
ATLANTIC UN BANKSHARES CORP(AUB)1,111,2441,380,238+268,99439,22749,3300.16%+10,103
SILA REALTY TRUST INC980,1801,387,324+407,14422,84832,8520.11%+10,004
AURA MINERALS INC(AUGO)496,303428,060-68,24325,02134,9300.12%+9,909
EXPRO GROUP HOLDINGS NV2,135,5392,204,291+68,75228,50938,3770.13%+9,867
PBF ENERGY INC(PBF)846,054686,814-159,24022,94532,7060.11%+9,761
TASEKO MINES LTD(TGB)01,513,112+1,513,11209,7600.03%+9,760
ISHARES TR7,56038,173+30,6132,44211,9790.04%+9,537
VISHAY INTERTECHNOLOGY INC(VSH)1,594,4491,803,297+208,84823,10432,4590.11%+9,356
BWX TECHNOLOGIES INC(BWXT)1,107,600981,782-125,818191,438200,7650.66%+9,327
AEHR TEST SYS(AEHR)495,672513,293+17,62110,00819,0330.06%+9,025
AVNET INC538,841556,770+17,92925,90734,3080.11%+8,401
PRICESMART INC(PSMT)052,991+52,99107,9750.03%+7,975
V2X INC(VVX)470,846486,480+15,63425,68533,3240.11%+7,639
BALCHEM CORP298,986315,260+16,27445,85253,4300.18%+7,578
MATSON INC(MATX)161,560167,129+5,56919,96127,3990.09%+7,438
WILEY JOHN & SONS INC(WLY)794,900821,987+27,08724,34831,3180.10%+6,970
DIODES INC(DIOD)472,125441,562-30,56323,29530,1410.10%+6,846
CARPENTER TECHNOLOGY CORP(CRS)417,559350,896-66,663131,464138,3060.46%+6,841
HUB GROUP INC(HUBG)625,894925,602+299,70826,66933,3590.11%+6,689
HANOVER INS GROUP INC(THG)149,219195,760+46,54127,27333,9350.11%+6,662
KNOWLES CORP(KN)1,233,3461,274,700+41,35426,43132,7340.11%+6,304
ARGENX SE(ARGX)223,666266,067+42,401188,071194,3640.64%+6,293
HAWKINS INC(HWKN)134,439165,269+30,83019,09825,3850.08%+6,287
ESAB CORPORATION(ESAB)205,018301,883+96,86522,90529,1800.10%+6,275
PERELLA WEINBERG PARTNERS(PWP)3,946,1634,076,313+130,15068,26974,0260.24%+5,757
Page 1 of 5
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC — 13F Holdings — Q1 2026 | TickerTrail