Fund Holdings

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Filing Period:
Securities
SharesValue ($K)
Q4 2025
Q1 2026
Change
Q4 2025
Q1 2026
Weight (%)
Change
ASTRAZENECA PLC(AZN)01,942,155+1,942,1550377,341,4831.25%+377,341,483
AKAMAI TECHNOLOGIES INC(AKAM)01,619,060+1,619,0600185,949,0410.61%+185,949,041
BORGWARNER INC02,884,062+2,884,0620156,489,2040.52%+156,489,204
AMPHENOL CORP01,077,434+1,077,4340136,133,7860.45%+136,133,786
POWER INTEGRATIONS INC(POWI)02,380,677+2,380,6770121,890,6620.40%+121,890,662
STERLING INFRASTRUCTURE INC(STRL)41,254323,421+282,16712,633,212131,719,6710.44%+119,086,459
SYNAPTICS INC(SYNA)01,586,244+1,586,2440111,100,5300.37%+111,100,530
LITTELFUSE INC(LFUS)0304,575+304,5750103,357,5260.34%+103,357,526
C H ROBINSON WORLDWIDE IN(CHRW)437,5011,041,658+604,15770,332,661172,988,1440.57%+102,655,483
MILLICOM INTL CELLULAR S A
COM STK
125,1751,405,608+1,280,4336,939,702105,336,2640.35%+98,396,562
NATIONAL BK HLDGS CORP(NBHC)02,474,861+2,474,861096,915,5570.32%+96,915,557
BIRKENSTOCK HOLDING PLC(BIRK)02,575,402+2,575,402092,276,6540.30%+92,276,654
GRAND CANYON ED INC(LOPE)453,140979,734+526,59475,361,713166,584,1720.55%+91,222,459
KENNAMETAL INC(KMT)02,482,535+2,482,535089,693,9900.30%+89,693,990
GUARDANT HEALTH INC(GH)0951,114+951,114087,854,4000.29%+87,854,400
CASEYS GEN STORES INC(CASY)0118,098+118,098085,958,8100.28%+85,958,810
CULLEN FROST BANKERS INC(CFR)0611,831+611,831083,869,7930.28%+83,869,793
TEXAS INSTRS INC(TXN)0424,195+424,195082,353,2170.27%+82,353,217
NEXTPOWER INC1,362,7941,622,489+259,695118,712,985195,591,0490.65%+76,878,064
CYTOKINETICS INC(CYTK)01,087,591+1,087,591071,683,1230.24%+71,683,123
API GROUP CORP(APG)01,740,449+1,740,449070,522,9930.23%+70,522,993
TOTALENERGIES SE(TTE)164,875853,751+688,87610,753,32379,795,3280.26%+69,042,005
SOUTHERN COPPER CORP(SCCO)0367,998+367,998063,317,7360.21%+63,317,736
TWIST BIOSCIENCE CORP(TWST)5,954,4295,269,718-684,711188,874,488250,416,9990.83%+61,542,511
SAIA INC(SAIA)0170,145+170,145059,768,5360.20%+59,768,536
CAVA GROUP INC(CAVA)2,419,2472,393,971-25,276141,985,606193,672,2540.64%+51,686,648
TEREX CORP NEW(TEX)0853,618+853,618050,448,8240.17%+50,448,824
REGAL REXNORD CORPORATION(RRX)759,283837,493+78,210106,542,591156,828,9390.52%+50,286,348
STEPSTONE GROUP INC(STEP)670,1921,914,477+1,244,28543,006,22191,358,8420.30%+48,352,621
F5 INC(FFIV)550,264649,948+99,684140,460,389188,049,4550.62%+47,589,066
CLEAN HARBORS INC(CLH)339,351443,098+103,74779,571,022127,049,4900.42%+47,478,468
TAIWAN SEMICONDUCTOR MANUFAC(TSM)5,985,3305,518,260-467,0701,818,691,6031,865,444,8756.16%+46,753,272
ALIGNMENT HEALTHCARE INC(ALHC)2,305,2555,214,614+2,909,35945,528,78691,881,4990.30%+46,352,713
GOLD FIELDS LTD(GFI)25,6761,024,824+999,1481,121,01446,542,1250.15%+45,421,111
TEVA PHARMACEUTICAL INDS LTD(TEVA)01,425,667+1,425,667042,944,3210.14%+42,944,321
VISTA ENERGY S.A.B. DE C.V.(VIST)0556,283+556,283042,017,3340.14%+42,017,334
RELIANCE INC(RS)280,335403,487+123,15280,980,371122,627,7690.41%+41,647,398
LINDE PLC(LIN)643,470636,338-7,132274,369,173315,470,9271.04%+41,101,754
PRIMO BRANDS CORPORATION(PRMB)12,627,42013,056,192+428,772206,458,317245,848,0950.81%+39,389,778
HALOZYME THERAPEUTICS INC(HALO)1,842,9562,525,975+683,019124,030,939163,253,7640.54%+39,222,825
LATTICE SEMICONDUCTOR CORP(LSCC)2,125,2602,043,720-81,540156,376,631189,575,4670.63%+33,198,836
MUELLER INDS INC(MLI)1,779,9062,109,729+329,823204,333,209233,757,9730.77%+29,424,764
HELIOS TECHNOLOGIES INC(HLIO)587,343931,008+343,66531,416,97760,245,5280.20%+28,828,551
MARRIOTT INTL INC NEW(MAR)084,631+84,631027,680,2610.09%+27,680,261
LANDBRIDGE COMPANY LLC(LB)690,291887,466+197,17533,817,35661,279,5270.20%+27,462,171
CATHAY GEN BANCORP(CATY)0533,448+533,448026,597,7170.09%+26,597,717
KNIGHT-SWIFT TRANSN HLDGS IN(KNX)544,239943,286+399,04728,452,81554,314,4080.18%+25,861,593
MDA SPACE LTD(MDA)0963,494+963,494024,412,3340.08%+24,412,334
MCGRATH RENTCORP(MGRC)0219,784+219,784024,237,7800.08%+24,237,780
TREX INC(TREX)0647,178+647,178023,570,2230.08%+23,570,223
CONSTELLIUM SE(CSTM)0918,090+918,090022,566,6520.07%+22,566,652
MATADOR RES CO(MTDR)416,308622,880+206,57217,668,11239,353,5580.13%+21,685,446
RYANAIR HOLDINGS PLC(RYAAY)50,868420,246+369,3783,672,16124,291,7630.08%+20,619,602
COSTCO WHOLESALE CORPORATION(COST)328,468302,468-26,000283,251,095301,388,1891.00%+18,137,094
BENTLEY SYS INC(BSY)2,615,1733,322,723+707,55099,808,078116,694,0320.39%+16,885,954
I3 VERTICALS INC386,3851,176,960+790,5759,733,03826,316,8260.09%+16,583,788
WINGSTOP INC(WING)098,480+98,480015,261,4460.05%+15,261,446
MOTOROLA SOLUTIONS INC(MSI)20,53251,961+31,4297,870,32622,549,5150.07%+14,679,189
AVERY DENNISON CORP084,465+84,465014,585,4160.05%+14,585,416
VERISK ANALYTICS INC(VRSK)399,551547,504+147,95389,375,563103,888,8840.34%+14,513,321
WYNDHAM HOTELS & RESORTS INC(WH)279,374435,565+156,19121,109,49935,380,9450.12%+14,271,446
TEXAS ROADHOUSE INC(TXRH)082,567+82,567013,635,1140.05%+13,635,114
JAZZ PHARMACEUTICALS PLC(JAZZ)070,883+70,883013,400,4310.04%+13,400,431
INNOVIVA INC(INVA)0574,825+574,825013,393,4230.04%+13,393,423
BLOOM ENERGY CORP348,192317,721-30,47130,254,40343,048,0180.14%+12,793,615
PROGYNY INC0739,790+739,790012,561,6340.04%+12,561,634
KRYSTAL BIOTECH INC(KRYS)376,340407,178+30,83892,782,864105,182,2210.35%+12,399,357
SKYWEST INC(SKYW)0134,374+134,374012,339,5640.04%+12,339,564
MALIBU BOATS INC0475,796+475,796012,332,6320.04%+12,332,632
AMPRIUS TECHNOLOGIES INC(AMPX)984,9061,170,131+185,2257,770,90819,728,4090.07%+11,957,501
VALVOLINE INC(VVV)699,727958,268+258,54120,334,06732,274,4660.11%+11,940,399
COGNEX CORP(CGNX)1,053,2801,016,463-36,81737,897,01449,796,5220.16%+11,899,508
CATALYST PHARMACEUTICALS INC(CPRX)0479,041+479,041011,861,0550.04%+11,861,055
M/I HOMES INC(MHO)095,098+95,098011,644,7500.04%+11,644,750
FB FINL CORP(FBK)483,200720,893+237,69326,962,56037,443,1820.12%+10,480,622
ATLANTIC UN BANKSHARES CORP(AUB)1,111,2441,380,238+268,99439,226,91349,329,7060.16%+10,102,793
SILA REALTY TRUST INC980,1801,387,324+407,14422,847,99632,851,8320.11%+10,003,836
AURA MINERALS INC(AUGO)496,303428,060-68,24325,021,11634,929,6960.12%+9,908,580
EXPRO GROUP HOLDINGS NV2,135,5392,204,291+68,75228,509,44638,376,7060.13%+9,867,260
PBF ENERGY INC(PBF)846,054686,814-159,24022,944,98432,706,0830.11%+9,761,099
TASEKO MINES LTD(TGB)01,513,112+1,513,11209,759,5720.03%+9,759,572
ISHARES TR7,56038,173+30,6132,441,95611,979,0690.04%+9,537,113
VISHAY INTERTECHNOLOGY INC(VSH)1,594,4491,803,297+208,84823,103,56632,459,3460.11%+9,355,780
BWX TECHNOLOGIES INC(BWXT)1,107,600981,782-125,818191,437,584200,764,6010.66%+9,327,017
AEHR TEST SYS(AEHR)495,672513,293+17,62110,007,61819,032,9040.06%+9,025,286
AVNET INC538,841556,770+17,92925,907,47534,308,1670.11%+8,400,692
PRICESMART INC(PSMT)052,991+52,99107,975,1460.03%+7,975,146
V2X INC(VVX)470,846486,480+15,63425,684,64933,323,8800.11%+7,639,231
BALCHEM CORP298,986315,260+16,27445,852,49353,430,2650.18%+7,577,772
MATSON INC(MATX)161,560167,129+5,56919,960,73827,399,1280.09%+7,438,390
WILEY JOHN & SONS INC(WLY)794,900821,987+27,08724,347,78731,317,7050.10%+6,969,918
DIODES INC(DIOD)472,125441,562-30,56323,294,64830,141,0220.10%+6,846,374
CARPENTER TECHNOLOGY CORP(CRS)417,559350,896-66,663131,464,276138,305,6580.46%+6,841,382
HUB GROUP INC(HUBG)625,894925,602+299,70826,669,34333,358,6960.11%+6,689,353
HANOVER INS GROUP INC(THG)149,219195,760+46,54127,272,75733,934,9960.11%+6,662,239
KNOWLES CORP(KN)1,233,3461,274,700+41,35426,430,60532,734,2960.11%+6,303,691
ARGENX SE(ARGX)223,666266,067+42,401188,070,728194,364,0290.64%+6,293,301
HAWKINS INC(HWKN)134,439165,269+30,83019,098,40425,385,3180.08%+6,286,914
ESAB CORPORATION(ESAB)205,018301,883+96,86522,904,61129,180,0110.10%+6,275,400
PERELLA WEINBERG PARTNERS(PWP)3,946,1634,076,313+130,15068,268,62074,025,8440.24%+5,757,224
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