WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Institutional InvestorSimilar funds →SEC EDGAR: CIK 1644956
Institutional-grade research for retail investors

13F Reported Value

$30.3B

Holdings

413

Latest Filing

2026-03-31

Filing Quarter

Q1 2026

Portfolio Overview

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC disclosed 413 positions worth $30.3B in its Form 13F-HR for Q1 2026, led by $TSM (TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD) at 6.2% of the equity portfolio, followed by $NVDA and $AAPL. During the quarter the fund opened 46 new positions and exited 46 — including a new stake in $AKAM and a full exit from $SE. The portfolio is most concentrated in Technology (41.8% of disclosed assets). All figures are sourced directly from WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC’s Form 13F-HR filing with the SEC under CIK 1644956.

Sector Allocation

TechnologyFinancialsHealthcareIndustrialsConsumer DiscretionaryMaterials

AUM History

Top Equity Holdings by Value

Quarterly Activity — Q1 2026

Click any card to unlock

Top Holdings

AI Quality Scored

Unlock AI quality scores for every holding

32-signal composite ranking on each of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's 413 positions.

Showing top 10 of 413 holdings.

Sector Allocation

Technology

$12.7B

Financials

$3.6B

Healthcare

$3.5B

Industrials

$3.3B

Consumer Discretionary

$2.8B

Materials

$1.6B

Consumer Staples

$752.9M

Energy

$578.3M

Full Holdings — WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (Q1 2026)

All 413 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#TickerCompanyValueWeightQoQQuality
1TSM$TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD$1.9B6.2%-8%
2NVDA$NVDANVIDIA CORP$1.6B5.2%-16%90.2
3AAPL$AAPLApple Inc.$1.2B4.0%-12%76.1
4MSFT$MSFTMICROSOFT CORP$1.1B3.5%-17%83.7
5GOOG$GOOGAlphabet Inc.$720.2M2.4%-21%80.2
6AVGO$AVGOBroadcom Inc.$681.4M2.3%-13%86.4
7AMZN$AMZNAMAZON COM INC$658.9M2.2%-28%74.6
8META$METAMeta Platforms, Inc.$579.6M1.9%-15%80.9
9MA$MAMastercard Inc$530.0M1.8%-2%81.7
10AZN$AZNASTRAZENECA PLC$377.3M1.3%+4027%
11LIN$LINLINDE PLC$315.5M1.0%-1%
12CG$CGCarlyle Group Inc.$304.9M1.0%-12%47.3
13COST$COSTCOSTCO WHOLESALE CORP /NEW$301.4M1.0%-8%67
14ITUB$ITUBItau Unibanco Holding S.A.$265.6M0.9%-13%
15TWST$TWSTTwist Bioscience Corp$250.4M0.8%-11%33.3
16NOW$NOWServiceNow, Inc.$248.0M0.8%+10%76
17PRMB$PRMBPrimo Brands Corp$245.8M0.8%+3%46.5
18MLI$MLIMUELLER INDUSTRIES INC$233.8M0.8%+19%77.5
19INTU$INTUINTUIT INC.$230.8M0.8%+21%82
20MNST$MNSTMonster Beverage Corp$212.7M0.7%-22%77
21AMD$AMDADVANCED MICRO DEVICES INC$212.1M0.7%-22%78.8
22BAP$BAPCREDICORP LTD$211.2M0.7%-19%
23A$AAGILENT TECHNOLOGIES, INC.$204.7M0.7%-13%64.6
24ORLY$ORLYO REILLY AUTOMOTIVE INC$204.0M0.7%-26%72.7
25BWXT$BWXTBWX Technologies, Inc.$200.8M0.7%-11%68
26TRU$TRUTransUnion$200.0M0.7%-27%69.1
27ONTO$ONTOONTO INNOVATION INC.$197.7M0.7%-44%66.5
28IDXX$IDXXIDEXX LABORATORIES INC /DE$197.6M0.7%-20%73.6
29NXT$NXTNextpower Inc.$195.6M0.7%+19%74.8
30ARGX$ARGXARGENX SE$194.4M0.6%+19%
31CAVA$CAVACAVA GROUP, INC.$193.7M0.6%-1%62.7
32LSCC$LSCCLATTICE SEMICONDUCTOR CORP$189.6M0.6%-4%39.2
33FFIV$FFIVF5, INC.$188.0M0.6%+18%70
34AKAM$AKAMAKAMAI TECHNOLOGIES INC$185.9M0.6%NEW62
35CCJ$CCJCAMECO CORP$182.7M0.6%-15%
36UNH$UNHUNITEDHEALTH GROUP INC$182.2M0.6%-12%66.8
37MDGL$MDGLMADRIGAL PHARMACEUTICALS, INC.$178.3M0.6%-4%25.4
38NU$NUNu Holdings Ltd.$176.3M0.6%-34%
39GMED$GMEDGLOBUS MEDICAL INC$173.2M0.6%-20%77.6
40CHRW$CHRWC. H. ROBINSON WORLDWIDE, INC.$173.0M0.6%+138%59.8
41EVERPURE INC$170.1M0.6%-23%
42SNOW$SNOWSnowflake Inc.$170.1M0.6%-16%49.6
43TLN$TLNTalen Energy Corp$167.7M0.6%-8%66.5
44LOPE$LOPEGrand Canyon Education, Inc.$166.6M0.6%+116%67.9
45EG$EGEVEREST GROUP, LTD.$165.4M0.6%-13%
46HALO$HALOHALOZYME THERAPEUTICS, INC.$163.3M0.5%+37%81.2
47MLM$MLMMARTIN MARIETTA MATERIALS INC$160.4M0.5%+1%67.6
48COHR$COHRCOHERENT CORP.$159.2M0.5%-23%64
49CW$CWCURTISS WRIGHT CORP$158.1M0.5%-16%70.7
50RRX$RRXREGAL REXNORD CORP$156.8M0.5%+10%53.8
51BWA$BWABORGWARNER INC$156.5M0.5%NEW57.2
52CIEN$CIENCIENA CORP$154.7M0.5%-64%70.7
53BWIN$BWINBaldwin Insurance Group, Inc.$149.1M0.5%-10%51.6
54INSM$INSMINSMED Inc$147.6M0.5%-26%29.4
55NVT$NVTnVent Electric plc$145.9M0.5%-10%
56CPRT$CPRTCOPART INC$145.9M0.5%-4%74.9
57HQY$HQYHEALTHEQUITY, INC.$138.7M0.5%-11%72.3
58CRS$CRSCARPENTER TECHNOLOGY CORP$138.3M0.5%-16%69.9
59DCI$DCIDONALDSON Co INC$137.1M0.5%-5%64.7
60APH$APHAMPHENOL CORP /DE/$136.1M0.5%NEW80.5
61LECO$LECOLINCOLN ELECTRIC HOLDINGS INC$133.2M0.4%-12%67.5
62STRL$STRLSTERLING INFRASTRUCTURE, INC.$131.7M0.4%+684%73.3
63MELI$MELIMERCADOLIBRE INC$129.4M0.4%-55%77.5
64TECH$TECHBIO-TECHNE Corp$128.7M0.4%+3%59.6
65CLH$CLHCLEAN HARBORS INC$127.0M0.4%+31%56.3
66CMG$CMGCHIPOTLE MEXICAN GRILL INC$125.2M0.4%+18%72.9
67RS$RSRELIANCE, INC.$122.6M0.4%+44%55.4
68POWI$POWIPOWER INTEGRATIONS INC$121.9M0.4%NEW42.2
69EXP$EXPEAGLE MATERIALS INC$119.4M0.4%+13%62.7
70DT$DTDynatrace, Inc.$119.4M0.4%+0%77.6
71BSY$BSYBENTLEY SYSTEMS INC$116.7M0.4%+27%70.1
72GKOS$GKOSGLAUKOS Corp$115.6M0.4%-3%39.2
73FHN$FHNFIRST HORIZON CORP$115.1M0.4%-5%43.8
74SN$SNSharkNinja, Inc.$113.7M0.4%-13%
75VEEV$VEEVVEEVA SYSTEMS INC$113.0M0.4%-27%77.8
76DOCS$DOCSDoximity, Inc.$112.6M0.4%-11%77.5
77SYNA$SYNASYNAPTICS Inc$111.1M0.4%NEW45.3
78EYE$EYENational Vision Holdings, Inc.$109.4M0.4%-6%55.4
79PLNT$PLNTPlanet Fitness, Inc.$108.0M0.4%-0%69.2
80DBD$DBDDIEBOLD NIXDORF, Inc$107.6M0.4%-21%45.4
81FRPT$FRPTFreshpet, Inc.$106.9M0.3%-7%65.1
82TIGO$TIGOMILLICOM INTERNATIONAL CELLULAR SA$105.3M0.3%+1023%
83KRYS$KRYSKrystal Biotech, Inc.$105.2M0.3%+8%75.9
84GTX$GTXGarrett Motion Inc.$104.7M0.3%-5%59.6
85VRSK$VRSKVerisk Analytics, Inc.$103.9M0.3%+37%77.3
86LFUS$LFUSLITTELFUSE INC /DE$103.4M0.3%NEW58.7
87APPF$APPFAPPFOLIO INC$101.5M0.3%+1%75.5
88CWST$CWSTCASELLA WASTE SYSTEMS INC$99.7M0.3%-14%48.6
89CHDN$CHDNChurchill Downs Inc$98.2M0.3%-5%65.5
90NBHC$NBHCNational Bank Holdings Corp$96.9M0.3%NEW53.3
91NOVT$NOVTNOVANTA INC$92.5M0.3%-14%50.5
92BIRK$BIRKBirkenstock Holding plc$92.3M0.3%NEW
93ALHC$ALHCAlignment Healthcare, Inc.$91.9M0.3%+126%63
94POOL$POOLPOOL CORP$91.5M0.3%-13%56.3
95STEP$STEPStepStone Group Inc.$91.4M0.3%+186%47
96WMS$WMSADVANCED DRAINAGE SYSTEMS, INC.$89.9M0.3%-5%58
97KMT$KMTKENNAMETAL INC$89.7M0.3%NEW57.5
98GH$GHGuardant Health, Inc.$87.9M0.3%NEW36.1
99ONB$ONBOLD NATIONAL BANCORP /IN/$86.1M0.3%-35%
100FN$FNFabrinet$86.0M0.3%-18%72.4
101CASY$CASYCASEYS GENERAL STORES INC$86.0M0.3%NEW59.9
102CFR$CFRCULLEN/FROST BANKERS, INC.$83.9M0.3%NEW66.5
103MANH$MANHMANHATTAN ASSOCIATES INC$83.8M0.3%-5%70.1
104FSV$FSVFirstService Corp$82.4M0.3%-0%
105BFAM$BFAMBRIGHT HORIZONS FAMILY SOLUTIONS INC.$82.4M0.3%-11%65.4
106TXN$TXNTEXAS INSTRUMENTS INC$82.4M0.3%NEW70.4
107PSN$PSNPARSONS CORP$80.6M0.3%-4%60.3
108TTE$TTETotalEnergies SE$79.8M0.3%+418%
109EHC$EHCEncompass Health Corp$77.7M0.3%-12%68.9
110EVR$EVREvercore Inc.$76.6M0.3%-23%76.1
111LAUR$LAURLAUREATE EDUCATION, INC.$74.9M0.3%-19%58.4
112PWP$PWPPerella Weinberg Partners$74.0M0.2%+3%51.3
113TYL$TYLTYLER TECHNOLOGIES INC$73.9M0.2%-56%69.3
114CART$CARTMaplebear Inc.$72.2M0.2%-13%76.4
115CYTK$CYTKCYTOKINETICS INC$71.7M0.2%NEW28
116APG$APGAPi Group Corp$70.5M0.2%NEW61.3
117MRX$MRXMarex Group Ltd$69.8M0.2%-10%
118FLS$FLSFLOWSERVE CORP$67.9M0.2%-12%66.2
119SCCO$SCCOSOUTHERN COPPER CORP/$63.3M0.2%NEW86.6
120LB$LBLandBridge Co LLC$61.3M0.2%+29%62.6
121RACE$RACEFerrari N.V.$61.2M0.2%-16%
122HLIO$HLIOHELIOS TECHNOLOGIES, INC.$60.2M0.2%+59%52
123SAIA$SAIASAIA INC$59.8M0.2%NEW57.3
124VCEL$VCELVericel Corp$59.0M0.2%-18%46
125INSP$INSPInspire Medical Systems, Inc.$58.7M0.2%-2%46
126SKY$SKYChampion Homes, Inc.$57.7M0.2%-24%69.3
127WFRD$WFRDWeatherford International plc$54.8M0.2%-9%
128KNX$KNXKnight-Swift Transportation Holdings Inc.$54.3M0.2%+73%49.3
129MMSI$MMSIMERIT MEDICAL SYSTEMS INC$53.6M0.2%-11%60.1
130BCPC$BCPCBALCHEM CORP$53.4M0.2%+5%65.9
131MOD$MODMODINE MANUFACTURING CO$52.7M0.2%-36%48.8
132TGLS$TGLSTecnoglass Inc.$52.3M0.2%+26%62.2
133SPOT$SPOTSpotify Technology S.A.$51.9M0.2%-52%
134GWRE$GWREGuidewire Software, Inc.$51.1M0.2%-5%66.2
135RSI$RSIRush Street Interactive, Inc.$50.7M0.2%-9%64.9
136TEX$TEXTEREX CORP$50.4M0.2%NEW49.9
137CGNX$CGNXCOGNEX CORP$49.8M0.2%-3%63.6
138WGS$WGSGeneDx Holdings Corp.$49.8M0.2%-4%38.6
139AUB$AUBAtlantic Union Bankshares Corp$49.3M0.2%+24%
140BRBR$BRBRBELLRING BRANDS, INC.$48.8M0.2%+36%58.7
141KWR$KWRQUAKER CHEMICAL CORP$48.3M0.2%-17%38.1
142GFI$GFIGOLD FIELDS LTD$46.5M0.1%+3891%
143OSIS$OSISOSI SYSTEMS INC$45.6M0.1%-10%64.1
144TPG$TPGTPG Inc.$45.1M0.1%-23%67.6
145AGYS$AGYSAGILYSYS INC$44.9M0.1%+10%55.8
146LTM$LTMLATAM AIRLINES GROUP S.A.$43.6M0.1%+25%
147LPX$LPXLOUISIANA-PACIFIC CORP$43.4M0.1%-28%50.7
148BE$BEBloom Energy Corp$43.0M0.1%-9%54.4
149TEVA$TEVATEVA PHARMACEUTICAL INDUSTRIES LTD$42.9M0.1%NEW
150GPOR$GPORGULFPORT ENERGY CORP$42.1M0.1%+3%64.3
151VIST$VISTVista Energy, S.A.B. de C.V.$42.0M0.1%NEW
152PDFS$PDFSPDF SOLUTIONS INC$41.1M0.1%-8%46.6
153SBCF$SBCFSEACOAST BANKING CORP OF FLORIDA$40.2M0.1%+3%
154RVLV$RVLVRevolve Group, Inc.$39.9M0.1%-18%60.3
155MTDR$MTDRMatador Resources Co$39.4M0.1%+50%66.1
156ESTA$ESTAESTABLISHMENT LABS HOLDINGS INC.$39.1M0.1%+8%26.7
157CCEP$CCEPCOCA-COLA EUROPACIFIC PARTNERS plc$38.6M0.1%-5%
158XPRO$XPROEXPRO GROUP HOLDINGS N.V.$38.4M0.1%+3%
159EBC$EBCEastern Bankshares, Inc.$38.3M0.1%+3%62.3
160FBK$FBKFB Financial Corp$37.4M0.1%+49%
161USLM$USLMUNITED STATES LIME & MINERALS INC$37.4M0.1%+5%73.3
162HWC$HWCHANCOCK WHITNEY CORP$36.1M0.1%-11%
163ISHARES TR$36.0M0.1%-24%
164RNST$RNSTRENASANT CORP$35.4M0.1%+3%
165WH$WHWYNDHAM HOTELS & RESORTS, INC.$35.4M0.1%+56%61.4
166AUGO$AUGOAura Minerals Inc.$34.9M0.1%-14%
167BCO$BCOBRINKS CO$34.5M0.1%-78%52
168AVT$AVTAVNET INC$34.3M0.1%+3%49.2
169THG$THGHANOVER INSURANCE GROUP, INC.$33.9M0.1%+31%69.4
170HUBG$HUBGHub Group, Inc.$33.4M0.1%+48%46
171VVX$VVXV2X, Inc.$33.3M0.1%+3%52.1
172BKV$BKVBKV Corp$32.9M0.1%+5%71.5
173SILA$SILASila Realty Trust, Inc.$32.9M0.1%+42%51.3
174KN$KNKnowles Corp$32.7M0.1%+3%61.9
175PBF$PBFPBF Energy Inc.$32.7M0.1%-19%42.1
176THR$THRThermon Group Holdings, Inc.$32.6M0.1%-27%58.1
177KRG$KRGKITE REALTY GROUP TRUST$32.5M0.1%+3%45.4
178VSH$VSHVISHAY INTERTECHNOLOGY INC$32.5M0.1%+13%35.3
179VVV$VVVVALVOLINE INC$32.3M0.1%+37%52.9
180VCYT$VCYTVERACYTE, INC.$31.9M0.1%+25%59.5
181IDA$IDAIDACORP INC$31.8M0.1%-61%62.6
182SR$SRSPIRE INC$31.7M0.1%+3%42.7
183NWN$NWNNorthwest Natural Holding Co$31.6M0.1%+3%53.5
184WLY$WLYJOHN WILEY & SONS, INC.$31.3M0.1%+3%50.6
185MIRM$MIRMMirum Pharmaceuticals, Inc.$31.0M0.1%-0%32.7
186FRME$FRMEFIRST MERCHANTS CORP$30.6M0.1%+3%
187ACVA$ACVAACV Auctions Inc.$30.6M0.1%-34%51.5
188LNTH$LNTHLantheus Holdings, Inc.$30.3M0.1%-23%66.9
189DIOD$DIODDIODES INC /DEL/$30.1M0.1%-6%47
190JCAP$JCAPJefferson Capital, Inc. / DE$30.0M0.1%+5%46.6
191FCPT$FCPTFour Corners Property Trust, Inc.$29.4M0.1%+18%59
192ABCB$ABCBAmeris Bancorp$29.2M0.1%+3%
193PODD$PODDINSULET CORP$29.2M0.1%-5%70.4
194ESAB$ESABESAB Corp$29.2M0.1%+47%58.3
195TCBI$TCBITEXAS CAPITAL BANCSHARES INC/TX$29.1M0.1%-34%
196LXP$LXPLXP Industrial Trust$28.9M0.1%+3%50.3
197USPH$USPHU S PHYSICAL THERAPY INC /NV$28.3M0.1%+2%57.2
198ICUI$ICUIICU MEDICAL INC/DE$28.1M0.1%+3%40.5
199NWE$NWENorthWestern Energy Group, Inc.$28.1M0.1%+3%65.6
200SIGI$SIGISELECTIVE INSURANCE GROUP INC$27.9M0.1%+4%68.7
201BANC$BANCBANC OF CALIFORNIA, INC.$27.8M0.1%-32%68.3
202COLD$COLDAMERICOLD REALTY TRUST$27.8M0.1%-16%37.1
203MAR$MARMARRIOTT INTERNATIONAL INC /MD/$27.7M0.1%NEW65.9
204HURN$HURNHuron Consulting Group Inc.$27.6M0.1%+11%55.5
205SMPL$SMPLSimply Good Foods Co$27.4M0.1%-10%42.9
206MATX$MATXMatson, Inc.$27.4M0.1%+3%59.7
207IBN$IBNICICI BANK LTD$27.0M0.1%-35%
208SHOO$SHOOSTEVEN MADDEN, LTD.$26.9M0.1%+21%
209TPH$TPHTri Pointe Homes, Inc.$26.8M0.1%-33%40.7
210LLY$LLYELI LILLY & Co$26.7M0.1%-9%89.3
211CATY$CATYCATHAY GENERAL BANCORP$26.6M0.1%NEW60.1
212IIIV$IIIVi3 Verticals, Inc.$26.3M0.1%+205%46.1
213PI$PIIMPINJ INC$26.3M0.1%+21%35.3
214AIN$AINALBANY INTERNATIONAL CORP /DE/$26.2M0.1%+4%37.6
215KLIC$KLICKULICKE & SOFFA INDUSTRIES INC$26.2M0.1%-37%39.8
216ESNT$ESNTEssent Group Ltd.$26.0M0.1%+3%
217WSC$WSCWillScot Holdings Corp$25.9M0.1%-44%56.4
218ITGR$ITGRInteger Holdings Corp$25.7M0.1%-38%50.2
219DFIN$DFINDonnelley Financial Solutions, Inc.$25.7M0.1%+5%44.1
220JLL$JLLJONES LANG LASALLE INC$25.4M0.1%-38%59.8
221HWKN$HWKNHAWKINS INC$25.4M0.1%+23%57.5
222ZETA$ZETAZeta Global Holdings Corp.$25.4M0.1%+5%53.6
223ANIP$ANIPANI PHARMACEUTICALS INC$25.2M0.1%+3%68.6
224BANR$BANRBANNER CORP$25.1M0.1%-38%
225ADTN$ADTNADTRAN Holdings, Inc.$25.0M0.1%-20%41.6
226KEX$KEXKIRBY CORP$25.0M0.1%-38%64.1
227GHM$GHMGRAHAM CORP$24.8M0.1%+5%53.6
228CARG$CARGCarGurus, Inc.$24.7M0.1%+28%66.8
229MDA$MDAMDA Space Ltd.$24.4M0.1%NEW
230RYAAY$RYAAYRYANAIR HOLDINGS PLC$24.3M0.1%+726%
231MGRC$MGRCMCGRATH RENTCORP$24.2M0.1%NEW59.2
232ATMU$ATMUAtmus Filtration Technologies Inc.$24.2M0.1%-38%66.9
233CTRI$CTRICenturi Holdings, Inc.$24.2M0.1%+3%42.7
234ECVT$ECVTEcovyst Inc.$24.0M0.1%-32%36.6
235LZB$LZBLA-Z-BOY INC$23.9M0.1%+4%51
236LOB$LOBLive Oak Bancshares, Inc.$23.9M0.1%+11%
237MRCY$MRCYMERCURY SYSTEMS INC$23.9M0.1%-67%42.9
238TMHC$TMHCTaylor Morrison Home Corp$23.8M0.1%+4%58
239TREX$TREXTREX CO INC$23.6M0.1%NEW60.1
240IFS$IFSIntercorp Financial Services Inc.$23.4M0.1%+4%
241ELS$ELSEQUITY LIFESTYLE PROPERTIES INC$23.1M0.1%-38%65.6
242AIT$AITAPPLIED INDUSTRIAL TECHNOLOGIES INC$22.9M0.1%-37%64.2
243CSTM$CSTMCONSTELLIUM SE$22.6M0.1%NEW69.7
244MSI$MSIMotorola Solutions, Inc.$22.5M0.1%+153%73.8
245HR$HRHealthcare Realty Trust Inc$22.3M0.1%-38%44.9
246EWBC$EWBCEAST WEST BANCORP INC$22.2M0.1%-37%
247FBNC$FBNCFIRST BANCORP /NC/$22.1M0.1%+4%37.3
248BDC$BDCBELDEN INC.$21.9M0.1%-11%57.4
249JBTM$JBTMJBT MAREL Corp$21.5M0.1%-38%55.7
250SLVM$SLVMSylvamo Corp$21.0M0.1%-29%40
251AGX$AGXARGAN INC$21.0M0.1%-39%79.2
252PANW$PANWPalo Alto Networks Inc$20.9M0.1%-5%66.5
253MMS$MMSMAXIMUS, INC.$20.8M0.1%+3%57.4
254BRC$BRCBRADY CORP$20.6M0.1%-28%65.8
255ULS$ULSUL Solutions Inc.$20.1M0.1%-38%64.1
256INTR$INTRInter & Co, Inc.$20.0M0.1%-55%
257NTST$NTSTNETSTREIT Corp.$20.0M0.1%+3%61.7
258AMPX$AMPXAmprius Technologies, Inc.$19.7M0.1%+19%34.9
259AEHR$AEHRAEHR TEST SYSTEMS$19.0M0.1%+4%16.3
260REXR$REXRRexford Industrial Realty, Inc.$19.0M0.1%-38%53.8
261ABM$ABMABM INDUSTRIES INC /DE/$18.8M0.1%+4%53.7
262LITE$LITELumentum Holdings Inc.$18.7M0.1%-81%63.4
263VRTX$VRTXVERTEX PHARMACEUTICALS INC / MA$17.7M0.1%-0%76.6
264BGSI$BGSIBoyd Group Services Inc.$17.3M0.1%-5%
265IAG$IAGIAMGOLD CORP$17.0M0.1%-26%
266PENG$PENGPenguin Solutions, Inc.$17.0M0.1%+3%46.7
267LRCX$LRCXLAM RESEARCH CORP$17.0M0.1%-28%82.4
268UMH$UMHUMH PROPERTIES, INC.$16.9M0.1%+3%55.8
269SHO$SHOSunstone Hotel Investors, Inc.$16.7M0.1%+3%48.3
270DY$DYDYCOM INDUSTRIES INC$16.7M0.1%-38%62.1
271ADC$ADCAGREE REALTY CORP$16.5M0.1%-38%57.4
272AR$ARANTERO RESOURCES Corp$16.3M0.1%-39%80.1
273RUSHA$RUSHARUSH ENTERPRISES INC \TX\$15.8M0.1%+3%52.7
274WING$WINGWingstop Inc.$15.3M0.1%NEW75.1
275VERX$VERXVertex, Inc.$15.2M0.1%+5%49.8
276UMBF$UMBFUMB FINANCIAL CORP$15.1M0.1%-41%
277ESRT$ESRTEmpire State Realty Trust, Inc.$15.1M0.1%+3%37.2
278TSEM$TSEMTOWER SEMICONDUCTOR LTD$14.8M0.1%-78%
279EPC$EPCEDGEWELL PERSONAL CARE Co$14.7M0.1%+4%36.8
280AVY$AVYAvery Dennison Corp$14.6M0.1%NEW62.9
281OMF$OMFOneMain Holdings, Inc.$14.5M0.1%-38%
282AAMI$AAMIAcadian Asset Management Inc.$14.4M0.1%+3%62.2
283INVX$INVXInnovex International, Inc.$14.3M0.1%+0%62.4
284QTWO$QTWOQ2 Holdings, Inc.$14.3M0.1%-89%62.4
285JBI$JBIJanus International Group, Inc.$14.1M0.1%+3%40.6
286GVA$GVAGRANITE CONSTRUCTION INC$13.8M0.1%-46%56.9
287PAY$PAYPaymentus Holdings, Inc.$13.7M0.1%+5%70.2
288TXRH$TXRHTexas Roadhouse, Inc.$13.6M0.1%NEW68
289GRAB$GRABGrab Holdings Ltd$13.6M0.0%-84%
290YETI$YETIYETI Holdings, Inc.$13.4M0.0%-20%54.8
291JAZZ$JAZZJazz Pharmaceuticals plc$13.4M0.0%NEW
292INVA$INVAInnoviva, Inc.$13.4M0.0%NEW75.2
293HAYW$HAYWHayward Holdings, Inc.$13.3M0.0%-45%58.3
294SANM$SANMSANMINA CORP$13.2M0.0%-56%61
295PGNY$PGNYProgyny, Inc.$12.6M0.0%NEW59
296SKYW$SKYWSKYWEST INC$12.3M0.0%NEW53.5
297MBUU$MBUUMALIBU BOATS, INC.$12.3M0.0%NEW48.7
298TITN$TITNTitan Machinery Inc.$12.3M0.0%+6%38.4
299DXCM$DXCMDEXCOM INC$12.3M0.0%+14%77.9
300ASR$ASRSOUTHEAST AIRPORT GROUP$12.2M0.0%-6%
301CMC$CMCCOMMERCIAL METALS Co$12.2M0.0%-62%66
302CENT$CENTCENTRAL GARDEN & PET CO$12.2M0.0%+4%54
303WGO$WGOWINNEBAGO INDUSTRIES INC$12.0M0.0%+4%46.6
304ISHARES TR$12.0M0.0%+405%
305AMAT$AMATAPPLIED MATERIALS INC /DE$11.9M0.0%-1%74.8
306CPRX$CPRXCATALYST PHARMACEUTICALS, INC.$11.9M0.0%NEW78.7
307MHO$MHOM/I HOMES, INC.$11.6M0.0%NEW58.3
308SLGN$SLGNSILGAN HOLDINGS INC$11.3M0.0%-56%50.8
309OC$OCOwens Corning$11.3M0.0%-38%47.3
310ARIS$ARISAris Mining Corp$11.2M0.0%-16%
311WAFD$WAFDWAFD INC$11.1M0.0%-65%55.8
312CLS$CLSCELESTICA INC$10.9M0.0%-40%69
313PRCT$PRCTPROCEPT BioRobotics Corp$10.6M0.0%+2%34.8
314WST$WSTWEST PHARMACEUTICAL SERVICES INC$10.0M0.0%-4%66.8
315MRVL$MRVLMarvell Technology, Inc.$9.9M0.0%-8%77.3
316TGB$TGBTrekor Metals Ltd$9.8M0.0%NEW
317ALK$ALKALASKA AIR GROUP, INC.$9.5M0.0%-52%56.3
318DSGX$DSGXDESCARTES SYSTEMS GROUP INC$9.2M0.0%-37%
319COR$CORCencora, Inc.$8.9M0.0%+17%59.6
320ORCL$ORCLORACLE CORP$8.2M0.0%-96%67.2
321PSMT$PSMTPRICESMART INC$8.0M0.0%NEW51.4
322WMT$WMTWalmart Inc.$7.8M0.0%-68%63.2
323QTRX$QTRXQuanterix Corp$7.3M0.0%+2%22.2
324OPLN$OPLNOPENLANE, Inc.$7.1M0.0%-52%63.9
325ISRG$ISRGINTUITIVE SURGICAL INC$7.0M0.0%-1%81.4
326GGG$GGGGRACO INC$6.3M0.0%+36%67.2
327GEF$GEFGREIF, INC$6.2M0.0%-67%52.8
328PGR$PGRPROGRESSIVE CORP/OH/$6.1M0.0%-1%83.6
329JPM$JPMJPMORGAN CHASE & CO$6.0M0.0%-1%35.6
330HUM$HUMHUMANA INC$6.0M0.0%-21%82
331VRRM$VRRMVERRA MOBILITY Corp$5.6M0.0%-89%66.1
332CRM$CRMSalesforce, Inc.$5.4M0.0%+0%75.2
333TJX$TJXTJX COMPANIES INC /DE/$5.4M0.0%NEW70.7
334BX$BXBlackstone Inc.$5.4M0.0%+0%68
335TBBB$TBBBBBB FOODS INC$5.2M0.0%-80%
336NFLX$NFLXNETFLIX INC$5.1M0.0%+29%86.7
337CRH$CRHCRH PUBLIC LTD CO$5.1M0.0%-31%
338TKO$TKOTKO Group Holdings, Inc.$4.6M0.0%-1%73.1
339CAAP$CAAPCORPORACION AMERICA AIRPORTS S.A.$4.5M0.0%NEW
340FIGR$FIGRFigure Technology Solutions, Inc.$4.1M0.0%+13%
341V$VVISA INC.$4.1M0.0%+0%83.5
342KEYS$KEYSKeysight Technologies, Inc.$4.0M0.0%-41%72.3
343ABT$ABTABBOTT LABORATORIES$4.0M0.0%-14%67
344BSX$BSXBOSTON SCIENTIFIC CORP$3.2M0.0%+0%79.9
345DBX ETF TR$2.8M0.0%-5%
346ISHARES TR$2.6M0.0%+32%
347VNET$VNETVNET Group, Inc.$2.6M0.0%-65%
348KFY$KFYKORN FERRY$2.5M0.0%-90%61.9
349UBER$UBERUber Technologies, Inc$2.4M0.0%-39%79.3
350AEM$AEMAGNICO EAGLE MINES LTD$2.3M0.0%NEW
351TNET$TNETTRINET GROUP, INC.$2.3M0.0%-84%53.6
352ASML$ASMLASML HOLDING NV$2.3M0.0%-50%
353VITL$VITLVital Farms, Inc.$1.7M0.0%-85%50.2
354SMFG$SMFGSUMITOMO MITSUI FINANCIAL GROUP, INC.$1.5M0.0%-39%
355ELF$ELFe.l.f. Beauty, Inc.$1.4M0.0%-15%53.4
356BABA$BABAAlibaba Group Holding Ltd$1.4M0.0%+0%
357KO$KOCOCA COLA CO$1.4M0.0%NEW74
358STEL$STELStellar Bancorp, Inc.$1.3M0.0%-93%55
359EFSC$EFSCENTERPRISE FINANCIAL SERVICES CORP$1.2M0.0%-91%
360CTVA$CTVACorteva, Inc.$1.2M0.0%+0%48.4
361IHG$IHGINTERCONTINENTAL HOTELS GROUP PLC /NEW/$1.1M0.0%-50%
362BBVA$BBVABANCO BILBAO VIZCAYA ARGENTARIA, S.A.$952,2820.0%-54%
363RY$RYROYAL BANK OF CANADA$934,7650.0%-50%
364ICE$ICEIntercontinental Exchange, Inc.$911,9090.0%-83%73.8
365WT$WTWisdomTree, Inc.$856,8000.0%+0%62.9
366BCS$BCSBARCLAYS PLC$854,3980.0%-62%
367ACGL$ACGLARCH CAPITAL GROUP LTD.$706,7740.0%-99%
368APO$APOApollo Global Management, Inc.$699,1610.0%-2%55.7
369NTES$NTESNetEase, Inc.$678,9160.0%-14%
370FLEX$FLEXFLEX LTD.$554,8390.0%+3%
371ALSN$ALSNAllison Transmission Holdings Inc$553,2260.0%+3%68.5
372ESI$ESIElement Solutions Inc$528,3510.0%NEW63.1
373TKR$TKRTIMKEN CO$520,5500.0%+3%50.7
374IREN$IRENIREN Ltd$511,2180.0%+17%
375NI$NINISOURCE INC.$496,3690.0%+3%61.7
376PPL$PPLPPL Corp$476,1630.0%+3%70.3
377ALLE$ALLEAllegion plc$468,8510.0%+3%
378REG$REGREGENCY CENTERS CORP$464,3250.0%+3%67.6
379RGLD$RGLDROYAL GOLD INC$456,5550.0%-30%79.4
380JBHT$JBHTHUNT J B TRANSPORT SERVICES INC$451,5590.0%+3%56.5
381WEX$WEXWEX Inc.$448,4070.0%+3%49
382DOV$DOVDOVER Corp$446,5000.0%-14%63.1
383CACI$CACICACI INTERNATIONAL INC /DE/$406,8150.0%-99%66.7
384HST$HSTHOST HOTELS & RESORTS, INC.$391,2660.0%+3%72.6
385CCK$CCKCROWN HOLDINGS, INC.$384,5590.0%+3%61.9
386JEF$JEFJefferies Financial Group Inc.$364,6200.0%NEW65.6
387BC$BCBRUNSWICK CORP$353,9770.0%+3%39.4
388JBL$JBLJABIL INC$353,8190.0%+3%51.9
389ISHARES TR$353,2840.0%+0%
390LH$LHLABCORP HOLDINGS INC.$349,7880.0%+3%54.8
391EXE$EXEEXPAND ENERGY Corp$346,2460.0%+3%83.9
392SSB$SSBSouthState Bank Corp$346,2100.0%+2%
393COLB$COLBCOLUMBIA BANKING SYSTEM, INC.$343,6700.0%+2%33
394DOC$DOCHEALTHPEAK PROPERTIES, INC.$339,1320.0%+3%62
395SHOP$SHOPSHOPIFY INC.$331,5430.0%-74%
396TAP$TAPMOLSON COORS BEVERAGE CO$327,2560.0%+3%42.2
397PR$PRPermian Resources Corp$305,8570.0%+3%75.6
398GOOGL$GOOGLAlphabet Inc.$294,0320.0%+0%80.2
399ICLR$ICLRICON PLC$285,1710.0%+3%
400CHE$CHECHEMED CORP$282,5500.0%-100%67.2
401INGR$INGRIngredion Inc$275,1160.0%+3%58.3
402ETR$ETRENTERGY CORP /DE/$260,2260.0%+3%65.1
403STAG$STAGSTAG Industrial, Inc.$258,7670.0%+3%67.8
404CPT$CPTCAMDEN PROPERTY TRUST$258,5060.0%+3%69.4
405ACN$ACNAccenture plc$249,8450.0%-2%
406STM$STMSTMicroelectronics N.V.$239,6390.0%NEW
407PSX$PSXPhillips 66$231,3690.0%NEW47.6
408STT$STTSTATE STREET CORP$231,0990.0%+3%61.5
409TOL$TOLToll Brothers, Inc.$220,6720.0%+3%68.3
410AFG$AFGAMERICAN FINANCIAL GROUP INC$214,9360.0%+2%59.9
411WTW$WTWWILLIS TOWERS WATSON PLC$206,9780.0%+15%
412HBAN$HBANHUNTINGTON BANCSHARES INC /MD/$178,3790.0%+3%69.4
413ISHARES TR$95,1740.0%-87%

New Positions (46)

AKAM$AKAM AKAMAI TECHNOLOGIES INC$185.9M
BWA$BWA BORGWARNER INC$156.5M
APH$APH AMPHENOL CORP /DE/$136.1M
POWI$POWI POWER INTEGRATIONS INC$121.9M
SYNA$SYNA SYNAPTICS Inc$111.1M
LFUS$LFUS LITTELFUSE INC /DE$103.4M
NBHC$NBHC National Bank Holdings Corp$96.9M
BIRK$BIRK Birkenstock Holding plc$92.3M
KMT$KMT KENNAMETAL INC$89.7M
GH$GH Guardant Health, Inc.$87.9M
CASY$CASY CASEYS GENERAL STORES INC$86.0M
CFR$CFR CULLEN/FROST BANKERS, INC.$83.9M
TXN$TXN TEXAS INSTRUMENTS INC$82.4M
CYTK$CYTK CYTOKINETICS INC$71.7M
APG$APG APi Group Corp$70.5M

Exited Positions (46)

SE$SE Sea Ltd
WAY$WAY Waystar Holding Corp.
FOLD$FOLD AMICUS THERAPEUTICS, INC.
WAL$WAL WESTERN ALLIANCE BANCORPORATION
CWAN$CWAN Clearwater Analytics Holdings, Inc.
TER$TER TERADYNE, INC
OBDC$OBDC Blue Owl Capital Corp
EXLS$EXLS ExlService Holdings, Inc.
PEN$PEN Penumbra Inc
BAM$BAM Brookfield Asset Management Ltd.
CADENCE BANK
MZTI$MZTI MARZETTI CO
TME$TME Tencent Music Entertainment Group
CECO$CECO CECO ENVIRONMENTAL CORP
GXO$GXO GXO Logistics, Inc.

Browse Top Institutional Investors

13F Pro tracks 8,700+ institutional investors filing 13F reports with the SEC.

to search all 8,700+ institutional filers.

Available Analysis

13F Pro tracks comprehensive institutional data for WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC including:

Full 13F portfolio with all holdings
Quarter-over-quarter position changes
Accumulation & distribution patterns
Sector allocation breakdown
Historical portfolio evolution
New positions & complete exits
Concentration analysis
Peer comparison with similar funds
AI-powered portfolio insights

Track WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Full Portfolio

See every holding, quarter-over-quarter changes, sector allocation, and accumulation patterns for WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC and 8,700+ other institutional investors.

View Pricing

Free tier includes full 13F search and fund profiles. Pro starts at $6.67/mo (billed annually).

Passwordless sign-in · Payments by Stripe · Auth by Clerk

AI-Powered Hedge Fund Analysis: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

13F Pro is an AI hedge fund tracker and stock research platform. For WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (SEC CIK: 1644956), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.

Every holding in WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's portfolio is scored on a 32-signal AI quality ranking (ROIC, FCF margin, revenue growth, institutional flow, earnings quality, shareholder dilution, and more). Track accumulation and distribution quarter over quarter, identify conviction positions, and see AI stock analysis for each position — alongside 8,700+ other institutional filers and 2,800+ AI-ranked companies.