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BLAIR WILLIAM & CO/IL

Period ended Sep 30, 2026 · Latest filing Nov 10, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Sep 30, 2026: $38,593,108,515

More quarters will appear as history becomes available.

Top holdings

Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. APPLE INC · COM · 037833100 · shares: $1,898,743,382
  2. MICROSOFT CORP · COM · 594918104 · shares: $1,747,127,216
  3. AMAZON COM INC · COM · 023135106 · shares: $1,427,683,418
  4. NVIDIA CORPORATION · COM · 67066G104 · shares: $1,234,730,872
  5. ALPHABET INC · CAP STK CL C · 02079K107 · shares: $988,733,208
  6. ALPHABET INC · CAP STK CL A · 02079K305 · shares: $808,469,516
  7. JPMORGAN CHASE & CO · COM · 46625H100 · shares: $750,171,457
  8. VISA INC · COM CL A · 92826C839 · shares: $649,718,726
  9. STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares: $642,931,154
  10. GE VERNOVA INC · COM · 36828A101 · shares: $610,369,547

Reported holdings

2,029 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
VANGUARD INTL EQUITY INDEX FFTSE SMCAP ETF922042718 — 5,929 shares $920,477
UFP INDUSTRIES INCCOM90278Q108 — 11,905 shares $919,289
LAMAR ADVERTISING COCL A512816109 — 6,362 shares $916,756
OLD NATL BANCORP INDCOM680033107 — 37,204 shares $916,713
LEONARDO DRS INCCOM52661A108 — 25,023 shares $916,609
DT MIDSTREAM INCCOMMON STOCK23345M107 — 7,658 shares $914,858
XPO INCCOM983793100 — 5,171 shares $909,993
HUNT J B TRANS SVCS INCCOM445658107 — 4,058 shares $909,196
T ROWE PRICE EXCHANGE-TRADEDPRICE DIV GRWT87283Q404 — 18,662 shares $900,640
INVESCO EXCHANGE TRADED FD TS&P500 PUR GWT46137V266 — 15,392 shares $898,431
SPROUTS FMRS MKT INCCOM85208M102 — 13,488 shares $894,929
APOLLO GLOBAL MGMT INCCOM03769M106 — 7,665 shares $889,626
AERCAP HOLDINGS NVSHSN00985106 — 6,197 shares $889,422
VIA TRANSN INCCOM CL A92556W104 — 29,346 shares $887,717
VANGUARD WELLINGTON FDSHORT TRM TAX EX921935870 — 8,932 shares $880,705
NVENT ELEC PLCSHSG6700G107 — 5,464 shares $876,228
VICI PPTYS INCCOM925652109 — 37,861 shares $869,660
ISHARES TR3 7 YR TREAS BD464288661 — 7,632 shares $865,794
BEL FUSE INCCL B077347300 — 3,525 shares $860,523
SPDR INDEX SHS FDSST STR NAT ETF78463X541 — 11,574 shares $856,109
BARINGS BDC INCCOM06759L103 — 98,833 shares $851,940
JEFFERIES FINANCIAL GROUP INCOM47233W109 — 18,610 shares $851,035
AMERICOLD REALTY TRUST INCCOM03064D108 — 60,791 shares $849,858
MOBILITY GLOBAL INCCOM SHS60744M106 — 49,043 shares $841,084
JOHN HANCOCK EXCHANGE TRADEDMULTIFACTOR MI47804J206 — 11,733 shares $838,902
ANTERO RESOURCES CORPCOM03674X106 — 24,991 shares $834,444
ASTRANA HEALTH INCCOM NEW03763A207 — 23,394 shares $832,125
BIODESIX INCCOM09075X207 — 27,798 shares $829,214
DIAGEO PLCSPON ADR NEW25243Q205 — 9,676 shares $828,245
ERIE INDTY COCL A29530P102 — 3,779 shares $828,227
GOLDMAN SACHS ETF TRACCES TREASURY381430529 — 8,272 shares $828,094
FIRST TR EXCHANGE TRADED FDNASD TECH DIV33738R118 — 7,321 shares $825,995
MP MATERIALS CORPCOM CL A553368101 — 17,341 shares $820,056
NEXTNAV INCCOMMON STOCK65345N106 — 57,000 shares $819,660
MASTERCARD INCORPORATEDCL A57636Q104 — 1,482 shares $817,279
MANULIFE FINL CORPCOM56501R106 — 19,182 shares $816,976
FAIR ISAAC CORPCOM303250104 — 1,378 shares $816,424
CHARLES RIV LABS INTL INCCOM159864107 — 2,767 shares $816,293
GENUINE PARTS COCOM372460105 — 6,474 shares $813,981
GITLAB INCCLASS A COM37637K108 — 17,219 shares $813,592
LOEWS CORPCOM540424108 — 7,779 shares $812,360
APPLIED MATLS INCCOM038222105 — 1,587 shares $811,560
API GROUP CORPCOM STK00187Y100 — 20,896 shares $806,566
FIRST TR EXCHANGE-TRADED FDNO AMER ENERGY33738D101 — 19,612 shares $803,909
SILVERCORP METALS INCCOM82835P103 — 75,000 shares $800,250
FLEXSHARES TRNRTRN TR QLT DIV33939L860 — 8,861 shares $799,631
BERKLEY W R CORPCOM084423102 — 11,733 shares $792,425
UNITED THERAPEUTICS CORP DELCOM91307C102 — 1,461 shares $791,701
SCHEIN HENRY INCCOM806407102 — 9,331 shares $783,524
KRYSTAL BIOTECH INCCOM501147102 — 2,356 shares $783,511
INTERACTIVE BROKERS GROUP INCOM CL A45841N107 — 9,154 shares $781,975
SPDR SERIES TRUSTST STR NYSE TECH78464A102 — 2,041 shares $780,028
BILLIONTOONE INCCL A090168105 — 7,298 shares $776,799
TALEN ENERGY CORPCOM87422Q109 — 2,482 shares $776,097
PUBLIC STORAGECOM74460D109 — 2,741 shares $775,170
LANDBRIDGE COMPANY LLCCL A514952100 — 9,525 shares $773,144
IDEX CORPCOM45167R104 — 3,391 shares $773,033
SPDR INDEX SHS FDSST STR ACWI ETF78463X848 — 19,120 shares $772,628
CORCEPT THERAPEUTICS INCCOM218352102 — 6,686 shares $770,428
COOPER COS INCCOM216648501 — 13,567 shares $766,943
CLOROX CO DELCOM189054109 — 9,454 shares $765,828
CONSTRUCTION PARTNERS INCCOM CL A21044C107 — 8,370 shares $753,551
BROOKFIELD ASSET MANAGMT LTDCL A LMT VTG SHS113004105 — 16,790 shares $748,490
BHP BILLITON LIMITEDSPONSORED ADS088606108 — 8,808 shares $747,283
REGAL REXNORD CORPORATIONCOM758750103 — 4,807 shares $745,602
SONY GROUP CORPSPONSORED ADR835699307 — 31,266 shares $735,688
ANTERO MIDSTREAM CORPCOM03676B102 — 36,204 shares $729,873
MOSAIC COCOM61945C103 — 33,695 shares $729,490
WESTERN MIDSTREAM PARTNERS LCOM UNIT LP INT958669103 — 16,423 shares $728,676
INVESCO DB COMMDY INDX TRCKUNIT46138B103 — 22,544 shares $728,617
ISHARES TRMBS ETF464288588 — 8,071 shares $723,357
SPDR SERIES TRUSTST STR SP600GRWO78464A201 — 6,753 shares $722,419
BOSTON SCIENTIFIC CORPCOM101137107 — 16,541 shares $722,034
FLAGSTAR BANK NATIONAL ASSOCCOM NEW649445400 — 61,845 shares $721,733
THE CAMPBELLS COMPANYCOM134429109 — 36,361 shares $721,039
ISHARES TRMORNINGSTAR GRWT464287119 — 6,163 shares $720,927
FERRARI N VCOMN3167Y103 — 1,825 shares $716,848
FIRST TR EXCHANGE-TRADED FDSHS336917109 — 14,501 shares $712,126
BAIN CAP SPECIALTY FIN INCCOM STK05684B107 — 64,468 shares $711,727
MERCANTILE BK CORPCOM587376104 — 12,168 shares $709,638
LIBERTY MEDIA CORP DELCOM SER C531229755 — 7,670 shares $708,708
ARXIS INCCL A COM04339D105 — 14,329 shares $707,709
ICF INTL INCCOM44925C103 — 8,510 shares $707,435
FIRST TR EXCH TRADED FD IIIPFD SECS INC ETF33739E108 — 41,275 shares $703,747
SUN LIFE FINANCIAL INC.COM866796105 — 8,998 shares $701,544
VANECK ETF TRUSTHIGH YLD MUNIETF92189H409 — 14,596 shares $701,050
EQUIPMENTSHARE COM INCCOM CL A29445S100 — 40,345 shares $700,793
SPDR SERIES TRUSTST STR SP METAL78464A755 — 6,761 shares $700,203
ISHARES INCCUR HD MSCI EM46434G509 — 16,486 shares $696,369
ITURAN LOCATION AND CONTROLSHSM6158M104 — 13,530 shares $693,019
MOOG INCCL A615394202 — 1,813 shares $691,626
UNITY SOFTWARE INCCOM91332U101 — 16,822 shares $688,524
SOUTHERN COPPER CORPCOM84265V105 — 3,395 shares $687,985
ALNYLAM PHARMACEUTICALS INCCOM02043Q107 — 2,773 shares $684,279
LENNOX INTL INCCOM526107107 — 1,916 shares $680,218
ONCE UPON A FARM PBCCOM68237F108 — 42,839 shares $674,714
MURPHY USA INCCOM626755102 — 1,338 shares $674,608
GRAIL INCCOM384747101 — 4,814 shares $674,538
ALIGN TECHNOLOGY INCCOM016255101 — 4,638 shares $674,133
J P MORGAN EXCHANGE TRADED FBETA DEVE EX ETF46641Q233 — 10,919 shares $673,718