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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)
ISHARES TRUS INDUSTRIALS464287754 — 3,362 shares $515,630
J P MORGAN EXCHANGE TRADED FULTRA SHT MUNCPL46641Q654 — 10,189 shares $515,140
CORPAY INCCOM SHS219948106 — 1,326 shares $515,113
U HAUL HOLDING COMPANYCOM SER N023586506 — 9,742 shares $514,865
APPIAN CORPCL A03782L101 — 14,569 shares $513,849
ADVANCED ENERGY INDSCOM007973100 — 1,823 shares $513,758
PROSHARES TRULTRA FNCLS NEW74347X633 — 6,090 shares $509,489
WESTERN ALLIANCE BANCORPCOM957638109 — 6,778 shares $509,062
AMEREN CORPCOM023608102 — 5,095 shares $506,355
MORNINGSTAR INCCOM617700109 — 2,663 shares $506,106
LINEAGE INCCOM53566V106 — 14,824 shares $505,810
BROOKFIELD INFRASTRUCTURE COCOM SUB VTG A11276H106 — 14,203 shares $505,753
TELADOC HEALTH INCNOTE 1.250% 6/087918AAF2 — 525,000 principal $505,313
NANO NUCLEAR ENERGY INCCOM63010H108 — 31,860 shares $504,981
INSULET CORPCOM45784P101 — 3,861 shares $503,745
SPDR SERIES TRUSTST NUVE TERM ETF78468R739 — 10,792 shares $503,446
UNUM GROUPCOM91529Y106 — 5,734 shares $503,044
EASTGROUP PPTYS INCCOM277276101 — 2,545 shares $502,528
FIRST CMNTY CORP S CCOM319835104 — 15,620 shares $502,495
INNOVATOR ETFS TRUSTUS EQTY BUF OCT45782C771 — 9,128 shares $502,314
ISHARES TRCORE 1 5 YR USD46432F859 — 10,602 shares $500,932
ISHARES TRUS CONSM STAPLES464287812 — 7,081 shares $500,869
WD 40 COCOM929236107 — 2,479 shares $500,684
SEAGATE TECHNOLOGY HLDNGS PLORD SHSG7997R103 — 542 shares $499,908
SCHOLAR ROCK HLDG CORPCOM80706P103 — 10,326 shares $498,952
OIL DRI CORP AMERCOM677864100 — 5,506 shares $498,789
LYONDELLBASELL INDUSTRIES NVSHS - A -N53745100 — 8,675 shares $498,570
MONSTER BEVERAGE CORP NEWCOM61174X109 — 11,922 shares $496,194
INTELLIA THERAPEUTICS INCCOM45826J105 — 41,100 shares $495,666
ABRDN WORLD HEALTHCARE FUNDBEN INT SHS87911L108 — 38,000 shares $495,520
KARAT PACKAGING INCCOM48563L101 — 9,405 shares $494,248
BLUE OWL CAPITAL CORPORATIONCOM69121K104 — 46,917 shares $492,158
CROWDSTRIKE HLDGS INCCL A22788C105 — 1,853 shares $490,582
GLOBUS MED INCCL A379577208 — 6,537 shares $489,621
BROOKFIELD RENEWABLE ENERGYPARTNERSHIP UNITG16258108 — 17,363 shares $488,594
AMENTUM HOLDINGS INCCOM023939101 — 26,796 shares $485,544
BAXTER INTL INCCOM071813109 — 20,210 shares $485,034
CONCRETE PUMPING HLDGS INCCOM206704108 — 50,000 shares $484,500
VANECK ETF TRUSTIG FLOA RATE ETF92189F486 — 18,919 shares $484,144
TIMKEN COCOM887389104 — 4,125 shares $481,634
STEEL DYNAMICS INCCOM858119100 — 2,168 shares $480,348
WISDOMTREE TRUS MIDCAP FUND97717W570 — 6,682 shares $478,698
FIRSTENERGY CORPCOM337932107 — 10,957 shares $474,755
THE BALDWIN INSURANCE GRP INCOM CL A05589G102 — 14,898 shares $473,607
ZIONS BANCORPORATION NATL ASCOM989701107 — 7,531 shares $471,835
CARNIVAL CORP LTDCOMMON SHARESG2004J103 — 19,219 shares $471,640
SPDR SERIES TRUSTST PORT HIGH ETF78468R606 — 20,823 shares $470,396
GREIF INCCL A397624107 — 5,905 shares $469,990
DECKERS OUTDOOR CORPCOM243537107 — 6,011 shares $469,700
VANGUARD WORLD FDCONSUM STP ETF92204A207 — 2,152 shares $469,637
MASCO CORPCOM574599106 — 6,963 shares $469,285
PETROLEO BRASILEIRO S ASPONSORED ADR71654V408 — 22,461 shares $468,766
FIRSTCASH HOLDINGS INCCOM33768G107 — 2,211 shares $467,050
VERISIGN INCCOM92343E102 — 1,652 shares $465,890
FTAI AVIATION LTDSHSG3730V105 — 2,784 shares $464,946
ISHARES TR10-20 YR TRS ETF464288653 — 5,042 shares $464,721
INVESCO EXCH TRADED FD TR IIS&P GBL WATER46138E263 — 7,434 shares $463,453
INVESTORS TITLE CO NCCOM461804106 — 1,634 shares $462,129
AGILENT TECHNOLOGIES INCCOM00846U101 — 2,675 shares $460,929
J P MORGAN EXCHANGE TRADED FFUNDAMENTAL LARG46654Q450 — 9,094 shares $459,692
ZSCALER INCCOM98980G102 — 2,299 shares $458,467
VANGUARD WORLD FDCONSUM DIS ETF92204A108 — 1,255 shares $457,579
KINIKSA PHARMACEUTICALS INTLORD SHS CL AG52694109 — 6,126 shares $457,061
HEXCEL CORP NEWCOM428291108 — 5,446 shares $457,048
BITMINE IMMERSION TECHS INCCOM NEW09175A206 — 17,247 shares $455,840
KULICKE & SOFFA INDS INCCOM501242101 — 4,836 shares $455,793
ABRDN SILVER ETF TRUSTPHYSCL SILVR SHS003264108 — 7,943 shares $455,193
BAUSCH HEALTH COS INCCOM071734107 — 77,825 shares $453,721
NU HLDGS LTDORD SHS CL AG6683N103 — 35,748 shares $452,570
TAPESTRY INCCOM876030107 — 3,911 shares $449,912
MICRON TECHNOLOGY INCCOM595112103 — 420 shares $447,346
ISHARES TREUROPE ETF464287861 — 6,192 shares $440,437
SOMNIGROUP INTERNATIONAL INCCOM88023U101 — 7,082 shares $439,888
HUNTINGTON INGALLS INDS INCCOM446413106 — 1,643 shares $438,867
ISHARES TRRUS TP200 VL ETF464289420 — 3,978 shares $435,710
SPDR SERIES TRUSTST STR SP600SM C78464A300 — 4,246 shares $433,729
MACOM TECH SOLUTIONS HLDGS ICOM55405Y100 — 1,514 shares $431,217
UBS GROUP AGSHSH42097107 — 8,953 shares $430,932
SERVICENOW INCCOM81762P102 — 3,210 shares $430,172
SAREPTA THERAPEUTICS INCCOM803607100 — 23,514 shares $428,425
BROOKFIELD RENEWABLE CORPCL A EX SUB VTG11285B108 — 15,032 shares $424,203
PORTLAND GEN ELEC COCOM NEW736508847 — 9,441 shares $421,344
INVESCO EXCH TRADED FD TR IIDORSEY WRGT EMRG46138E867 — 12,350 shares $420,760
HALEON PLCSPON ADS405552100 — 46,734 shares $420,610
UNITED STS GASOLINE FD LPUNITS91201T102 — 2,850 shares $418,038
INTERNATIONAL FLAVORS&FRAGRACOM459506101 — 4,995 shares $416,993
BUTTERFLY NETWORK INCCOM CL A124155102 — 46,475 shares $416,416
ONTO INNOVATION INCCOM683344105 — 1,352 shares $416,173
WISDOMTREE TRUS SMALLCAP FUND97717W562 — 6,419 shares $414,538
CELLEBRITE DI LTDORDINARY SHARESM2197Q107 — 36,741 shares $413,704
OCEANEERING INTL INCCOM675232102 — 9,434 shares $411,605
INGREDION INCCOM457187102 — 4,296 shares $411,560
UNITEDHEALTH GROUP INCCOM91324P102 — 1,120 shares $411,130
CNO FINL GROUP INCCOM12621E103 — 7,752 shares $410,156
BANCO BILBAO VIZCAYA ARGENTASPONSORED ADR05946K101 — 14,690 shares $409,399
INVESCO EXCH TRADED FD TR IIS&P 500 REVENUE46138G698 — 3,173 shares $408,335
VODAFONE GROUP PLCSPONSORED ADR92857W308 — 25,270 shares $408,107
CLOVER HEALTH INVESTMENTS COCOM CL A18914F103 — 94,500 shares $407,295
GAP INCCOM364760108 — 17,798 shares $406,499
INSIGHT ENTERPRISES INCCOM45765U103 — 2,598 shares $406,119