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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)
NETSKOPE INCCL A64119N608 — 315,362 shares $5,499,913
SCHWAB STRATEGIC TRUS LCAP GR ETF808524300 — 152,377 shares $5,474,912
SAMSARA INCCOM CL A79589L106 — 142,951 shares $5,450,708
MILLERKNOLL INCCOM600544100 — 276,755 shares $5,441,003
CREDO TECHNOLOGY GROUP HOLDIORDINARY SHARESG25457105 — 27,791 shares $5,413,409
ISHARES TRGLOBAL 100 ETF464287572 — 37,364 shares $5,380,791
SOLID BIOSCIENCES INCCOM NEW83422E204 — 742,080 shares $5,365,238
FIRSTSERVICE CORP NEWCOM33767E202 — 41,952 shares $5,364,861
TETRA TECH INC NEWCOM88162G103 — 160,548 shares $5,290,052
TELIX PHARMACEUTICAL LTDSPONSORED ADS87961M105 — 480,685 shares $5,273,114
D R HORTON INCCOM23331A109 — 38,237 shares $5,225,059
SELECT SECTOR SPDR TRST STR INDL ETF81369Y704 — 31,243 shares $5,216,909
WILLIAMS SONOMA INCCOM969904101 — 22,740 shares $5,183,248
TRIMBLE INCCOM896239100 — 90,643 shares $5,176,622
ISHARES TRCORE HIGH DV ETF46429B663 — 184,529 shares $5,159,422
PROCORE TECHNOLOGIES INCCOM74275K108 — 99,606 shares $5,151,605
KORN FERRYCOM NEW500643200 — 71,766 shares $5,137,747
OPTIMIZERX CORPCOM NEW68401U204 — 615,195 shares $5,136,880
DFA INVT DIMENSIONS GROUP INU.S. CORE EQTY 125239Y220 — 62,072 shares $5,130,872
ISHARES TR1 3 YR TREAS BD464287457 — 63,049 shares $5,119,562
ISHARES TRINTL SEL DIV ETF464288448 — 120,313 shares $5,076,001
WASTE CONNECTIONS INCCOM94106B101 — 32,839 shares $5,054,890
SLB LIMITEDCOM STK806857108 — 103,297 shares $5,032,627
MEDPACE HLDGS INCCOM58506Q109 — 8,059 shares $5,030,267
J P MORGAN EXCHANGE TRADED FNASDAQ EQT PREM46654Q203 — 81,580 shares $4,997,604
AMPLIFY ETF TRCWP ENHANCED DIV032108409 — 107,473 shares $4,996,433
CARVANA COCL A146869102 — 79,889 shares $4,996,273
BOOZ ALLEN HAMILTON HLDG CORCL A099502106 — 71,960 shares $4,995,490
THREDUP INCCL A88556E102 — 2,349,615 shares $4,981,184
KINSALE CAP GROUP INCCOM49714P108 — 15,357 shares $4,956,570
ROBINHOOD MKTS INCCOM CL A770700102 — 43,817 shares $4,929,372
WISDOMTREE TRJAPN HEDGE EQT97717W851 — 27,067 shares $4,887,019
VENTAS INCCOM92276F100 — 57,272 shares $4,869,302
LUMENTUM HLDGS INCCOM55024U109 — 5,005 shares $4,861,468
INNOVATOR ETFS TRUSTUS EQTY PWR BUF45782C383 — 98,272 shares $4,811,289
ITT INCCOM45073V108 — 23,472 shares $4,737,026
BEST BUY INCCOM086516101 — 53,622 shares $4,731,617
WEC ENERGY GROUP INCCOM92939U106 — 46,700 shares $4,706,396
ISHARES TRMRGSTR MD CP GRW464288307 — 50,040 shares $4,698,241
AAR CORPCOM000361105 — 46,251 shares $4,693,089
ROSS STORES INCCOM778296103 — 20,002 shares $4,668,417
COMFORT SYS USA INCCOM199908104 — 2,821 shares $4,666,668
INNOVATOR ETFS TRUSTUS EQTY PWR BUF45782C656 — 98,849 shares $4,632,064
CORE SCIENTIFIC INC NEWCOM21874A106 — 288,916 shares $4,616,878
DUTCH BROS INCCL A26701L100 — 119,732 shares $4,616,866
SYMBOTIC INCCLASS A COM87151X101 — 108,983 shares $4,584,915
PAYPAL HLDGS INCCOM70450Y103 — 87,267 shares $4,584,154
SEAGATE TECHNOLOGY HLDNGS PLORD SHSG7997R103 — 4,965 shares $4,579,508
LULULEMON ATHLETICA INCCOM550021109 — 47,531 shares $4,571,962
BP PLCSPONSORED ADR055622104 — 103,916 shares $4,571,260
PORTILLOS INCCOM CL A73642K106 — 1,286,930 shares $4,542,863
TEMPUS AI INCCL A88023B103 — 54,319 shares $4,448,726
SBA COMMUNICATIONS CORPCL A78410G104 — 27,342 shares $4,377,993
DATADOG INCCL A COM23804L103 — 15,929 shares $4,362,056
QNITY ELECTRONICS INCCOMMON STOCK74743L100 — 34,680 shares $4,360,619
INNOVATOR ETFS TRUSTUS SMALL CAP PWR45784N833 — 153,670 shares $4,319,664
CITIZENS FINL GROUP INCCOM174610105 — 67,071 shares $4,276,450
ISHARES TRSHRT NAT MUN ETF464288158 — 40,852 shares $4,270,669
SPDR SERIES TRUSTST INTER BD ETF78464A375 — 130,390 shares $4,208,977
LPL FINL HLDGS INCCOM50212V100 — 13,698 shares $4,188,905
REALTY INCOME CORPCOM756109104 — 76,168 shares $4,135,897
BIOGEN INCCOM09062X103 — 18,304 shares $4,134,582
ISHARES TRTIPS BD ETF464287176 — 39,630 shares $4,123,109
PROLOGIS INC.COM74340W103 — 31,607 shares $4,103,904
DIGITAL RLTY TR INCCOM253868103 — 23,377 shares $4,103,378
ICICI BK LTDADR45104G104 — 148,715 shares $4,097,109
NVIDIA CORPORATIONCOM67066G104 — 17,920 shares $4,092,570
SPDR SERIES TRUSTST STR P500GRW78464A409 — 33,227 shares $4,089,537
ISHARES TRIBOXX HI YD ETF464288513 — 52,841 shares $4,079,846
GCM GROSVENOR INCCOM CL A36831E108 — 315,007 shares $4,060,446
SELECT SECTOR SPDR TRST STR UTIL ETF81369Y886 — 102,371 shares $4,037,519
OLD SECOND BANCORP INC DELCOM680277100 — 162,889 shares $3,989,153
LABCORP HOLDINGS INCCOM SHS504922105 — 12,787 shares $3,939,696
HENRY JACK & ASSOC INCCOM426281101 — 27,480 shares $3,936,177
BECTON DICKINSON & COCOM075887109 — 21,982 shares $3,934,867
VANGUARD WORLD FDENERGY ETF92204A306 — 22,817 shares $3,928,240
STRATEGY INCCL A NEW594972408 — 25,569 shares $3,914,315
ADAPTIVE BIOTECHNOLOGIES CORCOM00650F109 — 135,151 shares $3,905,864
L3HARRIS TECHNOLOGIES INCCOM502431109 — 16,407 shares $3,884,791
INTERNATIONAL PAPER COCOM460146103 — 116,590 shares $3,867,283
FREEPORT MCMORAN INCCL B35671D857 — 55,188 shares $3,863,182
DOCUSIGN INCCOM256163106 — 57,409 shares $3,855,018
CARMAX INCCOM143130102 — 69,626 shares $3,837,099
SHAKE SHACK INCCL A819047101 — 65,247 shares $3,828,694
HEICO CORP NEWCL A422806208 — 16,584 shares $3,786,613
FIRST TR EXCHANGE-TRADED FDNASDQ CLN EDGE33737A108 — 21,376 shares $3,785,903
FIRST TR EXCHANGE-TRADED FDSHS33734H106 — 80,485 shares $3,775,562
CANADIAN NATL RY COCOM136375102 — 31,662 shares $3,764,582
AXSOME THERAPEUTICS INC.COM05464T104 — 20,410 shares $3,763,400
AFFILIATED MANAGERS GROUPCOM008252108 — 10,280 shares $3,758,481
ISHARES TRS&P MC 400GR ETF464287606 — 33,954 shares $3,721,739
SIMON PPTY GROUP INC NEWCOM828806109 — 18,486 shares $3,711,303
FEDERAL SIGNAL CORPCOM313855108 — 33,449 shares $3,705,852
INNOVATOR ETFS TRUSTUS SMALL CAP PWR45783Y137 — 130,631 shares $3,700,776
WILLIAMS COS INCCOM969457100 — 53,916 shares $3,664,672
VISTRA CORPCOM92840M102 — 26,224 shares $3,628,058
ISHARES TRISHARES BIOTECH464287556 — 17,060 shares $3,591,740
JOHNSON CONTROLS INTERNATIONSHSG51502105 — 24,057 shares $3,576,091
AMERICAN CENTY ETF TRUS SML CP VALU025072877 — 30,022 shares $3,535,719
LITTELFUSE INCCOM537008104 — 8,311 shares $3,521,827