BLAIR WILLIAM & CO/IL
Holdings as of 2026-06-30, filed 2026-08-11
This is history, not a current position. These holdings describe 2026-06-30, and the report became public 42 days later. The portfolio has changed since.
Aggregates
computed from the positions belowPositions reported
2,054
Value reported by manager
$38.4B
Sum of our stored positions
$38.4B
should match the line above
Disclosure lag
42 d
quarter end to filing
Top 5 concentration
19.6%
of the positions shown
New positions
0
vs previous quarter
Exited
0
vs previous quarter
Option positions
0
puts and calls
Positions
200 largest shown| Issuer | Class | Value | Shares | Type | CUSIP |
|---|---|---|---|---|---|
| APPLE INC | COM | $1.7B | 5,722,792 | — | 037833100 |
| AMAZON COM INC | COM | $1.4B | 5,870,301 | — | 023135106 |
| MICROSOFT CORP | COM | $1.3B | 3,437,794 | — | 594918104 |
| NVIDIA CORPORATION | COM | $1.1B | 5,356,883 | — | 67066G104 |
| ALPHABET INC | CAP STK CL C | $1B | 2,953,724 | — | 02079K107 |
| ALPHABET INC | CAP STK CL A | $856.8M | 2,397,463 | — | 02079K305 |
| GE VERNOVA INC | COM | $775M | 659,673 | — | 36828A101 |
| JPMORGAN CHASE & CO | COM | $743.2M | 2,270,360 | — | 46625H100 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | $633.3M | 848,034 | — | 78462F103 |
| VISA INC | COM CL A | $631.8M | 1,841,604 | — | 92826C839 |
| COSTCO WHOLESALE CORPORATION | COM | $490.3M | 524,141 | — | 22160K105 |
| IDEXX LABS INC | COM | $483.2M | 917,868 | — | 45168D104 |
| AMPHENOL CORP | CL A | $441.1M | 2,501,607 | — | 032095101 |
| MASTERCARD INCORPORATED | CL A | $431.6M | 840,437 | — | 57636Q104 |
| INVESCO EXCHANGE TRADED FD T | S&P500 EQL WGT | $421.8M | 1,982,392 | — | 46137V357 |
| PALO ALTO NETWORKS INC | COM | $418.3M | 1,226,519 | — | 697435105 |
| ELI LILLY & CO | COM | $416.3M | 347,098 | — | 532457108 |
| META PLATFORMS INC | CL A | $376.8M | 669,007 | — | 30303M102 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | $375.1M | 4,479,218 | — | 922042775 |
| MICRON TECHNOLOGY INC | COM | $364.6M | 315,878 | — | 595112103 |
| ISHARES TR | CORE S&P500 ETF | $363M | 484,704 | — | 464287200 |
| FASTENAL CO | COM | $355.8M | 7,407,059 | — | 311900104 |
| BROADCOM INC | COM | $349.6M | 925,572 | — | 11135F101 |
| ABBVIE INC | COM | $324.1M | 1,287,857 | — | 00287Y109 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | $305.7M | 4,291,023 | — | 921943858 |
| BWX TECHNOLOGIES INC | COM | $303M | 1,556,417 | — | 05605H100 |
| VANGUARD INDEX FDS | S&P 500 ETF SHS | $288M | 419,372 | — | 922908363 |
| ARISTA NETWORKS INC | COM SHS | $272.6M | 1,604,716 | — | 040413205 |
| VANGUARD INDEX FDS | VALUE ETF | $268.6M | 1,232,497 | — | 922908744 |
| INVESCO QQQ TR | UNIT SER 1 | $264.5M | 359,219 | — | 46090E103 |
| WALMART INC | COM | $257.2M | 2,270,879 | — | 931142103 |
| HOME DEPOT INC | COM | $246M | 697,590 | — | 437076102 |
| JOHNSON & JOHNSON | COM | $242.9M | 956,262 | — | 478160104 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | $242M | 483,586 | — | 084670702 |
| EVERPURE INC | CL A | $240.2M | 3,048,094 | — | 74624M102 |
| ECOLAB INC | COM | $238M | 854,294 | — | 278865100 |
| WATSCO INC | COM | $235M | 564,024 | — | 942622200 |
| AMERICAN EXPRESS CO | COM | $230.1M | 680,321 | — | 025816109 |
| PROGRESSIVE CORP | COM | $225.9M | 1,034,104 | — | 743315103 |
| SERVICENOW INC | COM | $222.1M | 2,236,902 | — | 81762P102 |
| TRANSDIGM GROUP INC | COM | $219.7M | 164,960 | — | 893641100 |
| STRYKER CORPORATION | COM | $215.5M | 684,392 | — | 863667101 |
| ISHARES TR | RUSSELL 2000 ETF | $210.6M | 701,051 | — | 464287655 |
| CROWDSTRIKE HLDGS INC | CL A | $207.4M | 271,719 | — | 22788C105 |
| UBER TECHNOLOGIES INC | COM | $201.7M | 2,794,590 | — | 90353T100 |
| VANGUARD INDEX FDS | TOTAL STK MKT | $195.6M | 528,525 | — | 922908769 |
| AAON INC | COM PAR $0.004 | $194.5M | 1,533,434 | — | 000360206 |
| BOEING CO | COM | $190.1M | 878,396 | — | 097023105 |
| DANAHER CORP DEL | COM | $185M | 971,095 | — | 235851102 |
| CINTAS CORP | COM | $180.9M | 1,063,530 | — | 172908105 |
| VANGUARD SPECIALIZED FUNDS | DIV APP ETF | $170M | 718,567 | — | 921908844 |
| QUANTA SVCS INC | COM | $161.8M | 224,665 | — | 74762E102 |
| INTUITIVE SURGICAL INC | COM NEW | $158.1M | 397,640 | — | 46120E602 |
| MARVELL TECHNOLOGY INC | COM | $158M | 530,549 | — | 573874104 |
| INTERCONTINENTAL EXCHANGE IN | COM | $158M | 1,283,754 | — | 45866F104 |
| GOLDMAN SACHS GROUP INC | COM | $148.9M | 147,217 | — | 38141G104 |
| CURTISS WRIGHT CORP | COM | $140.5M | 185,436 | — | 231561101 |
| ROCKWELL AUTOMATION INC | COM | $139.8M | 282,332 | — | 773903109 |
| RBC BEARINGS INC | COM | $139M | 215,880 | — | 75524B104 |
| INTERNATIONAL BUSINESS MACHS | COM | $136.7M | 486,008 | — | 459200101 |
| ADVANCED MICRO DEVICES INC | COM | $135.8M | 233,707 | — | 007903107 |
| SPDR GOLD TR | GOLD SHS | $133.6M | 362,632 | — | 78463V107 |
| VEEVA SYS INC | CL A COM | $133.3M | 750,843 | — | 922475108 |
| UNION PAC CORP | COM | $132.7M | 487,778 | — | 907818108 |
| VANGUARD INDEX FDS | GROWTH ETF | $131.5M | 1,526,650 | — | 922908736 |
| ISHARES TR | CORE S&P US VLU | $131M | 1,189,639 | — | 464287663 |
| PROCTER & GAMBLE CO | COM | $130.2M | 888,116 | — | 742718109 |
| CATERPILLAR INC | COM | $129.4M | 121,522 | — | 149123101 |
| HEICO CORP NEW | COM | $127.4M | 357,664 | — | 422806109 |
| ISHARES TR | RUS 1000 GRW ETF | $120.9M | 973,601 | — | 464287614 |
| CHEVRON CORPORATION | COM | $120.5M | 727,136 | — | 166764100 |
| LINDE PLC | SHS | $120.2M | 231,555 | — | G54950103 |
| AON PLC | SHS CL A | $119.6M | 360,607 | — | G0403H108 |
| BLACKSTONE INC | COM | $119M | 1,011,005 | — | 09260D107 |
| MERCK & CO INC | COM | $118.3M | 920,715 | — | 58933Y105 |
| FIRST TR EXCHANGE TRADED FD | RISNG DIVD ACHIV | $116M | 1,431,021 | — | 33738R506 |
| LIVE NATION ENTERTAINMENT IN | COM | $115M | 628,014 | — | 538034109 |
| TESLA INC | COM | $114.9M | 273,193 | — | 88160R101 |
| COCA COLA CO | COM | $113.5M | 1,397,145 | — | 191216100 |
| DEXCOM INC | COM | $112.2M | 1,665,665 | — | 252131107 |
| WASTE MGMT INC DEL | COM | $109.5M | 491,328 | — | 94106L109 |
| AMETEK INC | COM | $105.5M | 436,176 | — | 031100100 |
| JONES LANG LASALLE INC | COM | $105.5M | 340,350 | — | 48020Q107 |
| ISHARES TR | MSCI EAFE ETF | $103.3M | 994,809 | — | 464287465 |
| HONEYWELL INTL INC | COM | $101.7M | 454,384 | — | 438516205 |
| CISCO SYS INC | COM | $100.7M | 857,629 | — | 17275R102 |
| HONEYWELL AEROSPACE INC | COM | $100.4M | 454,071 | — | 43849R105 |
| GENERAL DYNAMICS CORP | COM | $98.8M | 278,892 | — | 369550108 |
| ILLINOIS TOOL WKS INC | COM | $97.1M | 358,826 | — | 452308109 |
| DEERE & CO | COM | $96.9M | 152,753 | — | 244199105 |
| OREILLY AUTOMOTIVE INC | COM | $96.7M | 1,049,656 | — | 67103H107 |
| STARBUCKS CORP | COM | $96.7M | 945,888 | — | 855244109 |
| ABBOTT LABORATORIES | COM | $96.5M | 1,063,211 | — | 002824100 |
| GENERAC HLDGS INC | COM | $95.3M | 325,426 | — | 368736104 |
| ISHARES TR | CORE S&P US GWT | $94.3M | 501,346 | — | 464287671 |
| MCDONALDS CORP | COM | $91.9M | 340,138 | — | 580135101 |
| NETFLIX INC. | COM | $91.8M | 1,285,481 | — | 64110L106 |
| ISHARES TR | CORE S&P TTL STK | $91.4M | 556,582 | — | 464287150 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | $90.8M | 190,124 | — | 874039100 |
| GUIDEWIRE SOFTWARE INC | COM | $89.4M | 726,387 | — | 40171V100 |
| SPDR SERIES TRUST | ST STR P400MID | $87.5M | 1,294,582 | — | 78464A847 |
| KLA CORP | COM NEW | $87M | 288,392 | — | 482480100 |
| QUALCOMM INC | COM | $86.6M | 468,859 | — | 747525103 |
| ISHARES TR | RUSSELL 3000 ETF | $82.6M | 193,707 | — | 464287689 |
| DIAMONDBACK ENERGY INC | COM | $80.3M | 456,635 | — | 25278X109 |
| THERMO FISHER SCIENTIFIC INC | COM | $80.2M | 160,038 | — | 883556102 |
| GE AEROSPACE | COM NEW | $79.8M | 213,397 | — | 369604301 |
| ISHARES TR | CORE MSCI EAFE | $77.9M | 806,820 | — | 46432F842 |
| TWILIO INC | CL A | $77.7M | 376,430 | — | 90138F102 |
| FIRST TR EXCHANGE TRADED FD | SMID RISNG ETF | $77.3M | 1,792,212 | — | 33741X102 |
| RTX CORPORATION | COM | $75.9M | 400,248 | — | 75513E101 |
| WW GRAINGER INC | COM | $74M | 54,382 | — | 384802104 |
| WABTEC | COM | $72.5M | 268,737 | — | 929740108 |
| PEPSICO INC | COM | $72.3M | 533,851 | — | 713448108 |
| UL SOLUTIONS INC | CLASS A COM SHS | $70.7M | 693,662 | — | 903731107 |
| MONGODB INC | CL A | $70M | 208,408 | — | 60937P106 |
| AMERICAN TOWER CORP | COM | $68.9M | 421,304 | — | 03027X100 |
| BANK OF AMER CORP | COM | $68.6M | 1,204,669 | — | 060505104 |
| SCHWAB CHARLES CORP | COM | $68.2M | 739,229 | — | 808513105 |
| AXON ENTERPRISE INC | COM | $67.4M | 120,294 | — | 05464C101 |
| CORNING INC | COM | $65.8M | 257,541 | — | 219350105 |
| MIAMI INTL HLDGS INC | COM | $65.8M | 1,769,432 | — | 59356Q108 |
| DIGITALOCEAN HLDGS INC | COM | $64.9M | 413,148 | — | 25402D102 |
| ISHARES TR | CORE S&P SCP ETF | $62.9M | 424,298 | — | 464287804 |
| IRHYTHM HOLDINGS INC | COM | $62.4M | 524,690 | — | 450056106 |
| APPLOVIN CORP | COM CL A | $62.2M | 120,816 | — | 03831W108 |
| ROLLINS INC | COM | $61.6M | 1,476,727 | — | 775711104 |
| RB GLOBAL INC | COM | $61.3M | 526,577 | — | 74935Q107 |
| ASML HLDG NV | N Y REGISTRY SHS | $60.9M | 30,599 | — | N07059210 |
| COPART INC | COM | $60.4M | 2,143,903 | — | 217204106 |
| TJX COS INC NEW | COM | $59.8M | 394,916 | — | 872540109 |
| SHOPIFY INC | CL A SUB VTG SHS | $59.6M | 521,868 | — | 82509L107 |
| MCKESSON CORP | COM | $58.9M | 77,919 | — | 58155Q103 |
| NASDAQ INC | COM | $58.8M | 745,415 | — | 631103108 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | $57.5M | 963,167 | — | 922042858 |
| APPLIED MATLS INC | COM | $57.4M | 79,398 | — | 038222105 |
| ALLSTATE CORP | COM | $57.4M | 241,165 | — | 020002101 |
| BLACKROCK INC | COM | $56.7M | 59,013 | — | 09290D101 |
| ISHARES TR | RUS 1000 VAL ETF | $56.5M | 232,981 | — | 464287598 |
| MOTOROLA SOLUTIONS INC | COM NEW | $54.7M | 131,772 | — | 620076307 |
| AMGEN INC | COM | $54.6M | 150,777 | — | 031162100 |
| STATE STR SPDR S&P MIDCAP 40 | UTSER1 S&PDCRP | $53.5M | 76,091 | — | 78467Y107 |
| ENTERPRISE PRODS PARTNERS L | COM | $53.5M | 1,454,489 | — | 293792107 |
| MICROCHIP TECHNOLOGY INC. | COM | $52.9M | 579,940 | — | 595017104 |
| ISHARES TR | CORE S&P MCP ETF | $52.9M | 685,526 | — | 464287507 |
| EMERSON ELEC CO | COM | $50.7M | 354,500 | — | 291011104 |
| AUTOMATIC DATA PROCESSING IN | COM | $50.4M | 225,199 | — | 053015103 |
| TEXAS INSTRS INC | COM | $50.3M | 168,739 | — | 882508104 |
| PHILIP MORRIS INTL INC | COM | $48.8M | 269,614 | — | 718172109 |
| INTEL CORP | COM | $48.1M | 344,628 | — | 458140100 |
| BERKSHIRE HATHAWAY INC DEL | CL A | $47.2M | 63 | — | 084670108 |
| ATI INC | COM | $45.7M | 231,946 | — | 01741R102 |
| MONDELEZ INTL INC | CL A | $44.9M | 776,142 | — | 609207105 |
| ORACLE CORP | COM | $44.8M | 305,552 | — | 68389X105 |
| VANGUARD INDEX FDS | MID CAP ETF | $44.7M | 555,266 | — | 922908629 |
| VERTIV HOLDINGS CO | COM CL A | $44.5M | 132,835 | — | 92537N108 |
| ISHARES TR | RUSEL 2500 ETF | $44M | 480,198 | — | 46435G268 |
| CLOUDFLARE INC | CL A COM | $43.2M | 176,202 | — | 18915M107 |
| NEXTERA ENERGY INC | COM | $43.1M | 490,853 | — | 65339F101 |
| TYLER TECHNOLOGIES INC | COM | $42.9M | 146,784 | — | 902252105 |
| WISDOMTREE TR | FLOATNG RAT TREA | $42.7M | 848,836 | — | 97717Y527 |
| MORGAN STANLEY | COM NEW | $42.3M | 202,578 | — | 617446448 |
| ZOETIS INC | CL A | $42M | 583,869 | — | 98978V103 |
| MONOLITHIC PWR SYS INC | COM | $41.8M | 30,259 | — | 609839105 |
| SILICON MOTION TECHNOLOGY CO | SPONSORED ADR | $41.7M | 125,176 | — | 82706C108 |
| LOWES COS INC | COM | $41.7M | 188,931 | — | 548661107 |
| SALESFORCE INC | COM | $40.1M | 256,268 | — | 79466L302 |
| ROPER TECHNOLOGIES INC | COM | $40.1M | 118,561 | — | 776696106 |
| S&P GLOBAL INC | COM | $39.6M | 97,321 | — | 78409V104 |
| ISHARES GOLD TR | ISHARES NEW | $39.6M | 524,796 | — | 464285204 |
| CAPITAL GROUP DIVIDEND VALUE | SHS CREAT UNIT | $39.6M | 803,848 | — | 14020W106 |
| TOAST INC | CL A | $39.1M | 1,405,951 | — | 888787108 |
| EATON CORP PLC | SHS | $39M | 91,499 | — | G29183103 |
| CUMMINS INC | COM | $38.8M | 54,424 | — | 231021106 |
| DOVER CORP | COM | $37M | 164,904 | — | 260003108 |
| MODINE MFG CO | COM | $36.4M | 136,155 | — | 607828100 |
| FERGUSON ENTERPRISES INC | COMMON STOCK NEW | $36.3M | 153,047 | — | 31488V107 |
| BIO-TECHNE CORP | COM | $36.3M | 513,573 | — | 09073M104 |
| STANDEX INTL CORP | COM | $36.2M | 101,198 | — | 854231107 |
| ISHARES TR | MSCI ACWI EX US | $35.9M | 471,227 | — | 464288240 |
| SCHWAB STRATEGIC TR | US DIVIDEND EQ | $35.2M | 1,108,518 | — | 808524797 |
| PHILLIPS 66 | COM | $34.5M | 204,103 | — | 718546104 |
| WELLS FARGO & CO | COM | $34.5M | 417,307 | — | 949746101 |
| GILEAD SCIENCES INC | COM | $34.5M | 272,940 | — | 375558103 |
| PFIZER INC | COM | $33.9M | 1,406,138 | — | 717081103 |
| DISNEY WALT CO | COM | $33.8M | 351,627 | — | 254687106 |
| BALCHEM CORP | COM | $33.4M | 197,933 | — | 057665200 |
| SPX TECHNOLOGIES INC | COM | $33.1M | 134,956 | — | 78473E103 |
| ISHARES TR | RUS 1000 ETF | $33.1M | 80,773 | — | 464287622 |
| FRANCO NEV CORP | COM | $32.6M | 156,208 | — | 351858105 |
| INNOVATOR ETFS TRUST | US EQTY PWR BUF | $32.6M | 709,499 | — | 45782C540 |
| VANGUARD INDEX FDS | MCAP VL IDXVIP | $32.2M | 163,166 | — | 922908512 |
| CME GROUP INC | COM | $32.2M | 145,845 | — | 12572Q105 |
| EDWARDS LIFESCIENCES CORP | COM | $32.2M | 356,032 | — | 28176E108 |
| METTLER TOLEDO INTERNATIONAL | COM | $31.8M | 24,905 | — | 592688105 |
| INTUIT | COM | $31.3M | 119,900 | — | 461202103 |
| REPUBLIC SVCS INC | COM | $31M | 145,683 | — | 760759100 |
| ZEBRA TECHNOLOGIES CORPORATI | CL A | $30.3M | 114,936 | — | 989207105 |
| VANGUARD WHITEHALL FDS | HIGH DIV YLD | $29.7M | 188,188 | — | 921946406 |
| UNITEDHEALTH GROUP INC | COM | $29.5M | 70,893 | — | 91324P102 |
Values are shown exactly as filed. Before 2023 managers reported in thousands of dollars and afterwards in whole dollars; the reporting unit is not always determinable from the document, so nothing is converted automatically.
Source: U.S. Securities and Exchange Commission, Form 13F · as of 2026-08-11