BLAIR WILLIAM & CO/IL
13F Reported Value
ⓘ$38.4B
Holdings
1,998
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
BLAIR WILLIAM & CO/IL disclosed 1,998 positions worth $38.4B in its Form 13F-HR for Q2 2026, led by $AAPL (Apple Inc.) at 4.3% of the equity portfolio, followed by $AMZN and $MSFT. During the quarter the fund opened 158 new positions and exited 83 — including a new stake in $HONA and a full exit from $XOM.R34088. The portfolio is most concentrated in Technology (34.1% of disclosed assets). All figures are sourced directly from BLAIR WILLIAM & CO/IL’s Form 13F-HR filing with the SEC under CIK 902367.
AI Fund Analysis
StableSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 76.4#84
Quality
$1.7B5,731,525 sh - 68.7#300
Quality
$1.4B5,875,124 sh - 79.8#31
Quality
$1.3B3,442,574 sh - 85.9
Quality
$1.1B5,374,424 sh - 78.2
Quality
$1.0B2,953,724 sh - 78.2
Quality
$858.6M2,402,621 sh - 81.1
Quality
$775.0M659,673 sh - 70.7
Quality
$743.2M2,270,360 sh - —
Quality
$633.3M848,034 sh - 82.9
Quality
$631.8M1,841,604 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| 76.4#84 | $1.7B | 5,731,525 | |
| 68.7#300 | $1.4B | 5,875,124 | |
| 79.8#31 | $1.3B | 3,442,574 | |
| 85.9 | $1.1B | 5,374,424 | |
| 78.2 | $1.0B | 2,953,724 | |
| 78.2 | $858.6M | 2,402,621 | |
| 81.1 | $775.0M | 659,673 | |
| 70.7 | $743.2M | 2,270,360 | |
| — | $633.3M | 848,034 | |
| 82.9 | $631.8M | 1,841,604 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of BLAIR WILLIAM & CO/IL's 1,998 positions.
Showing top 10 of 1,998 holdings.
Sector Allocation
Technology
$13.1B
Other
$6.6B
Financials
$5.1B
Consumer Discretionary
$4.0B
Industrials
$3.7B
Healthcare
$3.0B
Materials
$723.5M
Consumer Staples
$610.4M
Top Holdings — BLAIR WILLIAM & CO/IL (Q2 2026)
Top 150 of 1,998 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | Apple Inc. | $1.7B | 4.3% | -3% | 76.4 | |
| 2 | AMAZON COM INC | $1.4B | 3.6% | -3% | 68.7 | |
| 3 | MICROSOFT CORP | $1.3B | 3.4% | -2% | 79.8 | |
| 4 | NVIDIA CORP | $1.1B | 2.8% | -1% | 85.9 | |
| 5 | Alphabet Inc. | $1.0B | 2.7% | -3% | 78.2 | |
| 6 | Alphabet Inc. | $858.6M | 2.2% | -1% | 78.2 | |
| 7 | GE Vernova Inc. | $775.0M | 2.0% | -1% | 81.1 | |
| 8 | JPMORGAN CHASE & CO | $743.2M | 1.9% | -2% | 70.7 | |
| 9 | SPDR S&P 500 ETF TRUST | $633.3M | 1.6% | +0% | — | |
| 10 | VISA INC. | $631.8M | 1.6% | -0% | 82.9 | |
| 11 | COSTCO WHOLESALE CORP /NEW | $490.8M | 1.3% | +1% | 66.2 | |
| 12 | IDEXX LABORATORIES INC /DE | $483.6M | 1.3% | -3% | 73.8 | |
| 13 | AMPHENOL CORP /DE/ | $441.6M | 1.1% | -1% | 79.3 | |
| 14 | Mastercard Inc | $432.6M | 1.1% | -9% | 85.1 | |
| 15 | Invesco Ltd. | $421.8M | 1.1% | +18% | — | |
| 16 | Palo Alto Networks Inc | $418.3M | 1.1% | -6% | 65.5 | |
| 17 | ELI LILLY & Co | $416.3M | 1.1% | +7% | 87.5 | |
| 18 | Meta Platforms, Inc. | $377.9M | 1.0% | -7% | 79.6 | |
| 19 | — | VANGUARD INTL EQUITY INDEX F - ALLWRLD EX US | $375.1M | 1.0% | +7% | — |
| 20 | MICRON TECHNOLOGY INC | $364.6M | 0.9% | -5% | 86.2 | |
| 21 | — | ISHARES TR - CORE S&P500 ETF | $363.0M | 0.9% | -0% | — |
| 22 | FASTENAL CO | $355.8M | 0.9% | +0% | 66.9 | |
| 23 | Broadcom Inc. | $351.2M | 0.9% | +1% | 84.5 | |
| 24 | AbbVie Inc. | $324.1M | 0.8% | -3% | 72.6 | |
| 25 | — | VANGUARD TAX-MANAGED FDS - VAN FTSE DEV MKT | $305.7M | 0.8% | +11% | — |
| 26 | BWX Technologies, Inc. | $303.0M | 0.8% | +8% | 63.8 | |
| 27 | — | VANGUARD INDEX FDS - S&P 500 ETF SHS | $288.0M | 0.8% | +6% | — |
| 28 | Arista Networks, Inc. | $272.6M | 0.7% | +39% | 81.9 | |
| 29 | — | VANGUARD INDEX FDS - VALUE ETF | $268.6M | 0.7% | +6% | — |
| 30 | INVESCO QQQ TRUST, SERIES 1 | $264.5M | 0.7% | +15% | — | |
| 31 | Walmart Inc. | $257.2M | 0.7% | -4% | 60.2 | |
| 32 | HOME DEPOT, INC. | $246.0M | 0.6% | -8% | 60.3 | |
| 33 | JOHNSON & JOHNSON | $242.9M | 0.6% | +0% | 69 | |
| 34 | BERKSHIRE HATHAWAY INC | $242.0M | 0.6% | -2% | 73.8 | |
| 35 | — | EVERPURE INC - CL A | $240.2M | 0.6% | +4% | — |
| 36 | ECOLAB INC. | $238.0M | 0.6% | -1% | 63.3 | |
| 37 | WATSCO INC | $235.0M | 0.6% | -3% | 51.5 | |
| 38 | AMERICAN EXPRESS CO | $230.1M | 0.6% | -2% | 69.4 | |
| 39 | PROGRESSIVE CORP/OH/ | $225.9M | 0.6% | -15% | 80.1 | |
| 40 | ServiceNow, Inc. | $222.4M | 0.6% | +24% | 72.9 | |
| 41 | TransDigm Group INC | $219.7M | 0.6% | -1% | 68 | |
| 42 | STRYKER CORP | $215.5M | 0.6% | -19% | 72.1 | |
| 43 | — | ISHARES TR - RUSSELL 2000 ETF | $210.6M | 0.6% | +12% | — |
| 44 | CrowdStrike Holdings, Inc. | $207.8M | 0.5% | +8% | 67.7 | |
| 45 | Uber Technologies, Inc | $201.7M | 0.5% | -15% | 73.5 | |
| 46 | — | VANGUARD INDEX FDS - TOTAL STK MKT | $195.6M | 0.5% | +42% | — |
| 47 | AAON, INC. | $194.5M | 0.5% | -5% | 56.4 | |
| 48 | BOEING CO | $190.1M | 0.5% | -5% | 61.6 | |
| 49 | DANAHER CORP /DE/ | $185.0M | 0.5% | -25% | 64.8 | |
| 50 | CINTAS CORP | $180.9M | 0.5% | +9% | 68.7 | |
| 51 | — | VANGUARD SPECIALIZED FUNDS - DIV APP ETF | $170.0M | 0.4% | +4% | — |
| 52 | QUANTA SERVICES, INC. | $161.8M | 0.4% | -1% | 72.1 | |
| 53 | INTUITIVE SURGICAL INC | $158.1M | 0.4% | -6% | 79.9 | |
| 54 | Marvell Technology, Inc. | $158.0M | 0.4% | -27% | 76.5 | |
| 55 | Intercontinental Exchange, Inc. | $158.0M | 0.4% | -19% | 73.7 | |
| 56 | GOLDMAN SACHS GROUP INC | $148.9M | 0.4% | -6% | 73.5 | |
| 57 | CURTISS WRIGHT CORP | $140.6M | 0.4% | +11% | 69.5 | |
| 58 | ROCKWELL AUTOMATION, INC | $139.8M | 0.4% | -1% | 63.6 | |
| 59 | RBC Bearings INC | $139.0M | 0.4% | -1% | 66.8 | |
| 60 | INTERNATIONAL BUSINESS MACHINES CORP | $136.7M | 0.4% | -6% | 70 | |
| 61 | ADVANCED MICRO DEVICES INC | $136.6M | 0.4% | +16% | 79.8 | |
| 62 | SPDR GOLD TRUST | $133.6M | 0.3% | -6% | — | |
| 63 | VEEVA SYSTEMS INC | $133.3M | 0.3% | -30% | 77.6 | |
| 64 | UNION PACIFIC CORP | $132.7M | 0.3% | -5% | 69.7 | |
| 65 | — | VANGUARD INDEX FDS - GROWTH ETF | $131.5M | 0.3% | +510% | — |
| 66 | — | ISHARES TR - CORE S&P US VLU | $131.0M | 0.3% | +2% | — |
| 67 | PROCTER & GAMBLE Co | $130.2M | 0.3% | -1% | 64.6 | |
| 68 | CATERPILLAR INC | $129.4M | 0.3% | +3% | 66.5 | |
| 69 | HEICO CORP | $127.4M | 0.3% | +6% | 75.6 | |
| 70 | — | ISHARES TR - RUS 1000 GRW ETF | $120.9M | 0.3% | +266% | — |
| 71 | LINDE PLC | $120.6M | 0.3% | -0% | — | |
| 72 | CHEVRON CORP | $120.5M | 0.3% | +2% | 62.8 | |
| 73 | Aon plc | $119.6M | 0.3% | -14% | — | |
| 74 | Blackstone Inc. | $119.0M | 0.3% | -14% | 74.4 | |
| 75 | Merck & Co., Inc. | $118.3M | 0.3% | +2% | 59.9 | |
| 76 | — | FIRST TR EXCHANGE TRADED FD - RISNG DIVD ACHIV | $116.0M | 0.3% | +62% | — |
| 77 | Live Nation Entertainment, Inc. | $115.0M | 0.3% | -5% | 52.9 | |
| 78 | Tesla, Inc. | $114.9M | 0.3% | -8% | 53.9 | |
| 79 | COCA COLA CO | $113.5M | 0.3% | -1% | 69.5 | |
| 80 | DEXCOM INC | $112.2M | 0.3% | -14% | 76 | |
| 81 | WASTE MANAGEMENT INC | $109.5M | 0.3% | +1% | 67.6 | |
| 82 | AMETEK INC/ | $105.5M | 0.3% | -5% | 69.7 | |
| 83 | JONES LANG LASALLE INC | $105.5M | 0.3% | +1% | 64.2 | |
| 84 | — | ISHARES TR - MSCI EAFE ETF | $103.3M | 0.3% | +4% | — |
| 85 | HONEYWELL INTERNATIONAL INC | $101.7M | 0.3% | +54% | 65 | |
| 86 | CISCO SYSTEMS, INC. | $100.7M | 0.3% | +4% | 70.3 | |
| 87 | Honeywell Aerospace Inc. | $100.4M | 0.3% | NEW | — | |
| 88 | GENERAL DYNAMICS CORP | $98.8M | 0.3% | -5% | 68.7 | |
| 89 | O REILLY AUTOMOTIVE INC | $97.1M | 0.3% | -5% | 67.4 | |
| 90 | ILLINOIS TOOL WORKS INC | $97.1M | 0.3% | -0% | 63.6 | |
| 91 | DEERE & CO | $96.9M | 0.3% | +3% | 55.4 | |
| 92 | STARBUCKS CORP | $96.7M | 0.3% | +1% | 58.2 | |
| 93 | ABBOTT LABORATORIES | $96.5M | 0.3% | -20% | 65.5 | |
| 94 | GENERAC HOLDINGS INC. | $95.3M | 0.3% | -6% | 54.4 | |
| 95 | — | ISHARES TR - CORE S&P US GWT | $94.3M | 0.3% | +5% | — |
| 96 | MCDONALDS CORP | $91.9M | 0.2% | -2% | 69 | |
| 97 | NETFLIX INC | $91.8M | 0.2% | -27% | 78.8 | |
| 98 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | $91.5M | 0.2% | +39% | — | |
| 99 | — | ISHARES TR - CORE S&P TTL STK | $91.4M | 0.2% | -4% | — |
| 100 | Guidewire Software, Inc. | $89.4M | 0.2% | -26% | 67.3 | |
| 101 | — | SPDR SERIES TRUST - ST STR P400MID | $87.5M | 0.2% | +54% | — |
| 102 | KLA CORP | $87.0M | 0.2% | +799% | 78.6 | |
| 103 | QUALCOMM INC/DE | $86.6M | 0.2% | -4% | 70.5 | |
| 104 | — | ISHARES TR - RUSSELL 3000 ETF | $82.6M | 0.2% | -0% | — |
| 105 | GENERAL ELECTRIC CO | $80.3M | 0.2% | +7% | 73.8 | |
| 106 | Diamondback Energy, Inc. | $80.3M | 0.2% | +3% | 76.1 | |
| 107 | THERMO FISHER SCIENTIFIC INC. | $80.2M | 0.2% | -7% | 65.1 | |
| 108 | — | ISHARES TR - CORE MSCI EAFE | $77.9M | 0.2% | -13% | — |
| 109 | TWILIO INC | $77.7M | 0.2% | +65% | 70.4 | |
| 110 | — | FIRST TR EXCHANGE TRADED FD - SMID RISNG ETF | $77.3M | 0.2% | +21% | — |
| 111 | RTX Corp | $75.9M | 0.2% | +4% | 73.2 | |
| 112 | W.W. GRAINGER, INC. | $74.0M | 0.2% | -0% | 61.8 | |
| 113 | WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP | $72.5M | 0.2% | -5% | 66.3 | |
| 114 | PEPSICO INC | $72.3M | 0.2% | -2% | 63.4 | |
| 115 | UL Solutions Inc. | $70.7M | 0.2% | -4% | 65.2 | |
| 116 | MongoDB, Inc. | $70.0M | 0.2% | -23% | 68.8 | |
| 117 | AMERICAN TOWER CORP /MA/ | $68.9M | 0.2% | -10% | 66.3 | |
| 118 | BANK OF AMERICA CORP /DE/ | $68.6M | 0.2% | +16% | 67.6 | |
| 119 | SCHWAB CHARLES CORP | $68.2M | 0.2% | -17% | 79.4 | |
| 120 | AXON ENTERPRISE, INC. | $67.4M | 0.2% | +14% | 56.6 | |
| 121 | CORNING INC /NY | $65.8M | 0.2% | -12% | 73.7 | |
| 122 | MIAMI INTERNATIONAL HOLDINGS, INC. | $65.8M | 0.2% | +166% | 66.3 | |
| 123 | DigitalOcean Holdings, Inc. | $64.9M | 0.2% | -3% | 67.2 | |
| 124 | — | ISHARES TR - CORE S&P SCP ETF | $62.9M | 0.2% | +5% | — |
| 125 | iRhythm Holdings, Inc. | $62.4M | 0.2% | -17% | 54.8 | |
| 126 | AppLovin Corp | $62.2M | 0.2% | -14% | 84.4 | |
| 127 | ROLLINS INC | $61.6M | 0.2% | -35% | 65 | |
| 128 | ASML HOLDING NV | $61.5M | 0.2% | +149% | — | |
| 129 | RB GLOBAL INC. | $61.3M | 0.2% | -8% | 67.3 | |
| 130 | COPART INC | $60.7M | 0.2% | -47% | 69.1 | |
| 131 | TJX COMPANIES INC /DE/ | $59.8M | 0.2% | +0% | 68.7 | |
| 132 | SHOPIFY INC. | $59.6M | 0.2% | -17% | 64.9 | |
| 133 | MCKESSON CORP | $58.9M | 0.1% | -3% | 63.4 | |
| 134 | NASDAQ, INC. | $58.8M | 0.1% | -27% | 76.7 | |
| 135 | APPLIED MATERIALS INC /DE | $57.8M | 0.1% | +1% | 72.3 | |
| 136 | — | VANGUARD INTL EQUITY INDEX F - FTSE EMR MKT ETF | $57.5M | 0.1% | +14% | — |
| 137 | ALLSTATE CORP | $57.4M | 0.1% | -7% | 78.5 | |
| 138 | BlackRock, Inc. | $56.7M | 0.1% | -0% | 70 | |
| 139 | — | ISHARES TR - RUS 1000 VAL ETF | $56.5M | 0.1% | -10% | — |
| 140 | Motorola Solutions, Inc. | $54.7M | 0.1% | +7% | 71.8 | |
| 141 | AMGEN INC | $54.6M | 0.1% | -3% | 79.2 | |
| 142 | SPDR S&P MIDCAP 400 ETF TRUST | $53.5M | 0.1% | +1% | — | |
| 143 | ENTERPRISE PRODUCTS PARTNERS L.P. | $53.5M | 0.1% | +0% | 61.4 | |
| 144 | MICROCHIP TECHNOLOGY INC | $52.9M | 0.1% | -2% | 52.9 | |
| 145 | — | ISHARES TR - CORE S&P MCP ETF | $52.9M | 0.1% | -0% | — |
| 146 | EMERSON ELECTRIC CO | $50.7M | 0.1% | -9% | 65.3 | |
| 147 | TEXAS INSTRUMENTS INC | $50.6M | 0.1% | +1% | 73.4 | |
| 148 | AUTOMATIC DATA PROCESSING INC | $50.4M | 0.1% | -1% | 69.8 | |
| 149 | Philip Morris International Inc. | $48.8M | 0.1% | +13% | 75.9 | |
| 150 | INTEL CORP | $48.1M | 0.1% | -4% | 45.6 |
New Positions (158)
Exited Positions (83)
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