Blair William & Co/Il
Institutional manager — quarterly 13F holdings, Q ending 2026-06-30
Reported value
$38.39B
Q ending 2026-06-30
Prior quarter
$34.90B
Q ending 2026-03-31
Change
+10.0% QoQ · +6.6% YoY
Positions
1,998
reported holdings
Largest positions
Top 100 of 1,998 reported positions by value, Q ending 2026-06-30. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Apple Inc | AAPL | Shares | $1.66B | 5.7M |
| Amazon Com Inc | AMZN | Shares | $1.40B | 5.9M |
| Microsoft Corp | MSFT | Shares | $1.28B | 3.4M |
| Nvidia Corporation | NVDA | Shares | $1.08B | 5.4M |
| Alphabet Inc | GOOG | Shares | $1.04B | 3.0M |
| Alphabet Inc | GOOGL | Shares | $858.6M | 2.4M |
| Ge Vernova Inc | GEV | Shares | $775.0M | 660K |
| Jpmorgan Chase & Co | JPM | Shares | $743.2M | 2.3M |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $633.3M | 848K |
| Visa Inc | V | Shares | $631.8M | 1.8M |
| Costco Wholesale Corporation | COST | Shares | $490.8M | 525K |
| Idexx Labs Inc | IDXX | Shares | $483.6M | 919K |
| Amphenol Corp | APH | Shares | $441.6M | 2.5M |
| Mastercard Incorporated | MA | Shares | $432.6M | 842K |
| Invesco Exchange Traded Fd T | RSP | Shares | $421.8M | 2.0M |
| Palo Alto Networks Inc | PANW | Shares | $418.3M | 1.2M |
| Eli Lilly & Co | LLY | Shares | $416.3M | 347K |
| Meta Platforms Inc | META | Shares | $377.9M | 671K |
| Vanguard Intl Equity Index F | VEU | Shares | $375.1M | 4.5M |
| Micron Technology Inc | MU | Shares | $364.6M | 316K |
| Ishares Tr | IVV | Shares | $363.0M | 485K |
| Fastenal Co | FAST | Shares | $355.8M | 7.4M |
| Broadcom Inc | AVGO | Shares | $351.2M | 930K |
| Abbvie Inc | ABBV | Shares | $324.1M | 1.3M |
| Vanguard Tax-Managed Fds | VEA | Shares | $305.7M | 4.3M |
| Bwx Technologies Inc | BWXT | Shares | $303.0M | 1.6M |
| Vanguard Index Fds | VOO | Shares | $288.0M | 419K |
| Arista Networks Inc | ANET | Shares | $272.6M | 1.6M |
| Vanguard Index Fds | VTV | Shares | $268.6M | 1.2M |
| Invesco Qqq Tr | QQQ | Shares | $264.5M | 359K |
| Walmart Inc | WMT | Shares | $257.2M | 2.3M |
| Home Depot Inc | HD | Shares | $246.0M | 698K |
| Johnson & Johnson | JNJ | Shares | $242.9M | 956K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $242.0M | 484K |
| Everpure Inc | P | Shares | $240.2M | 3.0M |
| Ecolab Inc | ECL | Shares | $238.0M | 854K |
| Watsco Inc | WSO | Shares | $235.0M | 564K |
| American Express Co | AXP | Shares | $230.1M | 680K |
| Progressive Corp | PGR | Shares | $225.9M | 1.0M |
| Servicenow Inc | NOW | Shares | $222.4M | 2.2M |
| Transdigm Group Inc | TDG | Shares | $219.7M | 165K |
| Stryker Corporation | SYK | Shares | $215.5M | 684K |
| Ishares Tr | IWM | Shares | $210.6M | 701K |
| Crowdstrike Hldgs Inc | CRWD | Shares | $207.8M | 272K |
| Uber Technologies Inc | UBER | Shares | $201.7M | 2.8M |
| Vanguard Index Fds | VTI | Shares | $195.6M | 529K |
| Aaon Inc | AAON | Shares | $194.5M | 1.5M |
| Boeing Co | BA | Shares | $190.1M | 878K |
| Danaher Corp Del | DHR | Shares | $185.0M | 971K |
| Cintas Corp | CTAS | Shares | $180.9M | 1.1M |
| Vanguard Specialized Funds | VIG | Shares | $170.0M | 719K |
| Quanta Svcs Inc | PWR | Shares | $161.8M | 225K |
| Intuitive Surgical Inc | ISRG | Shares | $158.1M | 398K |
| Marvell Technology Inc | MRVL | Shares | $158.0M | 531K |
| Intercontinental Exchange In | ICE | Shares | $158.0M | 1.3M |
| Goldman Sachs Group Inc | GS | Shares | $148.9M | 147K |
| Curtiss Wright Corp | CW | Shares | $140.6M | 186K |
| Rockwell Automation Inc | ROK | Shares | $139.8M | 282K |
| Rbc Bearings Inc | RBC | Shares | $139.0M | 216K |
| International Business Machs | IBM | Shares | $136.7M | 486K |
| Advanced Micro Devices Inc | AMD | Shares | $136.6M | 235K |
| Spdr Gold Tr | GLD | Shares | $133.6M | 363K |
| Veeva Sys Inc | VEEV | Shares | $133.3M | 751K |
| Union Pac Corp | UNP | Shares | $132.7M | 488K |
| Vanguard Index Fds | VUG | Shares | $131.5M | 1.5M |
| Ishares Tr | IUSV | Shares | $131.0M | 1.2M |
| Procter & Gamble Co | PG | Shares | $130.2M | 888K |
| Caterpillar Inc | CAT | Shares | $129.4M | 122K |
| Heico Corp New | HEI | Shares | $127.4M | 358K |
| Ishares Tr | IWF | Shares | $120.9M | 974K |
| Linde Plc | Shares | $120.6M | 232K | |
| Chevron Corporation | CVX | Shares | $120.5M | 727K |
| Aon Plc | Shares | $119.6M | 361K | |
| Blackstone Inc | BX | Shares | $119.0M | 1.0M |
| Merck & Co Inc | MRK | Shares | $118.3M | 921K |
| First Tr Exchange Traded Fd | RDVY | Shares | $116.0M | 1.4M |
| Live Nation Entertainment In | LYV | Shares | $115.0M | 628K |
| Tesla Inc | TSLA | Shares | $114.9M | 273K |
| Coca Cola Co | KO | Shares | $113.5M | 1.4M |
| Dexcom Inc | DXCM | Shares | $112.2M | 1.7M |
| Waste Mgmt Inc Del | WM | Shares | $109.5M | 491K |
| Ametek Inc | AME | Shares | $105.5M | 436K |
| Jones Lang Lasalle Inc | JLL | Shares | $105.5M | 340K |
| Ishares Tr | EFA | Shares | $103.3M | 995K |
| Honeywell Intl Inc | HON | Shares | $101.7M | 454K |
| Cisco Sys Inc | CSCO | Shares | $100.7M | 858K |
| Honeywell Aerospace Inc | HONA | Shares | $100.4M | 454K |
| General Dynamics Corp | GD | Shares | $98.8M | 279K |
| Oreilly Automotive Inc | ORLY | Shares | $97.1M | 1.1M |
| Illinois Tool Wks Inc | ITW | Shares | $97.1M | 359K |
| Deere & Co | DE | Shares | $96.9M | 153K |
| Starbucks Corp | SBUX | Shares | $96.7M | 946K |
| Abbott Laboratories | ABT | Shares | $96.5M | 1.1M |
| Generac Hldgs Inc | GNRC | Shares | $95.3M | 325K |
| Ishares Tr | IUSG | Shares | $94.3M | 501K |
| Mcdonalds Corp | MCD | Shares | $91.9M | 340K |
| Netflix Inc. | NFLX | Shares | $91.8M | 1.3M |
| Taiwan Semiconductor Manufac | TSM | Shares | $91.5M | 192K |
| Ishares Tr | ITOT | Shares | $91.4M | 557K |
| Guidewire Software Inc | GWRE | Shares | $89.4M | 726K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.