Blair William & Co 13F Holdings
Blair William & Co's holdings from its Form 13F-HR filing for the quarter ended June 30, 2026, compared with the previous quarter (March 31, 2026). 13F filings list the long U.S. equity positions held by institutional investment managers with over $100 million under management.
Quarter
Q2 2026
Reported 13F value
$38.4B
Largest holding
Apple Inc
Biggest Buys (Q2 2026)
| Security | Change | Value of change | % of portfolio |
|---|---|---|---|
| HONEYWELL INTL INC | New position | $101.7M | 0.27% |
| HONEYWELL AEROSPACE INC | New position | $100.4M | 0.26% |
| ARISTA NETWORKS INC (COM SHS) | +453,500 sh | $66.4M | 0.71% |
| INVESCO EXCHANGE TRADED FD T (S&P500 EQL WGT) | +301,800 sh | $61.1M | 1.10% |
| VANGUARD INDEX FDS (TOTAL STK MKT) | +156,100 sh | $53.9M | 0.51% |
| SERVICENOW INC | +439,000 sh | $44.7M | 0.58% |
| MIAMI INTL HLDGS INC | +1.10M sh | $42.0M | 0.17% |
| FIRST TR EXCHANGE TRADED FD (RISNG DIVD ACHIV) | +550,200 sh | $41.1M | 0.30% |
| INVESCO QQQ TR (UNIT SER 1) | +48,200 sh | $31.7M | 0.69% |
| ASML HLDG NV (N Y REGISTRY SHS) | +18,500 sh | $30.6M | 0.16% |
Biggest Sells (Q2 2026)
| Security | Change | Value of change | % of portfolio |
|---|---|---|---|
| EXXON MOBIL CORP | Sold out | -$160.6M | 0.00% |
| HONEYWELL INTL INC | Sold out | -$66.9M | 0.00% |
| DANAHER CORP DEL | -325,700 sh | -$61.9M | 0.48% |
| COPART INC | -1.92M sh | -$58.9M | 0.16% |
| VEEVA SYS INC (CL A COM) | -316,800 sh | -$55.9M | 0.35% |
| APPLE INC | -199,400 sh | -$54.1M | 4.32% |
| STRYKER CORPORATION | -163,300 sh | -$52.5M | 0.56% |
| VERISK ANALYTICS INC | -276,700 sh | -$51.1M | 0.05% |
| INTERCONTINENTAL EXCHANGE IN | -309,800 sh | -$43.4M | 0.41% |
| MASTERCARD INCORPORATED (CL A) | -81,000 sh | -$41.1M | 1.13% |
Top 50 Holdings
| Security | Value | % of portfolio | Change in shares |
|---|---|---|---|
| APPLE INC | $1.7B | 4.32% | -3.36% |
| AMAZON COM INC | $1.4B | 3.65% | -3.02% |
| MICROSOFT CORP | $1.3B | 3.35% | -1.59% |
| NVIDIA CORPORATION | $1.1B | 2.80% | -0.98% |
| ALPHABET INC (CAP STK CL C) | $1.0B | 2.72% | -2.70% |
| ALPHABET INC (CAP STK CL A) | $858.6M | 2.24% | -1.38% |
| GE VERNOVA INC | $775.0M | 2.02% | -0.74% |
| JPMORGAN CHASE & CO | $743.2M | 1.94% | -1.60% |
| STATE STR SPDR S&P 500 ETF T (TR UNIT) | $633.3M | 1.65% | +0.32% |
| VISA INC (COM CL A) | $631.8M | 1.65% | -0.16% |
| COSTCO WHOLESALE CORPORATION | $490.8M | 1.28% | +0.66% |
| IDEXX LABS INC | $483.6M | 1.26% | -2.94% |
| AMPHENOL CORP (CL A) | $441.6M | 1.15% | -0.63% |
| MASTERCARD INCORPORATED (CL A) | $432.6M | 1.13% | -8.78% |
| INVESCO EXCHANGE TRADED FD T (S&P500 EQL WGT) | $421.8M | 1.10% | +17.96% |
| PALO ALTO NETWORKS INC | $418.3M | 1.09% | -6.00% |
| ELI LILLY & CO | $416.3M | 1.08% | +7.12% |
| META PLATFORMS INC (CL A) | $377.9M | 0.98% | -7.04% |
| VANGUARD INTL EQUITY INDEX F (ALLWRLD EX US) | $375.1M | 0.98% | +7.45% |
| MICRON TECHNOLOGY INC | $364.6M | 0.95% | -4.95% |
| ISHARES TR (CORE S&P500 ETF) | $363.0M | 0.95% | -0.23% |
| FASTENAL CO | $355.8M | 0.93% | +0.45% |
| BROADCOM INC | $351.2M | 0.91% | +1.24% |
| ABBVIE INC | $324.1M | 0.84% | -3.47% |
| VANGUARD TAX-MANAGED FDS (VAN FTSE DEV MKT) | $305.7M | 0.80% | +11.11% |
| BWX TECHNOLOGIES INC | $303.0M | 0.79% | +8.23% |
| VANGUARD INDEX FDS (S&P 500 ETF SHS) | $288.0M | 0.75% | +5.53% |
| ARISTA NETWORKS INC (COM SHS) | $272.6M | 0.71% | +39.39% |
| VANGUARD INDEX FDS (VALUE ETF) | $268.6M | 0.70% | +5.71% |
| INVESCO QQQ TR (UNIT SER 1) | $264.5M | 0.69% | +15.50% |
| WALMART INC | $257.2M | 0.67% | -4.36% |
| HOME DEPOT INC | $246.0M | 0.64% | -8.38% |
| JOHNSON & JOHNSON | $242.9M | 0.63% | +0.07% |
| BERKSHIRE HATHAWAY INC DEL (CL B NEW) | $242.0M | 0.63% | -2.37% |
| EVERPURE INC (CL A) | $240.2M | 0.63% | +4.46% |
| ECOLAB INC | $238.0M | 0.62% | -1.40% |
| WATSCO INC | $235.0M | 0.61% | -3.21% |
| AMERICAN EXPRESS CO | $230.1M | 0.60% | -1.94% |
| PROGRESSIVE CORP | $225.9M | 0.59% | -15.22% |
| SERVICENOW INC | $222.4M | 0.58% | +24.38% |
| TRANSDIGM GROUP INC | $219.7M | 0.57% | -0.77% |
| STRYKER CORPORATION | $215.5M | 0.56% | -19.26% |
| ISHARES TR (RUSSELL 2000 ETF) | $210.6M | 0.55% | +11.59% |
| CROWDSTRIKE HLDGS INC (CL A) | $207.8M | 0.54% | +7.87% |
| UBER TECHNOLOGIES INC | $201.7M | 0.53% | -15.31% |
| VANGUARD INDEX FDS (TOTAL STK MKT) | $195.6M | 0.51% | +41.94% |
| AAON INC (COM PAR $0.004) | $194.5M | 0.51% | -5.47% |
| BOEING CO | $190.1M | 0.50% | -4.74% |
| DANAHER CORP DEL | $185.0M | 0.48% | -25.12% |
| CINTAS CORP | $180.9M | 0.47% | +9.24% |
Values are as reported in the filing, adjusted for stock splits. Ranked by market value; options and other non-equity positions may be included where the filing lists them.
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