Comfort Systems USA, Inc. (FIX) ownership: Top institutional holder: BlackRock, Inc. ($4.84B). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 3512927.00 | $4.84B | 2026-03-31 |
| VANGUARD GROUP INC | 4310126.00 | $4.02B | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2285949.00 | $3.15B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1881184.00 | $2.59B | 2026-03-31 |
| STATE STREET CORP | 1471879.00 | $2.03B | 2026-03-31 |
| FMR LLC | 1449517.00 | $2.00B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 1238619.00 | $1.71B | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 1116230.00 | $1.49B | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.