FIX COMFORT SYSTEMS USA INC: institutional ownership and insider trading
1,409 funds reported holding $74.9B of COMFORT SYSTEMS USA INC in their latest 13F filings; in Q2 2026 funds net bought $452M, with 233 new positions and 80 funds selling out; over the last 12 months insiders bought $0 and sold $185M on the open market.
Famous investors holding FIX
- Ray Dalio (Bridgewater Associates): $96.1M, 0.4% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $151M, 0.2% of the portfolio
- Tom Gayner (Markel Group): $25.8M, 0.2% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $219M, 0.1% of the portfolio
- Philippe Laffont (Coatue Management): $35.3M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $531M, 0.1% of the portfolio
- Izzy Englander (Millennium Management): $101M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $21.3M, 0.0% of the portfolio
Largest institutional holders of FIX
- BlackRock, Inc. (BLK) — $6.73B
- VANGUARD CAPITAL MANAGEMENT LLC — $4.55B
- VANGUARD GROUP INC — $4.02B
- Banque Cantonale Vaudoise — $3.95B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $3.70B
- FMR LLC — $3.29B
- STATE STREET CORP (STT, STT-PG) — $3.05B
- GEODE CAPITAL MANAGEMENT, LLC — $2.29B
- AQR CAPITAL MANAGEMENT LLC — $2.08B
- JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $1.63B
Recent FIX insider trades
- Aug 26, 2026: Lane Brian E. sold 16,024 shares ($25.8M)
- Aug 17, 2026: George William Iii sold 2,554 shares ($4.75M)
- Aug 11, 2026: Myers Franklin sold 7,500 shares ($12.7M)
- Jun 24, 2026: Myers Franklin sold 6,700 shares ($13.1M)
Members of Congress trading FIX
- Dec 4, 2025: Byron Donalds bought $1.00K–$15.0K
- Dec 4, 2025: Byron Donalds bought $1.00K–$15.0K
- Jan 13, 2025: Robert P. Bresnahan, Jr. sold $1.00K–$15.0K
5%+ owners
- Vanguard Capital Management: 7.5% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Portfolio Management: 5.4% (Schedule 13G, filed Apr 29, 2026)