Comfort Systems
754 hedge funds and large institutions have $18.1B invested in Comfort Systems in 2025 Q2 according to their latest regulatory filings, with 178 funds opening new positions, 267 increasing their positions, 231 reducing their positions, and 48 closing their positions.
300% more funds holding in top 10
Funds holding in top 10: 4 → 16 (+12)
271% more first-time investments, than exits
New positions opened: 178 | Existing positions closed: 48
66% more capital invested
Capital invested by funds: $10.9B → $18.1B (+$7.24B)
26% more call options, than puts
Call options by funds: $78.2M | Put options by funds: $62.1M
19% more funds holding
Funds holding: 631 → 754 (+123)
16% more repeat investments, than reductions
Existing positions increased: 267 | Existing positions reduced: 231
0.77% more ownership
Funds ownership: 95.16% → 95.93% (+0.77%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$110M |
| 2 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$93.1M |
| 3 |
TP
Third Point
New York
|
+$80.6M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$71.7M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$63.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Investments
New York
|
-$71.9M |
| 2 |
Millennium Management
New York
|
-$70.7M |
| 3 |
MP
Munro Partners
Melbourne,
Australia
|
-$66.7M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$65.8M |
| 5 |
Jennison Associates
New York
|
-$61.1M |
FIX Hedge Fund Activity: Q2 2025 in Review
754 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Comfort Systems (FIX) for Q2 2025, worth a combined $18.1B — up 66% from $10.9B a quarter earlier.
Buyers outnumbered sellers: 178 funds opened new FIX positions and 48 closed out — a net gain of 130 holders — while 267 added to existing stakes and 231 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $110M. The largest seller was Two Sigma Investments, cutting an estimated $71.9M.
- 754 institutional investors held Comfort Systems (FIX) as of Q2 2025, up from 631 in Q1 2025.
- Funds reported $18.1B of Comfort Systems stock for Q2 2025, up 66% quarter-over-quarter.
- 178 funds opened new Comfort Systems positions in Q2 2025 and 48 closed out, a net change of +130 holders.
- The largest Comfort Systems buyer in Q2 2025 was AQR Capital Management, an estimated $110M added.
- The largest Comfort Systems seller in Q2 2025 was Two Sigma Investments, an estimated $71.9M sold.
Based on aggregated 13F filings for Q2 2025.