Comfort Systems
631 hedge funds and large institutions have $10.9B invested in Comfort Systems in 2025 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 276 increasing their positions, 200 reducing their positions, and 123 closing their positions.
38% more repeat investments, than reductions
Existing positions increased: 276 | Existing positions reduced: 200
9% more call options, than puts
Call options by funds: $59.6M | Put options by funds: $54.9M
0.25% less ownership
Funds ownership: 95.41% → 95.16% (-0.25%)
5% less funds holding
Funds holding: 665 → 631 (-34)
20% less first-time investments, than exits
New positions opened: 99 | Existing positions closed: 123
24% less capital invested
Capital invested by funds: $14.4B → $10.9B (-$3.5B)
60% less funds holding in top 10
Funds holding in top 10: 10 → 4 (-6)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$110M |
| 2 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$96.7M |
| 3 |
Capital World Investors
Los Angeles,
California
|
+$68.7M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$67.8M |
| 5 |
Millennium Management
New York
|
+$60.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$387M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$161M |
| 3 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
-$154M |
| 4 |
Goldman Sachs
New York
|
-$122M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
-$110M |
FIX Hedge Fund Activity: Q1 2025 in Review
631 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Comfort Systems (FIX) for Q1 2025, worth a combined $10.9B — down 24% from $14.4B a quarter earlier.
Sellers outnumbered buyers: 123 funds closed out of FIX and 99 opened new positions — a net loss of 24 holders — while 200 trimmed existing stakes and 276 added.
The largest buyer was AQR Capital Management, adding an estimated $110M. The largest seller was BlackRock, cutting an estimated $387M.
- 631 institutional investors held Comfort Systems (FIX) as of Q1 2025, down from 665 in Q4 2024.
- Funds reported $10.9B of Comfort Systems stock for Q1 2025, down 24% quarter-over-quarter.
- 99 funds opened new Comfort Systems positions in Q1 2025 and 123 closed out, a net change of -24 holders.
- The largest Comfort Systems buyer in Q1 2025 was AQR Capital Management, an estimated $110M added.
- The largest Comfort Systems seller in Q1 2025 was BlackRock, an estimated $387M sold.
Based on aggregated 13F filings for Q1 2025.