Comfort Systems
1,342 hedge funds and large institutions have $64.2B invested in Comfort Systems in 2026 Q2 according to their latest regulatory filings, with 243 funds opening new positions, 494 increasing their positions, 485 reducing their positions, and 81 closing their positions.
200% more first-time investments, than exits
New positions opened: 243 | Existing positions closed: 81
44% more capital invested
Capital invested by funds: $44.6B → $64.2B (+$19.6B)
12% more funds holding
Funds holding: 1,201 → 1,342 (+141)
2% more repeat investments, than reductions
Existing positions increased: 494 | Existing positions reduced: 485
0.15% less ownership
Funds ownership: 92.46% → 92.32% (-0.15%)
27% less call options, than puts
Call options by funds: $1.07B | Put options by funds: $1.46B
28% less funds holding in top 10
Funds holding in top 10: 43 → 31 (-12)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$400M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$382M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$297M |
| 4 |
Amundi
Paris,
France
|
+$283M |
| 5 |
DZ Bank
Frankfurt Am Main,
Germany
|
+$223M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
-$482M |
| 2 |
Capital International Investors
Los Angeles,
California
|
-$454M |
| 3 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
-$344M |
| 4 |
Capital World Investors
Los Angeles,
California
|
-$264M |
| 5 |
SG Americas Securities
New York
|
-$224M |
FIX Hedge Fund Activity: Q2 2026 in Review
1,342 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Comfort Systems (FIX) for Q2 2026, worth a combined $64.2B — up 44% from $44.6B a quarter earlier.
Buyers outnumbered sellers: 243 funds opened new FIX positions and 81 closed out — a net gain of 162 holders — while 494 added to existing stakes and 485 trimmed.
The largest buyer was Massachusetts Financial Services, adding an estimated $400M. The largest seller was Westfield Capital Management, cutting an estimated $482M.
- 1,342 institutional investors held Comfort Systems (FIX) as of Q2 2026, up from 1,201 in Q1 2026.
- Funds reported $64.2B of Comfort Systems stock for Q2 2026, up 44% quarter-over-quarter.
- 243 funds opened new Comfort Systems positions in Q2 2026 and 81 closed out, a net change of +162 holders.
- The largest Comfort Systems buyer in Q2 2026 was Massachusetts Financial Services, an estimated $400M added.
- The largest Comfort Systems seller in Q2 2026 was Westfield Capital Management, an estimated $482M sold.
Based on aggregated 13F filings for Q2 2026.