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Comfort Systems

626 hedge funds and large institutions have $10.7B invested in Comfort Systems in 2025 Q1 according to their latest regulatory filings, with 97 funds opening new positions, 274 increasing their positions, 199 reducing their positions, and 121 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less funds holding

Funds holding:

20% less first-time investments, than exits

New positions opened: 97 | Existing positions closed: 121

25% less capital invested

Capital invested by funds: $14.4B → $10.7B (-$3.64B)

60% less funds holding in top 10

Funds holding in top 10: 104 (-6)

Holders
626
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$59.5M
Puts
$54.9M
Net Calls
Net Calls Change

Top Buyers

1 +$85.2M
2 +$77.3M
3 +$54.9M
4
Citadel Advisors
Citadel Advisors
Florida
+$54.2M
5
Millennium Management
Millennium Management
New York
+$48.5M

Top Sellers

1 -$309M
2 -$154M
3 -$129M
4
Goldman Sachs
Goldman Sachs
New York
-$97.4M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$87.9M
Name Holding Trade Value Shares
Change
Change in
Stake
251
$1.94M
252
$1.93M
253
$1.93M
254
$1.92M
255
$1.85M
256
$1.85M
257
$1.82M
258
$1.82M
259
$1.79M
260
$1.78M
261
$1.78M
262
$1.75M
263
$1.74M
264
$1.73M
265
$1.66M
266
$1.66M
267
$1.63M
268
$1.62M
269
$1.56M
270
$1.55M
271
$1.51M
272
$1.5M
273
$1.48M
274
$1.46M
275
$1.45M