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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.

New
Increased
Maintained
Reduced
Closed

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: 665631 (-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: 104 (-6)

Holders
631
Holders Change
-34
Holders Change %
-5.11%
% of All Funds
8.46%
Holding in Top 10
4
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-60%
% of All Funds
0.05%
New
99
Increased
276
Reduced
200
Closed
123
Calls
$59.6M
Puts
$54.9M
Net Calls
+$4.7M
Net Calls Change
+$15.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Qube Research & Technologies (QRT)
26
Qube Research & Technologies (QRT)
United Kingdom
$81M +$52.2M +129,529 +106%
AIM
27
Artemis Investment Management
United Kingdom
$80M +$59.6M +147,885 +147%
HRCM
28
Hood River Capital Management
Florida
$76.9M +$2.59M +6,427 +3%
N
29
Nuveen
North Carolina
$74.6M +$1.88M +4,650 +2%
VOYA Investment Management
30
VOYA Investment Management
Georgia
$73.7M -$1.85M -4,582 -2%
Capital International Investors
31
Capital International Investors
California
$71M -$13.8M -34,257 -13%
Citadel Advisors
32
Citadel Advisors
Florida
$62.4M +$67.8M +168,176 +658%
Two Sigma Investments
33
Two Sigma Investments
New York
$59M +$57.3M +142,183 +348%
GKIM
34
GW&K Investment Management
Massachusetts
$56.8M -$7.13M -17,682 -9%
Capital Research Global Investors
35
Capital Research Global Investors
California
$56.6M -$30.8M -76,411 -30%
Victory Capital Management
36
Victory Capital Management
Texas
$55.6M +$51.7M +128,209 +289%
MP
37
Munro Partners
Australia
$55.2M -$903K -2,240 -1%
Ameriprise
38
Ameriprise
Minnesota
$54.4M +$10.6M +26,254 +18%
D.E. Shaw & Co
39
D.E. Shaw & Co
New York
$54.4M +$34.2M +84,882 +101%
Principal Financial Group
40
Principal Financial Group
Iowa
$53.2M -$3.48M -8,623 -5%
Franklin Resources
41
Franklin Resources
California
$51.4M -$5.97M -14,814 -8%
ClearBridge Investments
42
ClearBridge Investments
New York
$50.3M +$40.7M +100,961 +183%
Arrowstreet Capital
43
Arrowstreet Capital
Massachusetts
$48.7M -$7.66M -18,993 -11%
Caisse de Depot et Placement du Quebec (CDPQ)
44
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$48.1M +$19.1M +47,325 +47%
Comerica Bank
45
Comerica Bank
Texas
$47.1M +$1.9M +4,712 +3%
T. Rowe Price Associates
46
T. Rowe Price Associates
Maryland
$46.8M -$1.07M -2,663 -2%
Jennison Associates
47
Jennison Associates
New York
$46M -$8.76M -21,731 -13%
UBS AM
48
UBS AM
Illinois
$45.7M -$7.16M -17,748 -11%
CG
49
Carmignac Gestion
France
$43.3M +$54.2M +134,274 New
EAM
50
EULAV Asset Management
Florida
$42.7M -$5.04M -12,500 -9%

FIX Hedge Fund Activity: Q1 2025 in Review

631 of the 7,457 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.