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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
Renaissance Technologies
51
Renaissance Technologies
New York
$42.3M +$32.2M +79,900 +156%
Bank of America
52
Bank of America
North Carolina
$41.9M +$17.4M +43,021 +49%
RS
53
Robeco Schweiz
Switzerland
$41.7M +$42.8M +106,152 +460%
BA
54
Bridgewater Associates
Connecticut
$41.1M +$10.7M +26,546 +26%
EWM
55
Evercore Wealth Management
New York
$40.8M +$51M +126,533 New
Russell Investments Group
56
Russell Investments Group
United Kingdom
$40.1M +$29.1M +72,061 +137%
Handelsbanken Fonder
57
Handelsbanken Fonder
Sweden
$37.4M +$43.2M +107,000 +1,171%
CI Investments Inc
58
CI Investments Inc
Ontario, Canada
$36.4M -$1.52M -3,758 -3%
PAM
59
Panagora Asset Management
Massachusetts
$36M +$27M +67,058 +150%
CAM
60
Congress Asset Management
Massachusetts
$34.7M +$3.27M +8,111 +8%
Janus Henderson Group
61
Janus Henderson Group
United Kingdom
$32.9M -$13.2M -32,804 -24%
BGC
62
Blue Grotto Capital
Georgia
$32.2M +$17.9M +44,400 +80%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$32.2M -$387K -959 -1%
Two Sigma Advisers
64
Two Sigma Advisers
New York
$31.5M +$24M +59,400 +155%
SFI
65
Susquehanna Fundamental Investments
Pennsylvania
$31.1M
Lazard Asset Management
66
Lazard Asset Management
New York
$30.9M +$22.8M +56,582 +144%
Lord, Abbett & Co
67
Lord, Abbett & Co
New Jersey
$30.4M -$26.7M -66,258 -41%
SFM
68
Systematic Financial Management
New Jersey
$30.4M -$9.59M -23,771 -20%
UBS Group
69
UBS Group
Switzerland
$30.3M +$14.6M +36,153 +62%
Schroder Investment Management Group
70
Schroder Investment Management Group
United Kingdom
$30.2M +$1.89M +4,686 +5%
Allianz Asset Management
71
Allianz Asset Management
Germany
$29.5M +$15.7M +38,940 +74%
Man Group
72
Man Group
United Kingdom
$29.1M -$18.6M -46,042 -34%
Raymond James Financial
73
Raymond James Financial
Florida
$28.8M -$1.09M -2,692 -3%
American Century Companies
74
American Century Companies
Missouri
$27.4M +$2.43M +6,015 +8%
RG
75
Renaissance Group
Kentucky
$26.3M -$5.4M -13,389 -14%

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.