COMFORT SYS USA INC (FIX): Institutional Ownership

Hedge funds and institutional managers reporting a position in FIX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
28
13F filers
Aggregate Value
$733.7M
Across holders
Last Price
$1854.23
2026-06-26
Sector
Industrials
GICS
Holder activity5 new9 added12 reduced
Institutional Holders of FIX
28 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund86K$119.2M16.3%0.5%Added+$25.2MQ1 2026
Third Point LLC
CIK 0001040273
Hedge Fund105K$98.0M13.4%1.3%NewQ4 2025
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager61K$84.2M11.5%0.1%Reduced$-112.8MQ1 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund57K$78.1M10.6%0.1%Added+$3.7MQ1 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund49K$67.3M9.2%0.2%Reduced$-7.7MQ1 2026
Man Group plc
CIK 0001637460
Hedge Fund41K$56.1M7.6%0.1%Added+$26.9MQ1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund29K$39.4M5.4%0.1%Added+$5.2MQ1 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund27K$36.8M5.0%0.1%Added+$27.1MQ1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund23K$31.2M4.3%0.0%Reduced$-48.4MQ1 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund17K$22.9M3.1%0.2%Reduced$-20.2MQ1 2026
MARKEL CORP (MKL)
CIK 0001096343
Hedge Fund13K$17.9M2.4%0.2%Unchanged+$0Q1 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund10K$13.2M1.8%0.1%Reduced$-15.1MQ1 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund8K$11.7M1.6%0.0%Added+$9.5MQ1 2026
Engle Capital Management, L.P.
CIK 0001684868
Hedge Fund8K$11.6M1.6%3.9%Added+$1.2MQ1 2026
LAKEWOOD CAPITAL MANAGEMENT, LP
CIK 0001424381
Hedge Fund8K$11.0M1.5%0.7%Unchanged+$0Q1 2026
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
Hedge Fund6K$8.2M1.1%0.2%NewQ1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund6K$8.1M1.1%0.0%Reduced$-2.8MQ1 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2K$2.9M0.4%0.0%Added+$2.9MQ1 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund2K$2.9M0.4%0.0%NewQ1 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund2K$2.8M0.4%0.0%Reduced$-111.9MQ1 2026
Bridgewater Associates, LPAdded
Hedge Fund
$119.2M· 16.3% of total· 0.5% port· 86K sh· +$25.2M QoQ· Q1 2026
Third Point LLCNew
Hedge Fund
$98.0M· 13.4% of total· 1.3% port· 105K sh· QoQ· Q4 2025
BAILLIE GIFFORD & COReduced
Institutional Manager
$84.2M· 11.5% of total· 0.1% port· 61K sh· $-112.8M QoQ· Q1 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$78.1M· 10.6% of total· 0.1% port· 57K sh· +$3.7M QoQ· Q1 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$67.3M· 9.2% of total· 0.2% port· 49K sh· $-7.7M QoQ· Q1 2026
Man Group plcAdded
Hedge Fund
$56.1M· 7.6% of total· 0.1% port· 41K sh· +$26.9M QoQ· Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$39.4M· 5.4% of total· 0.1% port· 29K sh· +$5.2M QoQ· Q1 2026
Holocene Advisors, LPAdded
Hedge Fund
$36.8M· 5.0% of total· 0.1% port· 27K sh· +$27.1M QoQ· Q1 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$31.2M· 4.3% of total· 0.0% port· 23K sh· $-48.4M QoQ· Q1 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$22.9M· 3.1% of total· 0.2% port· 17K sh· $-20.2M QoQ· Q1 2026
MARKEL CORP (MKL)Unchanged
Hedge Fund
$17.9M· 2.4% of total· 0.2% port· 13K sh· +$0 QoQ· Q1 2026
Verition Fund Management LLCReduced
Hedge Fund
$13.2M· 1.8% of total· 0.1% port· 10K sh· $-15.1M QoQ· Q1 2026
Walleye Capital LLCAdded
Hedge Fund
$11.7M· 1.6% of total· 0.0% port· 8K sh· +$9.5M QoQ· Q1 2026
Engle Capital Management, L.P.Added
Hedge Fund
$11.6M· 1.6% of total· 3.9% port· 8K sh· +$1.2M QoQ· Q1 2026
LAKEWOOD CAPITAL MANAGEMENT, LPUnchanged
Hedge Fund
$11.0M· 1.5% of total· 0.7% port· 8K sh· +$0 QoQ· Q1 2026
MOORE CAPITAL MANAGEMENT, LPNew
Hedge Fund
$8.2M· 1.1% of total· 0.2% port· 6K sh· QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$8.1M· 1.1% of total· 0.0% port· 6K sh· $-2.8M QoQ· Q1 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.9M· 0.4% of total· 0.0% port· 2K sh· +$2.9M QoQ· Q1 2026
MARSHALL WACE, LLPNew
Hedge Fund
$2.9M· 0.4% of total· 0.0% port· 2K sh· QoQ· Q1 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$2.8M· 0.4% of total· 0.0% port· 2K sh· $-111.9M QoQ· Q1 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$2.8M· 0.4% of total· 0.0% port· 2K sh· $-2.2M QoQ· Q1 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$2.4M· 0.3% of total· 0.0% port· 3K sh· QoQ· Q3 2025
Brevan Howard Capital Management LPReduced
Hedge Fund
$2.3M· 0.3% of total· 0.0% port· 2K sh· $-90K QoQ· Q1 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$1.9M· 0.3% of total· 0.0% port· 1K sh· $-2.1M QoQ· Q1 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$427K· 0.1% of total· 0.0% port· 309 sh· +$61K QoQ· Q1 2026
Bridgewater Advisors Inc.New
Hedge Fund
$230K· 0.0% of total· 0.0% port· 126 sh· QoQ· Q1 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$208K· 0.0% of total· 0.0% port· 151 sh· $-985K QoQ· Q1 2026
Ancora Advisors, LLCReduced
Hedge Fund
$17K· 0.0% of total· 0.0% port· 12 sh· $-4K QoQ· Q1 2026
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