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Comfort Systems USA Inc

FIX
Exchange
NYSE
Industry
Electrical Work
SEC CIK
0001035983

In the last 90 days, Comfort Systems USA Inc insiders filed 0 open-market purchases and 3 sales; 1,357 institutions reported holding it in 13F filings for Q2 2026, worth $64.6B in total; superinvestors Coatue Management and Markel Group hold it.

Q4 2023 vs. Q3 2023

How the institutions holding Comfort Systems USA Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of FIX: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders4007447+54
Shares35.0M26.0K34.9M−76.6K (−0.2%)
Value$5.97B$4.43M$7.16B+$1.20B (+20.1%)

7 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (97)

Institutions that held Comfort Systems USA Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to FIX in Q4 2023
InstitutionSharesValue% of portfolio
Westfield Capital Management Co LP426,570$87.7M0.51%
Hennessy Advisors Inc146,600$30.2M1.52%
Blue Grotto Capital, LLC85,819$17.7M3.86%
HRT Financial LP85,011$17.5M0.13%
TimesSquare Capital Management, LLC68,670$14.1M0.21%
Retirement Systems of Alabama44,731$9.20M0.04%
Renaissance Technologies LLC36,600$7.53M0.01%
Prudential PLC32,030$6.59M0.07%
WBI Investments24,378$5.01M1.00%
Eagle Asset Management Inc23,701$4.87M0.03%
Entropy Technologies, LP16,045$3.30M0.61%
Naples Money Management LLC11,000$2.26M2.12%
Crown Advisors Management, Inc.10,000$2.06M1.41%
State of Michigan Retirement System8,600$1.77M0.01%
Freedom Day Solutions, LLC8,454$1.74M0.68%
Pathstone Holdings, LLC7,949$1.63M0.01%
Northwestern Mutual Investment Management Company, LLC7,945$1.63M0.04%
Cinctive Capital Management LP7,502$1.54M0.11%
New Mexico Educational Retirement Board7,400$1.52M0.06%
Pacer Advisors, Inc.7,115$1.46M0.00%
Fox Run Management, L.L.C.6,605$1.36M0.35%
Redhawk Wealth Advisors, Inc.5,804$1.19M0.23%
Penserra Capital Management LLC4,226$869.0K0.02%
Twinbeech Capital LP4,083$839.8K0.01%
Trust Point Inc.3,869$795.7K0.07%
Jump Financial, LLC3,806$782.8K0.03%
Canada Pension Plan Investment Board3,500$719.8K0.00%
Kestra Advisory Services, LLC3,487$717.1K0.01%
Schonfeld Strategic Advisors LLC3,460$711.6K0.01%
Pearl River Capital, LLC3,406$700.5K0.11%
HighPoint Advisor Group LLC2,110$673.0K0.05%
Brevan Howard Capital Management LP3,053$627.9K0.06%
Securian Asset Management, Inc3,014$619.9K0.02%
Marathon Trading Investment Management LLC3,000$617.0K0.12%
Smith Group Asset Management, LLC2,765$568.7K0.03%
Qsemble Capital Management, LP2,679$551.0K0.14%
Harvest Investment Services, LLC2,484$510.9K0.24%
ClearAlpha Technologies LP2,413$496.3K0.19%
Point72 Hong Kong Ltd2,200$452.5K0.03%
BayBridge Capital Group, LLC2,113$429.7K0.40%
Axq Capital, LP1,848$380.1K0.10%
PFG Advisors1,735$356.8K0.03%
Baader Bank INC1,721$352.8K0.03%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,602$329.5K0.02%
Yorktown Management & Research Co Inc1,600$329.1K0.34%
Point72 Asia (Singapore) Pte. Ltd.1,600$329.1K0.08%
Lido Advisors, LLC1,521$312.8K0.00%
Corton Capital Inc.1,479$304.2K0.10%
Private Advisor Group, LLC1,443$296.8K0.00%
Verus Capital Partners, LLC1,437$295.5K0.04%
Kapitalo Investimentos Ltda1,292$265.7K0.05%
Cerity Partners LLC1,265$260.2K0.00%
B. Metzler seel. Sohn & Co. AG1,225$251.9K0.00%
FDx Advisors, Inc.1,201$247.0K0.02%
Heritage Wealth Management, LLC1,195$245.9K0.13%
Equitable Holdings, Inc.1,180$242.6K0.00%
Shell Asset Management Co1,155$238.0K0.01%
Bridgefront Capital, LLC1,125$231.4K0.17%
DRW Securities, LLC1,100$226.2K0.01%
AIA Group Ltd1,084$222.9K0.01%
Gallacher Capital Management LLC1,079$221.9K0.12%
Lifestyle Asset Management, Inc.1,077$221.5K0.12%
Prelude Capital Management, LLC1,040$213.9K0.02%
Verition Fund Management LLC1,027$211.2K0.00%
Personal Cfo Solutions, LLC1,009$207.6K0.04%
CIBC Asset Management Inc1,008$207.3K0.00%
Markel Group Inc.SuperinvestorMarkel Group1,000$205.7K0.00%
Divisadero Street Capital Management, LP1,000$205.7K0.05%
TD Waterhouse Canada Inc.863$170.2K0.00%
EntryPoint Capital, LLC743$152.8K0.15%
Householder Group Estate & Retirement Specialist, LLC608$125.0K0.04%
Principal Securities, Inc.565$116.2K0.00%
Quest Partners LLC389$80.0K0.02%
BI Asset Management Fondsmaeglerselskab A/S368$76.0K0.00%
Castleview Partners, LLC349$71.8K0.05%
Advisory Services Network, LLC301$61.8K0.00%
Spire Wealth Management300$61.4K0.00%
GAMMA Investing LLC281$61.1K0.02%
Byrne Asset Management LLC124$25.7K0.02%
SYSTM Wealth Solutions LLC124$25.5K0.00%
Benjamin F. Edwards & Company, Inc.119$24.0K0.00%
Wetzel Investment Advisors, Inc.81$17.0K0.01%
Barrett & Company, Inc.75$15.4K0.01%
Stone House Investment Management, LLC72$14.8K0.01%
National Bank of Canada63$12.7K0.00%
Point72 Europe (London) LLP57$11.7K0.00%
Scarborough Advisors, LLC55$11.3K0.00%
CarsonAllaria Wealth Management, Ltd.50$10.3K0.01%
Farther Finance Advisors, LLC47$9.67K0.00%
EverSource Wealth Advisors, LLC35$7.20K0.00%
Foster Dykema Cabot & Partners, LLC27$5.55K0.00%
Frazier Financial Advisors, LLC26$5.35K0.00%
McGlone Suttner Wealth Management, Inc.16$3.29K0.00%
Private Wealth Management Group, LLC16$3.29K0.00%
DiNuzzo Private Wealth, Inc.10$2.06K0.00%
PEAK6 Investments LLC3$5880.00%
Aware Super Pty Ltd as trustee of Aware Super30,572––

Sold out (43)

Institutions that held Comfort Systems USA Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of FIX in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Public Sector Pension Investment Board44,211$7.53M
Tudor Investment Corp Et Al26,701$4.55M
Illinois Municipal Retirement Fund20,139$3.43M
Maryland State Retirement & Pension System13,175$2.25M
Jacobs Levy Equity Management, Inc10,133$1.73M
TD Asset Management Inc9,700$1.65M
Gsa Capital Partners LLP9,232$1.57M
Nations Financial Group Inc,7,265$1.24M
Everence Capital Management Inc5,320$907.0K
Cambridge Investment Research Advisors, Inc.4,890$833.0K
XTX Topco Ltd4,792$816.6K
Amundi4,488$712.9K
Dynamic Technology Lab Private Ltd4,180$712.0K
Prospera Financial Services Inc3,874$660.3K
Nebula Research & Development LLC3,413$581.6K
Cantor Fitzgerald, L. P.3,113$530.5K
Acadian Asset Management LLC3,072$523.0K
Lloyd Advisory Services, LLC.2,721$463.7K
ExodusPoint Capital Management, LP1,884$321.0K
Mirabella Financial Services LLP1,774$302.3K
Inceptionr LLC1,628$277.4K
Healthcare of Ontario Pension Plan Trust Fund1,600$272.7K
Kaizen Financial Strategies1,550$264.1K
Seven Eight Capital, LP1,548$263.8K
Sanders Morris Harris LLC1,500$255.6K
Point72 Asset Management, L.P.1,449$246.9K
Glenview Trust Co1,213$206.7K
Veriti Management LLC1,211$206.4K
Wealth Advisory Solutions, LLC1,186$202.1K
VisionPoint Advisory Group, LLC349$59.5K
Simplex Trading, LLC244$41.0K
NVWM, LLC90$15.3K
Atlantic Trust, LLC72$12.3K
GoalVest Advisory LLC62$10.6K
Front Row Advisors LLC49$8.35K
Quarry LP48$8.18K
Baker Avenue Asset Management, LP46$7.84K
Cary Street Partner Investment Advisory LLC43$7.33K
RFP Financial Group LLC19$3.24K
Milestone Investment Advisors LLC16$2.73K
USA Financial Portformulas Corp14$2.39K
Meeder Asset Management Inc11$1.88K
Crewe Advisors LLC1$171

Not filed for Q4 2023 yet (7)

Institutions that held Comfort Systems USA Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding FIX in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
First Republic Investment Management, Inc.13,515$2.30M
Pathstone Family Office, LLC5,681$968.1K
Advisor Partners II, LLC3,334$568.1K
BTC Capital Management, Inc.2,193$373.7K
Key Bridge Compliance, LLC1,186$202.1K
Steward Financial Group LLC54$9.00K
Foster Dykema Cabot & Co Inc27$5.00K