COMFORT SYSTEMS USA INC

PublicCIK: 1035983
FIXNYSE
Location

HOUSTON, TX

13F Filings

Institutional Holders

COMFORT SYSTEMS USA INCFIX— Latest position per institution from SEC 13F filings

15

Institutional holders

129.84M

Total shares held

40.11B

Estimated value

6.49M

Avg. position size

1

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

103.03M

Value

51.98K

Filed

Jun 30, 2026

2

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

4.62M

Value

1.40B

Filed

Jun 30, 2024

3

VANGUARD GROUP INC

CIK 102909

Shares

4.31M

Value

4.02B

Filed

Dec 31, 2025

4

BLACKROCK, INC.

CIK 2012383

Shares

3.40M

Value

6.73B

Filed

Jun 30, 2026

5

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

2.30M

Value

4.55B

Filed

Jun 30, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

1.87M

Value

3.70B

Filed

Jun 30, 2026

7

FMR LLC

CIK 315066

Shares

1.66M

Value

3.29B

Filed

Jun 30, 2026

8

STATE STREET CORP

CIK 93751

Shares

1.54M

Value

3.05B

Filed

Jun 30, 2026

9

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.15M

Value

2.29B

Filed

Jun 30, 2026

10

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

1.06M

Value

2.08B

Filed

Jun 30, 2026

11

JPMORGAN CHASE & CO

CIK 19617

Shares

838.42K

Value

1.63B

Filed

Jun 30, 2026

12

CAPITAL WORLD INVESTORS

CIK 1422849

Shares

720.24K

Value

1.43B

Filed

Jun 30, 2026

13

INVESCO LTD.

CIK 914208

Shares

658.31K

Value

1.30B

Filed

Jun 30, 2026

14

NORGES BANK

CIK 1374170

Shares

471.56K

Value

934.62M

Filed

Jun 30, 2026

15

MORGAN STANLEY

CIK 895421

Shares

430.08K

Value

852.41M

Filed

Jun 30, 2026

16

FIRST TRUST ADVISORS LP

CIK 1125816

Shares

375.09K

Value

743.41M

Filed

Jun 30, 2026

17

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.

CIK 1021642

Shares

363.95K

Value

154.34K

Filed

Dec 31, 2024

18

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

357.71K

Value

708.96M

Filed

Jun 30, 2026

19

WESTFIELD CAPITAL MANAGEMENT CO LP

CIK 1177719

Shares

355.43K

Value

704.45M

Filed

Jun 30, 2026

20

FEDERATED HERMES, INC.

CIK 1056288

Shares

341.49K

Value

676.81M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.