HOUSTON, TX
COMFORT SYSTEMS USA INCFIX— Latest position per institution from SEC 13F filings
15
Institutional holders
27.45M
Total shares held
29.88B
Estimated value
1.37M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.62M
Value
1.40B
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
4.31M
Value
4.02B
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
3.51M
Value
4.84B
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.29M
Value
3.15B
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.88M
Value
2.59B
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.47M
Value
2.03B
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
1.45M
Value
2B
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.24M
Value
1.71B
Filed
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
1.12M
Value
1.49B
Filed
Mar 31, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
865.78K
Value
1.19B
Filed
Mar 31, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
706.99K
Value
659.83M
Filed
Dec 31, 2025
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
620.91K
Value
856.24M
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
606.58K
Value
836.47M
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
503.17K
Value
469.61M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
460.13K
Value
634.52M
Filed
Mar 31, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
415.89K
Value
573.50M
Filed
Mar 31, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
391.83K
Value
540.33M
Filed
Mar 31, 2026
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.
CIK 1021642
Shares
363.95K
Value
154.34K
Filed
Dec 31, 2024
NORTHERN TRUST CORP
CIK 73124
Shares
329.10K
Value
453.82M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
300.89K
Value
414.93M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 4.62M | 1.40B | Jun 30, 2024 |
| 2 | VANGUARD GROUP INC | 102909 | 4.31M | 4.02B | Dec 31, 2025 |
| 3 | BLACKROCK, INC. | 2012383 | 3.51M | 4.84B | Mar 31, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.29M | 3.15B | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.88M | 2.59B | Mar 31, 2026 |
| 6 | STATE STREET CORP | 93751 | 1.47M | 2.03B | Mar 31, 2026 |
| 7 | FMR LLC | 315066 | 1.45M | 2B | Mar 31, 2026 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.24M | 1.71B | Mar 31, 2026 |
| 9 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 1.12M | 1.49B | Mar 31, 2026 |
| 10 | CAPITAL WORLD INVESTORS | 1422849 | 865.78K | 1.19B | Mar 31, 2026 |
| 11 | JPMORGAN CHASE & CO | 19617 | 706.99K | 659.83M | Dec 31, 2025 |
| 12 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 620.91K | 856.24M | Mar 31, 2026 |
| 13 | INVESCO LTD. | 914208 | 606.58K | 836.47M | Mar 31, 2026 |
| 14 | NORGES BANK | 1374170 | 503.17K | 469.61M | Dec 31, 2025 |
| 15 | MORGAN STANLEY | 895421 | 460.13K | 634.52M | Mar 31, 2026 |
| 16 | FIRST TRUST ADVISORS LP | 1125816 | 415.89K | 573.50M | Mar 31, 2026 |
| 17 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 391.83K | 540.33M | Mar 31, 2026 |
| 18 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 1021642 | 363.95K | 154.34K | Dec 31, 2024 |
| 19 | NORTHERN TRUST CORP | 73124 | 329.10K | 453.82M | Mar 31, 2026 |
| 20 | CITADEL ADVISORS LLC | 1423053 | 300.89K | 414.93M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.