Institutional Ownership
Comfort Sys USA Inc
CUSIP 199908104COMFIXQ1 2026
13D / 13G Filings
23
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
17.6%
Max % of class reported
Institutional Holders
1,181
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
23 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Capital World Investors | 13G/A | 4.7% | 1.64M | SEC |
| 2 | Jan 30, 2026 | The Vanguard Group | 13G/A | 12.2% | 4.31M | SEC |
| 3 | Jan 21, 2026 | Blackrock, Inc. | 13G/A | 8.3% | 2.92M | SEC |
| 4 | Dec 4, 2025 | Blackrock, Inc. | 13G/A | 10.8% | 3.80M | SEC |
| 5 | Nov 13, 2025 | Capital World Investors | 13G/A | 5.1% | 1.80M | SEC |
| 6 | Nov 5, 2025 | Fmr LLC | 13G | 5.4% | 1.89M | SEC |
| 7 | Apr 24, 2025 | Blackrock, Inc. | 13G/A | 9.4% | 3.35M | SEC |
| 8 | Nov 13, 2024 | Capital World Investors | 13G | 6.4% | 2.28M | SEC |
| 9 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 11.0% | 3.91M | SEC |
| 10 | Feb 9, 2024 | Capital World Investors | 13G/A | 4.8% | 1.70M | SEC |
13 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Comfort Sys USA Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.51M | $4.84B |
| 2 | State Street Corp | 1.47M | $2.03B |
| 3 | Fmr LLC | 1.45M | $2.00B |
| 4 | Geode Capital Management, LLC | 1.24M | $1.71B |
| 5 | Aqr Capital Management LLC | 1.12M | $1.49B |
| 6 | Capital World Investors | 865.8K | $1.19B |
| 7 | Jpmorgan Chase & Co | 889.9K | $1.13B |
| 8 | Westfield Capital Management Co LP | 620.9K | $856.24M |
| 9 | Invesco Ltd. | 606.6K | $836.47M |
| 10 | Morgan Stanley | 460.1K | $634.52M |