Who owns COMFORT SYSTEMS USA INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FIX from SEC Form 13F filings across 1,351 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,351 institutions disclosed 32.7M shares of COMFORT SYSTEMS USA INC worth $68.56B — about 92.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,351
13F holders
$68.56B
value, 2026 filers
92.7%
of shares outstanding (32.7M sh)
261
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FIX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.4M | $6.73B | 0.1% | 9.6% | -3.3% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | $4.55B | 0.1% | 6.5% | +0.5% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $3.70B | 0.2% | 5.3% | -0.8% |
| 4 | FMR LLC | 1.7M | $3.29B | 0.1% | 4.7% | +14.5% |
| 5 | STATE STREET CORP | 1.5M | $3.05B | 0.1% | 4.4% | +4.4% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $2.29B | 0.1% | 3.3% | -7.0% |
| 7 | AQR CAPITAL MANAGEMENT LLC | 1.1M | $2.08B | 0.7% | 3% | -5.1% |
| 8 | JPMORGAN CHASE & CO | 838,417 | $1.63B | 0.1% | 2.4% | -5.8% |
| 9 | Capital World Investors | 720,244 | $1.43B | 0.2% | 2% | -16.8% |
| 10 | Invesco Ltd. | 658,314 | $1.30B | 0.1% | 1.9% | +8.5% |
| 11 | NORGES BANKNEW | 471,564 | $934.6M | 0.1% | 1.3% | new |
| 12 | MORGAN STANLEY | 430,085 | $852.4M | 0.0% | 1.2% | -6.5% |
| 13 | FIRST TRUST ADVISORS LP | 375,090 | $743.4M | 0.4% | 1.1% | -9.8% |
| 14 | WESTFIELD CAPITAL MANAGEMENT CO LP | 355,433 | $704.5M | 2.3% | 1% | -42.8% |
| 15 | FEDERATED HERMES, INC. | 341,485 | $676.8M | 1.0% | 1% | +27.9% |
| 16 | NORTHERN TRUST CORP | 340,992 | $675.8M | 0.1% | 1% | +3.6% |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | 324,671 | $643.5M | 0.1% | 0.9% | +101.4% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 297,845 | $590.3M | 0.1% | 0.8% | +3.5% |
| 19 | Amundi | 292,904 | $580.5M | 0.1% | 0.8% | +114.1% |
| 20 | DIMENSIONAL FUND ADVISORS LP | 285,445 | $565.7M | 0.1% | 0.8% | +2.0% |
| 21 | GOLDMAN SACHS GROUP INC | 268,240 | $531.6M | 0.0% | 0.8% | +9.9% |
| 22 | Value Aligned Research Advisors, LLC | 243,607 | $482.8M | 1.2% | 0.7% | +14.0% |
| 23 | DEUTSCHE BANK AG\ | 223,896 | $443.8M | 0.1% | 0.6% | -7.0% |
| 24 | FRANKLIN RESOURCES INC | 222,969 | $441.9M | 0.1% | 0.6% | +9.6% |
| 25 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 221,703 | $439.4M | 0.2% | 0.6% | -12.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.