| $250M | ||
| $208M | ||
| $109M | ||
| $101M | ||
| $94M | ||
| $70M |
Buys | $0 | 0 | 0 |
Sells | $47,221,849 | 18 | 100 |
| Skidmore Constance Ellen | director | 0 | $0 | 1 | $452,980 | $-452,980 |
| Shaeff Julie | CHIEF ACCOUNTING OFFICER | 0 | $0 | 1 | $814,881 | $-814,881 |
| BULLS HERMAN E | director | 0 | $0 | 1 | $1.25M | $-1.25M |
| Tang Vance W | director | 0 | $0 | 2 | $1.26M | $-1.26M |
| Mercado, Pablo G. | director | 0 | $0 | 2 | $1.81M | $-1.81M |
| Trent T McKenna | EVP & CHIEF OPERATING OFFICER | 0 | $0 | 1 | $1.94M | $-1.94M |
| MYERS FRANKLIN | CHAIRMAN OF THE BOARD | 0 | $0 | 1 | $4.68M | $-4.68M |
| ANDERSON DARCY | director | 0 | $0 | 3 | $6.54M | $-6.54M |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 0 | $0 | 3 | $10.32M | $-10.32M |
| Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 0 | $0 | 3 | $18.15M | $-18.15M |
Comfort Systems USA, Inc. provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. It engages in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) systems; and renovation, expansion, maintenance, monitoring, repair, and replacement of existing buildings. The company offers its services for heating, ventilation, and air conditioning (HVAC) systems, as well as plumbing, piping and controls, off-site construction, electrical, monitoring, and fire protection. It serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional MEP markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
Over the last 12 months, insiders at Comfort Systems USA, Inc. have bought $0 and sold $47.22M worth of Comfort Systems USA, Inc. stock.
On average, over the past 5 years, insiders at Comfort Systems USA, Inc. have bought $151,686 and sold $26.89M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 784 shares for transaction amount of $149,978 was made by Hardy Rhoman J (director) on 2023‑12‑06.
| 2025-06-09 | Sale | BULLS HERMAN E | director | 2,500 0.0071% | $500.01 | $1.25M | -1.21% | |
| 2025-06-06 | Sale | ANDERSON DARCY | director | 8,000 0.0225% | $506.82 | $4.05M | -1.84% | |
| 2025-05-13 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 12,500 0.0358% | $470.11 | $5.88M | +2.62% | |
| 2025-05-12 | Sale | Skidmore Constance Ellen | director | 1,000 0.0028% | $452.98 | $452,980 | +5.52% | |
| 2025-05-07 | Sale | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 15,000 0.0425% | $431.66 | $6.47M | +11.53% | |
| 2025-05-07 | Sale | ANDERSON DARCY | director | 3,000 0.0085% | $431.66 | $1.29M | +11.53% | |
| 2025-05-05 | Sale | Mercado, Pablo G. | director | 1,800 0.0051% | $436.10 | $784,980 | +9.17% | |
| 2025-05-01 | Sale | Tang Vance W | director | 500 0.0014% | $422.00 | $211,000 | +10.97% | |
| 2024-11-22 | Sale | Trent T McKenna | EVP & CHIEF OPERATING OFFICER | 4,000 0.0112% | $484.81 | $1.94M | -11.45% | |
| 2024-11-13 | Sale | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 15,000 0.042% | $448.88 | $6.73M | -2.27% | |
| 2024-11-08 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 5,436 0.0153% | $459.73 | $2.5M | -5.40% | |
| 2024-11-05 | Sale | Mercado, Pablo G. | director | 2,500 0.0074% | $409.46 | $1.02M | +6.40% | |
| 2024-10-30 | Sale | MYERS FRANKLIN | CHAIRMAN OF THE BOARD | 12,000 0.0336% | $390.18 | $4.68M | +12.03% | |
| 2024-10-28 | Sale | Tang Vance W | director | 2,700 0.0071% | $390.00 | $1.05M | +12.04% | |
| 2024-08-29 | Sale | Shaeff Julie | CHIEF ACCOUNTING OFFICER | 2,316 0.0066% | $351.85 | $814,881 | +20.44% | |
| 2024-08-27 | Sale | ANDERSON DARCY | director | 3,546 0.01% | $336.19 | $1.19M | +24.29% | |
| 2024-08-20 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 5,845 0.0165% | $332.16 | $1.94M | +25.43% | |
| 2024-08-14 | Sale | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 15,000 0.0444% | $329.55 | $4.94M | +25.46% | |
| 2024-06-05 | Sale | Tang Vance W | director | 3,473 0.0094% | $310.00 | $1.08M | +22.16% | |
| 2024-05-16 | Sale | BULLS HERMAN E | director | 3,500 0.01% | $337.41 | $1.18M | +14.91% |
| Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 198046 0.5614% | $98.83M | 0 | 25 | |
| MYERS FRANKLIN | CHAIRMAN OF THE BOARD | 106498 0.3019% | $53.14M | 53 | 7 | +11.4% |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 47473 0.1346% | $23.69M | 3 | 29 | +9.18% |
| BULLS HERMAN E | director | 35574 0.1008% | $17.75M | 5 | 13 | +10.98% |
| ANDERSON DARCY | director | 26535 0.0752% | $13.24M | 0 | 9 | |
| Trent T McKenna | EVP & CHIEF OPERATING OFFICER | 23990 0.068% | $11.97M | 0 | 15 | |
| Shaeff Julie | CHIEF ACCOUNTING OFFICER | 16687 0.0473% | $8.33M | 0 | 17 | |
| Skidmore Constance Ellen | director | 13285 0.0377% | $6.63M | 0 | 12 | |
| Mercado, Pablo G. | director | 7236 0.0205% | $3.61M | 2 | 6 | +29.11% |
| Tang Vance W | director | 4998 0.0142% | $2.49M | 2 | 17 | +33.58% |
| TANNER THOMAS N | Senior Regional Vice President | 88910 0.252% | $44.37M | 0 | 10 | |
| CHAMBERS NORMAN C | President | 87900 0.2492% | $43.86M | 2 | 0 | +55.93% |
| SCHULTZ JAMES H | director | 73393 0.2081% | $36.62M | 2 | 7 | +6.85% |
| HARTER STEVEN S | director | 55000 0.1559% | $27.45M | 0 | 16 | |
| WAGNER ROBERT D | director | 35000 0.0992% | $17.47M | 6 | 8 | <0.0001% |
| GIARDENELLI ALFRED J JR | director | 23516 0.0667% | $11.73M | 0 | 27 | |
| Krusi Alan | 16828 0.0477% | $8.4M | 1 | 25 | <0.0001% | |
| Murdy William F | director | 16222 0.046% | $8.1M | 2 | 69 | +6.05% |
| SANDBROOK WILLIAM J | director | 13026 0.0369% | $6.5M | 2 | 2 | +12.28% |
| Howell Laura Finley | SVP & GENERAL COUNSEL | 6965 0.0197% | $3.48M | 1 | 2 | +4.81% |
| Wallis-Lage Cindy L. | director | 3812 0.0108% | $1.9M | 1 | 0 | +22.86% |
| Hardy Rhoman J | director | 1287 0.0036% | $642,196.82 | 1 | 0 | +69.69% |
$146,360,297 | 83 | 18.54% | $5.46B | |
Comfort Systems USA, Inc. (FIX) | $12,423,097 | 82 | 12.19% | $17.6B |
$5,568,930 | 52 | 20.84% | $4.03B | |
$5,380,723 | 42 | 11.83% | $8.24B | |
$6,189,813 | 34 | 7.85% | $3.9B | |
$6,098,151 | 30 | 17.41% | $15.28B | |
$5,768,238 | 28 | 9.67% | $2.81B | |
$6,916,464 | 26 | 5.35% | $6.73B | |
$2,310,211 | 21 | 25.25% | $53.42B | |
$2,359,573 | 19 | 20.75% | $6.81B | |
$50,423,393 | 18 | 16.06% | $6.85B | |
$678,997 | 17 | 15.12% | $21.72B | |
$28,280,941 | 16 | 80.64% | $12.99B | |
$3,993,326 | 11 | 41.16% | $5.8B | |
$4,524,998 | 9 | 27.76% | $13.55B | |
$688,964 | 8 | -2.06% | $9.36B | |
$10,775,365 | 8 | 25.16% | $14.61B | |
$499,380 | 3 | 11.43% | $8.52B | |
$83 | 2 | -17.23% | $12.13B |
| Increased Positions | 382 | +53.2% | 5M | +14.32% |
| Decreased Positions | 331 | -46.1% | 5M | -13.8% |
| New Positions | 106 | New | 1M | New |
| Sold Out Positions | 123 | Sold Out | 1M | Sold Out |
| Total Postitions | 769 | +7.1% | 34M | +0.53% |
| Blackrock, Inc. | $1.71M | 11.29% | 3.95M | -958,796 | -19.52% | 2025-03-31 |
| Vanguard Group Inc | $1.63M | 10.8% | 3.78M | +67,240 | +1.81% | 2024-12-31 |
| Capital World Investors | $927,755.00 | 6.14% | 2.15M | -130,729 | -5.74% | 2024-12-31 |
| Fmr Llc | $733,289.00 | 4.85% | 1.7M | +148,493 | +9.59% | 2024-12-31 |
| Invesco Ltd. | $606,257.00 | 4.01% | 1.4M | -31,133 | -2.17% | 2024-12-31 |
| State Street Corp | $477,115.00 | 3.16% | 1.1M | +48,616 | +4.61% | 2024-12-31 |
| Westfield Capital Management Co Lp | $382,463.00 | 2.53% | 885,127 | +176,947 | +24.99% | 2024-12-31 |
| Geode Capital Management, Llc | $332,516.00 | 2.2% | 769,534 | +21,406 | +2.86% | 2024-12-31 |
| Fuller & Thaler Asset Management, Inc. | $280,202.00 | 1.85% | 648,465 | -124,408 | -16.1% | 2024-12-31 |
| Goldman Sachs Group Inc | $274,390.00 | 1.81% | 635,014 | +56,664 | +9.8% | 2024-12-31 |