FIX
Comfort Systems USA, Inc. · Industrials · Engineering & Construction
Momentum inputs (comparable managers):
holder breadth +8.7% ·
share flow +1.0% ·
net new positions +4.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 177 | +6 | 24.91M | $49.28B | +9 | −4 |
| Q1 2026 | 175 | +5 | 24.43M | $33.47B | +7 | −3 |
| Q4 2025 | 169 | +1 | 27.03M | $25.24B | +2 | n/a |
| Q3 2025 | 25 | +2 | 18.02M | $14.86B | +2 | −1 |
| Q2 2025 | 21 | 0 | 16.24M | $8.71B | +1 | −1 |
| Q1 2025 | 18 | 0 | 7.27M | $2.34B | n/a | n/a |
| Q4 2024 | 18 | +1 | 6.29M | $2.67B | +1 | n/a |
| Q3 2024 | 16 | -1 | 5.63M | $2.20B | n/a | −1 |
| Q2 2024 | 17 | n/a | 5.97M | $1.82B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.98M | +2.5% | $3.28B | 0.1% | ▲ Add | 2 | SEC ↗ ×21 |
| 2 | The Vanguard Group ✦ (passive) | 3.68M | -2.3% | $3.04B | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 3 | Fidelity (FMR) ✦ | 1.89M | +20.5% | $1.56B | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 4 | Capital World Investors ✦ | 1.80M | -19.2% | $1.48B | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 5 | JPMorgan Chase ✦ | 1.47M | n/a | $1.21B | 0.0% | n/c | 1 | SEC ↗ ×28 |
| 6 | State Street Global Advisors ✦ (passive) | 1.05M | -1.9% | $869.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 853.47K | +3.8% | $704.36M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 8 | AQR Capital Management ✦ | 835.56K | +6.8% | $678.47M | 0.4% | ▲ Add | 6 | SEC ↗ ×6 |
| 9 | Baillie Gifford ✦ | 412.78K | -4.6% | $340.62M | 0.3% | ▼ Trim | 6 | SEC ↗ ×4 |
| 10 | Millennium Management ✦ | 358.69K | +130.6% | $295.98M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 11 | Morgan Stanley ✦ | 345.66K | n/a | $285.23M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 12 | Goldman Sachs Group ✦ | 275.47K | n/a | $227.31M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 13 | T. Rowe Price ✦ | 200.83K | +5.7% | $165.72M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 14 | Third Point ✦ | 200.00K | +8.1% | $165.04M | 2.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Arrowstreet Capital ✦ | 190.20K | +27.1% | $156.95M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 187.59K | -3.8% | $154.80M | 0.1% | ▼ Trim | 6 | SEC ↗ ×2 |
| 17 | Citadel Advisors ✦ | 69.20K | +7.6% | $57.11M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 18 | Bridgewater Associates ✦ | 52.08K | +325.3% | $42.98M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 19 | Renaissance Technologies ✦ | 50.40K | -61.3% | $41.59M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 20 | Gotham Asset Management ✦ | 38.09K | +26.1% | $31.43M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 21 | Point72 Asset Management ✦ | 34.88K | New | $28.79M | 0.1% | New | 1 | SEC ↗ |
| 22 | Wellington Management ✦ | 24.32K | -56.1% | $20.07M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 23 | Markel Group ✦ | 13.00K | 0.0% | $10.73M | 0.1% | Held | 6 | SEC ↗ |
| 24 | Two Sigma Investments ✦ | 3.61K | -79.9% | $2.98M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 25 | Fisher Asset Management ✦ | 383 | New | $316,368 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $28.79M | 0.1% |
| Fisher Asset Management | $316,368 | 0.0% |
Exited
| Norges Bank | $257.00M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,187 holders, 31.59M shares, $41.94B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 16.02K sh · $25.77M
Officer · 2.55K sh · $4.75M
Director · 4.00K sh · $6.78M
Director · 3.50K sh · $5.92M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology