FIX
Comfort Systems USA, Inc. · Industrials · Engineering & Construction
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 76.26K | $124.09M | +1 | n/a |
| Q2 2026 | 179 | +6 | 25.21M | $49.87B | +9 | −2 |
| 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 | Assenagon Asset Management S.A. | 52.69K | -15.1% | $87.15M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 23.32K | -9.0% | $36.52M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 3 | Ninety One UK Ltd | 197 | New | $325,856 | 0.0% | New | 1 | SEC ↗ |
| 4 | TD Waterhouse Canada Inc. | 59 | -97.9% | $99,494 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Ninety One UK Ltd | $325,856 | 0.0% |
Exited
| No tracked exits this quarter. |
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