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Security record · archived quarter

FIX

Comfort Systems USA, Inc. · Industrials · Engineering & Construction

1,715.7 +0.5% mkt cap $60.38B quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
17Tracked holders
—Δ holders
5.97MShares held
$1.82BReported value
+0New positions
−0Exits
— How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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 —
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 — —
Q4 2024 18 +1 6.29M $2.67B +1 —
Q3 2024 16 -1 5.63M $2.20B — −1
Q2 2024 17 — 5.97M $1.82B — —
Holder count
Who holds it · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Capital World Investors ✦ 2.43M — $738.35M 0.1% n/c 1 SEC ↗
2 Baillie Gifford ✦ 1.04M — $316.10M 0.2% n/c 1 SEC ↗ ×4
3 Geode Capital Management ✦ (passive) 700.20K — $212.99M 0.0% n/c 1 SEC ↗ ×2
4 Norges Bank ✦ (passive) 435.50K — $132.44M 0.0% n/c 1 SEC ↗
5 Millennium Management ✦ 342.72K — $104.23M 0.1% n/c 1 SEC ↗
6 Wellington Management ✦ 285.17K — $86.73M 0.0% n/c 1 SEC ↗ ×5
7 T. Rowe Price ✦ 193.42K — $58.82M 0.0% n/c 1 SEC ↗ ×2
8 AQR Capital Management ✦ 142.54K — $43.35M 0.1% n/c 1 SEC ↗ ×3
9 D. E. Shaw & Co. ✦ 140.91K — $42.85M 0.1% n/c 1 SEC ↗ ×2
10 Arrowstreet Capital ✦ 95.96K — $29.18M 0.0% n/c 1 SEC ↗
11 Two Sigma Investments ✦ 52.95K — $16.10M 0.0% n/c 1 SEC ↗
12 Citadel Advisors ✦ 38.41K — $11.68M 0.0% n/c 1 SEC ↗
13 Renaissance Technologies ✦ 33.80K — $10.28M 0.0% n/c 1 SEC ↗
14 Point72 Asset Management ✦ 15.90K — $4.84M 0.0% n/c 1 SEC ↗
15 Markel Group ✦ 13.00K — $3.95M 0.0% n/c 1 SEC ↗
16 Bridgewater Associates ✦ 10.28K — $3.13M 0.0% n/c 1 SEC ↗
17 Gotham Asset Management ✦ 966 — $293,780 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 26 Lane Brian E.

Officer, Director · 16.02K sh · $25.77M

Aug 17 GEORGE WILLIAM III

Officer · 2.55K sh · $4.75M

Aug 11 MYERS FRANKLIN

Director · 4.00K sh · $6.78M

Aug 10 MYERS FRANKLIN

Director · 3.50K sh · $5.92M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2024 · Methodology · Get this via the API