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Security record · archived quarter

FIX

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

1,562.0 -3.0% mkt cap $54.97B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
25Tracked holders
+2Δ holders
18.02MShares held
$14.86BReported value
+2New positions
−1Exits
Rising Conviction score 59/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

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

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 179 +6 25.14M $49.66B +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 · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
2 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
3 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
4 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
5 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
6 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
7 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
8 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
9 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
10 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
11 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
12 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
13 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
14 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
15 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
16 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
17 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
18 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
19 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
20 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
21 BlackRock (passive) 3.98M +2.5% $3.28B 0.1% ▲ Add 2 SEC ↗
22 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
23 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
24 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
25 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
26 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
27 The Vanguard Group (passive) 3.68M -2.3% $3.04B 0.0% ▼ Trim 2 SEC ↗
28 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
29 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
30 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
31 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
32 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
33 Fidelity (FMR) 1.89M +20.5% $1.56B 0.1% ▲ Add 2 SEC ↗
34 Capital World Investors 1.80M -19.2% $1.48B 0.2% ▼ Trim 6 SEC ↗
35 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
36 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
37 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
38 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
39 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
40 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
41 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
42 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
43 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
44 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
45 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
46 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
47 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
48 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
49 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
50 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
51 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
52 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
53 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
54 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
55 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
56 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
57 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
58 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
59 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
60 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
61 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
62 JPMorgan Chase 1.47M $1.21B 0.0% n/c 1 SEC ↗
63 State Street Global Advisors (passive) 1.05M -1.9% $869.37M 0.0% ▼ Trim 4 SEC ↗
64 Geode Capital Management (passive) 853.47K +3.8% $704.36M 0.0% ▲ Add 6 SEC ↗
65 Geode Capital Management (passive) 853.47K +3.8% $704.36M 0.0% ▲ Add 6 SEC ↗
66 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
67 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
68 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
69 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
70 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
71 AQR Capital Management 835.56K +6.8% $678.47M 0.4% ▲ Add 6 SEC ↗
72 Baillie Gifford 412.78K -4.6% $340.62M 0.3% ▼ Trim 6 SEC ↗
73 Baillie Gifford 412.78K -4.6% $340.62M 0.3% ▼ Trim 6 SEC ↗
74 Baillie Gifford 412.78K -4.6% $340.62M 0.3% ▼ Trim 6 SEC ↗
75 Baillie Gifford 412.78K -4.6% $340.62M 0.3% ▼ Trim 6 SEC ↗
76 Millennium Management 358.69K +130.6% $295.98M 0.2% ▲ Add 6 SEC ↗
77 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
78 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
79 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
80 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
81 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
82 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
83 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
84 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
85 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
86 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
87 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
88 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
89 Morgan Stanley 345.66K $285.23M 0.0% n/c 1 SEC ↗
90 Goldman Sachs Group 275.47K $227.31M 0.0% n/c 1 SEC ↗
91 Goldman Sachs Group 275.47K $227.31M 0.0% n/c 1 SEC ↗
92 Goldman Sachs Group 275.47K $227.31M 0.0% n/c 1 SEC ↗
93 Goldman Sachs Group 275.47K $227.31M 0.0% n/c 1 SEC ↗
94 Goldman Sachs Group 275.47K $227.31M 0.0% n/c 1 SEC ↗
95 T. Rowe Price 200.83K +5.7% $165.72M 0.0% ▲ Add 6 SEC ↗
96 T. Rowe Price 200.83K +5.7% $165.72M 0.0% ▲ Add 6 SEC ↗
97 Third Point 200.00K +8.1% $165.04M 2.0% ▲ Add 2 SEC ↗
98 Arrowstreet Capital 190.20K +27.1% $156.95M 0.1% ▲ Add 6 SEC ↗
99 D. E. Shaw & Co. 187.59K -3.8% $154.80M 0.1% ▼ Trim 6 SEC ↗
100 D. E. Shaw & Co. 187.59K -3.8% $154.80M 0.1% ▼ Trim 6 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

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.

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 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: Q3 2025 · Methodology · Get this via the API