COMFORT SYSTEMS USA INC - Common Stock (FIX) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
FIX on NYSE
Shares outstanding
35,144,578
Price per share
$933.29
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
33,249,211
Total reported value
$27,421,734,313
% of total 13F portfolios
0.03%
Share change
-625,288
Value change
-$291,765,564
Number of holders
875
Price from insider filings
$933.29
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of COMFORT SYSTEMS USA INC - Common Stock (FIX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 8.3% -23% $2,722,408,972 -$827,736,455 2,917,000 -23% BlackRock, Inc. 31 Dec 2025
FMR LLC 5.4% $1,561,258,466 1,892,021 FMR LLC 30 Sep 2025
Capital World Investors 5.1% $1,484,754,806 1,799,310 Capital World Investors 30 Sep 2025

As of 30 Sep 2025, 875 institutional investors reported holding 33,249,211 shares of COMFORT SYSTEMS USA INC - Common Stock (FIX). This represents 95% of the company’s total 35,144,578 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of COMFORT SYSTEMS USA INC - Common Stock (FIX) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 11% 3,977,588 +2.5% 0.06% $3,282,226,465
VANGUARD GROUP INC 10% 3,684,559 -2.3% 0.05% $3,040,424,396
FMR LLC 5.4% 1,892,021 +20% 0.08% $1,561,258,279
Capital World Investors 5.1% 1,799,310 -19% 0.2% $1,484,754,626
Invesco Ltd. 3% 1,064,560 +7.4% 0.14% $878,453,631
STATE STREET CORP 3% 1,053,556 -1.9% 0.03% $869,373,340
GEODE CAPITAL MANAGEMENT, LLC 2.4% 853,468 +3.8% 0.04% $704,360,120
AQR CAPITAL MANAGEMENT LLC 2.4% 835,560 +6.8% 0.43% $678,474,853
WESTFIELD CAPITAL MANAGEMENT CO LP 2.4% 833,195 -11% 2.9% $687,535,850
JPMORGAN CHASE & CO 2.1% 734,519 +37% 0.04% $606,117,002
FIRST TRUST ADVISORS LP 1.5% 513,257 +30% 0.32% $423,529,413
BAILLIE GIFFORD & CO 1.2% 412,784 -4.6% 0.25% $340,621,100
FULLER & THALER ASSET MANAGEMENT, INC. 1.1% 370,623 -30% 1% $305,830,536
MILLENNIUM MANAGEMENT LLC 1% 358,685 +131% 0.23% $295,979,688
MORGAN STANLEY 0.98% 345,659 +4.1% 0.02% $285,232,764
AMF Tjanstepension AB 0.92% 324,974 1.7% $268,162,045
FEDERATED HERMES, INC. 0.92% 324,279 +8.8% 0.47% $267,588,545
NORTHERN TRUST CORP 0.88% 309,323 -7.9% 0.03% $255,247,153
DIMENSIONAL FUND ADVISORS LP 0.87% 304,671 -6.4% 0.05% $251,332,686
Castle Hook Partners LP 0.79% 278,932 3.5% $230,169,108
GOLDMAN SACHS GROUP INC 0.78% 275,470 +9.3% 0.03% $227,312,171
LORD, ABBETT & CO. LLC 0.78% 273,747 +107% 0.67% $225,891,000
JACOBS LEVY EQUITY MANAGEMENT, INC 0.78% 272,441 -9.4% 0.89% $224,812,864
Bank of New York Mellon Corp 0.77% 271,377 -1.7% 0.04% $223,934,784
Hood River Capital Management LLC 0.69% 241,191 -0.9% 2.3% $199,025,989

Institutional Holders of COMFORT SYSTEMS USA INC - Common Stock (FIX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 529,998 $501,177,881 +$29,982,810 $933.29 126
2025 Q3 33,249,211 $27,421,734,313 -$291,765,564 $825.18 875
2025 Q2 33,835,735 $18,142,945,405 +$370,208,176 $536.21 747
2025 Q1 33,356,089 $10,753,206,129 -$315,763,077 $322.33 623
2024 Q4 33,890,447 $14,373,369,770 +$136,178,061 $424.06 664
2024 Q3 33,328,804 $13,016,134,643 -$457,859,245 $390.35 586
2024 Q2 34,333,364 $10,442,773,084 -$56,142,939 $304.12 551
2024 Q1 34,540,299 $10,972,735,647 +$63,750,708 $317.71 496
2023 Q4 34,706,835 $7,137,905,010 -$35,628,060 $205.67 441
2023 Q3 34,881,070 $5,945,291,333 +$130,702,181 $170.41 397
2023 Q2 34,090,706 $5,597,234,493 -$30,152,115 $164.20 374
2023 Q1 34,197,001 $4,990,815,197 +$64,279,280 $145.96 343
2022 Q4 33,947,753 $3,907,238,742 -$22,085,083 $115.08 332
2022 Q3 34,163,132 $3,325,741,721 -$22,365,377 $97.33 283
2022 Q2 34,416,663 $2,861,756,977 -$10,608,021 $83.15 262
2022 Q1 34,660,608 $3,088,369,820 +$39,714,108 $89.01 267
2021 Q4 34,137,473 $3,374,735,183 +$42,008,370 $98.94 279
2021 Q3 33,587,925 $2,396,907,873 +$3,049,751 $71.32 258
2021 Q2 33,473,221 $2,636,858,136 -$41,974,808 $78.79 275
2021 Q1 34,042,263 $2,545,994,750 -$2,632,366 $74.77 245
2020 Q4 34,205,978 $1,801,605,410 +$20,115,237 $52.66 242
2020 Q3 33,861,305 $1,744,642,583 -$41,304,613 $51.51 226
2020 Q2 34,811,056 $1,418,227,415 +$21,609,649 $40.75 210
2020 Q1 34,371,395 $1,254,382,810 -$5,779,454 $36.55 213
2019 Q4 34,760,634 $1,729,590,108 +$1,277,866 $49.85 232
2019 Q3 34,968,977 $1,546,216,469 +$22,808,927 $44.23 218
2019 Q2 34,273,184 $1,746,301,093 +$29,193,813 $50.99 239
2019 Q1 34,646,525 $1,813,872,353 -$3,079,477 $52.39 255
2018 Q4 34,746,082 $1,516,953,290 -$9,129,740 $43.68 244
2018 Q3 34,785,782 $1,960,704,095 +$890,886 $56.40 240
2018 Q2 35,035,058 $1,604,640,390 +$8,592,540 $45.80 220
2018 Q1 34,859,884 $1,438,115,430 -$22,569,484 $41.25 199
2017 Q4 35,387,208 $1,544,782,411 +$10,374,732 $43.65 203
2017 Q3 35,059,324 $1,252,384,591 -$13,194,156 $35.70 178
2017 Q2 35,421,595 $1,313,924,629 -$6,551,946 $37.10 180
2017 Q1 35,578,917 $1,303,730,985 +$190,464,984 $36.65 185
2016 Q4 35,177,274 $1,171,387,849 -$6,662,439 $33.30 194
2016 Q3 35,687,038 $1,045,013,948 -$32,929,256 $29.31 196
2016 Q2 36,542,139 $1,190,082,966 -$1,915,310 $32.57 215
2016 Q1 36,567,033 $1,161,617,171 +$9,443,124 $31.77 211
2015 Q4 35,923,839 $1,021,064,702 -$13,756,390 $28.42 198
2015 Q3 36,596,663 $996,592,121 +$7,331,227 $27.26 186
2015 Q2 36,473,254 $837,057,176 +$4,095,489 $22.95 163
2015 Q1 36,274,563 $763,211,531 -$1,035,155 $21.04 134
2014 Q4 36,533,916 $625,425,511 +$14,995,650 $17.12 131
2014 Q3 35,482,833 $480,783,273 -$303,484 $13.55 134
2014 Q2 35,333,665 $558,105,106 -$3,519,778 $15.80 135
2014 Q1 35,581,317 $542,264,884 -$11,335,110 $15.24 143