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
33,248,972
Total reported value
$27,421,537,095
% of total 13F portfolios
0.03%
Share change
-625,507
Value change
-$291,946,314
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% $2,722,409,264 -$827,736,544 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 33,248,972 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 549,075 $519,795,121 +$20,988,359 $933.29 145
2025 Q3 33,248,972 $27,421,537,095 -$291,946,314 $825.18 875
2025 Q2 33,835,735 $18,142,945,405 +$370,208,188 $536.21 747
2025 Q1 33,120,849 $10,677,381,400 -$314,914,409 $322.33 620
2024 Q4 33,703,559 $14,294,065,172 +$323,887,532 $424.06 657
2024 Q3 32,699,292 $12,770,404,437 -$625,122,602 $390.35 585
2024 Q2 34,228,916 $10,411,008,564 +$48,657,526 $304.12 548
2024 Q1 34,050,473 $10,817,111,805 -$4,951,934 $317.71 492
2023 Q4 177,732 $36,554,146 +$87,206 $205.67 4
2023 Q3 33,891,329 $5,776,628,868 +$106,261,032 $170.41 388
2023 Q2 33,587,022 $5,514,528,981 -$99,816,355 $164.20 367
2023 Q1 34,021,301 $4,965,170,114 +$65,709,647 $145.96 338
2022 Q4 33,779,462 $3,887,872,111 -$21,450,483 $115.08 328
2022 Q3 33,859,559 $3,296,221,243 -$24,215,727 $97.33 275
2022 Q2 34,233,524 $2,845,776,778 -$14,695,284 $83.15 255
2022 Q1 34,508,547 $3,074,835,074 +$40,803,281 $89.01 263
2021 Q4 33,972,513 $3,359,139,589 +$41,971,738 $98.94 275
2021 Q3 33,525,570 $2,393,181,445 +$2,859,326 $71.32 258
2021 Q2 33,413,641 $2,632,879,048 -$40,878,519 $78.79 274
2021 Q1 33,919,854 $2,536,407,050 -$1,550,597 $74.77 246
2020 Q4 34,188,397 $1,800,679,410 +$20,159,020 $52.66 239
2020 Q3 33,813,032 $1,742,156,583 -$43,531,971 $51.51 223
2020 Q2 34,566,588 $1,408,265,415 +$23,382,783 $40.75 209
2020 Q1 33,892,753 $1,236,888,810 -$8,771,944 $36.55 211
2019 Q4 34,756,577 $1,729,388,402 +$21,811,514 $49.85 229
2019 Q3 34,964,192 $1,546,000,357 +$22,837,245 $44.23 216
2019 Q2 34,223,845 $1,743,783,557 +$98,579,854 $50.99 235
2019 Q1 34,331,395 $1,797,363,353 -$9,994,243 $52.39 253
2018 Q4 34,651,587 $1,512,826,290 -$7,853,042 $43.68 242
2018 Q3 34,544,442 $1,947,302,095 -$496,333 $56.40 238
2018 Q2 35,035,058 $1,604,640,390 +$48,145,901 $45.80 220
2018 Q1 34,852,719 $1,437,819,430 -$22,764,968 $41.25 197
2017 Q4 35,086,755 $1,531,668,411 +$11,929,354 $43.65 202
2017 Q3 35,058,655 $1,252,361,591 -$13,048,945 $35.70 176
2017 Q2 35,042,019 $1,299,841,542 -$5,161,634 $37.10 175
2017 Q1 35,567,083 $1,303,299,019 +$190,466,625 $36.65 182
2016 Q4 35,175,939 $1,171,343,849 -$6,676,466 $33.30 191
2016 Q3 35,685,226 $1,044,960,948 -$32,579,097 $29.31 194
2016 Q2 35,621,139 $1,160,086,966 -$5,548,563 $32.57 211
2016 Q1 35,838,879 $1,138,486,171 +$10,134,833 $31.77 206
2015 Q4 35,765,336 $1,016,562,702 -$10,944,202 $28.42 196
2015 Q3 36,355,018 $991,033,121 +$4,826,295 $27.26 186
2015 Q2 34,776,661 $798,120,176 -$645,941 $22.95 164
2015 Q1 36,239,395 $762,471,531 -$1,301,547 $21.04 135
2014 Q4 36,417,587 $623,436,511 +$14,450,960 $17.12 130
2014 Q3 35,426,169 $480,015,273 -$290,072 $13.55 133
2014 Q2 35,333,665 $558,105,106 -$4,554,970 $15.80 135
2014 Q1 34,662,606 $528,262,884 -$23,105,616 $15.24 141