FIX
Comfort Systems (FIX)
NYSE
$1,691.00+$0.18 (+0.01%)
Price as of Sep 11, 2026 7:59 PM EDT
  • $59.5B
    Market Cap
  • 124.80%
    1-Year Change
  • Engineering & Construction
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
13.96%
4.9M
-61,440 (-1.25%)
Dec 31, 2024
BLACKROCK INC.
13.13%
4.6M
+137,163 (+2.97%)
Jun 30, 2024
VANGUARD GROUP INC
12.25%
4.3M
+625,567 (+14.51%)
Dec 31, 2025
BLACKROCK, INC.
9.65%
3.4M
-115,244 (-3.39%)
Jun 30, 2026
BLACKROCK FUND ADVISORS
8.43%
3.0M
+444,354 (+14.98%)
Dec 31, 2016
VANGUARD CAPITAL MANAGEMENT LLC
6.53%
2.3M
+11,560 (+0.50%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
5.30%
1.9M
-15,014 (-0.80%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions647.5M (73.44%)
  • Mutual Funds233.2M (26.45%)
  • Insiders902,861 (0.10%)
  • Other0 (0.00%)

Insider Transactions

  • 0.10% (902,861)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $1.1B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Lane Brian E.
CHIEF EXECUTIVE OFF.
Sell
Aug 26, 2026
$25.8M
16,024
$1,608.21
145,065
MYERS FRANKLIN
Sell
Aug 11, 2026
$6.8M
4,000
$1,693.92
8,495
MYERS FRANKLIN
Sell
Aug 10, 2026
$5.9M
3,500
$1,690.47
58,615
MYERS FRANKLIN
Sell
Jun 24, 2026
$13.1M
6,700
$1,954.47
62,115
Reed Terrence
SVP & CHRO
In Kind
Apr 01, 2026
$140,100.31
98
$1,429.60
3,143
Shaeff Julie
CHIEF ACCOUNTING OFFICER
In Kind
Apr 01, 2026
$124,374.76
87
$1,429.60
13,979
Eslicker Rachel R.
SVP & GENERAL COUNSEL
In Kind
Apr 01, 2026
$44,317.44
31
$1,429.60
676
Lane Brian E.
CHIEF EXECUTIVE OFF.
In Kind
Apr 01, 2026
$1.6M
1,146
$1,429.60
174,655
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
In Kind
Apr 01, 2026
$406,004.98
284
$1,429.60
38,601
Shaeff Julie
CHIEF ACCOUNTING OFFICER
In Kind
Apr 01, 2026
$124,374.76
87
$1,429.60
13,892
Eslicker Rachel R.
SVP & GENERAL COUNSEL
In Kind
Apr 01, 2026
$35,739.88
25
$1,429.60
651
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
In Kind
Apr 01, 2026
$380,272.27
266
$1,429.60
22,897
Reed Terrence
SVP & CHRO
In Kind
Apr 01, 2026
$117,226.79
82
$1,429.60
3,061
Shaeff Julie
CHIEF ACCOUNTING OFFICER
In Kind
Apr 01, 2026
$207,291.27
145
$1,429.60
13,747
Eslicker Rachel R.
SVP & GENERAL COUNSEL
In Kind
Apr 01, 2026
$61,472.58
43
$1,429.60
608
Lane Brian E.
CHIEF EXECUTIVE OFF.
In Kind
Apr 01, 2026
$1.3M
941
$1,429.60
173,714
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
In Kind
Apr 01, 2026
$424,589.72
297
$1,429.60
38,304
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
In Kind
Apr 01, 2026
$300,214.95
210
$1,429.60
22,687
Reed Terrence
SVP & CHRO
In Kind
Apr 01, 2026
$132,952.33
93
$1,429.60
2,968
Lane Brian E.
CHIEF EXECUTIVE OFF.
In Kind
Apr 01, 2026
$2.2M
1,512
$1,429.60
172,202
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
In Kind
Apr 01, 2026
$714,797.50
500
$1,429.60
37,804
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
In Kind
Apr 01, 2026
$487,491.90
341
$1,429.60
22,346
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Award
Mar 23, 2026
$0.00
597
$0.00
38,421
Shaeff Julie
CHIEF ACCOUNTING OFFICER
Award
Mar 23, 2026
$0.00
194
$0.00
13,930
Reed Terrence
SVP & CHRO
Award
Mar 23, 2026
$0.00
275
$0.00
3,109
Shaeff Julie
CHIEF ACCOUNTING OFFICER
Award
Mar 23, 2026
$0.00
220
$0.00
14,150
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Award
Mar 23, 2026
$0.00
764
$0.00
39,185
Shaeff Julie
CHIEF ACCOUNTING OFFICER
In Kind
Mar 23, 2026
$118,293.00
84
$1,408.25
14,066
Reed Terrence
SVP & CHRO
Award
Mar 23, 2026
$0.00
188
$0.00
3,297
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
In Kind
Mar 23, 2026
$422,475.00
300
$1,408.25
38,885