Comfort Systems USA Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

BIT:1FIX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Aug 26	Sell€10,999,180	Franklin Myers	Individual	7,500	€1,467.95
24 Jun 26	Sell€11,528,793	Franklin Myers	Individual	6,700	€1,720.72
27 May 26	Sell€558,657	Rhoman Hardy	Individual	342	€1,633.50
11 May 26	Sell€1,906,308	Julie Shaeff	Individual	1,123	€1,697.51
11 May 26	Sell€8,327,863	William George	Individual	5,000	€1,714.99
07 May 26	Sell€7,273,913	Franklin Myers	Individual	4,500	€1,616.43
05 May 26	Sell€18,703,508	Brian Lane	Individual	11,113	€1,683.03
30 Apr 26	Sell€758,542	Pablo Mercado	Individual	500	€1,517.08
29 Apr 26	Sell€2,222,145	William Sandbrook	Individual	1,500	€1,481.43
03 Mar 26	Sell€5,315,694	Darcy Anderson	Individual	4,500	€1,181.27
03 Mar 26	Sell€2,726,024	Julie Shaeff	Individual	2,287	€1,191.97
03 Mar 26	Sell€2,188,066	Terrence Reed	Individual	1,787	€1,256.66
25 Feb 26	Sell€10,773,870	Franklin Myers	Individual	8,636	€1,247.55
25 Feb 26	Sell€11,529,069	Brian Lane	Individual	9,365	€1,231.08
24 Feb 26	Sell€1,208,970	Constance Skidmore	Individual	1,000	€1,208.97
24 Feb 26	Sell€3,061,277	William Sandbrook	Individual	2,500	€1,224.51
23 Feb 26	Sell€595,369	Pablo Mercado	Individual	500	€1,190.74
04 Dec 25	Sell€854,210	Laura Howell	Individual	1,000	€854.21
01 Dec 25	Sell€3,604,495	William George	Individual	4,370	€824.83
24 Nov 25	Sell€5,888,583	Brian Lane	Individual	7,158	€822.66
31 Oct 25	Sell€3,324,849	Darcy Anderson	Individual	4,000	€831.21
29 Oct 25	Sell€2,155,591	Pablo Mercado	Individual	2,500	€862.24
29 Oct 25	Sell€4,316,653	Franklin Myers	Individual	5,000	€863.33
29 Oct 25	Sell€1,738,567	Herman Bulls	Individual	2,000	€869.28
10 Sep 25	Sell€923,869	William Sandbrook	Individual	1,500	€625.87
27 Aug 25	Sell€1,834,995	Herman Bulls	Individual	3,000	€611.67
25 Aug 25	Sell€413,145	William Sandbrook	Individual	700	€590.21
22 Aug 25	Sell€639,660	Pablo Mercado	Individual	1,078	€593.38

Insider Trading Volume

Insider Buying: 1FIX insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 1FIX?
Owner Type	Number of Shares	Ownership Percentage
State or Government	37,891	0.108%
Individual Insiders	390,171	1.11%
General Public	1,834,143	5.22%
Institutions	32,874,124	93.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 56.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.67%	BlackRock, Inc.	3,397,683	€5.2b	-3.28%	0.06%
7.11%	Vanguard Capital Management, LLC	2,499,446	€3.8b	0.42%	0.06%
5.31%	Vanguard Portfolio Management, LLC	1,866,170	€2.9b	-0.8%	0.14%
4.59%	FMR LLC	1,611,813	€2.5b	11.9%	0.12%
4.37%	State Street Investment Management	1,537,139	€2.4b	4.43%	0.07%
3.28%	Geode Capital Management, LLC	1,151,350	€1.8b	-7.05%	0.09%
3.08%	AQR Capital Management, LLC	1,081,714	€1.7b	8.25%	0.73%
2.73%	Capital Research and Management Company	957,612	€1.5b	-32.1%	0.06%
2.17%	JP Morgan Asset Management	764,114	€1.2b	-2.89%	0.11%
1.34%	Norges Bank Investment Management	471,564	€723.2m	-6.28%	0.05%
1.12%	UBS Asset Management AG	394,240	€604.6m	17.1%	0.04%
1.07%	First Trust Advisors LP	375,090	€575.3m	-9.81%	0.31%
1.01%	Westfield Capital Management Company, L.P.	355,433	€545.1m	-42.8%	1.99%
0.97%	Northern Trust Global Investments	340,992	€523.0m	3.61%	0.06%
0.91%	Federated Hermes, Inc.	319,689	€490.3m	34.2%	0.78%
0.89%	Invesco Ltd.	313,532	€480.9m	-12.7%	0.12%
0.83%	Invesco Capital Management LLC	293,048	€449.4m	-0.21%	0.07%
0.82%	Charles Schwab Investment Management, Inc.	287,735	€441.3m	0%	0.05%
0.84%	Amundi Asset Management SAS	293,438	€450.0m	114%	0.07%
0.81%	Dimensional Fund Advisors LP	285,445	€437.8m	1.96%	0.06%
0.71%	Hood River Capital Management LLC	249,385	€382.5m	1.43%	3.53%
0.68%	Lord, Abbett & Co. LLC	237,647	€364.5m	-12.5%	1.07%
0.63%	Arrowstreet Capital, Limited Partnership	221,703	€340.0m	-12.4%	0.16%
0.63%	Massachusetts Financial Services Company	220,776	€338.6m	96,700%	0.08%
0.62%	Point72 Asset Management, L.P.	219,232	€336.2m	49.3%	0.56%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/17 18:37
End of Day Share Price	2026/08/14 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Comfort Systems USA, Inc. is covered by 14 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Brent Thielman	D.A. Davidson & Co.
Adam Bubes	Goldman Sachs
Sophie Karp	Guggenheim Securities, LLC