Comfort Systems USA Ownership

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

Recent Insider Transactions

DB:9CF Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
05 Mar 24	Sell€1,107,060	Darcy Anderson	Individual	3,800	€291.33
04 Mar 24	Sell€1,031,027	Herman Bulls	Individual	3,500	€294.58
01 Mar 24	Sell€4,612,976	Brian Lane	Individual	16,000	€288.31
26 Feb 24	Sell€2,167,383	William George	Individual	8,429	€257.13
26 Feb 24	Sell€3,642,245	Trent McKenna	Individual	14,185	€256.77
26 Feb 24	Sell€2,608,708	Vance Tang	Individual	10,000	€260.87
26 Feb 24	Sell€313,226	Pablo Mercado	Individual	1,200	€261.02
06 Dec 23	Buy€138,955	Rhoman Hardy	Individual	783.92	€177.85
09 Nov 23	Sell€864,353	William Sandbrook	Individual	5,000	€172.87
31 Oct 23	Sell€395,221	Vance Tang	Individual	2,288	€172.74
12 Sep 23	Sell€1,310,872	William Sandbrook	Individual	7,500	€174.78
07 Sep 23	Sell€236,665	Laura Howell	Individual	1,350	€175.31
31 Aug 23	Sell€5,113,012	Franklin Myers	Individual	30,000	€170.43
29 Aug 23	Sell€6,745,149	Brian Lane	Individual	40,000	€168.90
08 Aug 23	Sell€872,975	Julie Shaeff	Individual	5,286	€165.15
08 Aug 23	Sell€306,578	Vance Tang	Individual	1,844	€166.26

Insider Trading Volume

Insider Buying: 9CF insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 9CF?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	9,811	0.0276%
State or Government	26,480	0.0744%
General Public	105,088	0.295%
Individual Insiders	563,915	1.58%
Institutions	34,903,615	98%

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

Top Shareholders

Top 25 shareholders own 68.49% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13.5%	BlackRock, Inc.	4,807,189	€1.4b	-21.2%	0.03%
11%	The Vanguard Group, Inc.	3,914,102	€1.1b	-8.5%	0.02%
6.26%	Capital Research and Management Company	2,228,209	€627.6m	-4.54%	0.03%
3.42%	State Street Global Advisors, Inc.	1,216,145	€342.6m	-3.99%	0.02%
3.22%	Baillie Gifford & Co.	1,146,299	€322.9m	-3.5%	0.15%
3.09%	Invesco Ltd.	1,100,230	€309.9m	-0.21%	0.09%
3%	Fuller & Thaler Asset Management, Inc.	1,069,217	€301.2m	66.1%	1.57%
2.53%	Dimensional Fund Advisors LP	899,561	€253.4m	-11.6%	0.05%
2.32%	Geode Capital Management, LLC	826,975	€232.9m	6.88%	0.02%
2.01%	FMR LLC	716,019	€201.7m	25.5%	0.01%
1.71%	AllianceBernstein L.P.	609,899	€171.8m	-14.4%	0.06%
1.64%	JP Morgan Asset Management	583,808	€164.4m	129%	0.02%
1.47%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	522,237	€147.1m	-2.93%	0.04%
1.35%	Hood River Capital Management LLC	482,170	€135.8m	-0.05%	3.75%
1.35%	Northern Trust Global Investments	480,322	€135.3m	20.3%	0.02%
1.34%	T. Rowe Price Group, Inc.	475,830	€134.0m	-2.7%	0.01%
1.31%	Charles Schwab Investment Management, Inc.	467,865	€131.8m	0%	0.03%
1.2%	Westfield Capital Management Company, L.P.	426,570	€120.2m	0%	0.71%
1.19%	Federated Hermes, Inc.	422,082	€118.9m	-0.88%	0.34%
1.11%	Norges Bank Investment Management	395,289	€111.3m	-8.08%	0.01%
1.09%	GW&K Investment Management, LLC	388,976	€109.6m	-3.76%	1.05%
0.98%	BNY Mellon Asset Management	349,018	€98.3m	-3.76%	0.02%
0.88%	Neumeier Poma Investment Counsel LLC	313,636	€88.3m	-18.6%	8.17%
0.78%	Millennium Management LLC	277,011	€78.0m	328%	0.07%
0.76%	Congress Asset Management Company, LLP	271,323	€76.4m	3.39%	0.61%