Comfort Systems Usa FIX Institutional Ownership

NYSE FIX

$1,274.95 -125.93 (-8.99%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,352 Institutions

Increased 741 54.8%

Unchanged 125 9.2%

Reduced 486 35.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

93.08%

▲+0.72 pp QoQ

Shares Held by Institutions

32.78Mn

of 35.22Mn outstanding

▲+0.82% QoQ

Shares Outstanding

35.22Mn

2.44Mn held outside 13F filers

Institutional Investors

1,352

filed 13F for Jun 2026

▲+151 vs prior quarter

Net Shares Added (QoQ)

+268.03K

accumulated since last quarter

Value of Holdings

$41.80Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 22, 2026

Comfort Systems Usa Inc (NYSE:FIX) was reported as a holding by 1,352 institutional investors in 13F filings for the quarter ended June 30, 2026.

Their combined stake equaled 93.08% of outstanding shares in Q2 2026, up from 92.35% in Q1 2026.
Total shares held in FIX rose 0.82% from Q1 2026; the number of holders rose 79.55% from Q2 2025.
Of these 1,352 holders, 741 added to their positions, 486 reduced their stakes and 125 left their positions unchanged.
The aggregate institutional position in Comfort Systems Usa was 32.78Mn shares at the end of Q2 2026, up 268.03K from the prior quarter and down 838.4K from a year earlier.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Comfort Systems Usa with 3.4Mn shares, or 9.65% of shares outstanding.
Among holders that already owned Comfort Systems Usa, the biggest buyers in Q2 2026 were Massachusetts Financial Services Co (+220.55K shares), FMR LLC (+210.28K shares), Curated Wealth Partners LLC (+194.61K shares), T. Rowe Price Associates Inc (+163.5K shares) and Amundi (+156.07K shares).
The biggest cuts to FIX positions during Q2 2026 came from Westfield Capital Management Co LP (-265.48K shares), Capital International Investors (-250.44K shares), Capital World Investors (-145.54K shares), SG Americas Securities, LLC (-123.63K shares) and BlackRock, Inc. (-115.24K shares).
According to Business Quant data, the leading holders of FIX for Q2 2026 were BlackRock, Inc. (3.4Mn shares), Vanguard Capital Management LLC (2.3Mn shares), Vanguard Portfolio Management LLC (1.87Mn shares), FMR LLC (1.66Mn shares), State Street Corp (1.54Mn shares), Geode Capital Management, LLC (1.15Mn shares), AQR Capital Management LLC (1.06Mn shares), JPMorgan Chase & Co (838.42K shares), Capital World Investors (720.24K shares) and Invesco Ltd. (658.31K shares).

Form 13F Holdings

1,356 Institutional Holders

Report period 30 Jun, 2026

Total shares held 32.78Mn

Of outstanding 93.08%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,397,683	9.65%	▼115,244	-3.28%	$6.73Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,297,509	6.52%	▲11,560	+0.51%	$4.55Bn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,866,170	5.30%	▼15,014	-0.80%	$3.70Bn
4	FMR LLC	0000315066	1,659,799	4.71%	▲210,282	+14.51%	$3.29Bn
5	State Street Corp	0000093751	1,537,139	4.36%	▲65,260	+4.43%	$3.05Bn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,151,350	3.27%	▼87,269	-7.05%	$2.29Bn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	1,058,960	3.01%	▼57,213	-5.13%	$2.08Bn
8	Jpmorgan Chase & Co	0000019617	838,417	2.38%	▼51,474	-5.78%	$1.63Bn
9	Capital World Investors	0001422849	720,244	2.04%	▼145,536	-16.81%	$1.43Bn
10	Invesco Ltd.	0000914208	658,314	1.87%	▲51,734	+8.53%	$1.30Bn
11	NORGES BANK	0001374170	471,564	1.34%	▲471,564	0.00%	$934.62Mn
12	Morgan Stanley	0000895421	430,085	1.22%	▼30,050	-6.53%	$852.41Mn
13	FIRST TRUST ADVISORS LP	0001125816	375,090	1.06%	▼40,796	-9.81%	$743.41Mn
14	WESTFIELD CAPITAL MANAGEMENT CO LP	0001177719	355,433	1.01%	▼265,482	-42.76%	$704.45Mn
15	Federated Hermes, Inc.	0001056288	341,485	0.97%	▲74,455	+27.88%	$676.81Mn
16	Northern Trust Corp	0000073124	340,992	0.97%	▲11,894	+3.61%	$675.83Mn
17	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	324,671	0.92%	▲163,502	+101.45%	$643.48K
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	297,845	0.85%	▲10,110	+3.51%	$590.31Mn
19	Amundi	0001330387	292,904	0.83%	▲156,069	+114.06%	$580.52Mn
20	DIMENSIONAL FUND ADVISORS LP	0000354204	285,445	0.81%	▲5,498	+1.96%	$565.66Mn

Showing 1 to 20 of 1,356 holders