Comfort Systems Usa Inc (FIX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

411,000Shares Outstanding

32,602,744Shares held by institutions

$56,376,989,679Value of institutional holdings

7,932.54%Institutional ownership %

12.92%Shares Changed QoQ

1,179No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Comfort Systems Usa Inc (NYSE:FIX) has 1,179 institutional investors with active 13F positions as of March 2026.

They owned 7932.5% of outstanding stock in March 2026, down from 8270.1% the prior quarter.
They increased total shares held in FIX by 12.92% quarter over quarter, and investors in Comfort Systems Usa increased 84.51% from a year ago.
During the quarter, 680 of these 1,179 funds increased positions in FIX, 398 reduced exposure, and 101 held steady.
Combined, these investors held 32.6Mn shares in FIX for March 2026, up by 3.73Mn shares quarter on quarter, and down 3.96Mn shares year over year.
As of March 31, 2026, the biggest holder of Comfort Systems Usa is BlackRock, Inc. at 3.51Mn shares, representing 854.73% of shares outstanding.
Leading buyers of Comfort Systems Usa shares for the quarter ending March 2026 were VANGUARD CAPITAL MANAGEMENT LLC (2.29Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.88Mn), Capital International Investors (278.2K), VANGUARD FIDUCIARY TRUST CO (202.95K), Jpmorgan Chase & Co (182.9K).
Leading sellers of Comfort Systems Usa shares for the quarter ending March 2026 were Capital World Investors (774.75K), FULLER & THALER ASSET MANAGEMENT, INC. (335.88K), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (310.03K), FMR LLC (221.19K), JACOBS LEVY EQUITY MANAGEMENT, INC (171.65K).
Business Quant data shows the 10 biggest positions in Comfort Systems Usa as of March 2026 are held by BlackRock, Inc. (3.51Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.29Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.88Mn), State Street Corp (1.47Mn), FMR LLC (1.45Mn), GEODE CAPITAL MANAGEMENT, LLC (1.24Mn), AQR CAPITAL MANAGEMENT LLC (1.12Mn), Jpmorgan Chase & Co (889.89K), Capital World Investors (865.78K), WESTFIELD CAPITAL MANAGEMENT CO LP (620.92K).

1,179 Institutional Holders

32,602,744 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Mar, 2026	3,512,927	64,292	1.86%	$4,844,290,812.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Mar, 2026	2,285,949	2,285,949	0.00%	$3,152,300,811.00
VANGUARD PORTFOLIO MANAGEMENT LLC	31 Mar, 2026	1,881,184	1,881,184	0.00%	$2,594,133,924.00
State Street Corp	31 Mar, 2026	1,471,879	43,205	3.02%	$2,029,706,422.00
FMR LLC	31 Mar, 2026	1,449,517	-221,194	-13.24%	$1,998,870,948.00
GEODE CAPITAL MANAGEMENT, LLC	31 Mar, 2026	1,238,619	52,710	4.44%	$1,711,752,025.00
AQR CAPITAL MANAGEMENT LLC	31 Mar, 2026	1,116,173	96,251	9.44%	$1,490,024,494.00
Jpmorgan Chase & Co	31 Mar, 2026	889,891	182,899	25.87%	$1,132,992,940.00
Capital World Investors	31 Mar, 2026	865,780	-774,752	-47.23%	$1,193,901,962.00
WESTFIELD CAPITAL MANAGEMENT CO LP	31 Mar, 2026	620,915	-47,920	-7.16%	$856,235,416.00
Invesco Ltd.	31 Mar, 2026	606,580	-46,399	-7.11%	$836,467,080.00
Morgan Stanley	31 Mar, 2026	460,135	28,462	6.59%	$634,522,928.00
FIRST TRUST ADVISORS LP	31 Mar, 2026	415,886	-66,213	-13.73%	$573,501,909.00
Capital International Investors	31 Mar, 2026	391,831	278,199	244.82%	$540,331,031.00
Northern Trust Corp	31 Mar, 2026	329,098	10,316	3.24%	$453,822,851.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Mar, 2026	287,735	1,253	0.44%	$396,783,688.00
DIMENSIONAL FUND ADVISORS LP	31 Mar, 2026	279,947	14,423	5.43%	$385,799,542.00
Federated Hermes, Inc.	31 Mar, 2026	267,030	-50,436	-15.89%	$368,231,700.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Mar, 2026	252,979	28,712	12.80%	$348,855,511.00
Hood River Capital Management LLC	31 Mar, 2026	249,385	3,528	1.43%	$343,899,421.00

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Comfort Systems Usa Inc (FIX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

1,179 Institutional Holders

Research Tools

Developers

Comfort Systems Usa Inc (FIX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

1,179 Institutional Holders

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