AQR CAPITAL MANAGEMENT LLC

Position in FIX — Comfort Systems USA Inc

CIK 1167557 Greenwich, CT

Position in FIX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$1,539,270,000

+$587,387,000 QoQ

Shares Held

1,116,230

+9.4% QoQ

Ownership

3.17%

of shares outstanding

% of Portfolio

0.72%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 96.6313394192953.ToString("F0")% Shared 0.ToString("F0")% None 3.368660580704694.ToString("F0")%

Industrials · as of Mar 31, 2026

AQR CAPITAL MANAGEMENT LLC holds $3,359,747,862 across 33 Engineering & Construction names. FIX ranks #1 (45.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FIX	Comfort Systems USA Inc This page	1,116,230	$1,539,270,000
2	EME	EMCOR Group, Inc.	937,080	$691,855,531
3	MTZ	Mastec Inc	660,054	$212,365,770
4	J	Jacobs Solutions Inc.	1,198,535	$152,549,532
5	FLR	Fluor Corp	2,714,017	$126,608,889
6	ACM	Aecom	1,061,227	$90,013,269
7	PWR	Quanta Services, Inc.	117,940	$64,751,416
8	EXPO	Exponent Inc	981,274	$64,028,125

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,539,270,000	1,116,230	+9.4%	Shares	Other	2026-05-15
2025-12-31	$951,883,000	1,019,922	+22.1%	Shares	Other	2026-02-17
2025-09-30	$689,487,398	835,560	+6.8%	Shares	Other	2025-11-14
2025-06-30	$419,549,469	782,435	+47.5%	Shares	Other	2025-08-14
2025-03-31	$170,972,854	530,428	+106.4%	Shares	Other	2025-05-15
2024-12-31	$108,972,815	256,975	+25.2%	Shares	Defined	2025-02-14
2024-09-30	$80,128,314	205,273	+44.0%	Shares	Other	2024-11-14
2024-06-30	$43,349,264	142,540	+88.0%	Shares	Other	2024-08-14
2024-03-31	$24,094,173	75,837	+159.2%	Shares	Defined	2024-05-15
2023-12-31	$6,017,903	29,260	-10.0%	Shares	Defined	2024-02-14
2023-09-30	$5,541,733	32,520	+7.3%	Shares	Defined	2023-11-14
2023-06-30	$4,974,603	30,296	+3.4%	Shares	Defined	2023-08-14
2023-03-31	$4,274,730	29,287	+127.4%	Shares	Defined	2023-05-15
2022-12-31	$1,481,885	12,877	-2.6%	Shares	Defined	2023-02-14
2022-09-30	$1,286,702	13,220	+0.1%	Shares	Defined	2022-11-14
2022-06-30	$1,097,663	13,201	-3.0%	Shares	Defined	2022-08-15
2022-03-31	$1,211,426	13,610	+15.6%	Shares	Defined	2022-05-16
2021-12-31	$1,165,315	11,778	-33.4%	Shares	Defined	2022-02-14
2021-09-30	$1,260,652	17,676	-21.4%	Shares	Defined	2021-11-15
2021-06-30	$1,771,987	22,490	+10.8%	Shares	Defined	2021-08-16
2021-03-31	$1,517,008	20,289	-62.9%	Shares	Defined	2021-05-17
2020-12-31	$2,879,238	54,676	+21.2%	Shares	Defined	2021-02-16
2020-09-30	$2,323,513	45,108	-40.4%	Shares	Defined	2020-11-16
2020-06-30	$3,082,778	75,651	-17.7%	Shares	Defined	2020-08-17
2020-03-31	$3,360,297	91,937	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.