CITADEL ADVISORS LLC

Position in MTRX — Matrix Service Co

CIK 1423053 MIAMI, FL

Back to MTRX Full portfolio

Position in MTRX

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

Position Value

$5,419,099

+$2,746,714 QoQ

Shares Held

472,047

+106.7% QoQ

Ownership

1.68%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MTRX Over Time

Shares Held

Position Value (USD)

Derivatives in MTRX

reported options exposure · as of Mar 31, 2026

CallValue

$125,132

CallShares

10,900

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $827,384,171 across 39 Engineering & Construction names. MTRX ranks #21 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EME	EMCOR Group, Inc.	178,496	$131,785,381
2	MTZ	Mastec Inc	279,778	$90,015,773
3	BLD	QXO Insulation, LLC	209,475	$73,588,567
4	ACM	Aecom	714,657	$60,617,206
5	TTEK	Tetra Tech Inc	1,740,911	$52,436,238
6	PWR	Quanta Services, Inc.	88,607	$48,647,014
7	PRIM	Primoris Services Corp	282,418	$40,397,070
8	J	Jacobs Solutions Inc.	299,454	$38,114,504

All Filings in MTRX

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$125,132	10,900	-97.7%	Call	Defined	2026-05-15
2026-03-31	$5,419,099	472,047	+2085.4%	Shares	Defined	2026-05-15
2025-12-31	$252,720	21,600	-90.5%	Call	Defined	2026-02-17
2025-12-31	$2,672,385	228,409	+1579.5%	Shares	Defined	2026-02-17
2025-09-30	$177,888	13,600	-74.4%	Call	Defined	2025-11-14
2025-09-30	$693,802	53,043	-26.3%	Shares	Defined	2025-11-14
2025-06-30	$972,720	72,000	-7.1%	Call	Defined	2025-08-14
2025-03-31	$963,325	77,500	+8511.1%	Call	Defined	2025-05-15
2025-03-31	$11,187	900	-55.0%	Put	Defined	2025-05-15
2024-12-31	$23,940	2,000	-61.5%	Call	Defined	2025-02-14
2024-12-31	$62,244	5,200	-71.8%	Put	Defined	2025-02-14
2024-12-31	$220,379	18,411	+3582.2%	Shares	Defined	2025-02-14
2024-09-30	$5,765	500	-98.7%	Put	Defined	2024-11-14
2024-09-30	$447,825	38,840	+847.3%	Shares	Defined	2024-11-14
2024-09-30	$47,273	4,100	-90.4%	Call	Defined	2024-11-14
2024-06-30	$425,004	42,800	+8460.0%	Call	Defined	2024-08-14
2024-06-30	$4,965	500	-99.3%	Put	Defined	2024-08-14
2024-06-30	$703,659	70,862	+152.2%	Shares	Defined	2024-08-14
2024-03-31	$366,143	28,100	+6925.0%	Call	Defined	2024-05-15
2024-03-31	$5,212	400	-99.7%	Put	Defined	2024-05-15
2024-03-31	$1,704,896	130,844	-59.4%	Shares	Defined	2024-05-15
2023-12-31	$3,151,555	322,245	+20040.3%	Shares	Defined	2024-02-14
2023-12-31	$15,648	1,600	-88.7%	Put	Defined	2024-02-14
2023-12-31	$137,898	14,100	+729.4%	Call	Defined	2024-02-14
2023-09-30	$20,060	1,700	-98.5%	Put	Defined	2023-11-14
2023-09-30	$1,330,354	112,742	+403.3%	Shares	Defined	2023-11-14
2023-09-30	$264,320	22,400	+2700.0%	Call	Defined	2023-11-14
2023-06-30	$4,712	800	-20.0%	Put	Defined	2023-08-14
2023-06-30	$5,890	1,000	-99.4%	Call	Defined	2023-08-14
2023-06-30	$949,997	161,290	+9387.6%	Shares	Defined	2023-08-14
2023-03-31	$9,180	1,700	+142.9%	Put	Defined	2023-05-15
2023-03-31	$3,780	700	-99.6%	Call	Defined	2023-05-15
2023-03-31	$857,066	158,716	-30.6%	Shares	Defined	2023-05-15
2022-12-31	$1,422,905	228,763	+17497.2%	Shares	Defined	2023-02-14
2022-12-31	$8,086	1,300	+550.0%	Call	Defined	2023-02-14
2022-12-31	$1,244	200	-99.9%	Put	Defined	2023-02-14
2022-06-30	$928,853	183,568	-17.3%	Shares	Defined	2022-08-15
2022-03-31	$1,825,653	222,099	+4.8%	Shares	Defined	2022-05-16
2021-12-31	$1,593,171	211,858	+218.1%	Shares	Defined	2022-02-14
2021-09-30	$696,636	66,600	+130.2%	Put	Defined	2021-11-15
2021-09-30	$302,586	28,928	-57.2%	Shares	Defined	2021-11-15
2021-06-30	$709,800	67,600	+363.3%	Put	Defined	2021-08-16
2021-06-30	$153,205	14,591	-68.4%	Shares	Defined	2021-08-16
2021-03-31	$604,462	46,107	+268.9%	Shares	Defined	2021-05-21
2020-12-31	$137,750	12,500	-79.3%	Call	Defined	2021-02-16
2020-12-31	$664,087	60,262	+174.5%	Shares	Defined	2021-02-16
2020-09-30	$183,307	21,953	-71.3%	Shares	Defined	2020-11-16
2020-06-30	$743,443	76,486	+431.2%	Shares	Defined	2020-08-14
2020-03-31	$136,368	14,400	-83.5%	Put	Defined	2020-05-15
2020-03-31	$828,236	87,459	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.