13D Management LLC

Position in MRCY — Mercury Systems Inc

CIK 1600133 New York, NY

Position in MRCY

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$7,396,316

+$2,988,032 QoQ

Shares Held

60,462

0.0% QoQ

Ownership

0.101%

of shares outstanding

% of Portfolio

10.37%

of 13F equity value

Holder Rank

#95

of 391 holders

Holding Since

Mar 2022

17 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

13D Management LLC holds $7,396,316 across 1 Aerospace & Defense name. MRCY ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	MRCY	Mercury Systems Inc This page	60,462	$7,396,316

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,396,316	60,462	0.0%	Shares	Sole	2026-08-14
2026-03-31	$4,408,284	60,462	-41.7%	Shares	Sole	2026-05-15
2025-12-31	$7,575,663	103,762	-24.3%	Shares	Sole	2026-02-17
2025-09-30	$10,604,728	137,012	0.0%	Shares	Sole	2025-11-14
2025-06-30	$7,379,466	137,012	-32.4%	Shares	Sole	2025-08-14
2025-03-31	$8,734,386	202,701	-8.3%	Shares	Sole	2025-05-15
2024-12-31	$9,282,630	221,015	+68.1%	Shares	Sole	2025-02-14
2024-09-30	$4,865,796	131,508	+0.2%	Shares	Sole	2024-11-14
2024-06-30	$3,543,408	131,286	-18.5%	Shares	Sole	2024-08-14
2024-03-31	$4,754,397	161,166	+0.1%	Shares	Sole	2024-05-15
2023-12-31	$5,887,257	160,986	-19.2%	Shares	Sole	2024-02-14
2023-09-30	$7,390,887	199,269	+60.4%	Shares	Sole	2023-11-14
2023-03-31	$6,349,104	124,200	-33.1%	Shares	Sole	2023-05-15
2022-12-31	$8,301,507	185,550	-12.6%	Shares	Sole	2023-02-14
2022-09-30	$8,621,410	212,350	0.0%	Shares	Sole	2022-11-14
2022-06-30	$13,660,475	212,350	+6.6%	Shares	Sole	2022-08-15
2022-03-31	$12,835,217	199,150	—	Shares	Sole	2022-05-16
No filing history on record for this holder in this stock.