MRCYMercury Systems, Inc.

$89.62

Who owns MRCY

352 institutions reported holding MRCY for 2026Q1, together 110% of the company, more than the 342 a quarter earlier.

352

Institutions reporting a position · as of 2026Q1 · up from 342 the quarter before

Shares held by institutions
65.1M

Shares held by institutions · 110% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.75B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
42%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
49
Positions exited
45
Added to
130
Reduced
114
Top 10 holdersof the company
55%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q135265.1M$4.75B
2025Q434264.6M$4.72B
2025Q331964.8M$5.01B
2025Q228065.0M$3.50B
2025Q124863.0M$2.72B
2024Q423963.4M$2.66B
2024Q324263.0M$2.33B
2024Q223064.7M$1.75B
2024Q121962.3M$1.84B
2023Q421560.9M$2.23B
2023Q321359.8M$2.22B
2023Q223256.2M$1.94B
2023Q124057.5M$2.94B
2022Q423458.4M$2.61B
2022Q323257.3M$2.33B
2022Q224756.6M$3.64B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.8.9M15%$650M
VANGUARD GROUP INC5.8M9.7%$419M
JANA Partners Management, LP4.1M6.9%$299M
STATE STREET CORP3.9M6.5%$282M
Invesco Ltd.2.4M4.1%$178M
Conestoga Capital Advisors, LLC1.9M3.2%$140M
T. Rowe Price Investment Management, Inc.1.6M2.7%$115M
GEODE CAPITAL MANAGEMENT LLC1.5M2.6%$111M
DIMENSIONAL FUND ADVISORS LP1.2M2.1%$90M
GOLDMAN SACHS GROUP INC1.2M2.0%$88M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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