Ticker Story

MRCY

MERCURY SYSTEMS INC

48/ 100

2 independent bearish signals · 26 days

2 of 8 signal types active in the last 90 days

Signal Timeline

Insider ClustersellAug 21, 2026

5 insiders, sell · $17.5M · Grade A

13F Fund PositionsellAug 14, 2026

Citadel Advisors — decrease position (-62%) · $9.9M

Activist StakeJul 31, 2026

Vanguard Portfolio Management — 13G, 5.13% of Mercury Systems Inc

Activist StakeJul 29, 2026

BlackRock, Inc. — 13G/A, 14.4% of MERCURY SYSTEMS INC

Activist StakeMay 12, 2026

STATE STREET CORPORATION — 13G, 6.4% of MERCURY SYSTEMS INC

Activist StakeMar 27, 2026

The Vanguard Group — 13G/A, 0% of Mercury Systems Inc

Activist StakeMar 4, 2026

JANA Partners Management, LP — 13D/A, 6.9% of MERCURY SYSTEMS INC

Insider ClustersellNov 12, 2025

3 insiders, sell · $75.7M · Grade C

Activist StakeNov 12, 2025

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC — 13G/A, 4.2% of MERCURY SYSTEMS INC

Activist StakeNov 10, 2025

JANA Partners Management, LP — 13D/A, 8.3% of MERCURY SYSTEMS INC

Insider ClustersellAug 18, 2025

6 insiders, sell · $53.5M · Grade B

Activist StakeAug 15, 2025

JANA Partners Management, LP — 13D/A, 10% of Mercury Systems Inc

Government ContractApr 28, 2025

MERCURY SYSTEMS INC — Department of Defense, $16.4M

⚠ Detection and context from official public sources — not financial advice, not a prediction.