MERCURY SYS INC

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MRCY·589378108·US·Common Stock·Industrials - Aerospace & Defense-Activist

MRCY (MERCURY SYS INC) is held by 174 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($1.1B), STATE STREET CORP ($418M), VANGUARD PORTFOLIO MANAGEMENT LLC ($370.8M). Net institutional sentiment: Mixed.

174

Holders

(18 Elite)

$5.9B

Total Value

52% (184)

Consensus

96 buying - 88 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)45

Insider (Form 4)83

Activist (13D/13G)48

Congressional (STOCK Act)70

Holder Quality

30

★★★★★

Elite

32

★★★★

Strong

22

★★★

Solid

76

★★

Below

33

★

Weak

Held by 174 funds

18 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 27, 2026 · Activists Jul 31, 2026 · Congress none

InsiderBLBallhaus William LSell $3.4MAug 26, 2026

InsiderBLBallhaus William LSell $970KAug 26, 2026

InsiderBLBallhaus William LExercise 68K shAug 26, 2026

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Top Holders

Top Holders (174)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	9.4M(+5.0%)	$1.1B	0.0%	+84.34%	34
STATE STREET CORP	Decreased	3.4M(-11.6%)	$418M	0.0%	+90.89%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	3M(+4.1%)	$370.8M	0.0%	-1.08%	32
Invesco Ltd.	Increased	2.7M(+9.3%)	$326.6M	0.0%	+15.46%	34
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	2.4M(+0.8%)	$296.4M	0.0%	+0.08%	31
FMR LLC	Increased	1.8M(+103.8%)	$225.3M	0.0%	+2.34%	49
GOLDMAN SACHS GROUP INC	Increased	1.6M(+31.2%)	$192.8M	0.0%	+32.89%	39
GEODE CAPITAL MANAGEMENT, LLC	Decreased	1.5M(-4.3%)	$178.6M	0.0%	+74.96%	0
FIRST TRUST ADVISORS LP	Increased	1.3M(+11.9%)	$158.9M	0.1%	+40.82%	34
DIMENSIONAL FUND ADVISORS LP	Decreased	1.2M(-5.8%)	$141.4M	0.0%	+93.34%	0
Fisher Asset Management, LLC	Decreased	944,069(-3.7%)	$115.5M	0.0%	+68.68%	0
FRANKLIN RESOURCES INC	Increased	846,732(+86.7%)	$103.6M	0.0%	-10.64%	47
Neuberger Berman Group LLC	Decreased	841,556(-7.6%)	$102.1M	0.1%	+145.74%	0
MORGAN STANLEY	Increased	811,565(+20.9%)	$99.3M	0.0%	+69.59%	36
WELLINGTON MANAGEMENT GROUP LLP	Increased	775,502(+2.6%)	$94.9M	0.0%	-0.57%	31
RAYMOND JAMES FINANCIAL INC	Decreased	748,808(-5.7%)	$91.6M	0.0%	+29.75%	0
MAMIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Decreased	715,977(-16.7%)	$87.6M	0.1%	+40.51%	0
LOOMIS SAYLES & CO L P	Increased	681,142(+5.5%)	$83.3M	0.1%	+68.81%	38
AMERICAN CENTURY COMPANIES INC	Increased	664,960(+14.1%)	$81.3M	0.0%	+2.46%	34
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	627,581(-1.3%)	$76.8M	0.0%	+88.92%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer