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MRCY
NASDAQ Manufacturing

Activist Investor JANA Partners Significantly Reduces Stake in Mercury Systems

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Aerospace & Defense Stocks · Industrial
Sentiment info
Negative
Importance info
8
Price
$89.12
Mkt Cap
$5.352B
52W Low
$39.89
52W High
$103.84
52W Position info
123% above low
Off High info
14% below high
Rel. Volume info
0.7× avg
Market data snapshot near publication time

MRCY has more than doubled off its 52-week low of $39.89.

Summary

Activist investor JANA Partners has sold over $73 million worth of Mercury Systems shares, reducing its stake to 6.9% of outstanding common stock.


Key Events · Ownership and Investor Activity · MRCY

  • Significant Stake Reduction

    JANA Partners Management, LP, an activist investor with board representation, reported reducing its beneficial ownership in Mercury Systems to 6.9% of outstanding common stock.

  • Over $73 Million in Share Sales

    The filing details sales of 852,057 shares over the past 60 days, totaling approximately $73.8 million, with transactions occurring between $81.00 and $94.05 per share.

  • Rebalancing Cited as Reason

    JANA Partners stated the transactions were for the purpose of rebalancing the holdings of funds and accounts it manages.


Analysis · MRCY · Manufacturing

JANA Partners, an activist investor with a board seat through Mr. Ostfeld, has significantly reduced its beneficial ownership in Mercury Systems through sales totaling over $73 million in the past 60 days. While cited as "rebalancing," this substantial reduction in stake, now at 6.9% of outstanding shares, could signal a shift in JANA's investment thesis or a move to monetize gains, potentially impacting investor sentiment negatively. Investors should monitor any further statements from JANA or changes in board composition.

At the time of this filing, MRCY was trading at $89.12 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $5.4B. The 52-week trading range was $39.89 to $103.84. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.

View Main SEC Filing

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MRCY - Latest Insights

MRCY
May 28, 2026, 5:00 PM EDT
Source: GlobeNewswire
Importance Score:
8
Price at Filing: $113.00
Real-time Price: $99.38 info
Change: -$13.62 (-12%) info
Market Cap: $5.967B info
MRCY
May 05, 2026, 4:03 PM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $85.75
Real-time Price: $99.38 info
Change: +$13.63 (+16%) info
Market Cap: $5.967B info
MRCY
May 05, 2026, 4:00 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $83.75
Real-time Price: $99.38 info
Change: +$15.63 (+19%) info
Market Cap: $5.967B info
MRCY
Mar 12, 2026, 5:15 PM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $81.30
Real-time Price: $99.38 info
Change: +$18.08 (+22%) info
Market Cap: $5.967B info
MRCY
Mar 04, 2026, 9:45 PM EST
Filing Type: 4
Importance Score:
7
Price at Filing: $89.12
Real-time Price: $99.38 info
Change: +$10.26 (+12%) info
Market Cap: $5.967B info