MERCURY SYSTEMS INC

MRCYNASDAQ

$84.87+0.80 (+0.95%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MERCURY SYSTEMS INC price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+2.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	15.61%	$1.15B	0.02%	Not reported
JANA Partners Management, LP	6.59%	$484M	25.46%	Reduce 3.62%
State Street Corp	5.69%	$418M	0.01%	Not reported
Vanguard Portfolio Management LLC	5.05%	$371M	0.02%	Not reported
Invesco Ltd.	4.45%	$327M	0.03%	Not reported
Vanguard Capital Management LLC	4.03%	$296M	0.01%	Not reported
FMR LLC	3.07%	$225M	0.01%	Not reported
T. Rowe Price Investment Management, Inc.	2.66%	$195M	0.13%	Add 1.01%
Goldman Sachs Group Inc	2.62%	$193M	0.02%	Not reported
Conestoga Capital Advisors, LLC	2.48%	$182M	3.96%	Reduce 22.49%
Geode Capital Management, LLC	2.43%	$179M	0.01%	Not reported
First Trust Advisors LP	2.16%	$159M	0.09%	Add 11.90%
Dimensional Fund Advisors LP	1.93%	$141M	0.03%	Not reported
Segall Bryant & Hamill, LLC	1.71%	$126M	1.49%	Add 10.13%
Fisher Asset Management, LLC	1.57%	$115M	0.03%	Reduce 3.70%
Neuberger Berman Group LLC	1.40%	$102M	0.07%	Not reported
Morgan Stanley	1.35%	$99.3M	0.01%	Not reported
Wellington Management Group LLP	1.29%	$94.9M	0.02%	Add 2.64%
Van Eck Associates Corp	1.27%	$93.3M	0.06%	Reduce 10.36%
Raymond James Financial Inc	1.25%	$91.6M	0.02%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	1.19%	$87.6M	0.10%	Not reported
Loomis Sayles & Co L P	1.13%	$83.3M	0.10%	Add 5.45%
American Century Companies Inc	1.11%	$81.3M	0.04%	Not reported
Lord, Abbett & Co. LLC	1.10%	$80.9M	0.23%	Add 3.00%
Emerald Advisers, LLC	1.06%	$78.1M	1.84%	Add 7.28%
Charles Schwab Investment Management Inc	1.05%	$76.8M	0.01%	Not reported
Bamco Inc	1.01%	$74.2M	0.11%	Reduce 5.91%
Northern Trust Corp	1.00%	$73.1M	0.01%	Not reported
Kennedy Capital Management LLC	0.99%	$72.4M	1.28%	Add 0.43%
Snyder Capital Management L P	0.94%	$69.3M	1.20%	Reduce 2.50%
Ameriprise Financial Inc	0.83%	$61.1M	0.01%	Not reported
Driehaus Capital Management LLC	0.81%	$59.7M	0.35%	Add 65.61%
American Capital Management Inc	0.81%	$59.5M	2.67%	New Not reported
Bessemer Group Inc	0.76%	$55.9M	0.08%	Add 1.59%
Emerald Mutual Fund Advisers Trust	0.69%	$50.4M	1.77%	Add 9.82%
Voya Investment Management LLC	0.68%	$50.2M	0.04%	Not reported
Royal Bank of Canada	0.66%	$48.2M	0.01%	Not reported
Oberweis Asset Management Inc/	0.65%	$48M	0.99%	Add 0.43%
Vanguard Fiduciary Trust Co	0.64%	$46.8M	0.01%	Not reported
William Blair Investment Management, LLC	0.63%	$46.5M	0.14%	Add 16.02%
Artisan Partners Limited Partnership	0.62%	$45.6M	0.07%	Add 5.24%
Jennison Associates LLC	0.59%	$43.4M	0.03%	Reduce 48.43%
Bank of New York Mellon Corp	0.52%	$38.4M	0.01%	Not reported
Silvercrest Asset Management Group LLC	0.48%	$34.9M	0.23%	Reduce 7.93%
UBS Group AG	0.46%	$33.6M	0.00%	Not reported
Sei Investments Co	0.44%	$32M	0.03%	Not reported
Principal Financial Group Inc	0.43%	$31.6M	0.02%	Not reported
Swedbank AB	0.41%	$29.9M	0.03%	Add 342.10%
Aristotle Capital Boston, LLC	0.41%	$29.9M	2.00%	Reduce 8.33%
Royce & Associates LP	0.40%	$29.2M	0.23%	Not reported

50 of 370 holders

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