MRCY icon

Mercury Systems

341 hedge funds and large institutions have $4.72B invested in Mercury Systems in 2025 Q4 according to their latest regulatory filings, with 52 funds opening new positions, 126 increasing their positions, 113 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

0% more funds holding in top 10

Funds holding in top 10: 66 (0)

0.6% less ownership

Funds ownership: 108.05%107.45% (-0.6%)

6% less capital invested

Capital invested by funds: $5.02B → $4.72B (-$303M)

Holders
341
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$10.2M
Puts
$7.21M
Net Calls
Net Calls Change

Top Buyers

1 +$75.1M
2 +$38.3M
3 +$35.6M
4
Invesco
Invesco
Georgia
+$28.5M
5
State Street
State Street
Massachusetts
+$27.4M

Top Sellers

1 -$112M
2 -$74.4M
3 -$38.9M
4
BAMCO Inc
BAMCO Inc
New York
-$34.2M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$24.6M
Name Holding Trade Value Shares
Change
Change in
Stake
PC
101
Pier Capital
Connecticut
$4.14M
State of Wisconsin Investment Board
102
State of Wisconsin Investment Board
Wisconsin
$4.1M
Citigroup
103
Citigroup
New York
$3.91M
Qube Research & Technologies (QRT)
104
Qube Research & Technologies (QRT)
United Kingdom
$3.76M
California State Teachers Retirement System (CalSTRS)
105
California State Teachers Retirement System (CalSTRS)
California
$3.74M
Calamos Advisors
106
Calamos Advisors
Illinois
$3.64M
RHJA
107
Rice Hall James & Associates
California
$3.56M
ZBNA
108
Zions Bancorporation, National Association
Utah
$3.46M
EP
109
Edgestream Partners
New Jersey
$3.44M
PCM
110
Portolan Capital Management
Massachusetts
$3.38M
BMSSC
111
B. Metzler seel. Sohn & Co
Germany
$3.31M
Canada Life
112
Canada Life
Manitoba, Canada
$3.31M
MHP
113
Manatuck Hill Partners
Connecticut
$3.29M
AQR Capital Management
114
AQR Capital Management
Connecticut
$3.05M
LCM
115
Legato Capital Management
California
$3.02M
IIM
116
Ironwood Investment Management
Massachusetts
$2.88M
SOADOR
117
State of Alaska Department of Revenue
Alaska
$2.81M
Swedbank
118
Swedbank
Sweden
$2.8M
GAM
119
Gotham Asset Management
New York
$2.79M
STA
120
Summit Trail Advisors
New York
$2.77M
Marshall Wace
121
Marshall Wace
United Kingdom
$2.69M
Thrivent Financial for Lutherans
122
Thrivent Financial for Lutherans
Minnesota
$2.65M
TD Asset Management
123
TD Asset Management
Ontario, Canada
$2.38M
State of New Jersey Common Pension Fund D
124
State of New Jersey Common Pension Fund D
New Jersey
$2.32M
BIP
125
Bouvel Investment Partners
Pennsylvania
$2.28M