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Mercury Systems

345 hedge funds and large institutions have $4.72B invested in Mercury Systems in 2025 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 126 increasing their positions, 113 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

72% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 32

41% more call options, than puts

Call options by funds: $10.2M | Put options by funds: $7.21M

12% more repeat investments, than reductions

Existing positions increased: 126 | Existing positions reduced: 113

6% more funds holding

Funds holding: 325345 (+20)

0% more funds holding in top 10

Funds holding in top 10: 66 (0)

0.58% less ownership

Funds ownership: 108.06%107.48% (-0.58%)

6% less capital invested

Capital invested by funds: $5.02B → $4.72B (-$302M)

Holders
345
Holders Change
+20
Holders Change %
+6.15%
% of All Funds
4.2%
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
55
Increased
126
Reduced
113
Closed
32
Calls
$10.2M
Puts
$7.21M
Net Calls
+$2.96M
Net Calls Change
+$1.67M
Name Holding Trade Value Shares
Change
Change in
Stake
PC
101
Pier Capital
Connecticut
$4.14M -$211K -2,840 -5%
State of Wisconsin Investment Board
102
State of Wisconsin Investment Board
Wisconsin
$4.1M -$623K -8,374 -13%
Citigroup
103
Citigroup
New York
$3.91M -$411K -5,520 -9%
Qube Research & Technologies (QRT)
104
Qube Research & Technologies (QRT)
United Kingdom
$3.76M +$1.93M +25,969 +102%
California State Teachers Retirement System (CalSTRS)
105
California State Teachers Retirement System (CalSTRS)
California
$3.74M +$201K +2,697 +6%
Calamos Advisors
106
Calamos Advisors
Illinois
$3.64M -$312K -4,189 -8%
RHJA
107
Rice Hall James & Associates
California
$3.56M -$336K -4,523 -8%
ZBNA
108
Zions Bancorporation, National Association
Utah
$3.46M -$244K -3,281 -6%
EP
109
Edgestream Partners
New Jersey
$3.44M +$1.2M +16,072 +52%
PCM
110
Portolan Capital Management
Massachusetts
$3.38M +$110K +1,484 +3%
BMSSC
111
B. Metzler seel. Sohn & Co
Germany
$3.31M -$933K -12,544 -22%
Canada Life
112
Canada Life
Manitoba, Canada
$3.31M +$95.7K +1,286 +3%
MHP
113
Manatuck Hill Partners
Connecticut
$3.29M +$3.35M +45,000 New
AQR Capital Management
114
AQR Capital Management
Connecticut
$3.05M +$554K +7,447 +22%
LCM
115
Legato Capital Management
California
$3.02M +$1.29M +17,311 +72%
IIM
116
Ironwood Investment Management
Massachusetts
$2.88M -$4.02K -54 -0.1%
SOADOR
117
State of Alaska Department of Revenue
Alaska
$2.81M +$622K +8,365 +28%
Swedbank
118
Swedbank
Sweden
$2.8M +$2.51M +33,684 +722%
GAM
119
Gotham Asset Management
New York
$2.79M +$1.47M +19,760 +107%
STA
120
Summit Trail Advisors
New York
$2.77M +$1.62M +21,802 +135%
Marshall Wace
121
Marshall Wace
United Kingdom
$2.69M +$2.74M +36,821 New
Thrivent Financial for Lutherans
122
Thrivent Financial for Lutherans
Minnesota
$2.65M -$126K -1,697 -4%
TD Asset Management
123
TD Asset Management
Ontario, Canada
$2.38M +$118K +1,586 +5%
State of New Jersey Common Pension Fund D
124
State of New Jersey Common Pension Fund D
New Jersey
$2.32M -$48.9K -658 -2%
BIP
125
Bouvel Investment Partners
Pennsylvania
$2.28M -$13.1K -176 -0.6%