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Mercury Systems
MRCY

Overview Fund Activity

281 hedge funds and large institutions have $3.5B invested in Mercury Systems in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 116 increasing their positions, 74 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
281
Holders Change
+29
Holders Change %
+11.51%
% of All Funds
3.77%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
54
Increased
116
Reduced
74
Closed
22
Calls
$6.47M
Puts
$4.53M
Net Calls
+$1.94M
Net Calls Change
+$2.25M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$52.2M
2
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
$53.5M
3
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$29.8M
4
EA
Emerald Advisers
Pennsylvania
$24.6M
5
SAM
Silvercrest Asset Management
New York
$20.9M

Top Sellers

1
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
$294K
2
William Blair Investment Management
William Blair Investment Management
Illinois
$253M
3
BlackRock
BlackRock
New York
$444M
4
Marshall Wace
Marshall Wace
United Kingdom
$3.66M
5
SCM
Scopia Capital Management
New York
$24.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Select Equity Group
76
Select Equity Group
New York
$4.51M +$3.51M +65,219 +352%
RHJA
77
Rice Hall James & Associates
California
$4M +$1.51M +27,961 +60%
D.E. Shaw & Co
78
D.E. Shaw & Co
New York
$3.93M -$1M -18,572 -20%
GLA
79
Great Lakes Advisors
Illinois
$3.74M +$3.74M +69,485 New
Susquehanna International Group
80
Susquehanna International Group
Pennsylvania
$3.73M +$290K +5,391 +8%
Marshall Wace
81
Marshall Wace
United Kingdom
$3.66M -$25.2M -468,247 -87%
State of Wisconsin Investment Board
82
State of Wisconsin Investment Board
Wisconsin
$3.29M -$46.5K -864 -1%
New York State Teachers Retirement System (NYSTRS)
83
New York State Teachers Retirement System (NYSTRS)
New York
$3.23M – – –
AllianceBernstein
84
AllianceBernstein
Tennessee
$3.22M -$312K -5,799 -9%
ZBNA
85
Zions Bancorporation, National Association
Utah
$3.14M +$192K +3,557 +6%
KHCM
86
Kettle Hill Capital Management
New York
$3.12M +$3.12M +57,905 New
BMSSC
87
B. Metzler seel. Sohn & Co
Germany
$3.12M -$1M -18,610 -24%
Cerity Partners
88
Cerity Partners
New York
$3.1M +$11.7K +218 +0.4%
Natixis Advisors
89
Natixis Advisors
Massachusetts
$3.09M +$1.65M +30,705 +115%
Calamos Advisors
90
Calamos Advisors
Illinois
$2.96M +$1.9M +35,270 +179%
Wells Fargo
91
Wells Fargo
California
$2.73M +$303K +5,624 +12%
NICM
92
Neo Ivy Capital Management
New York
$2.73M +$2.73M +50,632 New
ACM
93
Archon Capital Management
Washington
$2.67M +$2.67M +49,600 New
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$2.52M +$22.4K +416 +0.9%
Squarepoint
95
Squarepoint
New York
$2.47M +$1.98M +36,807 +406%
T. Rowe Price Associates
96
T. Rowe Price Associates
Maryland
$2.37M +$164K +3,042 +7%
GAM
97
Gotham Asset Management
New York
$2.3M +$794K +14,747 +53%
Canada Life
98
Canada Life
Manitoba, Canada
$2.29M -$74.3K -1,379 -3%
MNBTD
99
Moody National Bank Trust Division
Texas
$2.21M – – –
Deutsche Bank
100
Deutsche Bank
Germany
$2.17M -$858K -15,930 -28%
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4
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