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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
BlackRock
1
BlackRock
New York
$629M +$10M +134,480 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$411M -$7.36M -98,984 -2%
JPM
3
JANA Partners Management
New York
$362M -$74.4M -1,000,000 -17%
State Street
4
State Street
Massachusetts
$250M +$27.4M +368,242 +12%
CCA
5
Conestoga Capital Advisors
Pennsylvania
$159M -$7.82M -105,102 -5%
Invesco
6
Invesco
Georgia
$140M +$28.5M +383,299 +25%
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$113M +$1.58M +21,182 +1%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$108M -$19.9M -267,993 -15%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$99.9M +$3.51M +47,174 +4%
Ameriprise
10
Ameriprise
Minnesota
$94.2M +$75.1M +1,009,297 +360%
First Trust Advisors
11
First Trust Advisors
Illinois
$93.4M -$18.9M -253,438 -17%
Goldman Sachs
12
Goldman Sachs
New York
$84.4M -$6.18M -83,038 -7%
Fidelity Investments
13
Fidelity Investments
Massachusetts
$84.1M -$24.6M -331,281 -22%
Neuberger Berman Group
14
Neuberger Berman Group
New York
$75.2M -$1.22M -16,366 -2%
William Blair Investment Management
15
William Blair Investment Management
Illinois
$71.9M -$112M -1,503,684 -60%
T. Rowe Price Associates
16
T. Rowe Price Associates
Maryland
$63.3M +$118K +1,593 +0.2%
Fisher Asset Management
17
Fisher Asset Management
Washington
$62.8M -$1.11M -14,896 -2%
Loomis, Sayles & Company
18
Loomis, Sayles & Company
Massachusetts
$62.2M -$2.44M -32,798 -4%
BAMCO Inc
19
BAMCO Inc
New York
$61M -$34.2M -459,461 -35%
Allspring Global Investments
20
Allspring Global Investments
North Carolina
$57.3M +$4.45M +59,828 +9%
SCM
21
Snyder Capital Management
California
$54.7M -$2.44M -32,868 -4%
Morgan Stanley
22
Morgan Stanley
New York
$53.3M -$10.8M -145,721 -17%
VanEck Associates
23
VanEck Associates
New York
$53M +$337K +4,531 +0.6%
Raymond James Financial
24
Raymond James Financial
Florida
$52.1M +$38.3M +515,165 +267%
KCM
25
Kennedy Capital Management
Missouri
$49M +$1M +13,476 +2%