Mercury Systems
MRCY
253 hedge funds and large institutions have $2.72B invested in Mercury Systems in 2025 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 81 increasing their positions, 91 reducing their positions, and 31 closing their positions.
42% more first-time investments, than exits
New positions opened: 44 | Existing positions closed: 31
4% more funds holding
Funds holding: 243 → 253 (+10)
2% more capital invested
Capital invested by funds: $2.66B → $2.72B (+$54.8M)
0.63% less ownership
Funds ownership: 106.39% → 105.76% (-0.63%)
7% less call options, than puts
Call options by funds: $4.02M | Put options by funds: $4.33M
11% less repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 91
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MIM
MetLife Investment Management
Whippany,
New Jersey
|
+$20.2M |
| 2 |
OAM
Oberweis Asset Management
Lisle,
Illinois
|
+$18.1M |
| 3 |
Fisher Asset Management
Camas,
Washington
|
+$14.3M |
| 4 |
Goldman Sachs
New York
|
+$12.7M |
| 5 |
VanEck Associates
New York
|
+$12.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
-$46.4M |
| 2 |
SCM
Scopia Capital Management
New York
|
-$20M |
| 3 |
Millennium Management
New York
|
-$14.9M |
| 4 |
Victory Capital Management
San Antonio,
Texas
|
-$14.3M |
| 5 |
SBH
Segall Bryant & Hamill
Chicago,
Illinois
|
-$10.7M |
MRCY Hedge Fund Activity: Q1 2025 in Review
253 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in Mercury Systems (MRCY) for Q1 2025, worth a combined $2.72B — up 2.1% from $2.66B a quarter earlier.
Buyers outnumbered sellers: 44 funds opened new MRCY positions and 31 closed out — a net gain of 13 holders — while 81 added to existing stakes and 91 trimmed.
The largest buyer was MetLife Investment Management, adding an estimated $20.2M. The largest seller was William Blair Investment Management, cutting an estimated $46.4M.
- 253 institutional investors held Mercury Systems (MRCY) as of Q1 2025, up from 243 in Q4 2024.
- Funds reported $2.72B of Mercury Systems stock for Q1 2025, up 2.1% quarter-over-quarter.
- 44 funds opened new Mercury Systems positions in Q1 2025 and 31 closed out, a net change of +13 holders.
- The largest Mercury Systems buyer in Q1 2025 was MetLife Investment Management, an estimated $20.2M added.
- The largest Mercury Systems seller in Q1 2025 was William Blair Investment Management, an estimated $46.4M sold.
Based on aggregated 13F filings for Q1 2025.