908 Devices
MASS
101 hedge funds and large institutions have $174M invested in 908 Devices in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 36 increasing their positions, 25 reducing their positions, and 12 closing their positions.
380% more call options, than puts
Call options by funds: $509K | Put options by funds: $106K
117% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 12
88% more capital invested
Capital invested by funds: $92.3M → $174M (+$81.2M)
44% more repeat investments, than reductions
Existing positions increased: 36 | Existing positions reduced: 25
16% more funds holding
Funds holding: 87 → 101 (+14)
9.51% more ownership
Funds ownership: 58.37% → 67.89% (+9.5%)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
State Street
Boston,
Massachusetts
|
+$10.1M |
| 2 |
GAG
GM Advisory Group
Melville,
New York
|
+$6.47M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$2.82M |
| 4 |
First Eagle Investment Management
New York
|
+$1.49M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$1.39M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
-$3.52M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$3.09M |
| 3 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$1.39M |
| 4 |
D.E. Shaw & Co
New York
|
-$853K |
| 5 |
FIA
FNY Investment Advisers
New York
|
-$419K |
MASS Hedge Fund Activity: Q2 2025 in Review
101 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in 908 Devices (MASS) for Q2 2025, worth a combined $174M — up 88% from $92.3M a quarter earlier.
Buyers outnumbered sellers: 26 funds opened new MASS positions and 12 closed out — a net gain of 14 holders — while 36 added to existing stakes and 25 trimmed.
The largest buyer was State Street, adding an estimated $10.1M. The largest seller was First Light Asset Management, cutting an estimated $3.52M.
- 101 institutional investors held 908 Devices (MASS) as of Q2 2025, up from 87 in Q1 2025.
- Funds reported $174M of 908 Devices stock for Q2 2025, up 88% quarter-over-quarter.
- 26 funds opened new 908 Devices positions in Q2 2025 and 12 closed out, a net change of +14 holders.
- The largest 908 Devices buyer in Q2 2025 was State Street, an estimated $10.1M added.
- The largest 908 Devices seller in Q2 2025 was First Light Asset Management, an estimated $3.52M sold.
Based on aggregated 13F filings for Q2 2025.