908 Devices
MASS
87 hedge funds and large institutions have $92.3M invested in 908 Devices in 2025 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 30 increasing their positions, 19 reducing their positions, and 16 closing their positions.
150% more capital invested
Capital invested by funds: $36.9M → $92.3M (+$55.4M)
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
58% more repeat investments, than reductions
Existing positions increased: 30 | Existing positions reduced: 19
38% more first-time investments, than exits
New positions opened: 22 | Existing positions closed: 16
10.25% more ownership
Funds ownership: 48.12% → 58.37% (+10%)
7% more funds holding
Funds holding: 81 → 87 (+6)
31% less call options, than puts
Call options by funds: $336K | Put options by funds: $487K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AIC
AWM Investment Company
New York
|
+$10.4M |
| 2 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
+$5.04M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$1.92M |
| 4 |
EIM
Essex Investment Management
Boston,
Massachusetts
|
+$1.42M |
| 5 |
Morgan Stanley
New York
|
+$785K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
-$3.99M |
| 2 |
GIM
Granahan Investment Management
Waltham,
Massachusetts
|
-$1.15M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$584K |
| 4 |
Goldman Sachs
New York
|
-$561K |
| 5 |
BlackRock
New York
|
-$533K |
MASS Hedge Fund Activity: Q1 2025 in Review
87 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in 908 Devices (MASS) for Q1 2025, worth a combined $92.3M — up 150% from $36.9M a quarter earlier.
Buyers outnumbered sellers: 22 funds opened new MASS positions and 16 closed out — a net gain of 6 holders — while 30 added to existing stakes and 19 trimmed.
The largest buyer was AWM Investment Company, adding an estimated $10.4M. The largest seller was Ameriprise, exiting entirely with an estimated $3.99M sold.
- 87 institutional investors held 908 Devices (MASS) as of Q1 2025, up from 81 in Q4 2024.
- Funds reported $92.3M of 908 Devices stock for Q1 2025, up 150% quarter-over-quarter.
- 22 funds opened new 908 Devices positions in Q1 2025 and 16 closed out, a net change of +6 holders.
- The largest 908 Devices buyer in Q1 2025 was AWM Investment Company, an estimated $10.4M added.
- The largest 908 Devices seller in Q1 2025 was Ameriprise, an estimated $3.99M sold.
Based on aggregated 13F filings for Q1 2025.