Tecogen Inc
TGEN
69 hedge funds and large institutions have $49.5M invested in Tecogen Inc in 2026 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 18 increasing their positions, 15 reducing their positions, and 13 closing their positions.
148% more capital invested
Capital invested by funds: $19.9M → $49.5M (+$29.5M)
143% more call options, than puts
Call options by funds: $6.69M | Put options by funds: $2.75M
54% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 13
20% more repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 15
11% more funds holding
Funds holding: 62 → 69 (+7)
5.6% more ownership
Funds ownership: 26.09% → 31.69% (+5.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCM
Portolan Capital Management
Boston,
Massachusetts
|
+$5.55M |
| 2 |
GC
Gratia Capital
Los Angeles,
California
|
+$1.95M |
| 3 |
Morgan Stanley
New York
|
+$1.13M |
| 4 |
HA
Huntleigh Advisors
St. Louis,
Missouri
|
+$1.1M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$1.03M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Arosa Capital Management
Miami Beach,
Florida
|
-$1.13M |
| 2 |
GJL
Gendell Jeffrey L
|
-$980K |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$765K |
| 4 |
Renaissance Technologies
New York
|
-$697K |
| 5 |
IWC
Integrated Wealth Concepts
Waltham,
Massachusetts
|
-$532K |
TGEN Hedge Fund Activity: Q2 2026 in Review
69 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Tecogen Inc (TGEN) for Q2 2026, worth a combined $49.5M — up 148% from $19.9M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new TGEN positions and 13 closed out — a net gain of 7 holders — while 18 added to existing stakes and 15 trimmed.
The largest buyer was Portolan Capital Management, adding an estimated $5.55M. The largest seller was Arosa Capital Management, cutting an estimated $1.13M.
- 69 institutional investors held Tecogen Inc (TGEN) as of Q2 2026, up from 62 in Q1 2026.
- Funds reported $49.5M of Tecogen Inc stock for Q2 2026, up 148% quarter-over-quarter.
- 20 funds opened new Tecogen Inc positions in Q2 2026 and 13 closed out, a net change of +7 holders.
- The largest Tecogen Inc buyer in Q2 2026 was Portolan Capital Management, an estimated $5.55M added.
- The largest Tecogen Inc seller in Q2 2026 was Arosa Capital Management, an estimated $1.13M sold.
Based on aggregated 13F filings for Q2 2026.