We are live on ! Find out more
TGEN

Tecogen Inc

62 hedge funds and large institutions have $19.9M invested in Tecogen Inc in 2026 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 16 increasing their positions, 19 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

122% more call options, than puts

Call options by funds: $1.58M | Put options by funds: $711K

0.56% more ownership

Funds ownership: 25.53%26.09% (+0.56%)

5% less funds holding

Funds holding: 6562 (-3)

12% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 17

16% less repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 19

47% less capital invested

Capital invested by funds: $37.6M → $19.9M (-$17.7M)

Holders
62
Holders Change
-3
Holders Change %
-4.62%
% of All Funds
0.76%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
15
Increased
16
Reduced
19
Closed
17
Calls
$1.58M
Puts
$711K
Net Calls
+$865K
Net Calls Change
-$93K
Name Holding Trade Value Shares
Change
Change in
Stake
VCM
1
Vanguard Capital Management
Pennsylvania
$1.97M +$2.83M +769,964 New
BA
2
Bard Associates
Illinois
$1.76M -$2.93K -798 -0.1%
CHAM
3
Clear Harbor Asset Management
Connecticut
$1.66M +$147K +40,000 +7%
PCM
4
Portolan Capital Management
Massachusetts
$1.14M -$8.28K -2,255 -0.5%
HIM
5
Herald Investment Management
United Kingdom
$1.08M
ACM
6
Arosa Capital Management
Florida
$896K
PIP
7
Palisades Investment Partners
California
$855K -$207K -56,305 -14%
UBS Group
8
UBS Group
Switzerland
$819K +$789K +214,877 +205%
MIM
9
Meros Investment Management
Texas
$747K +$1.07M +291,705 New
Renaissance Technologies
10
Renaissance Technologies
New York
$697K +$801K +218,000 +401%
GJL
11
Gendell Jeffrey L
$629K -$184K -50,000 -17%
IWC
12
Integrated Wealth Concepts
Massachusetts
$559K +$802K +218,380 New
Marshall Wace
13
Marshall Wace
United Kingdom
$531K -$290K -78,858 -28%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$492K +$51.7K +14,088 +8%
Raymond James Financial
15
Raymond James Financial
Florida
$476K +$316K +86,040 +86%
BlackRock
16
BlackRock
New York
$473K -$24.2K -6,581 -3%
Citadel Advisors
17
Citadel Advisors
Florida
$378K +$362K +98,552 +201%
New York State Common Retirement Fund
18
New York State Common Retirement Fund
New York
$351K
HighTower Advisors
19
HighTower Advisors
Illinois
$340K
Jane Street
20
Jane Street
New York
$300K -$332K -90,265 -43%
Susquehanna International Group
21
Susquehanna International Group
Pennsylvania
$280K -$711K -193,454 -64%
TDC
22
Thompson Davis & Co
Virginia
$253K -$78.8K -21,450 -18%
VFT
23
Vanguard Fiduciary Trust
Pennsylvania
$247K +$354K +96,442 New
GCP
24
GSA Capital Partners
United Kingdom
$241K +$275K +74,738 +385%
GIM
25
Granahan Investment Management
Massachusetts
$227K -$328K -89,326 -50%

TGEN Hedge Fund Activity: Q1 2026 in Review

62 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Tecogen Inc (TGEN) for Q1 2026, worth a combined $19.9M — down 47% from $37.6M a quarter earlier.

Sellers outnumbered buyers: 17 funds closed out of TGEN and 15 opened new positions — a net loss of 2 holders — while 19 trimmed existing stakes and 16 added.

The largest buyer was Meros Investment Management, opening a new position worth an estimated $1.07M. The largest seller was Susquehanna International Group, cutting an estimated $711K.

  • 62 institutional investors held Tecogen Inc (TGEN) as of Q1 2026, down from 65 in Q4 2025.
  • Funds reported $19.9M of Tecogen Inc stock for Q1 2026, down 47% quarter-over-quarter.
  • 15 funds opened new Tecogen Inc positions in Q1 2026 and 17 closed out, a net change of -2 holders.
  • The largest Tecogen Inc buyer in Q1 2026 was Meros Investment Management, an estimated $1.07M added.
  • The largest Tecogen Inc seller in Q1 2026 was Susquehanna International Group, an estimated $711K sold.

Based on aggregated 13F filings for Q1 2026.