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TGEN

Tecogen Inc
TGEN

30 hedge funds and large institutions have $26.4M invested in Tecogen Inc in 2025 Q2 according to their latest regulatory filings, with 29 funds opening new positions, 1 increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

94,234% more capital invested

Capital invested by funds: $28K → $26.4M (+$26.4M)

2,900% more funds holding

Funds holding: 1 → 30 (+29)

15.3% more ownership

Funds ownership: 0% → 15.3% (+15%)

Holders
30
Holders Change
+29
Holders Change %
+2,900%
% of All Funds
0.39%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
29
Increased
1
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$4.29M
2
BA
Bard Associates
Illinois
+$3.24M
3
CHAM
Clear Harbor Asset Management
Connecticut
+$3.17M
4
PCM
Portolan Capital Management
Massachusetts
+$2.42M
5
HIM
Herald Investment Management
United Kingdom
+$1.67M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$5.61M +$4.29M +825,643 New
BA
2
Bard Associates
Illinois
$4.24M +$3.24M +623,582 New
CHAM
3
Clear Harbor Asset Management
Connecticut
$4.15M +$3.17M +610,000 New
PCM
4
Portolan Capital Management
Massachusetts
$3.17M +$2.42M +465,571 New
HIM
5
Herald Investment Management
United Kingdom
$2.19M +$1.67M +321,078 New
BlackRock
6
BlackRock
New York
$1.26M +$960K +184,779 New
IWC
7
Integrated Wealth Concepts
Massachusetts
$1.21M +$921K +177,250 New
Geode Capital Management
8
Geode Capital Management
Massachusetts
$971K +$742K +142,850 New
CCM
9
Corsair Capital Management
New York
$461K +$352K +67,760 New
HighTower Advisors
10
HighTower Advisors
Illinois
$432K +$330K +63,567 New
PI
11
PFG Investments
New York
$425K +$325K +62,523 New
Royal Bank of Canada
12
Royal Bank of Canada
Ontario, Canada
$398K +$304K +58,500 New
GI
13
GAMCO Investors
Connecticut
$286K +$218K +42,000 New
GJL
14
Gendell Jeffrey L
$284K +$217K +41,700 New
State Street
15
State Street
Massachusetts
$282K +$215K +41,400 New
HBCM
16
Heron Bay Capital Management
Michigan
$253K +$193K +37,167 New
GCS
17
Gordian Capital (Singapore)
Singapore
$193K +$78.4K +15,089 New
Northern Trust
18
Northern Trust
Illinois
$175K +$134K +25,737 New
SAM
19
Shikiar Asset Management
New York
$150K +$49.3K +9,500 +76%
Pathstone Holdings
20
Pathstone Holdings
New Jersey
$127K +$97.3K +18,725 New
ASN
21
Advisory Services Network
Georgia
$96.8K +$51.9K +10,000 New
GRP
22
Global Retirement Partners
California
$35K +$26.7K +5,145 New
Lazard Asset Management
23
Lazard Asset Management
New York
$9K +$6.9K +1,329 New
Morgan Stanley
24
Morgan Stanley
New York
$4.08K +$3.12K +600 New
TRCT
25
Tower Research Capital (TRC)
New York
$3.37K +$2.58K +496 New
1
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TGEN Hedge Fund Activity: Q2 2025 in Review

30 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Tecogen Inc (TGEN) for Q2 2025, worth a combined $26.4M — up 94,234% from $28K a quarter earlier.

Buyers outnumbered sellers: 29 funds opened new TGEN positions and 0 closed out — a net gain of 29 holders — while 1 added to existing stakes and 0 trimmed.

The largest buyer was Vanguard Group, opening a new position worth an estimated $4.29M.

  • 30 institutional investors held Tecogen Inc (TGEN) as of Q2 2025, up from 1 in Q1 2025.
  • Funds reported $26.4M of Tecogen Inc stock for Q2 2025, up 94,234% quarter-over-quarter.
  • 29 funds opened new Tecogen Inc positions in Q2 2025 and 0 closed out, a net change of +29 holders.
  • The largest Tecogen Inc buyer in Q2 2025 was Vanguard Group, an estimated $4.29M added.

Based on aggregated 13F filings for Q2 2025.