Granahan Investment Management, LLC Tecogen Inc. Transaction History
Granahan Investment Management, LLC
- $2.11 Billion
- Q3 2025
A detailed history of Granahan Investment Management, LLC transactions in Tecogen Inc. stock. As of the latest transaction made, Granahan Investment Management, LLC holds 112,338 shares of TGEN stock, worth $731,320. This represents 0.05% of its overall portfolio holdings.
Number of Shares
112,338Holding current value
$731,320% of portfolio
0.05%Shares
1 transactions
Others Institutions Holding TGEN
# of Institutions
79Shares Held
7.54MCall Options Held
251KPut Options Held
533K-
Vanguard Group Inc Valley Forge, PA870KShares$5.67 Million0.0% of portfolio
-
Bard Associates Inc Chicago, IL691KShares$4.5 Million1.89% of portfolio
-
Clear Harbor Asset Management, LLC612KShares$3.98 Million0.39% of portfolio
-
Portolan Capital Management, LLC Boston, MA596KShares$3.88 Million0.33% of portfolio
-
Herald Investment Management LTD446KShares$2.9 Million0.68% of portfolio
About TECOGEN INC.
- Ticker TGEN
- Exchange OTC
- Sector Industrials
- Industry Electrical Equipment & Parts
- Shares Outstandng 24,850,300
- Market Cap $162M
- Description
- Tecogen Inc. designs, manufactures, markets, and maintains industrial and commercial cogeneration systems for residential, commercial, recreational, and industrial use in the United States and internationally. It operates through three segments: Products, Services, and Energy Production. The company offers InVerde e+ and TecoPower, a cogeneratio...