A detailed history of Vanguard Group Inc transactions in Tecogen Inc. stock. As of the latest transaction made, Vanguard Group Inc holds 870,440 shares of TGEN stock, worth $5.67 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
870,440
Previous 825,643 5.43%
Holding current value
$5.67 Million
Previous $5.61 Million 38.6%
% of portfolio
0.0%
Previous 0.0%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 07, 2025

BUY
$5.78 - $9.68 $258,926 - $433,634
44,797 Added 5.43%
870,440 $7.78 Million
Q2 2025

Aug 11, 2025

BUY
$1.83 - $7.49 $1.51 Million - $6.18 Million
825,643 New
825,643 $5.61 Million

Others Institutions Holding TGEN

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...
More about TGEN
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