A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Tecogen Inc. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 36,200 shares of TGEN stock, worth $235,662. This represents 0.0% of its overall portfolio holdings.

Number of Shares
36,200
Holding current value
$235,662
% of portfolio
0.0%

Shares

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

Nov 14, 2025

BUY
$5.78 - $9.68 $209,236 - $350,416
36,200 New
36,200 $323,000

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
Track David A. Siegel's Portfolio

Track David A. Siegel Portfolio

Follow David A. Siegel (Two Sigma Advisers, LP) and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Two Sigma Advisers, LP, based on Form 13F filings with the SEC.

News

Stay updated on Two Sigma Advisers, LP and David A. Siegel with notifications on news.