Tecogen (TGEN.US) Shareholders - Institutional Holders, Major Shareholders & Insiders | Longbridge

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Shareholder Type

Individuals & Insiders33.10%
Public and others28.93%
Institutions26.83%
Private companies6.00%
Hedge funds5.14%

Major Shareholders

Major Shareholders Latest
Shareholder
John HatsopoulosIndependent Lead Director	15.70%	4.74M	0.11%	+18.45K	03/20/2026
John HatsopoulosIndependent Lead Director	15.70%	4.74M	0.15%	+0	03/20/2026
Michael Bass	7.49%	2.26M	0.08%	+0	04/25/2025
Michael Bass	7.49%	2.26M	0.07%	+0	04/25/2025
Estate Of George N. Hatsopoulos	6.01%	1.81M	0.07%	+0	04/25/2025
Estate Of George N. Hatsopoulos	6.00%	1.81M	0.06%	+0	04/25/2025
Portolan Capital Management, LLC	5.14%	1.55M	3.66%	+1.11M	06/03/2026
Portolan Capital Management, LLC	5.14%	1.55M	3.66%	+1.11M	06/30/2026
Earl LewisIndependent Director	3.35%	1.01M	<0.01%	+10.00K	03/27/2026
Earl LewisIndependent Director	3.35%	1.01M	0.03%	+0	03/27/2026
Daphne Hatsopoulos	3.09%	931.92K	0.03%	+0	04/25/2025
Daphne Hatsopoulos	3.09%	931.92K	0.03%	+0	04/25/2025
Vanguard Capital Management, LLC	2.96%	894.63K	0.07%	+28.22K	06/30/2026
Vanguard Capital Management, LLC	2.96%	894.63K	0.07%	+28.22K	06/30/2026
Bard Associates Inc.	2.26%	682.22K	0.04%	-6.09K	06/30/2026
Bard Associates Inc.	2.26%	682.22K	0.04%	-6.09K	06/30/2026
Clear Harbor Asset Management, LLC	2.15%	650.00K	0.02%	+0	06/30/2026
Clear Harbor Asset Management, LLC	2.15%	650.00K	0.02%	+0	06/30/2026
Tryfon Natsis	1.53%	460.30K	0.02%	+0	06/30/2025
Tryfon Natsis	1.52%	460.30K	0.01%	+0	06/30/2025