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	0.15%	+0	03/20/2026
Michael Bass	7.49%	2.26M	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	06/30/2026
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
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
Clear Harbor Asset Management, LLC	2.15%	650.00K	0.02%	+0	06/30/2026
Tryfon Natsis	1.52%	460.30K	0.01%	+0	06/30/2025
Herald Investment Management Ltd.	1.39%	420.00K	0.01%	+0	06/30/2026
Gratia Capital, LLC	1.29%	388.66K	--	+388.66K	06/30/2026
UBS Asset Management AG	1.21%	364.63K	0.13%	+43.21K	06/30/2026
Meros Investment Management, LP	1.17%	353.49K	0.20%	+61.78K	06/30/2026
Palisades Investment Partners, LLC	1.07%	323.09K	0.05%	-10.82K	06/30/2026
Susquehanna International Group, LLP	1.05%	315.83K	0.68%	+206.37K	06/30/2026
Morgan Stanley	1.00%	301.70K	0.74%	+224.96K	06/30/2026
Raymond James Financial, Inc.	0.96%	290.26K	0.34%	+104.47K	06/30/2026
Susan HirschIndependent Director	0.88%	265.42K	<0.01%	+5.00K	04/13/2026
BlackRock, Inc.	0.83%	251.46K	0.22%	+66.69K	06/30/2026