Tecogen Inc. (TGEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

28,817,040Shares Outstanding
7,619,582Shares held by institutions
$25,830,384Value of institutional holdings
26.44%Institutional ownership %
1.78%Shares Changed QoQ
66No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Tecogen Inc. (NYSE:TGEN) has 66 institutional investors that have filed 13F reports for the period ending December 2025.

61 Institutional Holders

7,619,582 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 769,964 769,964 0.00% $1,971,108.00
BARD ASSOCIATES INC 31 Mar, 2026 688,309 -798 -0.12% $1,762,072.00
Clear Harbor Asset Management, LLC 31 Mar, 2026 650,000 40,000 6.56% $1,664,000.00
Portolan Capital Management, LLC 31 Mar, 2026 443,555 -2,255 -0.51% $1,135,501.00
HERALD INVESTMENT MANAGEMENT Ltd 31 Mar, 2026 420,000 0 0.00% $1,079,400.00
Arosa Capital Management LP 31 Mar, 2026 350,000 0 0.00% $896,000.00
Palisades Investment Partners, LLC 31 Mar, 2026 333,907 -56,305 -14.43% $854,802.00
UBS Group AG 31 Mar, 2026 319,836 214,877 204.72% $818,781.00
Meros Investment Management, LP 31 Mar, 2026 291,705 291,705 0.00% $746,765.00
RENAISSANCE TECHNOLOGIES LLC 31 Mar, 2026 272,300 218,000 401.47% $697,088.00
GENDELL JEFFREY L 31 Mar, 2026 245,541 -50,000 -16.92% $628,585.00
Integrated Wealth Concepts LLC 31 Mar, 2026 218,380 218,380 0.00% $559,053.00
MARSHALL WACE, LLP 31 Mar, 2026 207,467 -78,858 -27.54% $531,114.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 192,002 14,088 7.92% $491,827.00
Raymond James Financial Inc 31 Mar, 2026 185,794 86,040 86.25% $475,633.00
BlackRock, Inc. 31 Mar, 2026 184,779 -6,581 -3.44% $473,034.00
CITADEL ADVISORS LLC 31 Mar, 2026 147,472 98,552 201.46% $377,528.00
NEW YORK STATE COMMON RETIREMENT FUND 31 Mar, 2026 137,200 0 0.00% $351,232.00
HighTower Advisors, LLC 31 Mar, 2026 132,665 0 0.00% $339,623.00
JANE STREET GROUP, LLC 31 Mar, 2026 117,342 -90,265 -43.48% $300,396.00