13F

Stock

Tecogen Inc New

Ticker not mapped · held by 65 managers

Reported value

$37.3M

Holders

65

+0 new · −0 exited

Holders’ est. mark

−$318.2K

Price effect on 3 books still in the name

Largest holder

$4.31M

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard871.8K$4.31MHeld
BARD ASSOCIATES INC689.1K$3.4MHeld
Clear Harbor Asset Management, LLC610K$3.01MHeld
Portolan Capital Management, LLC445.8K$2.2MHeld
HERALD INVESTMENT MANAGEMENT Ltd420K$2.08MHeld
Palisades Investment Partners, LLC390.2K$1.93MHeld
Arosa Capital Management LP350K$1.73MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP302.9K$1.5MHeld
GENDELL JEFFREY L295.5K$1.46MHeld
MARSHALL WACE, LLP286.3K$1.41MHeld
TWO SIGMA INVESTMENTS, LP218.6K$1.08MHeld
JANE STREET GROUP, LLC207.6K$1.03MHeld
BlackRock, Inc.191.4K$945.3KHeld
GEODE CAPITAL MANAGEMENT, LLC177.9K$879.5KHeld
Granahan Investment Management, LLC177.8K$878.4KHeld
NEW YORK STATE COMMON RETIREMENT FUND137.2K$677.8KHeld
HighTower Advisors, LLC132.7K$655.4KHeld
THOMPSON DAVIS & CO., INC.120.5K$595KHeld
UBS Group AG105K$518.5KHeld
RAYMOND JAMES FINANCIAL INC99.8K$492.8KHeld
ROYAL BANK OF CANADA85.5K$423KHeld
Point72 Asset Management, L.P.83.9K$414.5KHeld
LPL Financial LLC73.8K$364.5KHeld
MORGAN STANLEY70K$345.7K−$86.6KAdded$148.5K
State Street69.2K$342KHeld
GOLDMAN SACHS GROUP INC67.7K$334.6KHeld
PFG Investments, LLC62.5K$308.9KHeld
MANGROVE PARTNERS IM, LLC61.2K$302.4KHeld
GROUP ONE TRADING LLC56.6K$279.5KHeld
CORSAIR CAPITAL MANAGEMENT, L.P.55K$271.8K−$212.8KCut−$212.8K
XTX Topco Ltd54.8K$270.5KHeld
Renaissance Technologies54.3K$268.2KHeld
Diametric Capital, LP53.2K$262.9KHeld
Citadel48.9K$241.7KHeld
SIMPLEX TRADING, LLC46.5K$229.9KHeld
IMC-Chicago, LLC43K$212.2KHeld
OMERS ADMINISTRATION Corp42K$207.5KHeld
GAMCO INVESTORS, INC. ET AL40K$197.6KHeld
NORTHERN TRUST CORP37.7K$186.1KHeld
J.W. COLE ADVISORS, INC.26.3K$129.9KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC25.5K$126KHeld
Quantbot Technologies LP22.8K$112.7KHeld
MILLENNIUM MANAGEMENT LLC22.5K$111.2KHeld
Hidden Cove Wealth Management, LLC21.1K$104.2KHeld
Pathstone Holdings, LLC18.7K$92.5KHeld
Ark Wealth Advisors LLC14.9K$73.5KHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC12K$59.3KHeld
COMMONWEALTH EQUITY SERVICES, LLC11.8K$58.2KHeld
Lighthouse Investment Partners, LLC10.9K$53.9KHeld
BANK OF AMERICA CORP /DE/10.8K$53.3K−$18.7KAdded$10.7K
CITIGROUP INC8.54K$42.2KHeld
EverSource Wealth Advisors, LLC1K$4.94KHeld
Federation des caisses Desjardins du Quebec562$2.78KHeld
State of Wyoming538$2.66KHeld
OSAIC HOLDINGS, INC.500$2.47KHeld
JPMORGAN CHASE & CO450$2.22KHeld
NATIONAL BANK OF CANADA /FI/230$1.14KHeld
BNP PARIBAS FINANCIAL MARKETS214$1.06KHeld
SBI Securities Co., Ltd.117$578Held
NewEdge Advisors, LLC88$435Held
MAI Capital Management64$317Held
Laurel Wealth Advisors LLC45$223Held
HARBOR CAPITAL ADVISORS, INC.40.4K$200Held
GSA CAPITAL PARTNERS LLP19.4K$96Held
SHIKIAR ASSET MANAGEMENT INC13.3K$66Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.