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

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.