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Disclosery

TGEN TECOGEN INC NEW

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COM NEW (common), issuer CIK 1537435

65 managers (65 13F filers) reported a position in TGEN shares at 2025-12-31, 7,618,800 shares in all. 14 filers opened a position and 19 filers sold out during the quarter.

Managers
65
13F filers
65
New
14
Added
23
Reduced
16
Sold out
19
Shares held by filers
7,618,800

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC871,840$4.31M<0.01%+1,40013F-HRTimelineGroup
BARD ASSOCIATES INC689,107$3.4M0.87%-1,50413F-HRTimeline
Clear Harbor Asset Management, LLC610,000$3.01M0.21%-1,60013F-HRTimeline
Portolan Capital Management, LLCin group Portolan Capital Management, …445,810$2.2M0.12%-149,99613F-HRTimelineGroup
HERALD INVESTMENT MANAGEMENT Ltd420,000$2.08M0.27%-26,07813F-HRTimeline
Palisades Investment Partners, LLC390,212$1.93M0.73%+13,61813F-HRTimeline
Arosa Capital Management LP350,000$1.73M1.11%+62,50013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…302,911$1.5M<0.01%+50,87613F-HRTimelineGroup
GENDELL JEFFREY Lin group GENDELL JEFFREY L295,541$1.46M0.03%+51,91913F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP286,325$1.41M<0.01%+237,23613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding218,628$1.08M-64,277Timeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC207,607$1.03M<0.01%+114,49713F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.191,360$945K<0.01%+6,58113F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC177,914$879K<0.01%+11,35713F-HRTimelineGroup
Granahan Investment Management, LLC177,822$878K0.04%+65,48413F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND137,200$678K<0.01%013F-HRTimeline
HighTower Advisors, LLC132,665$655K<0.01%+69,59813F-HRTimeline
THOMPSON DAVIS & CO., INC.120,450$595K0.36%+2,49713F-HRTimeline
UBS Group AGin group UBS Group AG104,959$518K<0.01%+95,37113F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC99,754$493K<0.01%-58,13413F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA85,545$423K<0.01%-36,84413F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.83,907$415K<0.01%new13F-HRTimelineGroup
LPL Financial LLC73,793$365K<0.01%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY69,978$346K<0.01%+47,59313F-HR/ATimelineGroup
STATE STREET CORPin group STATE STREET CORP69,226$342K<0.01%-50013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC67,724$335K<0.01%-65,03813F-HR/ATimelineGroup
PFG Investments, LLC62,523$309K0.01%013F-HRTimeline
MANGROVE PARTNERS IM, LLC61,207$302K0.02%new13F-HRTimeline
GROUP ONE TRADING LLC56,578$279K0.01%+22,62613F-HRTimeline
CORSAIR CAPITAL MANAGEMENT, L.P.55,017$272K0.04%+1713F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd54,763$271K0.01%new13F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC54,300$268K<0.01%-47,90013F-HRTimeline
Diametric Capital, LP53,227$263K0.07%+22,48613F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC48,920$242K<0.01%-164,78813F-HRTimelineGroup
SIMPLEX TRADING, LLC46,531$230K0.01%+14,96913F-HRTimeline
IMC-Chicago, LLC42,955$212K<0.01%new13F-HRTimeline
OMERS ADMINISTRATION Corp42,000$207K<0.01%new13F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.40,447$200K0.02%+12,96613F-HRTimeline
GAMCO INVESTORS, INC. ET ALin group GAMCO Investors (Gabelli)40,000$198K<0.01%013F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP37,681$186K<0.01%+11,94413F-HRTimelineGroup
J.W. COLE ADVISORS, INC.26,300$130K<0.01%-5,10013F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC25,500$126K<0.01%013F-HRTimeline
Quantbot Technologies LP22,820$113K<0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC22,507$111K<0.01%-25,73813F-HRTimelineGroup
Hidden Cove Wealth Management, LLC21,087$104K0.07%+7,04513F-HRTimeline
GSA CAPITAL PARTNERS LLP19,432$96K0.01%new13F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC18,725$92.5K<0.01%013F-HRTimelineGroup
Ark Wealth Advisors LLC14,881$73.5K0.08%13F-HRTimeline
SHIKIAR ASSET MANAGEMENT INC13,300$66K0.02%-5,20013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co12,000$59.3K<0.01%013F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC11,774$58.2K<0.01%new13F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…10,920$53.9K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/10,784$53.3K<0.01%+5,94813F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC8,535$42.2K<0.01%new13F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,000$4.94K<0.01%-1,00013F-HRTimelineGroup
Federation des caisses Desjardins du Qu…562$2.78K<0.01%new13F-HRTimeline
State of Wyoming538$2.66K<0.01%+44813F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.500$2.47K<0.01%013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO450$2.22K<0.01%013F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/230$1.14K<0.01%013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS214$1.06K<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.117$578<0.01%013F-HRTimeline
NewEdge Advisors, LLC88$435<0.01%-10,21213F-HRTimeline
MAI Capital Management64$317<0.01%013F-HRTimeline
Laurel Wealth Advisors LLC45$223<0.01%new13F-HRTimeline