Skip to main content

Tecogen Inc.

TGEN
Exchange
NYSE
Industry
Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
SEC CIK
0001537435

No open-market purchases or sales by Tecogen Inc. insiders were filed in the last 90 days; 69 institutions reported holding it in 13F filings for Q2 2026, worth $49.5M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Tecogen Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of TGEN: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders6269+7
Shares7.79M9.48M+1.69M (+21.7%)
Value$19.9M$49.5M+$29.5M (+148.2%)

New holders (20)

Institutions that held Tecogen Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to TGEN in Q2 2026
InstitutionSharesValue% of portfolio
Gratia Capital, LLC388,660$2.03M2.33%
Huntleigh Advisors, Inc.220,074$1.15M0.16%
Heartland Advisors Inc182,100$950.6K0.04%
XTX Topco Ltd32,411$169.2K0.00%
Centiva Capital, LP27,528$143.7K0.00%
Crewe Advisors LLC23,000$120.1K0.01%
Jefferies Financial Group Inc.19,300$100.7K0.00%
Virtu Financial LLC16,377$85.0K0.00%
D. E. Shaw & Co., Inc.15,339$80.1K0.00%
Belvedere Trading LLC15,206$79.4K0.01%
Quadrature Capital Ltd14,061$73.4K0.00%
Wealthspire Advisors, LLC11,711$61.1K0.00%
Persistent Asset Partners Ltd2,271$11.9K0.00%
Citigroup Inc1,602$8.36K0.00%
Northwestern Mutual Wealth Management Co266$1.39K0.00%
Bogart Wealth, LLC118$6160.00%
Bare Financial Services, Inc103$5380.00%
FMR LLC53$2790.00%
Hollencrest Capital Management15$780.00%
Caitong International Asset Management Co., Ltd1$50.00%

Sold out (13)

Institutions that held Tecogen Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of TGEN in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Renaissance Technologies LLC272,300$697.1K
Granahan Investment Management Inc88,496$226.6K
Two Sigma Investments, LP67,418$172.6K
LPL Financial LLC41,251$105.6K
Harbor Capital Advisors, Inc.39,973$102.0K
Jump Financial, LLC35,500$90.9K
Tower Research Capital LLC (TRC)10,189$26.1K
GWM Advisors LLC4,419$11.3K
EverSource Wealth Advisors, LLC2,500$6.40K
Advisory Services Network, LLC2,490$6.37K
National Bank of Canada500$1.28K
State of Wyoming494$1.26K
MAI Capital Management64$164