Who owns TECOGEN INC. (TGEN)? Elite investor 13F holders
2 tracked elite investors reported holding TECOGEN INC as of 2026-06-30, including GAMCO, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | TECOGEN INC NEW | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| GAMCO | TECOGEN INC NEW | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 208800.00 USD | 40000.000000 | Shares | hold | Original filing |
| D.E. Shaw | TECOGEN INC NEW | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 80070.00 USD | 15339.000000 | Shares | buy | Original filing |
Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.
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