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.
Q4 2025 vs. Q3 2025
How the institutions holding Tecogen Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 70 | 1 | 65 | −4 |
| Shares | 7.73M | 17.5K | 7.62M | −91.0K (−1.2%) |
| Value | $68.0M | $143.6K | $37.6M | −$30.2M (−44.5%) |
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (15)
Institutions that held Tecogen Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Point72 Asset Management, L.P. | 83,907 | $414.5K | 0.00% |
| LPL Financial LLC | 73,793 | $364.5K | 0.00% |
| Mangrove Partners | 61,207 | $302.4K | 0.02% |
| XTX Topco Ltd | 54,763 | $270.5K | 0.01% |
| IMC-Chicago, LLC | 42,955 | $212.2K | 0.00% |
| Omers Administration Corp | 42,000 | $207.5K | 0.00% |
| Quantbot Technologies LP | 22,820 | $112.7K | 0.00% |
| Gsa Capital Partners LLP | 19,432 | $96.0K | 0.01% |
| Ark Wealth Advisors LLC | 14,881 | $73.5K | 0.08% |
| Commonwealth Equity Services, LLC | 11,774 | $58.2K | 0.00% |
| Lighthouse Investment Partners, LLC | 10,920 | $53.9K | 0.00% |
| Citigroup Inc | 8,535 | $42.2K | 0.00% |
| Federation des caisses Desjardins du Quebec | 562 | $2.78K | 0.00% |
| BNP Paribas Arbitrage, SA | 214 | $1.06K | 0.00% |
| Laurel Wealth Advisors LLC | 45 | $223 | 0.00% |
Sold out (19)
Institutions that held Tecogen Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Integrated Wealth Concepts LLC | 216,465 | $1.91M |
| Apis Capital Advisors, LLC | 153,000 | $1.35M |
| Russell Investments Group, Ltd. | 94,696 | $834.3K |
| EAM Investors, LLC | 74,101 | $652.8K |
| Manatuck Hill Partners, LLC | 50,000 | $440.5K |
| ARS Investment Partners, LLC | 43,173 | $380.4K |
| Heron Bay Capital Management | 37,167 | $327.4K |
| Two Sigma Advisers, LP | 36,200 | $318.9K |
| Evernest Financial Advisors, LLC | 34,150 | $300.9K |
| Virtu Financial LLC | 20,036 | $177.0K |
| Tower Research Capital LLC (TRC) | 15,234 | $134.2K |
| Gordian Capital Singapore Pte Ltd | 14,700 | $129.5K |
| Marex Group plc | 14,700 | $129.5K |
| Rockefeller Capital Management L.P. | 12,500 | $110.1K |
| Calamos Advisors LLC | 12,479 | $109.9K |
| Advisory Services Network, LLC | 5,000 | $44.0K |
| CoreCap Advisors, LLC | 4,944 | $43.6K |
| Altshuler Shaham Ltd | 1,500 | $13.2K |
| ORG Partners LLC | 50 | $440 |
Not filed for Q4 2025 yet (1)
Institutions that held Tecogen Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Wolverine Trading, LLC | 17,495 | $143.6K |