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.
13F holders, Q2 2025
Institutional positions in Tecogen Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 30
- +29 vs. Q1 2025
- Shares held
- 3.87M
- +3.85M (+30,821.9%) vs. Q1 2025
- Total value
- $26.4M
- +$26.4M (+94,233.6%) vs. Q1 2025
- New holders
- 29
- 1 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TGEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 69 | $49.5M |
| Q1 2026 | 62 | $19.9M |
| Q4 2025 | 65 | $37.6M |
| Q3 2025 | 70 | $68.0M |
| Q2 2025 | 30 | $26.4M |
| Q1 2025 | 1 | $28.0K |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 1 | $260.1K |
| Q3 2023 | 1 | $272.9K |
| Q2 2023 | 1 | $320.9K |
| Q1 2023 | 1 | $381.3K |
| Q4 2022 | 1 | $401.0K |
| Q3 2022 | 1 | $304.0K |
| Q2 2022 | 1 | $362.0K |
| Q1 2022 | 1 | $529.0K |
| Q4 2021 | 2 | $397.0K |
| Q3 2021 | 1 | $581.0K |
| Q2 2021 | 1 | $600.0K |
| Q1 2021 | 1 | $545.0K |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Tecogen Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 825,643 | $5.61M | 0.00% | +825,643 | New |
| Bard Associates Inc | 623,582 | $4.24M | 1.36% | +623,582 | New |
| Clear Harbor Asset Management, LLC | 610,000 | $4.15M | 0.31% | +610,000 | New |
| Portolan Capital Management, LLC | 465,571 | $3.17M | 0.20% | +465,571 | New |
| Herald Investment Management Ltd | 321,078 | $2.19M | 0.33% | +321,078 | New |
| BlackRock, Inc. | 184,779 | $1.26M | 0.00% | +184,779 | New |
| Integrated Wealth Concepts LLC | 177,250 | $1.21M | 0.01% | +177,250 | New |
| Geode Capital Management, LLC | 142,850 | $971.4K | 0.00% | +142,850 | New |
| Corsair Capital Management, L.P. | 67,760 | $460.8K | 0.09% | +67,760 | New |
| HighTower Advisors, LLC | 63,567 | $432.3K | 0.00% | +63,567 | New |
| PFG Investments, LLC | 62,523 | $425.2K | 0.02% | +62,523 | New |
| Royal Bank of Canada | 58,500 | $398.0K | 0.00% | +58,500 | New |
| Gamco Investors, Inc. Et Al | 42,000 | $285.6K | 0.00% | +42,000 | New |
| Gendell Jeffrey L | 41,700 | $283.6K | 0.01% | +41,700 | New |
| State Street Corp | 41,400 | $281.5K | 0.00% | +41,400 | New |
| Heron Bay Capital Management | 37,167 | $252.7K | 0.05% | +37,167 | New |
| Gordian Capital Singapore Pte Ltd | 15,089 | $193.4K | 0.29% | +15,089 | New |
| Northern Trust Corp | 25,737 | $175.0K | 0.00% | +25,737 | New |
| Shikiar Asset Management Inc | 22,000 | $150.0K | 0.04% | +9,500+76.0% | Added |
| Pathstone Holdings, LLC | 18,725 | $127.3K | 0.00% | +18,725 | New |
| Advisory Services Network, LLC | 10,000 | $96.8K | 0.00% | +10,000 | New |
| Global Retirement Partners, LLC | 5,145 | $35.0K | 0.00% | +5,145 | New |
| Lazard Asset Management LLC | 1,329 | $9.00K | 0.00% | +1,329 | New |
| Morgan Stanley | 600 | $4.08K | 0.00% | +600 | New |
| Tower Research Capital LLC (TRC) | 496 | $3.37K | 0.00% | +496 | New |
| JPMorgan Chase & Co | 450 | $3.06K | 0.00% | +450 | New |
| SBI Securities Co., Ltd. | 117 | $796 | 0.00% | +117 | New |
| Bank of America Corp | 116 | $789 | 0.00% | +116 | New |
| MAI Capital Management | 64 | $436 | 0.00% | +64 | New |
| UBS Group AG | 3 | $22 | 0.00% | +3 | New |