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 2026
Institutional positions in Tecogen Inc. as of Jun 30, 2026. 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
- 69
- +7 vs. Q1 2026
- Shares held
- 9.48M
- +1.69M (+21.7%) vs. Q1 2026
- Total value
- $49.5M
- +$29.5M (+148.2%) vs. Q1 2026
- New holders
- 20
- 18 more added
- Sold out
- 13
- 15 more reduced
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Tecogen Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 1 | $5 | 0.00% | +1 | New |
| Hollencrest Capital Management | 15 | $78 | 0.00% | +15 | New |
| FMR LLC | 53 | $279 | 0.00% | +53 | New |
| Bare Financial Services, Inc | 103 | $538 | 0.00% | +103 | New |
| SBI Securities Co., Ltd. | 110 | $574 | 0.00% | −10−8.3% | Reduced |
| Bogart Wealth, LLC | 118 | $616 | 0.00% | +118 | New |
| Fortitude Family Office, LLC | 181 | $945 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 227 | $1.00K | 0.00% | −2,916−92.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 266 | $1.39K | 0.00% | +266 | New |
| Simplex Trading, LLC | 479 | $2.50K | 0.00% | −40,853−98.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 562 | $2.93K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 1,583 | $8.26K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,602 | $8.36K | 0.00% | +1,602 | New |
| Persistent Asset Partners Ltd | 2,271 | $11.9K | 0.00% | +2,271 | New |
| Vanguard Global Advisers, LLC | 5,434 | $28.4K | 0.00% | 00.0% | Unchanged |
| Citizens Financial Group Inc | 10,000 | $52.2K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 11,163 | $58.3K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 11,711 | $61.1K | 0.00% | +11,711 | New |
| Commonwealth Equity Services, LLC | 13,624 | $71.1K | 0.00% | −2,500−15.5% | Reduced |
| Quadrature Capital Ltd | 14,061 | $73.4K | 0.00% | +14,061 | New |
| Belvedere Trading LLC | 15,206 | $79.4K | 0.01% | +15,206 | New |
| D. E. Shaw & Co., Inc. | 15,339 | $80.1K | 0.00% | +15,339 | New |
| Virtu Financial LLC | 16,377 | $85.0K | 0.00% | +16,377 | New |
| Pathstone Holdings, LLC | 18,725 | $97.7K | 0.00% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 19,300 | $100.7K | 0.00% | +19,300 | New |
| Gabelli Funds LLC | 20,000 | $104.4K | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 23,000 | $120.1K | 0.01% | +23,000 | New |
| Centiva Capital, LP | 27,528 | $143.7K | 0.00% | +27,528 | New |
| XTX Topco Ltd | 32,411 | $169.2K | 0.00% | +32,411 | New |
| Bridgeway Capital Management, LLC | 33,048 | $172.5K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 37,569 | $196.1K | 0.00% | −112−0.3% | Reduced |
| HighTower Advisors, LLC | 39,500 | $206.2K | 0.00% | −93,165−70.2% | Reduced |
| Gamco Investors, Inc. Et Al | 40,000 | $208.8K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 49,087 | $256.2K | 0.00% | −68,255−58.2% | Reduced |
| Gendell Jeffrey L | 49,823 | $260.1K | 0.00% | −195,718−79.7% | Reduced |
| Group One Trading, L.P. | 49,872 | $260.3K | 0.01% | −34,050−40.6% | Reduced |
| Shikiar Asset Management Inc | 54,050 | $282.0K | 0.07% | +36,400+206.2% | Added |
| Marshall Wace, LLP | 54,806 | $286.1K | 0.00% | −152,661−73.6% | Reduced |
| Corsair Capital Management, L.P. | 55,017 | $287.2K | 0.04% | 00.0% | Unchanged |
| HRT Financial LP | 59,285 | $309.0K | 0.00% | +44,214+293.4% | Added |
| IMC-Chicago, LLC | 61,800 | $322.6K | 0.00% | +48,150+352.7% | Added |
| PFG Investments, LLC | 62,523 | $326.4K | 0.01% | 00.0% | Unchanged |
| Diametric Capital, LP | 66,326 | $346.2K | 0.04% | +13,195+24.8% | Added |
| State Street Corp | 69,226 | $361.4K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 69,530 | $362.9K | 0.00% | +44,424+176.9% | Added |
| Vanguard Fiduciary Trust Co | 105,956 | $553.1K | 0.00% | +9,514+9.9% | Added |
| Apis Capital Advisors, LLC | 112,000 | $584.6K | 0.06% | +35,000+45.5% | Added |
| Integrated Wealth Concepts LLC | 112,080 | $585.1K | 0.00% | −106,300−48.7% | Reduced |
| Arosa Capital Management LP | 125,000 | $652.5K | 0.57% | −225,000−64.3% | Reduced |
| Gsa Capital Partners LLP | 126,451 | $660.0K | 0.04% | +32,281+34.3% | Added |
| New York State Common Retirement Fund | 137,200 | $716.2K | 0.00% | 00.0% | Unchanged |
| Thompson Davis & Co., Inc. | 144,840 | $755.9K | 0.45% | +45,840+46.3% | Added |
| Geode Capital Management, LLC | 180,870 | $944.8K | 0.00% | −11,132−5.8% | Reduced |
| Heartland Advisors Inc | 182,100 | $950.6K | 0.04% | +182,100 | New |
| Huntleigh Advisors, Inc. | 220,074 | $1.15M | 0.16% | +220,074 | New |
| Citadel Advisors LLC | 242,276 | $1.26M | 0.00% | +94,804+64.3% | Added |
| BlackRock, Inc. | 251,464 | $1.31M | 0.00% | +66,685+36.1% | Added |
| Raymond James Financial Inc | 290,260 | $1.52M | 0.00% | +104,466+56.2% | Added |
| Morgan Stanley | 301,695 | $1.57M | 0.00% | +224,959+293.2% | Added |
| Susquehanna International Group, LLP | 315,831 | $1.65M | 0.00% | +206,374+188.5% | Added |
| Palisades Investment Partners, LLC | 323,090 | $1.69M | 0.48% | −10,817−3.2% | Reduced |
| Meros Investment Management, LP | 353,487 | $1.85M | 0.59% | +61,782+21.2% | Added |
| UBS Group AG | 363,049 | $1.90M | 0.00% | +43,213+13.5% | Added |
| Gratia Capital, LLC | 388,660 | $2.03M | 2.33% | +388,660 | New |
| Herald Investment Management Ltd | 420,000 | $2.19M | 0.30% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 650,000 | $3.39M | 0.21% | 00.0% | Unchanged |
| Bard Associates Inc | 682,221 | $3.56M | 0.79% | −6,088−0.9% | Reduced |
| Vanguard Capital Management LLC | 788,670 | $4.12M | 0.00% | +18,706+2.4% | Added |
| Portolan Capital Management, LLC | 1,551,113 | $8.10M | 0.30% | +1,107,558+249.7% | Added |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −272,300−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −88,496−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −67,418−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −41,251−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −39,973−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −35,500−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −10,189−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −4,419−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,490−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −494−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −64−100.0% | Sold out |