Tecogen Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| 05/15/2026 | 769.96 K | $1.97 M | 100.00% | 2.83% | |
| BARD ASSOCIATES INC | 05/08/2026 | 688.31 K | $1.76 M | -0.12% | 2.53% |
| CLEAR HARBOR ASSET MANAGEMENT, LLC | 05/05/2026 | 650.00 K | $1.66 M | 6.56% | 2.39% |
| PORTOLAN CAPITAL MANAGEMENT, LLC | 05/15/2026 | 443.56 K | $1.14 M | -0.51% | 1.63% |
| HERALD INVESTMENT MANAGEMENT LTD | 05/13/2026 | 420.00 K | $1.08 M | 0.00% | 1.54% |
| AROSA CAPITAL MANAGEMENT LP | 05/15/2026 | 350.00 K | $896.00 K | 0.00% | 1.29% |
| PALISADES INVESTMENT PARTNERS, LLC | 04/30/2026 | 333.91 K | $854.80 K | -14.43% | 1.23% |
| UBS GROUP AG | 05/05/2026 | 319.84 K | $818.78 K | 204.72% | 1.17% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 294.40 K | $753.66 K | 168.12% | 1.08% |
| MEROS INVESTMENT MANAGEMENT, LP | 05/14/2026 | 291.71 K | $746.77 K | 100.00% | 1.07% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2026 | 272.30 K | $697.09 K | 401.47% | 1.00% |
| GENDELL JEFFREY L | 05/15/2026 | 245.54 K | $628.59 K | -16.92% | 0.90% |
| CITADEL ADVISORS LLC | 05/15/2026 | 232.40 K | $594.94 K | 182.38% | 0.85% |
| INTEGRATED WEALTH CONCEPTS LLC | 05/15/2026 | 218.38 K | $559.05 K | 100.00% | 0.80% |
| MARSHALL WACE, LLP | 05/15/2026 | 207.47 K | $531.11 K | -27.54% | 0.76% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 192.00 K | $491.83 K | 7.92% | 0.71% |
| RAYMOND JAMES FINANCIAL INC | 05/14/2026 | 185.79 K | $475.63 K | 86.25% | 0.68% |
| BLACKROCK, INC. | 05/13/2026 | 184.78 K | $473.03 K | -3.44% | 0.68% |
| CITADEL ADVISORS LLC | 05/15/2026 | 147.47 K | $377.53 K | 201.46% | 0.54% |
| NEW YORK STATE COMMON RETIREMENT FUND | 05/06/2026 | 137.20 K | $351.23 K | 0.00% | 0.50% |
| HIGHTOWER ADVISORS, LLC | 05/05/2026 | 132.67 K | $339.62 K | 0.00% | 0.49% |
| JANE STREET GROUP, LLC | 05/12/2026 | 117.34 K | $300.40 K | -43.48% | 0.43% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 109.46 K | $280.21 K | -63.87% | 0.40% |
| THOMPSON DAVIS & CO., INC. | 04/16/2026 | 99.00 K | $253.44 K | -17.81% | 0.36% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 96.44 K | $246.89 K | 100.00% | 0.35% |
| GSA CAPITAL PARTNERS LLP | 05/08/2026 | 94.17 K | $241.00 K | 384.61% | 0.35% |
| GRANAHAN INVESTMENT MANAGEMENT, LLC | 05/15/2026 | 88.50 K | $226.55 K | -50.23% | 0.33% |
| GROUP ONE TRADING, L.P. | 05/13/2026 | 83.92 K | $214.84 K | 48.33% | 0.31% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 77.30 K | $197.89 K | -38.01% | 0.28% |
| APIS CAPITAL ADVISORS, LLC | 05/15/2026 | 77.00 K | $197.12 K | 100.00% | 0.28% |
| MORGAN STANLEY | 05/15/2026 | 76.74 K | $196.44 K | 9.66% | 0.28% |
| STATE STREET CORP | 05/15/2026 | 69.23 K | $177.22 K | 0.00% | 0.25% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 67.42 K | $172.59 K | -69.16% | 0.25% |
| PFG INVESTMENTS, LLC | 04/27/2026 | 62.52 K | $160.06 K | 0.00% | 0.23% |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 05/15/2026 | 55.02 K | $140.84 K | 0.00% | 0.20% |
| JANE STREET GROUP, LLC | 05/12/2026 | 54.70 K | $140.03 K | 111.20% | 0.20% |
| DIAMETRIC CAPITAL, LP | 05/15/2026 | 53.13 K | $136.02 K | -0.18% | 0.20% |
| CITADEL ADVISORS LLC | 05/15/2026 | 50.20 K | $128.51 K | 122.12% | 0.18% |
| SIMPLEX TRADING, LLC | 05/14/2026 | 41.33 K | $105.81 K | -11.17% | 0.15% |
| LPL FINANCIAL LLC | 05/06/2026 | 41.25 K | $105.60 K | -44.10% | 0.15% |
| GAMCO INVESTORS, INC. ET AL | 05/14/2026 | 40.00 K | $102.40 K | 0.00% | 0.15% |
| HARBOR CAPITAL ADVISORS, INC. | 04/28/2026 | 39.97 K | $102.00 K | -1.17% | 0.15% |
| NORTHERN TRUST CORP | 05/14/2026 | 37.68 K | $96.46 K | 0.00% | 0.14% |
| JUMP FINANCIAL, LLC | 05/14/2026 | 35.50 K | $90.88 K | 100.00% | 0.13% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 05/15/2026 | 33.05 K | $84.60 K | 29.60% | 0.12% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 25.11 K | $64.27 K | -62.93% | 0.09% |
| GABELLI FUNDS LLC | 05/14/2026 | 20.00 K | $51.20 K | 100.00% | 0.07% |
| JANE STREET GROUP, LLC | 05/12/2026 | 19.10 K | $48.90 K | -77.40% | 0.07% |
| PATHSTONE HOLDINGS, LLC | 05/11/2026 | 18.73 K | $47.94 K | 0.00% | 0.07% |
| SHIKIAR ASSET MANAGEMENT INC | 04/23/2026 | 17.65 K | $45.00 K | 32.71% | 0.06% |
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Tecogen Inc institutional Ownership - FAQ's
During the previous two years, 86 institutional investors and hedge funds held shares of Tecogen Inc. The most heavily invested institutionals were:
BARD ASSOCIATES INC: 688,309
Clear Harbor Asset Management, LLC: 650,000
Portolan Capital Management, LLC: 443,555
Herald Investment Management Ltd: 420,000
Arosa Capital Management LP: 350,000
Palisades Investment Partners, LLC: 333,907
28.60% of Tecogen Inc stock is owned by institutional investors.
Institutional investors have bought a total of 7.94 M shares in the last 24 months. This purchase volume represents approximately $23.10 M in transactions.