Tecogen Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11/07/2025 | 870.44 K | $7.67 M | 5.43% | 3.45% |
| BARD ASSOCIATES INC | 11/14/2025 | 690.61 K | $6.08 M | 10.75% | 2.74% |
| CLEAR HARBOR ASSET MANAGEMENT, LLC | 11/14/2025 | 611.60 K | $5.39 M | 0.26% | 2.42% |
| PORTOLAN CAPITAL MANAGEMENT, LLC | 11/13/2025 | 595.81 K | $5.25 M | 27.97% | 2.36% |
| HERALD INVESTMENT MANAGEMENT LTD | 11/07/2025 | 446.08 K | $3.90 M | 100.00% | 1.77% |
| PALISADES INVESTMENT PARTNERS, LLC | 10/30/2025 | 376.59 K | $3.32 M | 100.00% | 1.49% |
| AROSA CAPITAL MANAGEMENT LP | 11/14/2025 | 287.50 K | $2.53 M | 100.00% | 1.14% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 257.30 K | $2.27 M | 100.00% | 1.02% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 252.04 K | $2.22 M | 100.00% | 1.00% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 246.71 K | $2.17 M | 100.00% | 0.98% |
| GENDELL JEFFREY L | 11/14/2025 | 243.62 K | $2.15 M | 484.23% | 0.96% |
| INTEGRATED WEALTH CONCEPTS LLC | 11/14/2025 | 216.47 K | $1.91 M | 22.12% | 0.86% |
| CITADEL ADVISORS LLC | 11/14/2025 | 213.71 K | $1.88 M | 100.00% | 0.85% |
| BLACKROCK, INC. | 11/12/2025 | 184.78 K | $1.63 M | 0.00% | 0.73% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 166.56 K | $1.47 M | 16.60% | 0.66% |
| RAYMOND JAMES FINANCIAL INC | 11/14/2025 | 157.89 K | $1.39 M | 100.00% | 0.63% |
| APIS CAPITAL ADVISORS, LLC | 11/14/2025 | 153.00 K | $1.35 M | 100.00% | 0.61% |
| NEW YORK STATE COMMON RETIREMENT FUND | 11/03/2025 | 137.20 K | $1.21 M | 100.00% | 0.54% |
| CITADEL ADVISORS LLC | 11/14/2025 | 134.30 K | $1.18 M | 100.00% | 0.53% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 132.76 K | $1.17 M | 100.00% | 0.53% |
| ROYAL BANK OF CANADA | 11/14/2025 | 122.39 K | $1.08 M | 109.21% | 0.48% |
| THOMPSON DAVIS & CO., INC. | 11/05/2025 | 117.95 K | $1.04 M | 100.00% | 0.47% |
| GRANAHAN INVESTMENT MANAGEMENT, LLC | 11/14/2025 | 112.34 K | $989.70 K | 100.00% | 0.44% |
| CITADEL ADVISORS LLC | 11/14/2025 | 110.30 K | $971.74 K | 100.00% | 0.44% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 102.20 K | $900.38 K | 100.00% | 0.40% |
| RUSSELL INVESTMENTS GROUP, LTD. | 11/13/2025 | 94.70 K | $834.27 K | 100.00% | 0.38% |
| JANE STREET GROUP, LLC | 11/14/2025 | 93.11 K | $820.30 K | 100.00% | 0.37% |
| JANE STREET GROUP, LLC | 11/14/2025 | 78.70 K | $693.35 K | 100.00% | 0.31% |
| EAM INVESTORS, LLC | 11/14/2025 | 74.10 K | $652.83 K | 100.00% | 0.29% |
| STATE STREET CORP | 11/14/2025 | 69.73 K | $614.29 K | 68.42% | 0.28% |
| WOLVERINE TRADING, LLC | 11/14/2025 | 63.10 K | $518.05 K | 100.00% | 0.25% |
| HIGHTOWER ADVISORS, LLC | 11/07/2025 | 63.07 K | $555.62 K | -0.79% | 0.25% |
| PFG INVESTMENTS, LLC | 10/31/2025 | 62.52 K | $550.83 K | 0.00% | 0.25% |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 11/14/2025 | 55.00 K | $484.55 K | -18.83% | 0.22% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 50.40 K | $444.02 K | 100.00% | 0.20% |
| MANATUCK HILL PARTNERS, LLC | 11/14/2025 | 50.00 K | $440.50 K | 100.00% | 0.20% |
| JANE STREET GROUP, LLC | 11/14/2025 | 50.00 K | $440.50 K | 100.00% | 0.20% |
| MARSHALL WACE, LLP | 11/13/2025 | 49.09 K | $432.47 K | 100.00% | 0.19% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 48.25 K | $425.04 K | 100.00% | 0.19% |
| ARS INVESTMENT PARTNERS, LLC | 10/15/2025 | 43.17 K | $380.35 K | 100.00% | 0.17% |
| GAMCO INVESTORS, INC. ET AL | 11/12/2025 | 40.00 K | $352.40 K | -4.76% | 0.16% |
| HERON BAY CAPITAL MANAGEMENT | 11/12/2025 | 37.17 K | $327.44 K | 0.00% | 0.15% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 36.20 K | $318.92 K | 100.00% | 0.14% |
| EVERNEST FINANCIAL ADVISORS, LLC | 11/12/2025 | 34.15 K | $300.86 K | 100.00% | 0.14% |
| GROUP ONE TRADING, L.P. | 11/12/2025 | 33.95 K | $299.12 K | 100.00% | 0.13% |
| SIMPLEX TRADING, LLC | 11/12/2025 | 31.56 K | $278.00 K | 100.00% | 0.13% |
| J.W. COLE ADVISORS, INC. | 11/05/2025 | 31.40 K | $276.63 K | 100.00% | 0.12% |
| DIAMETRIC CAPITAL, LP | 11/13/2025 | 30.74 K | $270.83 K | 100.00% | 0.12% |
| HARBOR CAPITAL ADVISORS, INC. | 10/15/2025 | 27.48 K | $242.00 K | 100.00% | 0.11% |
| NORTHERN TRUST CORP | 11/14/2025 | 25.74 K | $226.74 K | 0.00% | 0.10% |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
Tecogen Inc. institutional Ownership - FAQ's
During the previous two years, 76 institutional investors and hedge funds held shares of Tecogen Inc.. The most heavily invested institutionals were:
VANGUARD GROUP INC: 870,440
BARD ASSOCIATES INC: 690,611
Clear Harbor Asset Management, LLC: 611,600
Portolan Capital Management, LLC: 595,806
Herald Investment Management Ltd: 446,078
Palisades Investment Partners, LLC: 376,594
30.60% of Tecogen Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 7.76 M shares in the last 24 months. This purchase volume represents approximately $57.17 M in transactions.