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TECOGEN (TGEN)
NYSE
$3.14+$0.09 (+2.98%)
Price as of Sep 11, 2026 8:00 PM EDT- $92.1MMarket Cap
- -55.47%1-Year Change
- Electrical Equipment & PartsIndustry
TECOGEN (TGEN)
$3.14+$0.09 (+2.98%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
PORTOLAN CAPITAL MANAGEMENT, LLC | 5.18% | 1.6M | +1.1M (+71.40%) | Jun 30, 2026 |
VANGUARD GROUP INC | 2.91% | 871,840 | +1,400 (+0.16%) | Dec 31, 2025 |
VANGUARD CAPITAL MANAGEMENT LLC | 2.64% | 788,670 | +18,706 (+2.37%) | Jun 30, 2026 |
N/A | 2.57% | 769,964 | +769,964 (+100.00%) | Mar 31, 2026 |
BARD ASSOCIATES INC | 2.28% | 682,221 | -6,088 (-0.89%) | Jun 30, 2026 |
CLEAR HARBOR ASSET MANAGEMENT, LLC | 2.17% | 650,000 | 0 (0.00%) | Jun 30, 2026 |
PEAK6 LLC | 1.58% | 471,900 | +471,900 (+100.00%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 2.57% | 768,952 | +18,706 (+2.43%) | Jun 30, 2026 |
Fidelity Rutland Square Trust II | 2.50% | 748,390 | +430,447 (+57.52%) | May 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.48% | 142,447 | +597 (+0.42%) | May 31, 2026 |
CALAMOS INVESTMENT TRUST/IL | 0.39% | 118,129 | 0 (0.00%) | Apr 30, 2026 |
RBB FUND, INC. | 0.30% | 88,648 | 0 (0.00%) | May 31, 2026 |
iSHARES TRUST | 0.21% | 62,527 | +62,527 (+100.00%) | Jun 30, 2026 |
GOLDMAN SACHS TRUST | 0.16% | 46,949 | +32,747 (+69.75%) | Jun 30, 2026 |
Current Ownership Distribution
- Institutions40.4M (69.71%)
- Mutual Funds9.5M (16.48%)
- Insiders8.0M (13.82%)
- Other0 (0.00%)
Insider Transactions
- 13.82% (8.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
PANORA ROBERT A COO and President | Award | Jun 26, 2026 | $134,631.97 | 26,041 | $5.17 | 26,041 |
Lafaille Stephen VP of Business Development | Award | Jun 26, 2026 | $0.00 | 29,013 | $0.00 | 29,013 |
Rangesh Abinand Chief Executive Officer | Award | Jun 26, 2026 | $134,631.97 | 26,041 | $5.17 | 26,041 |
Galiteva Angelina | Award | Jun 26, 2026 | $129,250.00 | 25,000 | $5.17 | 25,000 |
PANORA ROBERT A COO and President | Award | Jun 26, 2026 | $0.00 | 9,671 | $0.00 | 9,671 |
Rangesh Abinand Chief Executive Officer | Award | Jun 26, 2026 | $0.00 | 174,081 | $0.00 | 174,081 |