Birchtech Corp. - BCHT
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mink Brook Asset Management LLC | History | Reduced | 30,000 | 57 | 0.03% | 0.09% | 1 | -16,200 | -35.06% | Q1 2026 | Apr 01, 2026 |
| Ancora Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -52,884 | -100.0% | Q4 2025 | Feb 17, 2026 |