BirchtechBCHT
13F holders, Q4 2025 (December 31)2holders
$3.48avg. 13F price*
At the end of Q4 2025, 2 institutions reported holding Birchtech Corp. (BCHT) in their 13F filings. The largest holders were Ancora Advisors LLC ($198K) and Mink Brook Asset Management LLC ($147K).
- Company
- Birchtech Corp.
- CUSIP
- 59833H200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $345K |
| Exits | 0 | $0 |
Ownership 2 holders
| Ancora Advisors LLC | 0.00% | New | 52,884 | $198K |
| Mink Brook Asset Management LLC | 0.09% | New | 46,200 | $147K |
"% of holder's portfolio" is BCHT's weight in each manager's 13F, not the share of Birchtech Corp. the manager owns.