BirchtechBCHT
13F holders, Q2 2025 (June 30)1holders
0new positions
0sold out
$0.68avg. 13F price*
At the end of Q2 2025, 1 institutions reported holding Birchtech Corp. (BCHT) in their 13F filings, unchanged from Q1 2025. 0 opened new positions and 0 sold out. The largest holder was Mink Brook Asset Management LLC ($88K).
- Company
- Birchtech Corp.
- CUSIP
- 59833H101
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q1 2025 → Q2 2025: 19,000 shares sold, net −19,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| Mink Brook Asset Management LLC | 0.08% | Reduce -12.7% | 131,000 | $88K |
"% of holder's portfolio" is BCHT's weight in each manager's 13F, not the share of Birchtech Corp. the manager owns.