Birchtech Corp.
BCHT- Exchange
- NYSE
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0000728385
No open-market purchases or sales by Birchtech Corp. insiders were filed in the last 90 days; 27 institutions reported holding it in 13F filings for Q2 2026, worth $9.33M in total; no superinvestor holds it.
Q4 2024 vs. Q3 2024
How the institutions holding Birchtech Corp. changed between Q3 2024 and Q4 2024.
All holders in Q4 2024All holders in Q3 2024
| Measure | Q3 2024 | Q4 2024 | Change |
|---|---|---|---|
| Holders | 0 | 1 | +1 |
| Shares | 0 | 150.0K | +150.0K |
| Value | $0 | $76.5K | +$76.5K |
New holders (1)
Institutions that held Birchtech Corp. at the end of Q4 2024 but not at the end of Q3 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Mink Brook Asset Management LLC | 150,000 | $76.5K | 0.07% |
Sold out (0)
Institutions that held Birchtech Corp. at the end of Q3 2024 and filed for Q4 2024 without it.
None.