BirchtechBCHT
13F holders, Q1 2026 (March 31)23holders +21
21new positions
0sold out
1famous investor
$1.90avg. 13F price*
At the end of Q1 2026, 23 institutions reported holding Birchtech Corp. (BCHT) in their 13F filings, up 21 from Q4 2025. 21 opened new positions and 0 sold out. The largest holders were Heartland Advisors Inc. ($1.9M), Chapin Davis, Inc. ($1.3M) and Ancora Advisors LLC ($815K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Birchtech Corp.
- CUSIP
- 59833H200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $5.4M |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 3,211,649 shares bought and 16,200 shares sold, net +3,195,449 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Heartland Advisors Inc. | 0.10% | New | 1,000,000 | $1.9M |
| Chapin Davis, Inc. | 0.29% | New | 686,693 | $1.3M |
| Ancora Advisors LLC | 0.02% | Add +710.6% | 428,686 | $815K |
| Aristides Capital LLC | 0.27% | New | 425,000 | $808K |
| White Pine Capital LLC | 0.18% | New | 351,885 | $669K |
| Sigma Planning Corp | 0.00% | New | 52,412 | $100K |
| ARS Investment Partners, LLC | 0.01% | New | 51,100 | $97K |
| Citadel Advisors | 0.00% | New | 50,994 | $97K |
| Focus Partners Wealth | 0.00% | New | 42,700 | $81K |
| Diametric Capital, LP | 0.02% | New | 41,685 | $78K |
| HRT Financial LP | 0.00% | New | 33,855 | $64K |
| Mink Brook Asset Management LLC | 0.03% | Reduce -35.1% | 30,000 | $57K |
| GTS Securities LLC | 0.00% | New | 25,233 | $48K |
| Crewe Advisors LLC | 0.00% | New | 16,600 | $32K |
| Waters Parkerson & Co., LLC | 0.00% | New | 13,000 | $25K |
| Cibc World Market Inc. | 0.00% | New | 10,607 | $20K |
| Prelude Capital Management, LLC | 0.00% | New | 10,377 | $20K |
| Smartleaf Asset Management LLC | 0.00% | New | 9,091 | $17K |
| UBS Group AG | 0.00% | New | 7,306 | $14K |
| National Bank of Canada | 0.00% | New | 4,799 | $10K |
| Morgan Stanley | 0.00% | New | 2,500 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 9 | $17 |
| Huntington National Bank | 0.00% | New | 1 | $2 |
"% of holder's portfolio" is BCHT's weight in each manager's 13F, not the share of Birchtech Corp. the manager owns.