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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HEARTLAND ADVISORS INC | History | New | 1,000,000 | 1,900 | 0.1% | — | 1 | +1,000,000 | New | Q1 2026 | May 06, 2026 |
| CHAPIN DAVIS, INC. | History | New | 686,693 | 1,304 | 0.29% | — | 2 | +686,693 | New | Q1 2026 | Apr 21, 2026 |
| Ancora Advisors LLC | History | Added to | 428,686 | 814 | 0.02% | 0.0% | 3 | +375,802 | 710.62% | Q1 2026 | May 15, 2026 |
| Aristides Capital LLC | History | New | 425,000 | 807 | 0.17% | — | 4 | +425,000 | New | Q1 2026 | May 14, 2026 |
| WHITE PINE CAPITAL LLC | History | New | 289,173 | 549 | 0.15% | — | 5 | +289,173 | New | Q1 2026 | May 11, 2026 |
| Sigma Planning Corp | History | New | 52,412 | 99 | 0.0% | — | 6 | +52,412 | New | Q1 2026 | May 04, 2026 |
| ARS Investment Partners, LLC | History | New | 51,100 | 97 | 0.01% | — | 7 | +51,100 | New | Q1 2026 | Apr 16, 2026 |
| CITADEL ADVISORS LLC | History | New | 50,994 | 96 | 0.0% | — | 8 | +50,994 | New | Q1 2026 | May 15, 2026 |
| Focus Partners Wealth | History | New | 42,700 | 81 | 0.0% | — | 9 | +42,700 | New | Q1 2026 | May 14, 2026 |
| Diametric Capital, LP | History | New | 41,685 | 77 | 0.02% | — | 10 | +41,685 | New | Q1 2026 | May 15, 2026 |
| HRT FINANCIAL LP | History | New | 33,855 | 64 | 0.0% | — | 11 | +33,855 | New | Q1 2026 | May 14, 2026 |
| Mink Brook Asset Management LLC | History | Reduced | 30,000 | 57 | 0.03% | 0.09% | 12 | -16,200 | -35.06% | Q1 2026 | Apr 01, 2026 |
| GTS SECURITIES LLC | History | New | 25,233 | 47 | 0.0% | — | 13 | +25,233 | New | Q1 2026 | May 14, 2026 |
| Crewe Advisors LLC | History | New | 16,600 | 31 | 0.0% | — | 14 | +16,600 | New | Q1 2026 | May 07, 2026 |
| WATERS PARKERSON & CO., LLC | History | New | 13,000 | 24 | 0.0% | — | 15 | +13,000 | New | Q1 2026 | Apr 29, 2026 |
| CIBC WORLD MARKET INC. | History | New | 10,607 | 20 | 0.0% | — | 16 | +10,607 | New | Q1 2026 | May 14, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 10,377 | 19 | 0.0% | — | 17 | +10,377 | New | Q1 2026 | May 15, 2026 |
| Smartleaf Asset Management LLC | History | New | 9,091 | 17 | 0.0% | — | 18 | +9,091 | New | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | New | 7,306 | 13 | 0.0% | — | 19 | +7,306 | New | Q1 2026 | May 05, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | New | 4,799 | 10 | 0.0% | — | 20 | +4,799 | New | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | New | 2,500 | 4 | 0.0% | — | 21 | +2,500 | New | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 9 | 0 | — | — | — | +9 | New | Q1 2026 | May 11, 2026 |
| HUNTINGTON NATIONAL BANK | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | May 15, 2026 |