Filing Flows › Birchtech (BCHT) › Who owns the stock
Who owns Birchtech (BCHT) stock
25 funds reported Birchtech (BCHT) shares in their latest 13F filings, worth $8.9M in all. The largest holder is Heartland Advisors ($2.0M). Last quarter 14 funds added to their stakes and 6 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Heartland Advisors | 1,000,000 | $2.0M | unchanged | 2026-06-30 |
| Vanguard Capital Management LLC | 721,182 | $1.5M | new | 2026-06-30 |
| Ancora Advisors LLC | 700,244 | $1.4M | increase | 2026-06-30 |
| Chapin Davis | 676,693 | $947K | decrease | 2026-09-30 |
| Aristides Capital LLC | 425,000 | $871K | unchanged | 2026-06-30 |
| White Pine Capital LLC | 330,154 | $677K | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 139,192 | $285K | new | 2026-06-30 |
| Vanguard Fiduciary Trust | 103,667 | $213K | new | 2026-06-30 |
| BlackRock | 71,250 | $146K | new | 2026-06-30 |
| ARS Investment Partners, LLC | 64,200 | $132K | increase | 2026-06-30 |
| Sigma Planning | 52,412 | $107K | unchanged | 2026-06-30 |
| Diametric Capital, LP | 52,954 | $105K | increase | 2026-06-30 |
| Northern Trust | 47,555 | $97K | new | 2026-06-30 |
| Citadel Advisors LLC | 41,385 | $85K | decrease | 2026-06-30 |
| Crewe Advisors LLC | 35,600 | $73K | increase | 2026-06-30 |
Birchtech's latest quarter
Birchtech, Q2 2026: revenue $3.8M (+16% year over year), operating margin -42.8%, net loss $3.0M, operating cash flow −$2.8M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most BCHT stock?
By the latest 13F filings: Heartland Advisors ($2.0M); Vanguard Capital Management LLC ($1.5M); Ancora Advisors LLC ($1.4M); Chapin Davis ($947K); Aristides Capital LLC ($871K).
What is the short interest in BCHT?
60,785 shares were sold short at the 2026-10-15 settlement, 79.53% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.