13F

Stock

Birchtech Corp.

BCHT · held by 2 managers

Reported value

$345.2K

Holders

2

+0 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$198.3K

Ancora Advisors LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Ancora Advisors LLC52.9K$198.3KHeld
Mink Brook Asset Management LLC46.2K$146.9KHeld

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.