Significant Ownership of John A. Fichthorn

Manager identity
Location
New York, NY
Large-stake snapshot
Schedule 13D/G summary
Recent SEC Schedule 13D/G filings for John A. Fichthorn, focused on large-stake beneficial ownership disclosures and amendments.

Follow Filing Activity

Follow John A. Fichthorn and return when a new Schedule 13D/G filing changes the record on this page.

This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean. If you create an account from here, we will bring you back after verification.

Create free account and return here Already have an account? Sign in and return here

Significant Ownership of John A. Fichthorn

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
QMCO QUANTUM CORP /DE/ Common Stock 41% $94,489,473 +$15,120,670 9,691,228 +19% JOHN FICHTHORN 08 Jan 2026

Schedules 13D/G Reported by John A. Fichthorn:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .