TBN TAMBORAN RES CORP
FollowCOMMON STOCK (common), issuer CIK 1997652
16 managers (16 13F filers) reported a position in TBN shares at 2025-03-31, 2,854,750 shares in all. 1 filer opened a position and 4 filers sold out during the quarter.
- Managers
- 16
- 13F filers
- 16
- New
- 1
- Added
- 5
- Reduced
- 1
- Sold out
- 4
- Shares held by filers
- 2,854,750
Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.
13D and 13G filers
Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.
- Sheffield Bryan (group Formentera Investments LLC)
3,646,756 shares, 10.4% in a 13D/A as of 2026-09-25,0001193125-26-408033
Accepted , ingested
Insider trades
No Form 4 transaction on this security in the data.
13F holders, Q1 2025
Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.
Events
Sheffield Bryan and 5 other reporting persons reported 3,646,756 TBN shares, 10.4% of the class, as of 2026-09-25, in a 13D/A filed 2026-09-29. 0001193125-26-408033
Accepted , ingested