MSB

MESABI TRUST

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary

MESABI TRUST (MSB) has no tracked common-stock 13F position; 1 tracked manager disclosed PUT or CALL positions with a combined reported value of ~$888.0K; the largest disclosed positions are from Ken Griffin. 5 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.

Attention · LowThis quarter · Quiet

Option-position filers1

Congress trades5

Price$20.13vs quarter-end-20.43%

Sectors0

This quarter's moves

New0

Added0

Trimmed / sold0

Largest option position

Ken Griffin

No tracked common-stock position is currently disclosed for this security.

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—

Value $888.0K— of portfolio35,1002026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Ken GriffinCALL	2026 Q2	$888.0K	35,100	—	—

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.