First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MSB holding history

Mesabi Trust in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MSB overview All 13F holders of MSB Full Q2 2026 holdings

Shares (Q2 2026): 396,373
Value: $10.0M
% of portfolio: <0.1%
Quarters held: 3; Since Q3 2021

Holdings of MSB by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	396,373	$10.0M	<0.1%	+86,313+27.8%	Added	Holders
Q1 2026	310,060	$9.77M	<0.1%	+310,060	New	Holders
Q4 2021	0	$0	0.0%	−150−100.0%	Sold out	Holders
Q3 2021	150	$4.00K	<0.1%	+150	New	Holders