TWO SIGMA INVESTMENTS, LP

Position in MSB — Mesabi Trust

CIK 1179392 NEW YORK, NY

Position in MSB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$367,356

-$86,756 QoQ

Shares Held

14,520

+23.2% QoQ

Ownership

0.111%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#30

of 62 holders

Holding Since

Jun 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $487,651,947 across 13 Steel names. MSB ranks #11 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CLF	Cleveland-Cliffs Inc.	15,200,394	$142,731,699
2	RS	Reliance, Inc.	335,144	$125,209,798
3	NUE	Nucor Corp	550,567	$122,638,799
4	GGB	Gerdau S.A.	15,383,237	$62,148,277
5	NWPX	NWPX Infrastructure, Inc.	109,006	$16,344,359
6	MTUS	Metallus Inc.	536,457	$10,026,381
7	ASTL	Algoma Steel Group Inc.	1,041,811	$4,219,334
8	STLD	Steel Dynamics Inc	6,355	$1,458,218

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$367,356	14,520	+23.2%	Shares	Sole	2026-08-14
2025-12-31	$454,112	11,789	-28.2%	Shares	Sole	2026-02-17
2025-09-30	$480,291	16,409	-43.1%	Shares	Sole	2025-11-14
2025-06-30	$690,623	28,824	-21.2%	Shares	Sole	2025-08-14
2025-03-31	$995,220	36,589	+35.6%	Shares	Sole	2025-05-15
2024-12-31	$758,492	26,983	-40.7%	Shares	Sole	2025-02-14
2024-09-30	$1,031,299	45,532	-17.3%	Shares	Sole	2024-11-14
2024-06-30	$948,735	55,063	-13.3%	Shares	Sole	2024-08-14
2024-03-31	$1,123,596	63,480	+55.8%	Shares	Sole	2024-05-15
2023-12-31	$833,927	40,739	+116.5%	Shares	Sole	2024-02-14
2022-12-31	$339,136	18,820	+25.2%	Shares	Sole	2023-02-14
2022-09-30	$323,316	15,031	+18.2%	Shares	Sole	2022-11-14
2021-09-30	$377,732	12,714	+9.9%	Shares	Sole	2021-11-15
2021-06-30	$409,436	11,566	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.