CenterBook Partners LP

Position in RYZ — Ryerson Holding Corp

CIK 1872738 GREENWICH, CT

Position in RYZ

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$691,442

-$2,614,669 QoQ

Shares Held

28,096

-80.9% QoQ

Ownership

0.054%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#94

of 201 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

CenterBook Partners LP holds $4,511,866 across 4 Metal Fabrication names. RYZ ranks #3 (15.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CMC	COMMERCIAL METALS Co	34,744	$2,180,186
2	MEC	Mayville Engineering Company, Inc.	30,992	$1,160,960
3	RYZ	Ryerson Holding Corp This page	28,096	$691,442
4	PRLB	Proto Labs Inc	5,880	$479,278

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$691,442	28,096	-80.9%	Shares	Sole	2026-08-11
2026-03-31	$3,306,111	147,069	+377.7%	Shares	Sole	2026-05-05
2025-12-31	$774,550	30,785	-80.0%	Shares	Sole	2026-02-11
2025-09-30	$3,521,628	154,052	—	Shares	Sole	2025-11-07
No filing history on record for this holder in this stock.