CenterBook Partners LP

Position in RYZ — Ryerson Holding Corp

CIK 1872738 GREENWICH, CT

Position in RYZ

as of Mar 31, 2026 · filed May 5, 2026 Compact

Position Value

$3,306,111

+$2,531,561 QoQ

Shares Held

147,069

+377.7% QoQ

Ownership

0.283%

of shares outstanding

% of Portfolio

0.18%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

CenterBook Partners LP holds $6,812,248 across 4 Metal Fabrication names. RYZ ranks #1 (48.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RYZ	Ryerson Holding Corp This page	147,069	$3,306,111
2	MEC	Mayville Engineering Company, Inc.	120,303	$2,159,438
3	CMC	COMMERCIAL METALS Co	12,620	$775,246
4	ESAB	ESAB Corp	5,912	$571,453

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.