Optiver Holding B.V.

Position in WS — Worthington Steel, Inc.

CIK 1859606 AMSTERDAM, P7

Position in WS

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$5,104

+$1,518 QoQ

Shares Held

152

+28.8% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#198

of 235 holders

Holding Since

Sep 2025

2 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Basic Materials · as of Jun 30, 2026

Optiver Holding B.V. holds $767,964 across 6 Steel names. WS ranks #4 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GGB	Gerdau S.A.	155,971	$630,122
2	STLD	Steel Dynamics Inc	434	$99,585
3	NWPX	NWPX Infrastructure, Inc.	164	$24,590
4	WS	Worthington Steel, Inc. This page	152	$5,104
5	CLF	Cleveland-Cliffs Inc.	502	$4,713
6	MTUS	Metallus Inc.	206	$3,850

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,104	152	+28.8%	Shares	Defined	2026-08-12
2025-09-30	$3,586	118	—	Shares	Defined	2025-11-10
No filing history on record for this holder in this stock.