Optiver Holding B.V.

Position in NWPX — NWPX Infrastructure, Inc.

CIK 1859606 AMSTERDAM, P7

Position in NWPX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$9,187

+$3,188 QoQ

Shares Held

118

+22.9% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

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

Basic Materials · as of Mar 31, 2026

Optiver Holding B.V. holds $4,221,105 across 3 Steel names. NWPX ranks #2 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GGB	Gerdau S.A.	1,166,148	$4,209,794
2	NWPX	NWPX Infrastructure, Inc. This page	118	$9,187
3	MTUS	Metallus Inc.	130	$2,124

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$9,187	118	+22.9%	Shares	Defined	2026-05-15
2025-12-31	$5,999	96	+108.7%	Shares	Defined	2026-02-17
2025-09-30	$2,434	46	—	Shares	Defined	2025-11-10
No filing history on record for this holder in this stock.