Optiver Holding B.V.

Position in ASPI — ASP Isotopes Inc.

CIK 1859606 AMSTERDAM, P7

Position in ASPI

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

Position Value

$2,525

-$613 QoQ

Shares Held

406

-42.8% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#171

of 184 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Basic Materials · as of Jun 30, 2026

Optiver Holding B.V. holds $32,188 across 6 Chemicals names. ASPI ranks #3 (7.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASIX	AdvanSix Inc.	831	$16,520
2	HUN	Huntsman CORP	615	$6,531
3	ASPI	ASP Isotopes Inc. This page	406	$2,525
4	TROX	Tronox Holdings plc	371	$2,337
5	LXU	Lsb Industries, Inc.	216	$2,334
6	RYAM	Rayonier Advanced Materials Inc.	247	$1,941

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,525	406	-42.8%	Shares	Defined	2026-08-12
2026-03-31	$3,138	710	+73.6%	Shares	Defined	2026-05-15
2025-12-31	$2,188	409	-30.4%	Shares	Defined	2026-02-17
2025-09-30	$5,656	588	—	Shares	Defined	2025-11-10
No filing history on record for this holder in this stock.