Question 1

How many shares of ACLX does Optiver Holding B.V. own?

Accepted Answer

Optiver Holding B.V. previously held 0 shares of ACLX (ARCELLX INC) before exiting the position in 2026-Q2.

Question 2

What is Optiver Holding B.V.'s ACLX position worth?

Accepted Answer

Optiver Holding B.V.'s ACLX position was last reported at $0 in 2026-Q2 before the exit.

Question 3

Is Optiver Holding B.V. buying or selling ACLX?

Accepted Answer

In 2026-Q2, Optiver Holding B.V. exited their ACLX position entirely (-100.0% change in shares).

Question 4

When did Optiver Holding B.V. first buy ACLX?

Accepted Answer

Based on available 13F filings, Optiver Holding B.V. first reported a position in ACLX in 2025-Q1. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$115.07	0
2026-Q1	Increased	226	+413.6%	$25,949	0.0%	$114.05	21
2025-Q4	Decreased	44	-83.0%	$2,869	0.0%	$63.60	0
2025-Q3	Increased	258	+98.5%	$21,182	0.0%	$79.11	21
2025-Q2	Increased	130	+225.0%	$8,560	0.0%	$65.35	18
2025-Q1	New	40	-	$2,624	0.0%	$67.96	19

ACLX6 quarters

ACLX
6 quarters