Question 1

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

Accepted Answer

Optiver Holding B.V. previously held 0 shares of COIA (PROSHARES TR) before exiting the position in 2026-Q2.

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

Based on available 13F filings, Optiver Holding B.V. first reported a position in COIA in 2025-Q3. They have held the position across 4 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Exited	0	-100.0%	$0	0.0%	$6.50	0
2026-Q1	Increased	68,575	+283.4%	$372,362	0.0%	$6.39	38
2025-Q4	Increased	17,885	+4.2%	$207,870	0.0%	$12.25	24
2025-Q3	New	17,159	-	$519,547	0.0%	$29.34	33

COIA4 quarters

COIA
4 quarters