Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

Based on available 13F filings, Optiver Holding B.V. first reported a position in MSTP 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%	$11.20	0
2026-Q1	Increased	523,444	+1553.2%	$756,167	0.0%	$1.71	40
2025-Q4	Increased	31,662	+162.3%	$86,754	0.0%	$2.90	24
2025-Q3	New	12,073	-	$176,658	0.0%	$15.00	31

MSTP4 quarters

MSTP
4 quarters