Question 1

How many shares of KPTI does SIMPLEX TRADING, LLC own?

Accepted Answer

As of 2026-Q2, SIMPLEX TRADING, LLC holds 24,086 shares of KPTI (KARYOPHARM THERAPEUTICS INC).

Question 2

What is SIMPLEX TRADING, LLC's KPTI position worth?

Accepted Answer

As of 2026-Q2, SIMPLEX TRADING, LLC's KPTI position is worth $235,320.

Question 3

Is SIMPLEX TRADING, LLC buying or selling KPTI?

Accepted Answer

In 2026-Q2, SIMPLEX TRADING, LLC opened a new position in KPTI.

Question 4

When did SIMPLEX TRADING, LLC first buy KPTI?

Accepted Answer

Based on available 13F filings, SIMPLEX TRADING, LLC first reported a position in KPTI in 2025-Q2. They have held the position across 26 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	New	24,086	—	$235,320	0.0%	$9.77	32
2026-Q1	Exited	0	-100.0%	$0	0.0%	$9.13	0
2025-Q4	Increased	32,868	+460.7%	$241,908	0.0%	$7.31	37
2025-Q3	Decreased	5,862	-28.8%	$38,000	0.0%	$6.35	0
2025-Q2	New	8,233	—	$35,000	0.0%	$4.39	30