Question 1

How many shares of CPRX does RHUMBLINE ADVISERS own?

Accepted Answer

As of 2026-Q2, RHUMBLINE ADVISERS holds 272,465 shares of CPRX (CATALYST PHARMACEUTICALS INC).

Question 2

What is RHUMBLINE ADVISERS's CPRX position worth?

Accepted Answer

As of 2026-Q2, RHUMBLINE ADVISERS's CPRX position is worth $8.6M.

Question 3

Is RHUMBLINE ADVISERS buying or selling CPRX?

Accepted Answer

In 2026-Q2, RHUMBLINE ADVISERS decreased their CPRX position (-10.8% change in shares).

Question 4

When did RHUMBLINE ADVISERS first buy CPRX?

Accepted Answer

Based on available 13F filings, RHUMBLINE ADVISERS first reported a position in CPRX in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	272,465	-10.8%	$8.6M	0.0%	$31.43	0
2026-Q1	Decreased	305,520	-2.5%	$7.6M	0.0%	$23.92	0
2025-Q4	Decreased	313,414	-5.1%	$7.3M	0.0%	$23.29	0
2025-Q3	Increased	330,302	+0.4%	$6.5M	0.0%	$19.55	27
2025-Q2	Increased	329,078	+6.0%	$7.1M	0.0%	$21.78	29
2025-Q1	Decreased	310,568	-0.6%	$7.5M	0.0%	$24.69	0
2024-Q4	Increased	312,320	+0.3%	$6.5M	0.0%	$21.07	27
2024-Q3	Decreased	311,368	-3.8%	$6.2M	0.0%	$19.56	0