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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in CPRX — Catalyst Pharmaceuticals, Inc.

CIK 1164508 BOSTON, MA

Position in CPRX

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$23,653,599
-$14,092,035 QoQ
Shares Held
955,315
-40.9% QoQ
Ownership
0.781%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in CPRX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $1,767,735,657 across 48 Biotechnology names. CPRX ranks #15 (1.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CPRX

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17 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $23,653,599 955,315
2025-12-31 $37,745,634 1,617,208
2025-09-30 $25,704,047 1,304,774
2025-06-30 $26,552,619 1,223,623
2025-03-31 $25,099,453 1,035,029
2024-12-31 $14,570,432 698,152
2024-09-30 $5,996,722 301,646
2024-03-31 $205,960 12,921
2023-09-30 $1,691,531 144,699
2023-06-30 $832,675 61,955
2023-03-31 $2,781,908 167,787
2022-06-30 $137,031 19,548
2022-03-31 $2,612,601 315,151
2021-12-31 $1,191,851 176,049
2021-09-30 $163,240 30,800
2020-12-31 $986,275 295,292
2020-06-30 $292,908 63,400