Millennium Management’s Catalyst Pharmaceutical CPRX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$495K Buy
+20,000
New +$476K ﹤0.01% 4776
2025
Q4
Sell
-40,000
Closed -$788K 6074
2025
Q3
$788K Buy
+40,000
New +$823K ﹤0.01% 4802
2014
Q4
Sell
-315,100
Closed -$1.05M 3960
2014
Q3
$1.05M Buy
+315,100
New +$823K ﹤0.01% 2278

Other funds holding CPRX

Millennium Management's CPRX Position: Q1 2026 in Review

Millennium Management reduced its Catalyst Pharmaceutical (CPRX) stake by 23% in Q1 2026, selling an estimated $5.4M and leaving 766,991 shares worth $19M. The position accounts for 0.01% of the portfolio, ranked #1600.

Millennium Management first reported a position in CPRX in Q3 2014 and has held it in 42 quarters since. The position peaked at $43M in Q4 2022. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • Millennium Management held 766,991 shares of Catalyst Pharmaceutical worth $19M as of Q1 2026.
  • Millennium Management sold 226,656 Catalyst Pharmaceutical shares in Q1 2026, an estimated $5.4M.
  • Catalyst Pharmaceutical made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1600 holding.
  • Millennium Management first reported a position in Catalyst Pharmaceutical in Q3 2014 and has held it in 42 quarters since.
  • Millennium Management's Catalyst Pharmaceutical position peaked at $43M in Q4 2022.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.