Janus Henderson Group
CPRX

Janus Henderson Group’s Catalyst Pharmaceutical CPRX Stock Holding History

Janus Henderson Group’s Portfolio CPRX Stock Details CPRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$49.5M Buy
1,998,875
+279,108
+16% +$6.65M 0.02% 415
2025
Q4 		$40.1M Buy
1,719,767
+1,147,565
+201% +$25.6M 0.02% 454
2025
Q3 		$11.3M Sell
572,202
-179,360
-24% -$3.69M 0.01% 724
2025
Q2 		$16.3M Buy
751,562
+431,733
+135% +$10.2M 0.01% 609
2025
Q1 		$7.9M Sell
319,829
-156,194
-33% -$3.52M ﹤0.01% 756
2024
Q4 		$9.94M Buy
476,023
+115,832
+32% +$2.49M 0.01% 733
2024
Q3 		$7.16M Sell
360,191
-1,815,450
-83% -$33.7M ﹤0.01% 769
2024
Q2 		$33.7M Sell
2,175,641
-550,747
-20% -$8.57M 0.02% 467
2024
Q1 		$43.4M Buy
2,726,388
+1,587,794
+139% +$23.9M 0.02% 418
2023
Q4 		$19.1M Buy
1,138,594
+730,695
+179% +$9.99M 0.01% 561
2023
Q3 		$4.77M Buy
407,899
+101,392
+33% +$1.36M ﹤0.01% 832
2023
Q2 		$4.12M Buy
306,507
+263,116
+606% +$3.79M ﹤0.01% 919
2023
Q1 		$720K Buy
43,391
+23,375
+117% +$386K ﹤0.01% 1810
2022
Q4 		$372K Sell
20,016
-20,018
-50% -$308K ﹤0.01% 1866
2022
Q3 		$514K Sell
40,034
-23,430
-37% -$278K ﹤0.01% 1932
2022
Q2 		$445K Sell
63,464
-60,356
-49% -$443K ﹤0.01% 1836
2022
Q1 		$1.03M Sell
123,820
-33,727
-21% -$238K ﹤0.01% 1489
2021
Q4 		$1.07M Buy
157,547
+14,259
+10% +$93.8K ﹤0.01% 1484
2021
Q3 		$759K Sell
143,288
-26,775
-16% -$146K ﹤0.01% 1439
2021
Q2 		$978K Buy
+170,063
New +$878K ﹤0.01% 1330

Other funds holding CPRX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Janus Henderson Group's CPRX Position: Q1 2026 in Review

Janus Henderson Group increased its Catalyst Pharmaceutical (CPRX) stake by 16% in Q1 2026, buying an estimated $6.65M and bringing the position to 1,998,875 shares worth $49.5M. The position accounts for 0.02% of the portfolio, ranked #415.

Janus Henderson Group first reported a position in CPRX in Q2 2021 and has held it in 20 quarters since. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • Janus Henderson Group held 1,998,875 shares of Catalyst Pharmaceutical worth $49.5M as of Q1 2026.
  • Janus Henderson Group bought 279,108 Catalyst Pharmaceutical shares in Q1 2026, an estimated $6.65M.
  • Catalyst Pharmaceutical made up 0.02% of Janus Henderson Group's portfolio in Q1 2026, its #415 holding.
  • Janus Henderson Group first reported a position in Catalyst Pharmaceutical in Q2 2021 and has held it in 20 quarters since.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.