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Catalyst Pharmaceutical

363 hedge funds and large institutions have $2.2B invested in Catalyst Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 49 funds opening new positions, 158 increasing their positions, 125 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

8% less capital invested

Capital invested by funds: $2.39B → $2.2B (-$190M)

67% less funds holding in top 10

Funds holding in top 10: 62 (-4)

94% less call options, than puts

Call options by funds: $403K | Put options by funds: $6.2M

Holders
363
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$403K
Puts
$6.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
76
$3.72M
77
$3.55M
78
$3.51M
79
$3.27M
80
$3.25M
81
$3.25M
82
$3.19M
83
$3.16M
84
$3.13M
85
$3.12M
86
$3.06M
87
$3.04M
88
$2.77M
89
$2.77M
90
$2.77M
91
$2.76M
92
$2.73M
93
$2.67M
94
$2.62M
95
$2.57M
96
$2.51M
97
$2.47M
98
$2.44M
99
$2.38M
100
$2.26M