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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
151
$1.06M
152
$1.05M
153
$1.05M
154
$1.03M
155
$1.02M
156
$1.01M
157
$1.01M
158
$1.01M
159
$1M
160
$986K
161
$980K
162
$966K
163
$953K
164
$945K
165
$943K
166
$927K
167
$918K
168
$881K
169
$848K
170
$831K
171
$818K
172
$815K
173
$800K
174
$788K
175
$739K