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Ultragenyx Pharmaceutical

299 hedge funds and large institutions have $3.25B invested in Ultragenyx Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 127 increasing their positions, 104 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more call options, than puts

Call options by funds: $ | Put options by funds: $

4% less funds holding

Funds holding: 312299 (-13)

12% less capital invested

Capital invested by funds: $3.68B → $3.25B (-$427M)

25% less first-time investments, than exits

New positions opened: 33 | Existing positions closed: 44

Holders
299
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$43.9M
Puts
$42.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
176
$643K
177
$637K
178
$625K
179
$612K
180
$612K
181
$599K
182
$598K
183
$590K
184
$579K
185
$568K
186
$517K
187
$502K
188
$499K
189
$483K
190
$482K
191
$465K
192
$464K
193
$455K
194
$447K
195
$435K
196
$404K
197
$398K
198
$395K
199
$378K
200
$347K