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Ultragenyx Pharmaceutical

309 hedge funds and large institutions have $3.42B invested in Ultragenyx Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 55 funds opening new positions, 117 increasing their positions, 108 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

3.53% more ownership

Funds ownership: 96.05%99.58% (+3.5%)

8% more repeat investments, than reductions

Existing positions increased: 117 | Existing positions reduced: 108

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

Holders
309
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$149M
Puts
$87.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
176
$630K
177
$614K
178
$607K
179
$588K
180
$553K
181
$536K
182
$535K
183
$532K
184
$509K
185
$507K
186
$483K
187
$476K
188
$461K
189
$458K
190
$454K
191
$452K
192
$436K
193
$436K
194
$430K
195
$430K
196
$418K
197
$412K
198
$411K
199
$392K
200
$385K