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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
201
$380K
202
$366K
203
$365K
204
$358K
205
$353K
206
$329K
207
$325K
208
$309K
209
$303K
210
$297K
211
$287K
212
$278K
213
$263K
214
$254K
215
$251K
216
$247K
217
$246K
218
$241K
219
$237K
220
$230K
221
$222K
222
$217K
223
$215K
224
$214K
225
$209K