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Ultragenyx Pharmaceutical

298 hedge funds and large institutions have $3.22B invested in Ultragenyx Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 126 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: 310298 (-12)

13% less capital invested

Capital invested by funds: $3.68B → $3.22B (-$462M)

23% less first-time investments, than exits

New positions opened: 34 | Existing positions closed: 44

Holders
298
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
201
$333K
202
$324K
203
$305K
204
$301K
205
$289K
206
$281K
207
$277K
208
$273K
209
$266K
210
$261K
211
$259K
212
$251K
213
$250K
214
$243K
215
$230K
216
$223K
217
$219K
218
$215K
219
$210K
220
$209K
221
$208K
222
$198K
223
$134K
224
$125K
225
$117K