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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
126
$2.21M
127
$2.13M
128
$2.11M
129
$1.86M
130
$1.74M
131
$1.74M
132
$1.72M
133
$1.7M
134
$1.69M
135
$1.67M
136
$1.63M
137
$1.57M
138
$1.47M
139
$1.38M
140
$1.37M
141
$1.36M
142
$1.34M
143
$1.31M
144
$1.29M
145
$1.25M
146
$1.23M
147
$1.19M
148
$1.18M
149
$1.16M
150
$1.15M