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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
76
$8.6M
77
$8.41M
78
$7.96M
79
$7.86M
80
$7.85M
81
$7.82M
82
$7.65M
83
$7.52M
84
$6.48M
85
$6.4M
86
$6.14M
87
$6M
88
$5.83M
89
$5.55M
90
$5.42M
91
$5.19M
92
$5.17M
93
$5.09M
94
$5.01M
95
$4.86M
96
$4.72M
97
$4.45M
98
$4.4M
99
$4.36M
100
$4.1M