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Ultragenyx Pharmaceutical
RARE

Overview Fund Activity

297 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, 125 increasing their positions, 104 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
297
Holders Change
-13
Holders Change %
-4.19%
% of All Funds
4.03%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.1%
New
34
Increased
125
Reduced
104
Closed
44
Calls
$43.9M
Puts
$42.2M
Net Calls
+$1.65M
Net Calls Change
+$8.06M

Top Buyers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$35M
2
SCM
Suvretta Capital Management
New York
+$31.6M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$25.6M
4
DTC
Deep Track Capital
Connecticut
+$25.2M
5
PCH
Polar Capital Holdings
United Kingdom
+$23.6M

Top Sellers

1
VPC
Vestal Point Capital
New York
-$36.2M
2
Marshall Wace
Marshall Wace
United Kingdom
-$26M
3
First Trust Advisors
First Trust Advisors
Illinois
-$19.1M
4
Invesco
Invesco
Georgia
-$17.6M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$13.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
PA
176
Profund Advisors
Maryland
$637K -$36.6K -1,011 -5%
Wells Fargo
177
Wells Fargo
California
$625K -$474K -13,102 -43%
SAM
178
Simplify Asset Management
Nevada
$612K +$3.26K +90 +0.5%
GGHC
179
Gilder Gagnon Howe & Co
New York
$612K -$1.45K -40 -0.2%
Prudential Financial
180
Prudential Financial
New Jersey
$599K -$11.5M -259,400 -95%
First Trust Advisors
181
First Trust Advisors
Illinois
$598K -$19.1M -527,696 -97%
KK
182
KLP Kapitalforvaltning
Norway
$590K – – –
BC
183
Birchview Capital
Vermont
$579K – – –
EAM
184
Erste Asset Management
Austria
$568K – – –
DnB Asset Management
185
DnB Asset Management
Norway
$517K +$77.3K +2,136 +18%
WC
186
Woodstock Corp
Massachusetts
$502K – – –
BCM
187
Bayesian Capital Management
New York
$499K +$200K +5,515 +67%
HS
188
HighVista Strategies
Massachusetts
$483K +$483K +13,328 New
GLA
189
Great Lakes Advisors
Illinois
$482K -$6.44M -177,818 -93%
IIM
190
INTECH Investment Management
Florida
$465K +$465K +12,839 New
I
191
InceptionR
California
$464K +$166K +4,576 +56%
X
192
Xponance
Pennsylvania
$455K +$12.6K +347 +3%
AC
193
AXQ Capital
New Jersey
$447K -$389K -10,731 -47%
TI
194
Tidal Investments
Wisconsin
$435K -$36.1K -998 -8%
MF
195
Magnetar Financial
Illinois
$404K +$158K +4,368 +64%
EC
196
EntryPoint Capital
New York
$398K +$146K +4,043 +58%
A
197
AlphaQuest
New York
$395K +$99.7K +2,752 +34%
Victory Capital Management
198
Victory Capital Management
Texas
$378K +$4.49K +124 +1%
Truist Financial
199
Truist Financial
North Carolina
$347K -$39.9K -1,103 -10%
LPL Financial
200
LPL Financial
California
$344K +$51.8K +1,430 +18%
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