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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 %
Envestnet Asset Management
151
Envestnet Asset Management
Illinois
$1.02M -$218K -6,030 -18%
Ohio Public Employees Retirement System (OPERS)
152
Ohio Public Employees Retirement System (OPERS)
Ohio
$990K -$115K -3,163 -10%
Handelsbanken Fonder
153
Handelsbanken Fonder
Sweden
$986K – – –
JF
154
Jump Financial
Illinois
$960K -$3.12M -86,301 -76%
YIH
155
Y-Intercept (HK)
Hong Kong
$891K -$75.9K -2,095 -8%
Simplex Trading
156
Simplex Trading
Illinois
$868K +$653K +18,062 +305%
ASRS
157
Arizona State Retirement System
Arizona
$863K -$7.57K -209 -0.9%
Natixis Advisors
158
Natixis Advisors
Massachusetts
$851K -$992K -27,404 -54%
Canada Life
159
Canada Life
Manitoba, Canada
$851K +$11.2K +308 +1%
Stifel Financial
160
Stifel Financial
Missouri
$847K -$15.1K -417 -2%
Tudor Investment Corp
161
Tudor Investment Corp
Connecticut
$814K +$814K +22,474 New
P8IP
162
Pier 88 Investment Partners
California
$810K +$300K +8,280 +59%
Teacher Retirement System of Texas
163
Teacher Retirement System of Texas
Texas
$810K -$79.8K -2,205 -9%
Zurich Cantonal Bank
164
Zurich Cantonal Bank
Switzerland
$809K -$18.9K -522 -2%
BC
165
BIT Capital
Germany
$784K -$297K -8,215 -28%
PD
166
Point72 (DIFC)
United Arab Emirates
$777K +$102K +2,825 +15%
ACP
167
Acuta Capital Partners
California
$771K +$10.5K +290 +1%
Raymond James Financial
168
Raymond James Financial
Florida
$765K -$23.1K -637 -3%
SCI
169
S&CO Inc
Massachusetts
$733K – – –
SC
170
SummitTX Capital
Texas
$727K +$727K +20,085 New
VRS
171
Virginia Retirement Systems
Virginia
$723K +$723K +19,969 New
Ameriprise
172
Ameriprise
Minnesota
$699K +$214K +5,901 +44%
Mackenzie Financial
173
Mackenzie Financial
Ontario, Canada
$676K +$92.1K +2,543 +16%
CUAMC
174
China Universal Asset Management Company
China
$672K -$37.2K -1,026 -5%
ORI
175
Oak Ridge Investments
Illinois
$643K +$14.3K +395 +2%
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