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Ultragenyx Pharmaceutical
RARE

Overview Fund Activity

307 hedge funds and large institutions have $3.42B invested in Ultragenyx Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 116 increasing their positions, 108 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
307
Holders Change
+10
Holders Change %
+3.37%
% of All Funds
4.12%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.08%
New
54
Increased
116
Reduced
108
Closed
43
Calls
$149M
Puts
$87.7M
Net Calls
+$60.8M
Net Calls Change
+$59.2M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$119M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$94.7M
3
BBA
3
Baker Bros. Advisors
New York
$101M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$42.3M
5
FCM
5
Farallon Capital Management
California
$32.7M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$55.6M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$68.1M
3
ACA
3
Avoro Capital Advisors
New York
$12M
4
VPC
4
Vestal Point Capital
New York
$0
5
Invesco
5
Invesco
Georgia
$26.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
PFSRSONJ
151
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.26M +$89.4K +2,458 +8%
UOC
152
UBS O'Connor
Illinois
$1.16M -$2.03M -55,950 -64%
Citigroup
153
Citigroup
New York
$1.16M -$2.96M -81,308 -72%
JF
154
Jump Financial
Illinois
$1.15M +$188K +5,158 +19%
Raymond James Financial
155
Raymond James Financial
Florida
$1.11M +$338K +9,295 +44%
BMSSC
156
B. Metzler seel. Sohn & Co
Germany
$1.09M – – –
Envestnet Asset Management
157
Envestnet Asset Management
Illinois
$1.09M +$61.7K +1,698 +6%
Ohio Public Employees Retirement System (OPERS)
158
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.01M +$19.7K +543 +2%
Handelsbanken Fonder
159
Handelsbanken Fonder
Sweden
$986K -$3.64K -100 -0.4%
Canada Life
160
Canada Life
Manitoba, Canada
$962K +$107K +2,937 +13%
Zurich Cantonal Bank
161
Zurich Cantonal Bank
Switzerland
$959K +$146K +4,027 +18%
SCI
162
S&CO Inc
Massachusetts
$918K +$182K +5,000 +25%
ASRS
163
Arizona State Retirement System
Arizona
$896K +$29.6K +814 +3%
ACP
164
Acuta Capital Partners
California
$866K +$91.8K +2,524 +12%
Teacher Retirement System of Texas
165
Teacher Retirement System of Texas
Texas
$828K +$14.7K +404 +2%
Stifel Financial
166
Stifel Financial
Missouri
$803K -$47.2K -1,298 -6%
Squarepoint
167
Squarepoint
New York
$788K -$7.21M -198,201 -90%
VRS
168
Virginia Retirement Systems
Virginia
$715K -$10.9K -300 -2%
Mackenzie Financial
169
Mackenzie Financial
Ontario, Canada
$697K +$18.3K +502 +3%
CUAMC
170
China Universal Asset Management Company
China
$690K +$15.8K +434 +2%
CCM
171
Cinctive Capital Management
New York
$681K -$2.13M -58,530 -76%
BC
172
Birchview Capital
Vermont
$654K +$72.7K +2,000 +13%
KK
173
KLP Kapitalforvaltning
Norway
$644K +$50.9K +1,400 +9%
EAM
174
Erste Asset Management
Austria
$636K +$88.1K +2,411 +16%
Wells Fargo
175
Wells Fargo
California
$634K +$6.22K +171 +1%
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