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

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
$55.6M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$68.1M
3
ACA
Avoro Capital Advisors
New York
$12M
4
VPC
Vestal Point Capital
New York
$0
5
Invesco
Invesco
Georgia
$26.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
GCM
101
Graham Capital Management
Connecticut
$4M +$1.11M +30,612 +39%
BGI
102
B Group Inc
Texas
$4M +$2.27M +62,500 +132%
Ameriprise
103
Ameriprise
Minnesota
$3.97M +$3.27M +89,940 +466%
Amundi
104
Amundi
France
$3.91M +$3.68M +93,189 +1,560%
ACM
105
Aquatic Capital Management
Illinois
$3.89M +$389K +10,691 +11%
RhumbLine Advisers
106
RhumbLine Advisers
Massachusetts
$3.77M -$42.4K -1,167 -1%
CAG
107
Crestwood Advisors Group
Massachusetts
$3.66M -$36 -1 -0%
SFM
108
Sphera Funds Management
Israel
$3.64M -$6.08M -167,300 -63%
IHAM
109
Integral Health Asset Management
New York
$3.64M +$3.64M +100,000 New
HSBC Holdings
110
HSBC Holdings
United Kingdom
$3.55M +$1.67M +45,665 +89%
State Board of Administration of Florida Retirement System
111
State Board of Administration of Florida Retirement System
Florida
$3.41M +$17.1K +470 +0.5%
RPAM
112
Rhenman & Partners Asset Management
Sweden
$3.39M +$404K +11,100 +14%
Capital Fund Management (CFM)
113
Capital Fund Management (CFM)
France
$3.34M +$1.6M +43,903 +91%
Universal-Beteiligungs- und Servicegesellschaft
114
Universal-Beteiligungs- und Servicegesellschaft
Germany
$3.28M -$1.6M -44,027 -33%
SEI Investments
115
SEI Investments
Pennsylvania
$3.28M -$801K -22,022 -20%
CSS
116
Cubist Systematic Strategies
Connecticut
$3.1M -$1.32M -36,228 -30%
Rafferty Asset Management
117
Rafferty Asset Management
New York
$2.95M -$281K -7,716 -9%
Susquehanna International Group
118
Susquehanna International Group
Pennsylvania
$2.92M -$1.46M -40,237 -33%
HF
119
HRT Financial
New York
$2.9M +$1.65M +45,389 +132%
IG
120
ING Group
Netherlands
$2.9M +$2.9M +79,800 New
State of Wisconsin Investment Board
121
State of Wisconsin Investment Board
Wisconsin
$2.82M +$113K +3,100 +4%
California State Teachers Retirement System (CalSTRS)
122
California State Teachers Retirement System (CalSTRS)
California
$2.81M +$5.85K +161 +0.2%
HWAM
123
Hennion & Walsh Asset Management
New Jersey
$2.57M +$345K +9,477 +15%
Balyasny Asset Management
124
Balyasny Asset Management
Illinois
$2.56M -$1.54M -42,270 -37%
Skandinaviska Enskilda Banken (SEB)
125
Skandinaviska Enskilda Banken (SEB)
Sweden
$2.46M +$1.28M +35,185 +108%
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5
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