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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 %
American Century Companies
201
American Century Companies
Missouri
$366K +$366K +10,054 New
Royal Bank of Canada
202
Royal Bank of Canada
Ontario, Canada
$365K +$155K +4,253 +73%
LPL Financial
203
LPL Financial
California
$358K +$11.9K +327 +3%
Wealth Enhancement Advisory Services
204
Wealth Enhancement Advisory Services
Minnesota
$353K +$353K +8,848 New
EFM
205
E Fund Management
China
$329K +$27.3K +752 +9%
Public Employees Retirement Association of Colorado
206
Public Employees Retirement Association of Colorado
Colorado
$325K – – –
CCIA
207
Campbell & Co Investment Adviser
Maryland
$309K +$309K +8,486 New
DIG
208
Dauntless Investment Group
New Hampshire
$303K +$303K +8,344 New
BHCM
209
Brevan Howard Capital Management
Jersey
$297K +$297K +8,161 New
SPA
210
Sherbrooke Park Advisers
New York
$287K +$287K +7,882 New
A
211
AlphaQuest
New York
$278K -$119K -3,277 -30%
M&T Bank
212
M&T Bank
New York
$263K +$43.4K +1,192 +20%
FT
213
Fiduciary Trust
Massachusetts
$254K +$2K +55 +0.8%
DO
214
denkapparat Operations
Germany
$251K – – –
Mitsubishi UFJ Asset Management
215
Mitsubishi UFJ Asset Management
Japan
$247K +$16K +441 +7%
AB
216
Amalgamated Bank
New York
$246K +$21.8K +598 +10%
EI
217
Ethic Inc
New York
$241K +$241K +6,603 New
OAM
218
Oppenheimer Asset Management
New York
$237K -$22.8K -626 -9%
Wolverine Trading
219
Wolverine Trading
Illinois
$230K -$22.2K -607 -9%
SRL
220
Scientech Research LLC
New Jersey
$222K +$222K +6,119 New
P
221
Pitcairn
Pennsylvania
$217K -$26.4K -726 -11%
Prudential Financial
222
Prudential Financial
New Jersey
$215K -$334K -8,240 -61%
Connor, Clark & Lunn Investment Management (CC&L)
223
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$214K -$1.42M -39,016 -87%
Nomura Holdings
224
Nomura Holdings
Japan
$209K +$209K +5,742 New
PFCS
225
Pale Fire Capital SE
Czech Republic
$204K +$204K +5,600 New
7 8
9
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