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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 %
BC
201
Bayforest Capital
United Kingdom
$333K +$219K +6,046 +192%
Public Employees Retirement Association of Colorado
202
Public Employees Retirement Association of Colorado
Colorado
$324K – – –
OAM
203
Oxford Asset Management
United Kingdom
$305K +$305K +8,421 New
EFM
204
E Fund Management
China
$301K +$39.8K +1,100 +15%
ECM
205
ExodusPoint Capital Management
New York
$289K -$2.86M -79,026 -91%
Dimensional Fund Advisors
206
Dimensional Fund Advisors
Texas
$281K +$616 +17 +0.2%
VIA
207
Virtus Investment Advisers
Connecticut
$277K +$277K +7,655 New
ET
208
Entropy Technologies
New York
$273K +$273K +7,549 New
Comerica Bank
209
Comerica Bank
Texas
$266K +$219K +6,049 +464%
Wolverine Trading
210
Wolverine Trading
Illinois
$261K +$261K +6,900 New
OAM
211
Oppenheimer Asset Management
New York
$259K +$42.5K +1,173 +20%
FT
212
Fiduciary Trust
Massachusetts
$251K +$251K +6,922 New
DO
213
denkapparat Operations
Germany
$250K +$71.7K +1,980 +40%
P
214
Pitcairn
Pennsylvania
$243K -$59.5K -1,642 -20%
Mitsubishi UFJ Asset Management
215
Mitsubishi UFJ Asset Management
Japan
$230K +$17.9K +493 +8%
AB
216
Amalgamated Bank
New York
$223K +$6.77K +187 +3%
M&T Bank
217
M&T Bank
New York
$219K -$14.6K -403 -6%
TCM
218
Teza Capital Management
Illinois
$215K +$3.04K +84 +1%
Amundi
219
Amundi
France
$210K – – –
Royal Bank of Canada
220
Royal Bank of Canada
Ontario, Canada
$209K -$2.31M -63,952 -92%
SP
221
SIH Partners
Delaware
$208K +$208K +5,738 New
MIM
222
MetLife Investment Management
New Jersey
$198K -$435 -12 -0.2%
KBC Group
223
KBC Group
Belgium
$134K -$2.08M -57,314 -94%
HFS
224
Hantz Financial Services
Michigan
$125K +$3.11K +86 +3%
Mirae Asset Global Investments
225
Mirae Asset Global Investments
South Korea
$117K +$681 +18 +0.6%
7 8
9
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