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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 %
S
251
SignatureFD
Georgia
$24K +$2.91K +80 +14%
Walleye Trading
252
Walleye Trading
New York
$23.3K +$23.3K +640 New
UB
253
UMB Bank
Missouri
$22.8K +$3.64K +100 +19%
GI
254
GAMMA Investing
California
$22.1K -$5.09K -140 -19%
Lazard Asset Management
255
Lazard Asset Management
New York
$21K -$1.19M -33,455 -98%
SAM
256
Smartleaf Asset Management
Massachusetts
$20.8K -$5.77K -158 -22%
EWA
257
EverSource Wealth Advisors
Alabama
$13.1K +$11.7K +321 +845%
Daiwa Securities Group
258
Daiwa Securities Group
Japan
$12K +$1.24K +35 +11%
VCM
259
Versant Capital Management
Arizona
$11.1K +$4.73K +130 +75%
DJSG
260
D.J. St. Germain
Massachusetts
$10.9K – – –
AF
261
Allworth Financial
California
$9.05K +$4.62K +127 +104%
LFG
262
Larson Financial Group
Missouri
$8.65K -$12.9K -355 -60%
FHA
263
First Horizon Advisors
Tennessee
$7.67K +$7.67K +211 New
NMG
264
New Millennium Group
Utah
$7.27K – – –
MCM
265
MAI Capital Management
Ohio
$7.27K +$5.35K +147 +277%
MPWT
266
MassMutual Private Wealth & Trust
Connecticut
$6.65K +$3.82K +105 +135%
IA
267
IFP Advisors
Florida
$6.04K -$435 – –
Northwestern Mutual Wealth Management
268
Northwestern Mutual Wealth Management
Wisconsin
$5.67K +$3.75K +103 +194%
BIG
269
Brooklyn Investment Group
New York
$5.35K +$2.65K +73 +99%
NS
270
NBC Securities
Alabama
$5K – – –
SCM
271
Sterling Capital Management
North Carolina
$4.98K -$5.6K -154 -53%
CSC
272
Caldwell Sutter Capital
California
$4.47K – – –
National Bank of Canada
273
National Bank of Canada
Quebec, Canada
$4.22K +$4.22K +116 New
TC
274
Truvestments Capital
Florida
$3.96K – – –
MAM
275
Meeder Asset Management
Ohio
$3.85K +$3.85K +106 New
9 10
11
12 13