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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 %
Bank of New York Mellon
51
Bank of New York Mellon
New York
$17.2M -$8.08M -222,274 -32%
EA
52
Emerald Advisers
Pennsylvania
$16.8M -$1.99M -54,826 -11%
Axa
53
Axa
France
$16.6M +$13.5K +371 +0.1%
UBS Group
54
UBS Group
Switzerland
$16M -$1.06M -29,050 -6%
FAM
55
Fred Alger Management
New York
$15.6M -$3.43M -94,298 -18%
Goldman Sachs
56
Goldman Sachs
New York
$15.5M -$1.97M -54,275 -11%
Victory Capital Management
57
Victory Capital Management
Texas
$15.1M +$14.7M +405,303 +3,886%
MB
58
MPM BioImpact
Massachusetts
$14.4M -$99.8K -2,745 -0.7%
Manulife (Manufacturers Life Insurance)
59
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$14.2M +$3.53M +97,015 +33%
Schroder Investment Management Group
60
Schroder Investment Management Group
United Kingdom
$12.2M +$2.61M +71,888 +27%
ACA
61
Avoro Capital Advisors
New York
$12M -$18.2M -500,000 -60%
Legal & General Group
62
Legal & General Group
United Kingdom
$11.4M +$1.99M +54,837 +21%
DZ Bank
63
DZ Bank
Germany
$11.3M – – –
Jacobs Levy Equity Management
64
Jacobs Levy Equity Management
New Jersey
$11M +$11M +303,565 New
UBS AM
65
UBS AM
Illinois
$10.9M +$2.49M +68,602 +30%
EMFAT
66
Emerald Mutual Fund Advisers Trust
Pennsylvania
$10.7M -$1.66M -45,658 -13%
MCM
67
Moore Capital Management
New York
$10.5M +$1.82M +50,000 +21%
MFWM
68
Motley Fool Wealth Management
Virginia
$10M +$4.56M +125,486 +84%
WP
69
Woodline Partners
California
$9.94M +$174K +4,789 +2%
PA
70
Perceptive Advisors
New York
$9.82M +$9.82M +270,000 New
Hudson Bay Capital Management
71
Hudson Bay Capital Management
Connecticut
$9.41M -$4.42M -121,519 -32%
BOCH
72
Blue Owl Capital Holdings
New York
$9.28M +$3.71M +102,000 +67%
PFM
73
Privium Fund Management
Netherlands
$9.18M +$127K +3,500 +1%
AQR Capital Management
74
AQR Capital Management
Connecticut
$9.17M +$5.83M +160,286 +174%
Bank of Nova Scotia
75
Bank of Nova Scotia
Ontario, Canada
$8.8M +$8.8M +241,985 New
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