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Avidity Biosciences
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Overview Fund Activity

206 hedge funds and large institutions have $3.86B invested in Avidity Biosciences in 2025 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 85 increasing their positions, 73 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
206
Holders Change
-13
Holders Change %
-5.94%
% of All Funds
2.76%
Holding in Top 10
7
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-22.22%
% of All Funds
0.09%
New
27
Increased
85
Reduced
73
Closed
38
Calls
$10.4M
Puts
$4.22M
Net Calls
+$6.2M
Net Calls Change
+$27.5M

Top Buyers

1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
$100M
2
RCM
RA Capital Management
Massachusetts
$206M
3
RI
RTW Investments
New York
$273M
4
LGM
Logos Global Management
California
$27M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$460M

Top Sellers

1
DCM
Driehaus Capital Management
Illinois
$0
2
BCM
Boxer Capital Management
California
$0
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
$306M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
$43.4M
5
BlackRock
BlackRock
New York
$265M
Name Holding Trade Value Shares
Change 		Shares
Change %
T. Rowe Price Investment Management
26
T. Rowe Price Investment Management
Maryland
$23.1M +$1.21M +42,747 +6%
Fiera Capital (Canada)
27
Fiera Capital (Canada)
Quebec, Canada
$22.2M +$273K +9,608 +1%
MB
28
MPM BioImpact
Massachusetts
$21.6M +$1.3M +45,798 +6%
WP
29
Woodline Partners
California
$18M -$6.56M -230,831 -27%
FLSM
30
Frazier Life Sciences Management
California
$17.8M +$2.84M +100,000 +19%
Royal Bank of Canada
31
Royal Bank of Canada
Ontario, Canada
$17.2M +$16M +562,403 +1,269%
UBS Group
32
UBS Group
Switzerland
$16.9M -$40.9K -1,441 -0.2%
SI
33
Sofinnova Investments
California
$16.6M +$5.82M +204,870 +54%
JPMorgan Chase & Co
34
JPMorgan Chase & Co
New York
$16.5M +$3.96M +139,473 +32%
Ensign Peak Advisors
35
Ensign Peak Advisors
Utah
$15.1M +$5.7M +200,836 +61%
EC
36
EcoR1 Capital
California
$14.2M -$1.64M -57,576 -10%
Morgan Stanley
37
Morgan Stanley
New York
$12.7M -$2.27M -79,816 -15%
CS
38
Candriam SCA
Luxembourg
$12.6M +$104K +3,674 +0.8%
ACM
39
Alethea Capital Management
Washington
$12.2M +$196K +6,900 +2%
SCM
40
Silverarc Capital Management
Massachusetts
$11.6M -$37.3K -1,312 -0.3%
TD Asset Management
41
TD Asset Management
Ontario, Canada
$11.5M -$816K -28,746 -7%
UBS AM
42
UBS AM
Illinois
$11.2M +$1.09M +38,247 +11%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$10.9M +$470K +16,566 +5%
EAM
44
Eventide Asset Management
Massachusetts
$10.7M – – –
Barclays
45
Barclays
United Kingdom
$10.6M +$1.36M +47,875 +15%
VOYA Investment Management
46
VOYA Investment Management
Georgia
$9.92M +$483K +17,003 +5%
Schroder Investment Management Group
47
Schroder Investment Management Group
United Kingdom
$9.76M +$6.67M +234,715 +215%
Dimensional Fund Advisors
48
Dimensional Fund Advisors
Texas
$9.39M +$5.13M +180,477 +120%
Citigroup
49
Citigroup
New York
$8.23M -$2.48M -87,425 -23%
Aberdeen Group
50
Aberdeen Group
United Kingdom
$7.95M – – –
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