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Avidity Biosciences
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Overview Fund Activity

219 hedge funds and large institutions have $3.96B invested in Avidity Biosciences in 2025 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 95 increasing their positions, 65 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
219
Holders Change
-16
Holders Change %
-6.81%
% of All Funds
2.98%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.12%
New
32
Increased
95
Reduced
65
Closed
45
Calls
$9.04M
Puts
$30.3M
Net Calls
-$21.3M
Net Calls Change
-$19.9M

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$361M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$286M
3
Bank of America
Bank of America
North Carolina
$46.5M
4
RI
RTW Investments
New York
$258M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$22.8M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$461M
2
BCM
Boxer Capital Management
California
$25.5M
3
Morgan Stanley
Morgan Stanley
New York
$15.5M
4
CAM
Cormorant Asset Management
Massachusetts
$11.8M
5
Adage Capital Partners
Adage Capital Partners
Massachusetts
$63.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fiera Capital (Canada)
26
Fiera Capital (Canada)
Quebec, Canada
$22.8M +$11M +371,121 +93%
T. Rowe Price Investment Management
27
T. Rowe Price Investment Management
Maryland
$22.8M +$22.8M +771,158 New
MB
28
MPM BioImpact
Massachusetts
$21.1M +$332K +11,243 +2%
UBS Group
29
UBS Group
Switzerland
$17.7M +$11.6M +392,089 +190%
EC
30
EcoR1 Capital
California
$16.5M – – –
Morgan Stanley
31
Morgan Stanley
New York
$15.5M -$20.3M -688,080 -57%
FLSM
32
Frazier Life Sciences Management
California
$15.5M +$15.5M +525,000 New
Marshall Wace
33
Marshall Wace
United Kingdom
$13.4M +$8.63M +292,332 +179%
JPMorgan Chase & Co
34
JPMorgan Chase & Co
New York
$13M -$276K -9,342 -2%
CS
35
Candriam SCA
Luxembourg
$13M +$2.31M +78,389 +22%
TD Asset Management
36
TD Asset Management
Ontario, Canada
$12.8M +$530K +17,970 +4%
NL
37
Nuveen LLC
North Carolina
$12.7M +$12.7M +431,211 New
ACM
38
Alethea Capital Management
Washington
$12.4M +$25.2K +853 +0.2%
SCM
39
Silverarc Capital Management
Massachusetts
$12.1M -$3.91M -132,339 -24%
CAM
40
Cormorant Asset Management
Massachusetts
$11.8M -$19.2M -650,000 -62%
FC
41
Finepoint Capital
Massachusetts
$11.2M -$313K -10,600 -3%
SI
42
Sofinnova Investments
California
$11.2M +$10.8M +366,142 +2,655%
Citigroup
43
Citigroup
New York
$11.1M +$5.53M +187,325 +99%
EAM
44
Eventide Asset Management
Massachusetts
$11.1M – – –
Bank of New York Mellon
45
Bank of New York Mellon
New York
$10.8M +$106K +3,577 +1%
UBS AM
46
UBS AM
Illinois
$10.6M +$748K +25,329 +8%
LGM
47
Logos Global Management
California
$10.3M +$10.3M +350,000 New
VOYA Investment Management
48
VOYA Investment Management
Georgia
$9.81M -$413K -14,006 -4%
Ensign Peak Advisors
49
Ensign Peak Advisors
Utah
$9.74M +$8.92M +302,028 +1,081%
Barclays
50
Barclays
United Kingdom
$9.56M +$2.18M +73,884 +30%
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