Companies / Avidity Biosciences, Inc.

Avidity Biosciences, Inc.

RNARNAMCIK 1599901SAN DIEGO, CA

Financials · FY2025

Revenue$18.75M
Net income$-684.63M
Total debt$0
Cash$382.52M
Diluted EPS$-4.97
Shares outstanding155.1M

Ownership

155.1M shares outstanding · as of Feb 13, 2026
0.09%10%+ / strategic
Ownership
10%+ / strategic0.09%142,888
Institutions94.97%147,347,038
Public float4.94%7,659,720

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 17

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Insider% of sharesShares
Boess CarstenDirector
0.00%0
Boyce SarahCEOPresident and CEO · Director
0.00%0
Calderaro Charles IIIFormerChief Technical Officer
0.00%0
Flanagan W. MichaelChief Scientific Officer
0.00%0
Gallagher Kathleen P.FormerChief Program Officer
0.00%0
Henig NoreenDirector
0.00%0
Hughes Steven GeorgeFormerChief Medical Officer
0.00%0
Kaye Edward M. MDDirector
0.00%0
Kim Jean JinsunDirector
0.00%0
Levin Arthur aDirector
0.00%0

Institutional holders 346

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HolderValue% of shares
Vanguard Group Inc$984.52M8.80%
BlackRock, Inc.$926.93M8.28%
RA Capital Management, L.P.$623.28M5.57%
Janus Henderson Group PLC$500.56M4.47%
Balyasny Asset Management L.P.$435.71M3.89%
Pentwater Capital Management LP$434.69M3.88%
Avoro Capital Advisors LLC$393.47M3.52%
Hbk Investments L P$314.85M2.81%
State Street Corporation$295.58M2.64%
The Goldman Sachs Group, Inc.$272.42M2.43%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 7, 2026Boyce Sarah
CEO
SellCommon Stock$619.4K-9K
-2.94%
283,394
0.18% of shares
medium
Jan 21, 2026Boyce Sarah
CEO
SellCommon Stock$579.1K-8K
-2.89%
269,007
0.17% of shares
medium
Jan 21, 2026Boyce Sarah
CEO
SellCommon Stock$463.2K-6K
-2.26%
277,000
0.18% of shares
medium
Jan 21, 2026Flanagan W. Michael
Executive
SellCommon Stock$288.1K-4K
-4.34%
87,651
0.06% of shares
medium
Jan 7, 2026Calderaro Charles III
Executive
SellCommon Stock$269.2K-4K
-6.96%
49,797
0.03% of shares
medium
Jan 21, 2026Hughes Steven George
Executive
SellCommon Stock$208.5K-3K
-8.35%
31,599
0.02% of shares
medium
Jan 21, 2026MacLean Michael F
Executive
SellCommon Stock$198.2K-3K
-4.41%
59,290
0.04% of shares
medium
Jan 21, 2026Flanagan W. Michael
Executive
SellCommon Stock$185.3K-3K
-2.92%
85,093
0.05% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Janus Henderson Group PLCPassive13G/A———
Wellington Management Group LLPPassive13G/A———
T. Rowe Price Associates, Inc.Passive13G/A—142,888—
Avoro Capital Advisors LLCPassive13G/A———
RA Capital Management, L.P.Passive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
RNA——05370A108—