Ticker · CUSIP 05370A108

RNAGBP

AVIDITY BIOSCIENCES INC
···Share
Holders (tracked)
15
Combined shares
10,210,683
Combined value
$736.50M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+7 vs previous quarter over the last 8.
1592024Q12025Q4

SEC event timeline

18 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +692,665 shares · 2025Q4
    Position
  2. D.E. Shaw & Co. exited2026-02-17
    −11,577 shares · 2025Q4
    Position
  3. Wellington Management trimmed2026-02-17
    −9,342,069 shares · 2025Q4
    Position
  4. Jeremy Grantham (GMO) opened position2026-02-17
    +154,455 shares · 2025Q4
    Position
  5. AQR Capital Management opened position2026-02-17
    +14,149 shares · 2025Q4
    Position
  6. Izzy Englander (Millennium Mgmt) added2026-02-17
    +2,127,647 shares · 2025Q4
    Position
  7. T. Rowe Price trimmed2026-02-17
    −9,644,529 shares · 2025Q4
    Position
  8. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +733,010 shares · 2025Q4
    Position
  9. George Soros (Soros Fund Mgmt) opened position2026-02-13
    +840,976 shares · 2025Q4
    Position
  10. Renaissance Technologies opened position2026-02-12
    +45,100 shares · 2025Q4
    Position
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +3,046,388 shares · 2025Q4
    Position
  12. Mario Gabelli (GAMCO) opened position2026-02-05
    +3,500 shares · 2025Q4
    Position
  13. T. Rowe Price trimmed2025-11-14
    −1,021,310 shares · 2025Q3
    Position
  14. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −207,368 shares · 2025Q3
    Position
  15. D.E. Shaw & Co. trimmed2025-11-14
    −225,820 shares · 2025Q3
    Position
  16. Wellington Management added2025-11-14
    +815,497 shares · 2025Q3
    Position
  17. Norges Bank (Norway SWF) exited2025-11-13
    −995,118 shares · 2025Q3
    Position
  18. Norges Bank (Norway SWF) opened position2025-11-12
    +1,046,856 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for RNAGBP →

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions7
Added to2
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
6
$231.7M
2022Q2
7
$192.3M
2022Q3
9
$160.1M
2022Q4
12
$301.0M
2023Q1
11
$217.4M
2023Q2
11
$153.6M
2023Q3
11
$91.3M
2023Q4
8
$137.1M
2024Q1
9
$394.1M
2024Q2
12
$1.03B
2024Q3
10
$927.6M
2024Q4
10
$384.1M
2025Q1
9
$625.2M
2025Q2
9
$615.2M
2025Q3
8
$916.2M
2025Q4
15
$736.5M

Who owns RNAGBP

15 super-investors · 2025Q4
Tracked stake
10.21M
shares
Combined value
$736M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New8Added5Trim2
#ManagerSharesValue
1Norges Bank
Norway SWF
3.05M$220M
2Izzy Englander
Millennium Mgmt
2.16M$156M
3Ken Griffin
Citadel Advisors
1.59M$115M
4George Soros
Soros Fund Mgmt
841.0K$61M
5Paul Tudor Jones
Tudor Investment
733.0K$53M
6Wellington Management723.1K$52M
7Ken Griffin
Citadel Advisors
436.9K$32M
8Izzy Englander
Millennium Mgmt
258.0K$19M
9Jeremy Grantham
GMO
154.5K$11M
10T. Rowe Price142.9K$10M
11Ken Griffin
Citadel Advisors
58.0K$4M
12Renaissance Technologies45.1K$3M
13AQR Capital Management14.1K$1M
14Paul Tudor Jones
Tudor Investment
4.5K$325K
15Mario Gabelli
GAMCO
3.5K$252K

Recent moves

20 transactions
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