Ticker · CUSIP 26818M108

DYN

DYNE THERAPEUTICS INC
···Share
Holders (tracked)
12
Combined shares
5,820,152
Combined value
$113.84M
Last close
$20.41
Quarter
2025Q4
Price · 1Y$20.41+12.24 (+149.82%)H $24.29 · L $8.17 · Avg Vol 2.6M
$10.00$15.00$20.00$25.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
12122024Q12025Q4
Price is +4.3% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

20 events
  1. +147,621 shares · 2025Q4
    Position
  2. −41,587 shares · 2025Q4
    Position
  3. +5,181 shares · 2025Q4
    Position
  4. −2,241,811 shares · 2025Q4
    Position
  5. +490,449 shares · 2025Q4
    Position
  6. −1,388,462 shares · 2025Q4
    Position
  7. −71,216 shares · 2025Q4
    Position
  8. +925,702 shares · 2025Q4
    Position
  9. +125,145 shares · 2025Q4
    Position
  10. +49,319 shares · 2025Q4
    Position
  11. +250,065 shares · 2025Q4
    Position
  12. +271,221 shares · 2025Q3
    Position
  13. +1,594,523 shares · 2025Q3
    Position
  14. −985,866 shares · 2025Q3
    Position
  15. +7,897 shares · 2025Q3
    Position
  16. +98,965 shares · 2025Q3
    Position
  17. −467,353 shares · 2025Q3
    Position
  18. +345,500 shares · 2025Q3
    Position
  19. −49,319 shares · 2025Q3
    Position
  20. +325,238 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of DYN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Steve Cohen (Point72)2020Q3$13.04+56.5%$6.7M
Paul Tudor Jones (Tudor Investment)2020Q3$15.38+32.7%$3.0M
AQR Capital Management2023Q2$15.71+29.9%$1.4M
Izzy Englander (Millennium Mgmt)2020Q3$16.46+24.0%$18.5M
Renaissance Technologies2021Q3$16.84+21.2%$9.6M
Ken Griffin (Citadel Advisors)2020Q3$19.48+4.8%$392K
Ken Griffin (Citadel Advisors)2020Q3$19.48+4.8%$392K
Ken Griffin (Citadel Advisors)2020Q3$19.48+4.8%$392K
Ken Fisher (Fisher Asset Mgmt)2025Q4$19.56+4.3%$5.1M
Wellington Management2020Q3$20.75-1.6%$961K
T. Rowe Price2020Q3$23.98-14.9%$47.4M
Norges Bank (Norway SWF)2020Q3$28.08-27.3%$1.0M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
Trimmed3
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
10
$5.87B
2022Q2
8
$55.4M
2022Q3
11
$105.8M
2022Q4
14
$102.0M
2023Q1
14
$95.6M
2023Q2
10
$76.9M
2023Q3
8
$64.0M
2023Q4
7
$102.1M
2024Q1
12
$337.6M
2024Q2
13
$536.5M
2024Q3
11
$230.1M
2024Q4
9
$174.0M
2025Q1
10
$72.5M
2025Q2
9
$40.4M
2025Q3
10
$95.6M
2025Q4
12
$113.8M

Who owns DYN

12 super-investors · 2025Q4
Tracked stake
5.82M
shares
Combined value
$114M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added4Trim5
#ManagerSharesValue
1T. Rowe Price2.32M$45M
2Ken Griffin
Citadel Advisors
1.17M$23M
3Izzy Englander
Millennium Mgmt
904.4K$18M
4Renaissance Technologies470.6K$9M
5Steve Cohen
Point72
329.3K$6M
6Ken Fisher
Fisher Asset Mgmt
250.1K$5M
7Paul Tudor Jones
Tudor Investment
147.6K$3M
8AQR Capital Management70.7K$1M
9Norges Bank
Norway SWF
49.3K$965K
10Wellington Management47.1K$921K
11Ken Griffin
Citadel Advisors
36.4K$712K
12Ken Griffin
Citadel Advisors
19.2K$376K

Recent moves

20 transactions
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