Ticker · CUSIP 76243J105

RYTM

RHYTHM PHARMACEUTICALS INC
···Share
Holders (tracked)
10
Combined shares
3,127,162
Combined value
$167.83M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
10102024Q12025Q4

SEC event timeline

19 events
  1. +27,771 shares · 2025Q4
    13F
  2. +20,696 shares · 2025Q4
    13F
  3. +53,548 shares · 2025Q4
    13F
  4. +160,950 shares · 2025Q4
    13F
  5. +225,679 shares · 2025Q4
    13F
  6. −9,734 shares · 2025Q4
    13F
  7. +429,420 shares · 2025Q4
    13F
  8. −205,400 shares · 2025Q4
    13F
  9. +66,213 shares · 2025Q4
    13F
  10. −4,272 shares · 2025Q3
    13F
  11. +30,740 shares · 2025Q3
    13F
  12. −64,949 shares · 2025Q3
    13F
  13. −170,832 shares · 2025Q3
    13F
  14. −20,693 shares · 2025Q3
    13F
  15. +58,505 shares · 2025Q3
    13F
  16. +2,052 shares · 2025Q3
    13F
  17. +231,700 shares · 2025Q3
    13F
  18. −207,389 shares · 2025Q3
    13F
  19. +23,038 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Trimmed2
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
10
$50.3M
2022Q2
8
$9.6M
2022Q3
8
$105K
2022Q4
8
$125.4M
2023Q1
11
$82.1M
2023Q2
8
$109.6M
2023Q3
11
$152.2M
2023Q4
8
$303.8M
2024Q1
10
$301.6M
2024Q2
7
$293.7M
2024Q3
9
$17.3M
2024Q4
9
$27.0M
2025Q1
12
$31.6M
2025Q2
12
$66.2M
2025Q3
10
$101.1M
2025Q4
10
$167.8M

Who owns RYTM

10 super-investors · 2025Q4
Tracked stake
3.13M
shares
Combined value
$168M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added6Trim2
#ManagerSharesValue
1Steve Cohen
Point72
429.4K$46M
2Renaissance Technologies341.2K$37M
3Wellington Management250.2K$27M
4Izzy Englander
Millennium Mgmt
186.7K$20M
5Ken Griffin
Citadel Advisors
153.3K$16M
6AQR Capital Management70.0K$7M
7Norges Bank
Norway SWF
66.2K$7M
8Ken Griffin
Citadel Advisors
37.9K$4M
9D.E. Shaw & Co.31.4K$3M
10T. Rowe Price1.56M$167K

Recent moves

20 transactions
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