Ticker · CUSIP 81734D104

SEPN

SEPTERNA INC
···Share
Holders (tracked)
7
Combined shares
339,439
Combined value
$8.75M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 5.
732024Q42025Q4

SEC event timeline

10 events
  1. +75,945 shares · 2025Q4
    13F
  2. +475 shares · 2025Q4
    13F
  3. −276,737 shares · 2025Q4
    13F
  4. −1,981 shares · 2025Q4
    13F
  5. +18,053 shares · 2025Q4
    13F
  6. +7,826 shares · 2025Q4
    13F
  7. −16,761 shares · 2025Q3
    13F
  8. +332,256 shares · 2025Q3
    13F
  9. +14,692 shares · 2025Q3
    13F
  10. +2,522 shares · 2025Q3
    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.
Added to1
Trimmed2
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2024Q4
3
$9.5M
2025Q1
5
$3.1M
2025Q2
7
$2.9M
2025Q3
5
$9.4M
2025Q4
7
$8.8M

Who owns SEPN

7 super-investors · 2025Q4
Tracked stake
339.4K
shares
Combined value
$9M
% of shares outstanding
shares-out unknown
Quarter action mix
New4Added1Trim2
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
107.5K$3M
2Two Sigma Investments92.8K$3M
3Ken Griffin
Citadel Advisors
75.9K$2M
4Paul Tudor Jones
Tudor Investment
18.1K$503K
5Ken Griffin
Citadel Advisors
11.9K$332K
6AQR Capital Management7.8K$218K
7T. Rowe Price25.4K$710

Recent moves

20 transactions
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