Ticker · CUSIP 81734D104
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.
SEC event timeline
10 events
- +75,945 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+475 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−276,737 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−1,981 shares · 2025Q413F
- +18,053 shares · 2025Q413F
- AQR Capital Management opened position2026-02-17+7,826 shares · 2025Q413F
- −16,761 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+332,256 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+14,692 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,522 shares · 2025Q313F
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 positions3
- Ken Griffin (Citadel Advisors)+75,945$2.1M
- Paul Tudor Jones (Tudor Investment)+18,053$503K
- AQR Capital Management+7,826$218K
Added to1
- Two Sigma Investments+475$13K
Trimmed2
- Izzy Englander (Millennium Mgmt)−276,737$7.7M
- T. Rowe Price−1,981$55
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined 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
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 107.5K | $3M |
| 2 | Two Sigma Investments | 92.8K | $3M |
| 3 | Ken Griffin Citadel Advisors | 75.9K | $2M |
| 4 | Paul Tudor Jones Tudor Investment | 18.1K | $503K |
| 5 | Ken Griffin Citadel Advisors | 11.9K | $332K |
| 6 | AQR Capital Management | 7.8K | $218K |
| 7 | T. Rowe Price | 25.4K | $710 |
Recent moves
20 transactions
- +75,945 · 2025Q4
- TRIMT. Rowe Price−1,981 · 2025Q4
- +18,053 · 2025Q4
- +7,826 · 2025Q4
- +475 · 2025Q4
- −276,737 · 2025Q4
- −16,761 · 2025Q3
- +2,522 · 2025Q3
- +332,256 · 2025Q3
- +14,692 · 2025Q3
- +2,801 · 2025Q2
- −384,620 · 2025Q2
- +1,945 · 2025Q2
- +16,761 · 2025Q2
- +436,564 · 2025Q1
- +74,841 · 2025Q1
- −10,000 · 2025Q1
- TRIMT. Rowe Price−495,631 · 2025Q1
- +518,588 · 2024Q4
- +10,000 · 2024Q4
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