Ticker · CUSIP 81728J109
Holders (tracked)
4
Combined shares
327,193
Combined value
$1.30M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
5 events
- +33,459 shares · 2025Q4Position
- Two Sigma Investments exited2026-02-17−25,407 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−4,100 shares · 2025Q4Position
- Two Sigma Investments trimmed2025-11-14−20,519 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+11,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Ken Griffin (Citadel Advisors)+33,459$133K
Added to0
—
Trimmed1
- Renaissance Technologies−4,100$16K
Exited1
- Two Sigma Investments−25,407$80K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 6 | $6.3M |
| 2022Q2 | 7 | $5.2M |
| 2022Q3 | 8 | $7.1M |
| 2022Q4 | 7 | $3.4M |
| 2023Q1 | 8 | $2.6M |
| 2023Q2 | 4 | $1.8M |
| 2023Q3 | 4 | $1.5M |
| 2023Q4 | 3 | $950K |
| 2024Q1 | 7 | $1.9M |
| 2024Q2 | 6 | $3.9M |
| 2024Q3 | 6 | $3.9M |
| 2024Q4 | 6 | $5.6M |
| 2025Q1 | 2 | $1.7M |
| 2025Q2 | 2 | $1.4M |
| 2025Q3 | 3 | $958K |
| 2025Q4 | 4 | $1.3M |
Who owns SRTS
4 super-investors · 2025Q4
Tracked stake
327.2K
shares
Combined value
$1M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 257.0K | $1M |
| 2 | Ken Griffin Citadel Advisors | 33.5K | $133K |
| 3 | Ken Griffin Citadel Advisors | 21.8K | $87K |
| 4 | Ken Griffin Citadel Advisors | 14.9K | $59K |
Recent moves
20 transactions
- +33,459 · 2025Q4
- −25,407 · 2025Q4
- −4,100 · 2025Q4
- −20,519 · 2025Q3
- +11,000 · 2025Q3
- −43,672 · 2025Q2
- −9,500 · 2025Q2
- −925 · 2025Q1
- −85,329 · 2025Q1
- −171,300 · 2025Q1
- −63,521 · 2024Q4
- +61,403 · 2024Q4
- +21,600 · 2024Q4
- −26,018 · 2024Q3
- −45,774 · 2024Q3
- SOLDD.E. Shaw & Co.−75,794 · 2023Q4
- +17,800 · 2024Q3
- −16,282 · 2024Q2
- +167,568 · 2024Q2
- ADDBlackRock+1,123 · 2024Q2
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