Ticker · CUSIP 825690100
Holders (tracked)
6
Combined shares
564,272
Combined value
$10.38M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
9 events
- AQR Capital Management added2026-02-17+23,261 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−410,105 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+17,687 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,366 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+71,300 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−518,701 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,491 shares · 2025Q313F
- AQR Capital Management added2025-11-14+41,904 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+69,900 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 positions0
—
Added to4
- Renaissance Technologies+71,300$1.4M
- AQR Capital Management+23,261$444K
- Izzy Englander (Millennium Mgmt)+17,687$338K
- T. Rowe Price+2,366$45
Trimmed1
- Ken Griffin (Citadel Advisors)−410,105$7.8M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $21.72B |
| 2022Q2 | 13 | $12.40B |
| 2022Q3 | 12 | $13.6M |
| 2022Q4 | 12 | $336.6M |
| 2023Q1 | 14 | $445.1M |
| 2023Q2 | 14 | $390.3M |
| 2023Q3 | 13 | $219.4M |
| 2023Q4 | 11 | $242.6M |
| 2024Q1 | 14 | $264.5M |
| 2024Q2 | 11 | $219.4M |
| 2024Q3 | 10 | $45.7M |
| 2024Q4 | 11 | $34.9M |
| 2025Q1 | 6 | $13.5M |
| 2025Q2 | 5 | $22.4M |
| 2025Q3 | 7 | $18.2M |
| 2025Q4 | 6 | $10.4M |
Who owns SSTK
6 super-investors · 2025Q4
Tracked stake
564.3K
shares
Combined value
$10M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 202.3K | $4M |
| 2 | AQR Capital Management | 195.3K | $4M |
| 3 | Ken Griffin Citadel Advisors | 97.2K | $2M |
| 4 | Izzy Englander Millennium Mgmt | 31.9K | $608K |
| 5 | Ken Griffin Citadel Advisors | 16.7K | $319K |
| 6 | T. Rowe Price | 21.0K | $401 |
Recent moves
20 transactions
- −410,105 · 2025Q4
- +17,687 · 2025Q4
- +2,366 · 2025Q4
- +23,261 · 2025Q4
- +71,300 · 2025Q4
- +41,904 · 2025Q3
- −518,701 · 2025Q3
- +1,491 · 2025Q3
- +69,900 · 2025Q3
- +117,720 · 2025Q2
- +911 · 2025Q2
- −93,745 · 2025Q2
- +500 · 2025Q2
- −125,441 · 2025Q1
- +327,203 · 2025Q1
- −50,954 · 2025Q1
- −141,800 · 2025Q1
- −25,547 · 2024Q1
- +3,747 · 2025Q1
- −518,903 · 2024Q4
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