Ticker · CUSIP 83356Q108
Holders (tracked)
3
Combined shares
420,697
Combined value
$1.08M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
5 events
- +225,567 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+72,438 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−562,528 shares · 2025Q4Position
- +31,892 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−700 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)+225,567$577K
Added to1
- Izzy Englander (Millennium Mgmt)+72,438$185K
Trimmed0
—
Exited1
- Renaissance Technologies−562,528$2.2M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $1.6M |
| 2022Q2 | 6 | $1.8M |
| 2022Q3 | 4 | $999K |
| 2022Q4 | 4 | $1.2M |
| 2023Q1 | 6 | $2.4M |
| 2023Q2 | 6 | $1.6M |
| 2023Q3 | 5 | $861K |
| 2023Q4 | 5 | $942K |
| 2024Q1 | 5 | $813K |
| 2024Q2 | 4 | $785K |
| 2024Q3 | 3 | $615K |
| 2024Q4 | 2 | $515K |
| 2025Q1 | 4 | $619K |
| 2025Q2 | 3 | $1.9M |
| 2025Q3 | 3 | $2.5M |
| 2025Q4 | 3 | $1.1M |
Who owns SY
3 super-investors · 2025Q4
Tracked stake
420.7K
shares
Combined value
$1M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 225.6K | $577K |
| 2 | Izzy Englander Millennium Mgmt | 104.3K | $267K |
| 3 | Ken Griffin Citadel Advisors | 90.8K | $232K |
Recent moves
20 transactions
- +72,438 · 2025Q4
- +225,567 · 2025Q4
- −562,528 · 2025Q4
- +31,892 · 2025Q3
- −700 · 2025Q3
- −24,473 · 2025Q2
- −18,000 · 2025Q2
- −18 · 2025Q1
- −14,800 · 2025Q1
- −181 · 2024Q4
- −19,500 · 2024Q4
- −2,283 · 2024Q3
- −16,100 · 2024Q3
- −700 · 2024Q2
- −3,700 · 2024Q2
- −123 · 2024Q1
- −7,000 · 2024Q1
- −1,000 · 2023Q4
- −23,996 · 2023Q4
- −29,401 · 2023Q3
Embed this chart
Paste this iframe anywhere to embed the live SY chart.
<iframe src="https://openstocks.me/embed/stock/SY" width="100%" height="480" frameborder="0" loading="lazy" title="SY chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Preview: https://openstocks.me/embed/stock/SY