Ticker · CUSIP 854231107
Holders (tracked)
6
Combined shares
117,424
Combined value
$23.05M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-4 vs previous quarter over the last 8.
SEC event timeline
13 events
- D.E. Shaw & Co. trimmed2026-02-17−25,223 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2026-02-17−1,179 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) exited2026-02-17−1,116 shares · 2025Q413F
- T. Rowe Price added2026-02-17+982 shares · 2025Q413F
- AQR Capital Management added2026-02-17+684 shares · 2025Q413F
- Mario Gabelli (GAMCO) trimmed2026-02-05−2,804 shares · 2025Q413F
- AQR Capital Management added2025-11-14+1,054 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−25,987 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+20,219 shares · 2025Q313F
- T. Rowe Price added2025-11-14+681 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−8,489 shares · 2025Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−3,015 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−16,494 shares · 2024Q313F
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-08 | Arets Max VP; Chief Information Officer · Officer | F | 132 | $272.83 | $36.0K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to2
- AQR Capital Management+684$149K
- T. Rowe Price+982$213
Trimmed2
- D.E. Shaw & Co.−25,223$5.5M
- Mario Gabelli (GAMCO)−2,804$609K
Exited2
- Izzy Englander (Millennium Mgmt)−1,179$250K
- Ken Griffin (Citadel Advisors)−1,116$236K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $11.94B |
| 2022Q2 | 13 | $9.84B |
| 2022Q3 | 11 | $12.0M |
| 2022Q4 | 13 | $240.3M |
| 2023Q1 | 14 | $271.4M |
| 2023Q2 | 15 | $294.5M |
| 2023Q3 | 13 | $290.6M |
| 2023Q4 | 11 | $316.8M |
| 2024Q1 | 9 | $359.8M |
| 2024Q2 | 12 | $314.5M |
| 2024Q3 | 9 | $29.4M |
| 2024Q4 | 10 | $24.8M |
| 2025Q1 | 10 | $21.6M |
| 2025Q2 | 9 | $25.6M |
| 2025Q3 | 10 | $28.8M |
| 2025Q4 | 6 | $23.0M |
Who owns SXI
6 super-investors · 2025Q4
Tracked stake
117.4K
shares
Combined value
$23M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added2Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Mario Gabelli GAMCO | 75.1K | $16M |
| 2 | D.E. Shaw & Co. | 10.4K | $2M |
| 3 | D.E. Shaw & Co. | 9.7K | $2M |
| 4 | D.E. Shaw & Co. | 5.6K | $1M |
| 5 | AQR Capital Management | 5.3K | $1M |
| 6 | T. Rowe Price | 11.4K | $2K |
Recent moves
20 transactions
- −1,116 · 2025Q4
- +982 · 2025Q4
- +684 · 2025Q4
- TRIMD.E. Shaw & Co.−25,223 · 2025Q4
- −1,179 · 2025Q4
- −2,804 · 2025Q4
- +681 · 2025Q3
- −25,987 · 2025Q3
- +20,219 · 2025Q3
- +1,054 · 2025Q3
- −8,489 · 2025Q3
- −16,494 · 2024Q3
- −3,015 · 2025Q3
- −2,684 · 2025Q2
- +709 · 2025Q2
- +12,920 · 2025Q2
- −6,552 · 2025Q2
- +23,307 · 2025Q2
- −1,737 · 2025Q2
- +8,489 · 2025Q2
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