Ticker · CUSIP 825704109
Holders (tracked)
12
Combined shares
3,759,135
Combined value
$73.40M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
21 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−43,896 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+11,012 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+35,445 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+243,968 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+1,459 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−30,781 shares · 2025Q4Position
- +259,589 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−99,184 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−8,093 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−265,300 shares · 2025Q4Position
- First Eagle Investment Management added2026-02-04+53,200 shares · 2025Q4Position
- −256,064 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+251,102 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+29,304 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+49,519 shares · 2025Q3Position
- Wellington Management added2025-11-14+364,897 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,210 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−19,031 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−131,157 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+80,000 shares · 2025Q3Position
- First Eagle Investment Management added2025-11-12+129,723 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
- Paul Tudor Jones (Tudor Investment)+259,589$5.1M
Added to5
- Steve Cohen (Point72)+243,968$4.8M
- First Eagle Investment Management+53,200$1.0M
- Two Sigma Investments+35,445$699K
- D.E. Shaw & Co.+11,012$217K
- T. Rowe Price+1,459$29
Trimmed5
- Renaissance Technologies−265,300$5.2M
- Izzy Englander (Millennium Mgmt)−99,184$2.0M
- Ken Griffin (Citadel Advisors)−43,896$866K
- Wellington Management−30,781$607K
- AQR Capital Management−8,093$160K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $95.1M |
| 2022Q2 | 10 | $68.5M |
| 2022Q3 | 7 | $99K |
| 2022Q4 | 9 | $61.1M |
| 2023Q1 | 10 | $68.2M |
| 2023Q2 | 12 | $189.9M |
| 2023Q3 | 12 | $130.9M |
| 2023Q4 | 12 | $118.9M |
| 2024Q1 | 12 | $93.0M |
| 2024Q2 | 13 | $75.3M |
| 2024Q3 | 8 | $20.3M |
| 2024Q4 | 9 | $10.3M |
| 2025Q1 | 11 | $22.5M |
| 2025Q2 | 12 | $59.2M |
| 2025Q3 | 11 | $52.8M |
| 2025Q4 | 12 | $73.4M |
Who owns SIBN
12 super-investors · 2025Q4
Tracked stake
3.76M
shares
Combined value
$73M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 822.5K | $16M |
| 2 | Steve Cohen Point72 | 746.0K | $15M |
| 3 | First Eagle Investment Management | 537.5K | $11M |
| 4 | D.E. Shaw & Co. | 404.0K | $8M |
| 5 | Ken Griffin Citadel Advisors | 310.3K | $6M |
| 6 | Paul Tudor Jones Tudor Investment | 259.6K | $5M |
| 7 | Two Sigma Investments | 250.9K | $5M |
| 8 | Renaissance Technologies | 234.4K | $5M |
| 9 | Izzy Englander Millennium Mgmt | 107.4K | $2M |
| 10 | Ken Griffin Citadel Advisors | 28.1K | $554K |
| 11 | AQR Capital Management | 21.3K | $419K |
| 12 | T. Rowe Price | 37.2K | $733 |
Recent moves
20 transactions
- +1,459 · 2025Q4
- −99,184 · 2025Q4
- −30,781 · 2025Q4
- +35,445 · 2025Q4
- −43,896 · 2025Q4
- −8,093 · 2025Q4
- +11,012 · 2025Q4
- +259,589 · 2025Q4
- +243,968 · 2025Q4
- −265,300 · 2025Q4
- +53,200 · 2025Q4
- −256,064 · 2025Q3
- +251,102 · 2025Q3
- +29,304 · 2025Q3
- −131,157 · 2025Q3
- +49,519 · 2025Q3
- +1,210 · 2025Q3
- +364,897 · 2025Q3
- −19,031 · 2025Q3
- +80,000 · 2025Q3
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