Ticker · CUSIP 83422E204
Holders (tracked)
11
Combined shares
6,009,577
Combined value
$33.89M
Last close
$8.63
Quarter
2025Q4
Price · 1Y$8.63+6.08 (+238.43%)H $8.63 · L $2.55 · Avg Vol 1.3M
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +53.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) added2026-02-17+71,166 shares · 2025Q4Position
- D.E. Shaw & Co. opened position2026-02-17+128,260 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−2,443 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−793,069 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+1,083,103 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−40,715 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+900 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−410,900 shares · 2025Q4Position
- +103,481 shares · 2025Q4Position
- Two Sigma Investments trimmed2025-11-14−18,150 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+66,948 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+973 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−189,672 shares · 2025Q3Position
- Wellington Management added2025-11-14+90,636 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+2,010 shares · 2025Q3Position
- Renaissance Technologies opened position2025-11-13+463,700 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of SLDB…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2025Q1 | $4.58 | +88.3% | $303K |
| AQR Capital Management | 2024Q3 | $4.82 | +79.0% | $1.1M |
| D.E. Shaw & Co. | 2024Q4 | $4.98 | +73.5% | $1.1M |
| Steve Cohen (Point72) | 2024Q2 | $5.40 | +59.9% | $20.9M |
| Ken Fisher (Fisher Asset Mgmt) | 2025Q4 | $5.64 | +53.0% | $893K |
| Ken Griffin (Citadel Advisors) | 2023Q1 | $5.64 | +52.9% | $23.0M |
| Ken Griffin (Citadel Advisors) | 2023Q1 | $5.64 | +52.9% | $23.0M |
| Renaissance Technologies | 2022Q4 | $5.68 | +51.9% | $456K |
| Two Sigma Investments | 2023Q4 | $6.02 | +43.3% | $1.3M |
| Wellington Management | 2024Q2 | $6.26 | +37.9% | $1.6M |
| Izzy Englander (Millennium Mgmt) | 2022Q4 | $6.81 | +26.8% | $1.0M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- D.E. Shaw & Co.+128,260$723K
- Ken Fisher (Fisher Asset Mgmt)+103,481$584K
Added to3
- Steve Cohen (Point72)+1,083,103$6.1M
- Ken Griffin (Citadel Advisors)+71,166$401K
- AQR Capital Management+900$5K
Trimmed4
- Izzy Englander (Millennium Mgmt)−793,069$4.5M
- Renaissance Technologies−410,900$2.3M
- Wellington Management−40,715$230K
- Two Sigma Investments−2,443$14K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q4 | 3 | $1.1M |
| 2023Q1 | 5 | $899K |
| 2023Q2 | 2 | $868K |
| 2023Q3 | 2 | $403K |
| 2023Q4 | 3 | $1.2M |
| 2024Q1 | 7 | $16.7M |
| 2024Q2 | 9 | $22.4M |
| 2024Q3 | 9 | $20.8M |
| 2024Q4 | 7 | $8.0M |
| 2025Q1 | 9 | $11.3M |
| 2025Q2 | 9 | $26.4M |
| 2025Q3 | 10 | $36.3M |
| 2025Q4 | 11 | $33.9M |
Who owns SLDB
11 super-investors · 2025Q4
Tracked stake
6.01M
shares
Combined value
$34M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added4Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 2.66M | $15M |
| 2 | Steve Cohen Point72 | 2.42M | $14M |
| 3 | Wellington Management | 185.7K | $1M |
| 4 | Two Sigma Investments | 153.4K | $865K |
| 5 | AQR Capital Management | 132.0K | $744K |
| 6 | D.E. Shaw & Co. | 128.3K | $723K |
| 7 | Izzy Englander Millennium Mgmt | 116.6K | $658K |
| 8 | Ken Fisher Fisher Asset Mgmt | 103.5K | $584K |
| 9 | Renaissance Technologies | 52.8K | $298K |
| 10 | T. Rowe Price | 35.1K | $198K |
| 11 | Ken Griffin Citadel Advisors | 22.3K | $126K |
Recent moves
20 transactions
- +71,166 · 2025Q4
- −40,715 · 2025Q4
- −2,443 · 2025Q4
- +128,260 · 2025Q4
- −793,069 · 2025Q4
- +1,083,103 · 2025Q4
- +900 · 2025Q4
- −410,900 · 2025Q4
- +103,481 · 2025Q4
- −18,150 · 2025Q3
- +2,010 · 2025Q3
- +66,948 · 2025Q3
- +90,636 · 2025Q3
- −189,672 · 2025Q3
- +973 · 2025Q3
- +463,700 · 2025Q3
- +104,506 · 2025Q2
- +564,809 · 2025Q2
- +1,064,638 · 2025Q2
- +21,519 · 2025Q2
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