Ticker · CUSIP 81211K100
Holders (tracked)
14
Combined shares
13,249,243
Combined value
$543.08M
Last close
$1.68
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is -95.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- +152,295 shares · 2025Q413F
- Jeremy Grantham (GMO) trimmed2026-02-17−42,379 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−198,085 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−1,586 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−5,958,328 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−3,138,011 shares · 2025Q413F
- Bill Nygren (Harris / Oakmark) trimmed2026-02-17−1,499,005 shares · 2025Q413F
- +4,185,246 shares · 2025Q413F
- −96,974 shares · 2025Q413F
- +520,974 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−277,100 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+3,619,312 shares · 2025Q413F
- Mario Gabelli (GAMCO) opened position2026-02-05+85,400 shares · 2025Q413F
- D.E. Shaw & Co. added2025-11-14+3,384 shares · 2025Q313F
- AQR Capital Management added2025-11-14+172,150 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+3,606,314 shares · 2025Q313F
- Two Sigma Investments exited2025-11-14−29,595 shares · 2025Q313F
- T. Rowe Price added2025-11-14+3,169,005 shares · 2025Q313F
- Bill Nygren (Harris / Oakmark) trimmed2025-11-14−36,557 shares · 2025Q313F
- +110,181 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−258,800 shares · 2025Q313F
- Jeremy Grantham (GMO) trimmed2025-11-13−972 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−1,206,395 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+473,909 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of SDA…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $0.92 | +82.6% | $237K |
| Jeremy Grantham (GMO) | 2020Q3 | $32.10 | -94.8% | $110K |
| D.E. Shaw & Co. | 2016Q1 | $32.56 | -94.8% | $47K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $33.00 | -94.9% | $392K |
| AQR Capital Management | 2016Q1 | $34.23 | -95.1% | $562K |
| Ray Dalio (Bridgewater Associates) | 2016Q3 | $35.29 | -95.2% | $22K |
| Bill Nygren (Harris / Oakmark) | 2020Q2 | $36.51 | -95.4% | $6.4M |
| Norges Bank (Norway SWF) | 2016Q1 | $40.85 | -95.9% | $6.1M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $40.98 | -95.9% | $91K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $40.98 | -95.9% | $91K |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $40.98 | -95.9% | $91K |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $41.23 | -95.9% | $7.0M |
| George Soros (Soros Fund Mgmt) | 2025Q4 | $41.43 | -95.9% | $875K |
| Mario Gabelli (GAMCO) | 2016Q1 | $42.30 | -96.0% | $143K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions5
- Paul Tudor Jones (Tudor Investment)+4,185,246$173.4M
- Norges Bank (Norway SWF)+3,619,312$149.9M
- George Soros (Soros Fund Mgmt)+520,974$21.6M
- Ken Griffin (Citadel Advisors)+152,295$6.3M
- Mario Gabelli (GAMCO)+85,400$3.5M
Added to0
—
Trimmed7
- Izzy Englander (Millennium Mgmt)−5,958,328$246.9M
- Bill Nygren (Harris / Oakmark)−1,499,005$62.1M
- AQR Capital Management−198,085$8.2M
- Ray Dalio (Bridgewater Associates)−96,974$4.0M
- Jeremy Grantham (GMO)−42,379$1.8M
- T. Rowe Price−3,138,011$130K
- D.E. Shaw & Co.−1,586$66K
Exited1
- Renaissance Technologies−277,100$9.8M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $102.16B |
| 2022Q2 | 15 | $85.64B |
| 2022Q3 | 15 | $67.3M |
| 2022Q4 | 15 | $1.38B |
| 2023Q1 | 15 | $1.44B |
| 2023Q2 | 20 | $1.46B |
| 2023Q3 | 21 | $1.32B |
| 2023Q4 | 16 | $1.54B |
| 2024Q1 | 15 | $1.57B |
| 2024Q2 | 19 | $1.46B |
| 2024Q3 | 19 | $519.1M |
| 2024Q4 | 15 | $369.6M |
| 2025Q1 | 11 | $275.5M |
| 2025Q2 | 13 | $333.4M |
| 2025Q3 | 12 | $471.3M |
| 2025Q4 | 14 | $543.1M |
Who owns SDA
14 super-investors · 2025Q4
Tracked stake
13.25M
shares
Combined value
$543M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New7Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Paul Tudor Jones Tudor Investment | 4.19M | $173M |
| 2 | Bill Nygren Harris / Oakmark | 3.81M | $158M |
| 3 | Norges Bank Norway SWF | 3.62M | $150M |
| 4 | George Soros Soros Fund Mgmt | 521.0K | $22M |
| 5 | AQR Capital Management | 334.4K | $14M |
| 6 | Izzy Englander Millennium Mgmt | 233.5K | $10M |
| 7 | Ken Griffin Citadel Advisors | 152.3K | $6M |
| 8 | Mario Gabelli GAMCO | 85.4K | $4M |
| 9 | Jeremy Grantham GMO | 65.7K | $3M |
| 10 | Ken Griffin Citadel Advisors | 54.3K | $2M |
| 11 | D.E. Shaw & Co. | 27.7K | $1M |
| 12 | Ray Dalio Bridgewater Associates | 13.2K | $547K |
| 13 | Ken Griffin Citadel Advisors | 10.4K | $431K |
| 14 | T. Rowe Price | 140.9K | $6K |
Recent moves
20 transactions
- −42,379 · 2025Q4
- +152,295 · 2025Q4
- TRIMD.E. Shaw & Co.−1,586 · 2025Q4
- −1,499,005 · 2025Q4
- −198,085 · 2025Q4
- TRIMT. Rowe Price−3,138,011 · 2025Q4
- +4,185,246 · 2025Q4
- −5,958,328 · 2025Q4
- −96,974 · 2025Q4
- +520,974 · 2025Q4
- −277,100 · 2025Q4
- +3,619,312 · 2025Q4
- +85,400 · 2025Q4
- +172,150 · 2025Q3
- +3,606,314 · 2025Q3
- −29,595 · 2025Q3
- +3,384 · 2025Q3
- +3,169,005 · 2025Q3
- −36,557 · 2025Q3
- +110,181 · 2025Q3
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