Ticker · CUSIP 842587107
Holders (tracked)
22
Combined shares
55,644,033
Combined value
$4.85B
Last close
$94.51
Quarter
2025Q4
Price · 1Y$94.51+5.62 (+6.32%)H $99.11 · L $82.21 · Avg Vol 5.5M
Congress buyCongress sell
$85.00$90.00$95.00$100.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
22192024Q12025Q4
Price is +8.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

26 events
  1. +652,260 shares · 2025Q4
    Position
  2. −311,454 shares · 2025Q4
    Position
  3. +29,995 shares · 2025Q4
    Position
  4. −156,359 shares · 2025Q4
    Position
  5. +136,602 shares · 2025Q4
    Position
  6. −1,017,455 shares · 2025Q4
    Position
  7. −165,226 shares · 2025Q4
    Position
  8. −5,600 shares · 2025Q4
    Position
  9. +5,436,212 shares · 2025Q4
    Position
  10. +34,969 shares · 2025Q4
    Position
  11. +1,513,400 shares · 2025Q4
    Position
  12. +12,745,981 shares · 2025Q4
    Position
  13. −856 shares · 2025Q4
    Position
  14. +1,888 shares · 2025Q4
    Position
  15. +186,215 shares · 2025Q3
    Position
  16. −43,810 shares · 2025Q3
    Position
  17. +95,144 shares · 2025Q3
    Position
  18. −1,191,902 shares · 2025Q3
    Position
  19. +1,017,455 shares · 2025Q3
    Position
  20. +11,496,694 shares · 2025Q3
    Position
  21. −1,542 shares · 2025Q3
    Position
  22. −12,846,730 shares · 2025Q3
    Position
  23. +300 shares · 2025Q3
    Position
  24. +271,098 shares · 2024Q3
    Position
  25. −2,417 shares · 2025Q3
    Position
  26. +130,758 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of SO…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Wellington Management2016Q1$69.92+35.2%$349.8M
Ken Fisher (Fisher Asset Mgmt)2016Q1$70.26+34.5%$11.3M
Ray Dalio (Bridgewater Associates)2016Q1$71.45+32.3%$3.3M
T. Rowe Price2016Q1$78.30+20.7%$3.26B
AQR Capital Management2016Q1$79.96+18.2%$22.4M
Renaissance Technologies2016Q1$86.69+9.0%$143.0M
Paul Tudor Jones (Tudor Investment)2016Q1$87.36+8.2%$12.9M
Paul Tudor Jones (Tudor Investment)2016Q1$87.36+8.2%$12.9M
Paul Tudor Jones (Tudor Investment)2016Q1$87.36+8.2%$12.9M
Izzy Englander (Millennium Mgmt)2016Q1$87.42+8.1%$4.6M
Izzy Englander (Millennium Mgmt)2016Q1$87.42+8.1%$4.6M
Izzy Englander (Millennium Mgmt)2016Q1$87.42+8.1%$4.6M
D.E. Shaw & Co.2016Q1$87.75+7.7%$31.2M
D.E. Shaw & Co.2016Q1$87.75+7.7%$31.2M
Steve Cohen (Point72)2017Q3$88.73+6.5%$6.8M
Steve Cohen (Point72)2017Q3$88.73+6.5%$6.8M
Ken Griffin (Citadel Advisors)2016Q1$88.95+6.2%$37.1M
Ken Griffin (Citadel Advisors)2016Q1$88.95+6.2%$37.1M
Ken Griffin (Citadel Advisors)2016Q1$88.95+6.2%$37.1M
Jeremy Grantham (GMO)2024Q3$89.44+5.7%$1.3M
Baillie Gifford & Co2024Q1$91.71+3.1%$14.6M
Norges Bank (Norway SWF)2016Q1$1045.52-91.0%$1.20B

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
Added to4
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
20
$309.38B
2022Q2
23
$260.11B
2022Q3
23
$10.53B
2022Q4
20
$11.14B
2023Q1
18
$11.08B
2023Q2
19
$10.06B
2023Q3
18
$8.02B
2023Q4
17
$8.35B
2024Q1
19
$8.51B
2024Q2
20
$8.85B
2024Q3
20
$3.27B
2024Q4
21
$2.47B
2025Q1
19
$2.15B
2025Q2
20
$3.63B
2025Q3
18
$3.47B
2025Q4
22
$4.85B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-12-02Jared MoskowitzBuy$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-08-28Marjorie Taylor GreeneBuy$1K – $15KPDF ↗
2025-04-07Jared MoskowitzBuy$1K – $15KPDF ↗
2025-04-03Marjorie Taylor GreeneBuy$1K – $15KPDF ↗
2024-10-29Valerie HoyleBuy$1K – $15KPDF ↗

Who owns SO

22 super-investors · 2025Q4
Tracked stake
55.64M
shares
Combined value
$4.85B
% of shares outstanding
shares-out unknown
Quarter action mix
New6Added5Trim8Sold2Held1
#ManagerSharesValue
1T. Rowe Price34.46M$3.00B
2Norges Bank
Norway SWF
12.75M$1.11B
3Wellington Management3.70M$323M
4Renaissance Technologies1.51M$132M
5Ken Griffin
Citadel Advisors
707.5K$62M
6Ken Griffin
Citadel Advisors
392.1K$34M
7Ken Griffin
Citadel Advisors
391.7K$34M
8D.E. Shaw & Co.330.4K$29M
9AQR Capital Management237.0K$21M
10Izzy Englander
Millennium Mgmt
202.7K$18M
11Steve Cohen
Point72
172.4K$15M
12Baillie Gifford & Co154.6K$13M
13Paul Tudor Jones
Tudor Investment
136.6K$12M
14Ken Fisher
Fisher Asset Mgmt
119.1K$10M
15Paul Tudor Jones
Tudor Investment
89.1K$8M
16Steve Cohen
Point72
72.3K$6M
17D.E. Shaw & Co.60.9K$5M
18Izzy Englander
Millennium Mgmt
49.1K$4M
19Paul Tudor Jones
Tudor Investment
44.3K$4M
20Ray Dalio
Bridgewater Associates
35.0K$3M
21Izzy Englander
Millennium Mgmt
15.8K$1M
22Jeremy Grantham
GMO
13.5K$1M

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live SO chart.
<iframe src="https://openstocks.me/embed/stocks/SO" width="100%" height="480" frameborder="0" loading="lazy" title="SO chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Explore related topics