Ticker · CUSIP 682189105

ON

ON SEMICONDUCTOR CORP
···Share
Holders (tracked)
25
Combined shares
27,737,280
Combined value
$1.42B
Last close
$79.93
Quarter
2025Q4
Tracked holders · last 8 quarters
+7 vs previous quarter over the last 8.
25202024Q12025Q4
Price is +56.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

28 events
  1. +157,400 shares · 2025Q4
    13F
  2. +145,545 shares · 2025Q4
    13F
  3. +1,324,167 shares · 2025Q4
    13F
  4. +536,260 shares · 2025Q4
    13F
  5. −27,184 shares · 2025Q4
    13F
  6. −1,387 shares · 2025Q4
    13F
  7. +243,615 shares · 2025Q4
    13F
  8. +94,780 shares · 2025Q4
    13F
  9. +321,900 shares · 2025Q4
    13F
  10. +215,350 shares · 2025Q4
    13F
  11. −1,379 shares · 2025Q4
    13F
  12. +58,010 shares · 2025Q4
    13F
  13. −1,058,836 shares · 2025Q4
    13F
  14. +6,110,525 shares · 2025Q4
    13F
  15. −339,086 shares · 2025Q4
    13F
  16. −4,722 shares · 2025Q3
    13F
  17. −17,827 shares · 2025Q3
    13F
  18. +1,301,599 shares · 2025Q3
    13F
  19. +3,240,375 shares · 2025Q3
    13F
  20. +562,484 shares · 2025Q3
    13F
  21. −16,323 shares · 2025Q3
    13F
  22. −203,315 shares · 2025Q3
    13F
  23. −174,191 shares · 2025Q3
    13F
  24. −4,366,244 shares · 2025Q3
    13F
  25. +683,836 shares · 2025Q3
    13F
  26. −39,624 shares · 2025Q3
    13F
  27. −194,977 shares · 2024Q3
    13F
  28. −271,175 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ON…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Stanley Druckenmiller (Duquesne)2025Q4$0.05+147510.9%$42.9M
T. Rowe Price2016Q1$0.50+15825.9%$75.9M
Baillie Gifford & Co2020Q4$40.69+96.4%$377.7M
Renaissance Technologies2016Q1$44.42+79.9%$44.0M
AQR Capital Management2016Q1$50.92+57.0%$17.8M
Wellington Management2016Q1$51.94+53.9%$2.7M
Ken Griffin (Citadel Advisors)2016Q1$53.01+50.8%$123.0M
Ken Griffin (Citadel Advisors)2016Q1$53.01+50.8%$123.0M
Ken Griffin (Citadel Advisors)2016Q1$53.01+50.8%$123.0M
Paul Tudor Jones (Tudor Investment)2016Q1$53.25+50.1%$8.5M
Paul Tudor Jones (Tudor Investment)2016Q1$53.25+50.1%$8.5M
Izzy Englander (Millennium Mgmt)2016Q1$53.59+49.2%$52.5M
Izzy Englander (Millennium Mgmt)2016Q1$53.59+49.2%$52.5M
Izzy Englander (Millennium Mgmt)2016Q1$53.59+49.2%$52.5M
D.E. Shaw & Co.2016Q1$53.81+48.5%$36.6M
D.E. Shaw & Co.2016Q1$53.81+48.5%$36.6M
D.E. Shaw & Co.2016Q1$53.81+48.5%$36.6M
Steve Cohen (Point72)2016Q1$54.06+47.9%$16.1M
Steve Cohen (Point72)2016Q1$54.06+47.9%$16.1M
Two Sigma Investments2016Q1$54.13+47.6%$1.5M
Two Sigma Investments2016Q1$54.13+47.6%$1.5M
Two Sigma Investments2016Q1$54.13+47.6%$1.5M
Jeremy Grantham (GMO)2017Q4$71.05+12.5%$45.0M
Ray Dalio (Bridgewater Associates)2019Q4$72.75+9.9%$4.6M
Norges Bank (Norway SWF)2016Q1$425.48-81.2%$488.4M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
Added to6
Trimmed5
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
20
$352.38B
2022Q2
21
$237.21B
2022Q3
22
$282.4M
2022Q4
22
$4.05B
2023Q1
24
$5.69B
2023Q2
22
$6.33B
2023Q3
23
$5.17B
2023Q4
18
$4.49B
2024Q1
20
$3.98B
2024Q2
23
$4.40B
2024Q3
21
$1.48B
2024Q4
19
$1.07B
2025Q1
18
$676.3M
2025Q2
23
$1.04B
2025Q3
18
$962.7M
2025Q4
25
$1.42B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-04-01Julie JohnsonSell$1K – $15KPDF ↗
2025-02-25Rob BresnahanSell$1K – $15KPDF ↗
2025-02-12Julie JohnsonBuy$1K – $15KPDF ↗
2025-02-11Rob BresnahanSell$1K – $15KPDF ↗

Who owns ON

25 super-investors · 2025Q4
Tracked stake
27.74M
shares
Combined value
$1.42B
% of shares outstanding
shares-out unknown
Quarter action mix
New5Added15Trim5
#ManagerSharesValue
1Norges Bank
Norway SWF
6.11M$331M
2Baillie Gifford & Co4.73M$256M
3Two Sigma Investments3.99M$216M
4Izzy Englander
Millennium Mgmt
2.35M$127M
5D.E. Shaw & Co.1.92M$104M
6Ken Griffin
Citadel Advisors
1.54M$83M
7Ken Griffin
Citadel Advisors
1.18M$64M
8Izzy Englander
Millennium Mgmt
819.5K$44M
9Izzy Englander
Millennium Mgmt
657.4K$36M
10Jeremy Grantham
GMO
563.5K$31M
11Renaissance Technologies550.9K$30M
12D.E. Shaw & Co.458.5K$25M
13Ken Griffin
Citadel Advisors
384.1K$21M
14AQR Capital Management222.4K$12M
15Steve Cohen
Point72
201.8K$11M
16D.E. Shaw & Co.148.3K$8M
17Steve Cohen
Point72
143.1K$8M
18Paul Tudor Jones
Tudor Investment
105.8K$6M
19Ray Dalio
Bridgewater Associates
58.0K$3M
20Paul Tudor Jones
Tudor Investment
51.6K$3M
21Wellington Management33.7K$2M
22Two Sigma Investments18.3K$991K
23Two Sigma Investments14.4K$780K
24T. Rowe Price949.4K$51K
25Stanley Druckenmiller
Duquesne
536.3K$29K

Recent moves

20 transactions
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