On Semiconductor Corp
ON- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001097864
No open-market purchases or sales by On Semiconductor Corp insiders were filed in the last 90 days; 999 institutions reported holding it in 13F filings for Q2 2026, worth $37.8B in total; superinvestors Soros Fund Management and Maverick Capital hold it.
Holders of 5% or more of ON
Holders whose latest Schedule 13D or 13G filing reports 5% or more of On Semiconductor Corp, largest stake first. The change is against the holder's previous filing.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on On Semiconductor Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 5, 202511:40 AM ET | FMR LLCand 1 other | 13G/A | 15.00%61.5M shares | +1.50 ppfrom 13.50% | Sep 30, 2025 | SEC |
| Aug 11, 20257:52 AM ET | State Street Corp | 13G | 4.60%19.4M shares | −0.50 ppfrom 5.10%Below 5% | Jun 30, 2025 | SEC |
| Aug 6, 202512:11 PM ET | FMR LLCand 1 other | 13G/A | 13.50%56.6M shares | – | Jun 30, 2025 | SEC |
| May 13, 202511:58 AM ET | State Street Corp | 13G | 5.10%21.3M shares | New | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell On Semiconductor Corp shares.
No Form 144 notices for On Semiconductor Corp are on file.