Supply breakdown
Shares as of Jul 29, 2026| Category | Shares | % | Value | Status |
|---|---|---|---|---|
| Circulating | 389.31M | 100.0% | $36.81B | Estimated |
| Free float | - | - | - | Unavailable |
| Insider-held, unrestricted | - | - | - | Unavailable |
| Locked team funds | 0 | 0.0% | $0 | Unavailable |
| Other restricted | 0 | 0.0% | $0 | Unavailable |
| Total outstanding | 389.31M | 100.0% | $36.81B | Verified |
| Ownership views (overlap the categories above, never added) | ||||
| Institutional holdings (13F) | 400.94M | 103.0% | $37.90B | Estimated |
| Insider-held, all (Forms 3, 4, 5) | - | - | - | Unavailable |
Institutional and insider holdings can include both tradable and locked shares, so they are shown for reference and never added to the total. Check: circulating + locked team + other restricted = total outstanding reconciles.
Valuation
- Traditional$36.81B
- Fully diluted$38.14B
- Circulating$36.81B
- Free float-
- Locked team value$0
- Other restricted value$0
Locked and restricted shares
Not reviewed yet.
Institutional holders
| Holder | Shares | % of total |
|---|---|---|
| FMR LLC | 56.68M | 14.56% |
| BlackRock, Inc. | 40.98M | 10.53% |
| VANGUARD CAPITAL MANAGEMENT LLC | 25.62M | 6.58% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 19.64M | 5.04% |
| STATE STREET CORP | 18.56M | 4.77% |
| Jupiter Topco LLC | 13.43M | 3.45% |
| GEODE CAPITAL MANAGEMENT, LLC | 10.84M | 2.78% |
| JPMORGAN CHASE & CO | 10.13M | 2.60% |
| GOLDMAN SACHS GROUP INC | 7.88M | 2.02% |
| NORGES BANK | 7.86M | 2.02% |
Insiders
Forms 3, 4 and 5Form 4 aggregation pending
Share classes
| Class | Listing | Shares outstanding | As of |
|---|---|---|---|
| Common stock | ON on Nasdaq | 389,311,721 | Jul 29, 2026 |
Notes and sources
- ON SEMICONDUCTOR CORP 10-Q for period ended 2026-07-03, Cover page (0001097864-26-000017)
- SEC public float (non-affiliates): $23.20B as of Jul 4, 2025, from the 10-K cover. It is a dollar value at a past date, not circulating supply.