STMicroelectronics N.v. (STM) Major Shareholders
STMicroelectronics shareholders at a glance
The largest holder of STMicroelectronics stock is STMicroelectronics Holding NV, with 250.7 million shares (27.51% of the company) as of September 25, 2026. The 10 largest holders together own 35.0%.
In Q2 2026, 674 institutional holdings reports listed 170.0 million shares worth $12.70 billion.
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026).
STMicroelectronics N.v.
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest STMicroelectronics shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| STMicroelectronics Holding NV | 250.7 million | 27.51% | – |
| Stmicroelectronics N.V. | 22.5 million | 2.47% | – |
| BlackRock Fund Advisors | 19.5 million | 2.15% | – |
| BlackRock Advisors (UK) Ltd. | 9.7 million | 1.06% | – |
| Société Générale Gestion SA | 3.4 million | 0.38% | – |
| SociéTé GéNéRale | 3.3 million | 0.36% | – |
| OFI Invest Asset Management SA | 3.2 million | 0.36% | – |
| Mediolanum Gestione Fondi SGRpA | 3.0 million | 0.33% | – |
| BlackRock Investment Management (UK) Ltd. | 2.6 million | 0.29% | – |
| Financière de l'Échiquier SA | 1.3 million | 0.14% | – |
As of September 25, 2026.
STMicroelectronics institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 674 | 170.0 million | $12.7B |
| Q1 2026 | 450 | 108.0 million | $3.7B |
| Q4 2025 | 366 | 90.5 million | $2.4B |
| Q3 2025 | 369 | 88.4 million | $2.5B |
| Q2 2025 | 392 | 89.2 million | $2.7B |
| Q1 2025 | 335 | 96.6 million | $2.1B |
| Q4 2024 | 362 | 79.5 million | $2.0B |
| Q3 2024 | 374 | 75.2 million | $2.2B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Questions and answers
Who owns the most STMicroelectronics stock?
STMicroelectronics Holding NV, with 27.51% of the company (as of September 25, 2026). Next: Stmicroelectronics N.V. (2.47%) and BlackRock Fund Advisors (2.15%).
How many institutions own STMicroelectronics stock?
674 institutional holdings reports listed STMicroelectronics shares in Q2 2026, 170.0 million shares in all worth $12.70 billion.
