The largest holder of Tenet Healthcare stock is BlackRock Advisors LLC, with 8.2 million shares (10.18% of the company), worth about $2.18 billion as of September 25, 2026. The 10 largest holders together own 51.3%.
In Q2 2026, 726 institutional holdings reports listed shares worth $15.60 billion.
Insiders reported 74 transactions in the last two years: 25 sales worth $47.70 million and no purchases. The newest one on file is from March 11, 2026 (Arbour Paola M, Chief Technology Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through March 11, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 8.2 million | 10.18% | $2.2B |
| T. Rowe Price International Ltd. | 8.0 million | 9.88% | $2.1B |
| Boston Partners Global Investors, Inc. | 4.4 million | 5.51% | $1.2B |
| Vanguard Portfolio Management LLC | 4.2 million | 5.26% | $1.1B |
| Fidelity Management & Research Co. LLC | 4.0 million | 4.95% | $1.1B |
| Vanguard Capital Management LLC | 3.9 million | 4.84% | $1.0B |
| State Street Corporation | 2.8 million | 3.42% | $732.0M |
| Glenview Capital Management LLC | 2.2 million | 2.78% | $594.0M |
| Geode Capital Management LLC | 1.9 million | 2.34% | $501.0M |
| Citadel Advisors LLC (13f Subfiler) | 1.8 million | 2.19% | $469.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 726 | – | $15.6B |
| Q1 2026 | 739 | 82.0 million | $15.5B |
| Q4 2025 | 759 | – | $16.9B |
| Q3 2025 | 736 | 84.0 million | $17.1B |
| Q2 2025 | 681 | 87.5 million | $15.4B |
| Q1 2025 | 621 | 89.6 million | $12.1B |
| Q4 2024 | 640 | 91.1 million | $11.5B |
| Q3 2024 | 655 | 89.5 million | $14.9B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Arbour Paola M | Mar 11, 2026 | Chief Technology Officer | Sale at price 238.43 per share. | $1.5M |
| Arnst Thomas W | Mar 9, 2026 | General Counsel | Sale at price 238.42 - 239.46 per share. | $1.9M |
| Arnst Thomas W | Mar 2, 2026 | General Counsel | Sale at price 234.04 per share. | $5.6M |
| Ramsey R Scott | Mar 2, 2026 | Officer | Sale at price 230.98 - 233.69 per share. | $1.9M |
| Foo Lisa Y | Feb 27, 2026 | Chief Operating Officer | -- | – |
| Ramsey R Scott | Feb 27, 2026 | Officer | -- | – |
| Park Sun | Feb 27, 2026 | Chief Financial Officer | -- | – |
| Sutaria Saumya | Feb 27, 2026 | Chief Executive Officer | -- | – |
| Arbour Paola M | Feb 27, 2026 | Chief Technology Officer | -- | – |
| Arnst Thomas W | Feb 27, 2026 | General Counsel | -- | – |
| Ramsey R Scott | Feb 24, 2026 | Officer | -- | – |
| Park Sun | Feb 24, 2026 | Chief Financial Officer | -- | – |
Newest 12 of 74 insider transactions in the last two years.
BlackRock Advisors LLC, with 10.18% of the company (as of September 25, 2026). Next: T. Rowe Price International Ltd. (9.88%) and Boston Partners Global Investors, Inc. (5.51%).
726 institutional holdings reports listed Tenet Healthcare shares in Q2 2026 worth $15.60 billion.
In the last two years insiders reported 25 sales and no purchases (74 transactions in all); the newest on file is from March 11, 2026.