Tempus AI, Inc. (TEM)
Who owns Tempus AI, Inc. (TEM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 65.5% of the shares are freely tradable; institutional investors hold 57.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 5.71 | 10,258,621 | +8.7 | 12/31/2025 |
| ARK Investment Management LLC | 5.35 | 9,607,745 | +27.1 | 03/31/2026 |
| BlackRock Inc | 4.99 | 8,968,330 | +19.3 | 03/31/2026 |
| Baillie Gifford & Co Limited. | 4.82 | 8,649,356 | -1.1 | 03/31/2026 |
| Catalytic Wealth RIA LLC | 3.68 | 6,611,211 | -2.2 | 03/31/2026 |
| SoftBank Group Corp | 3.01 | 5,405,406 | +0.0 | 03/31/2026 |
| JPMorgan Chase & Co | 2.75 | 4,933,193 | +0.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.74 | 4,918,122 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Innovation ETF | 3.84 | 6,887,424 | +2.3 | 05/31/2026 |
| ARK Disruptive Innovation Full Composite | 3.60 | 6,458,569 | +27.2 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 29. Jul 2026 | Rogers James William | Chief Financial Officer | Other | 40,000 | 0.00 | – |
| 29. Jul 2026 | Polovin Andrew | EVP, Chief Legal Officer | Other | 40,000 | 0.00 | – |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 5,324 | 42.95 | 228,666 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 26,875 | 42.36 | 1,138,425 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 17,801 | 41.34 | 735,893 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 798 | 42.95 | 34,274 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 4,031 | 42.36 | 170,753 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 2,671 | 41.34 | 110,419 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 14,374 | 42.95 | 617,363 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 72,560 | 42.36 | 3,073,642 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 48,066 | 41.34 | 1,987,048 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 6,122 | 42.95 | 262,940 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 30,906 | 42.36 | 1,309,178 |
| 28. Jul 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 20,472 | 41.34 | 846,312 |
| 6. Jul 2026 | Fukushima Ryan | CEO, Data | Sell | 10,000 | 60.00 | 600,000 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.