Tempus AI, Inc. (TEM) ownership: Top institutional holder: VANGUARD GROUP INC ($605.77M). Insider activity: Net Seller (0 buys, 20 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 10258621.00 | $605.77M | 2025-12-31 |
| ARK Investment Management LLC | 9607745.00 | $434.46M | 2026-03-31 |
| BlackRock, Inc. | 8968330.00 | $405.55M | 2026-03-31 |
| BAILLIE GIFFORD & CO | 8649356.00 | $391.12M | 2026-03-31 |
| GC Wealth Management RIA, LLC | 6611211.00 | $298.96M | 2026-03-31 |
| SOFTBANK GROUP CORP. | 5405406.00 | $244.43M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4918122.00 | $222.40M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4679057.00 | $211.59M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.