As of November 7, 2026, Tempus AI, Inc. is a publicly traded company (Nasdaq: TEM); its largest reported holder is Baillie Gifford, with 5% on Schedule 13G/A of May 7, 2026. The largest insider holding is Blue Media, LLC, a 10% owner, with 41,274,873 shares, per Form 4 of February 27, 2025. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13G/A, May 7, 2026).
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Is Tempus AI, Inc. a real, registered company?
- Tempus AI, Inc. files with the SEC under CIK 1717115 (its SEC filings).
- Its shares are listed under the ticker TEM on Nasdaq (SEC company record).
- Incorporated in Nevada; business address in Chicago, Illinois, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Tempus Labs, Inc. in our court records and SEC 8-K records (as of 2026-11-07).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Baillie Gifford (filed 2026-05-07).
Who are Tempus AI, Inc.'s owners and officers?
Tempus AI, Inc.: incorporated in Nevada; business address in Chicago, Illinois; industry Services-Computer Programming, Data Processing, Etc. (Schedule 13G/A, 2026-11-06).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Director (Form D, 2022-10-17)
- : Executive Officer (Form D, 2022-10-17)
- : Executive Officer (Form D, 2022-10-17)
- : Executive Officer (Form D, 2022-10-17)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-06 | Ark Investment Management LLC | 4.91% |
| Schedule 13G/A, 2026-10-28 | Bradley A. Keywell | 3.46% |
| Schedule 13G/A, 2026-05-07 | Baillie Gifford & Co | 5% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G, 2026-03-06 | Ark Investment Management LLC | 5.44% |
| Schedule 13G/A, 2026-02-10 | Eric Paul Lefkofsky | 24% |
| Schedule 13G/A, 2025-11-13 | Red Sky Ventures LLC | 4.7% |
| Schedule 13G/A, 2025-11-12 | Baillie Gifford & Co | 5.8% |
| Schedule 13G, 2025-10-31 | The Vanguard Group | 5.59% |
Questions about who owns Tempus AI, Inc.
Who owns Tempus AI, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of Tempus AI, Inc.: Eric Paul Lefkofsky (24%, Schedule 13G/A, filed 2026-02-10) and Baillie Gifford & Co (5%, Schedule 13G/A, filed 2026-05-07).
Who are the largest shareholders of Tempus AI, Inc.?
By the share each holder's latest filing reports, the largest holders of Tempus AI, Inc. on this page are Eric Paul Lefkofsky (24%) and Baillie Gifford & Co (5%).
When did Eric Paul Lefkofsky buy into Tempus AI, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Eric Paul Lefkofsky on this page is the Schedule 13G/A, filed 2026-02-10, reporting 24%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 9 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Tempus AI, Inc. covers
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What They Do, And How The Money Works
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The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
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Which insiders own Tempus AI, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , LLC, a 10% owner: 41,274,873 shares, 4,895,589 held directly and 36,379,284 indirectly, on a joint filing (Form 4, 2025-02-27).
- , the chairman and chief executive: 36,146,625 shares, 2,098,130 held directly and 34,048,495 indirectly (Form 4, 2026-10-29).
- , a 10% owner: 15,218,365 shares, held indirectly through By BK TL21 LLC (Form 4/A, 2025-01-22).
- Red Sky Ventures LLC, a 10% owner: 14,610,249 shares, held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2024-12-12).
- , a 10% owner: 14,610,249 shares, held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2024-12-12).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Tempus AI, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2022-10-17 | $10M | $10M |
Latest IPO step: Tempus AI, Inc. filed to go public (S-1, 2025-02-25).
IPO filings: S-1, 2025-02-25.
Keep reading
More on Tempus AI, Inc. and the records around it.
Tempus AI, Inc. elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- ARK Investment Management LLC also filed stake reports on 20 other companies: 10x Genomics, Inc. (Oct 2026), Twist Bioscience Corp (Sep 2026), 908 Devices Inc. (Aug 2026)
- BAILLIE GIFFORD & CO also filed stake reports on 39 other companies: QXO, Inc. (Oct 2026), Reddit, Inc. (Oct 2026), Samsara Inc. (Oct 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
Related pages
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