As of November 6, 2026, SES AI Corp is a publicly traded company (NYSE: SES); its largest reported holder is Tianqi Lithium HK Co., Ltd., with 7.8% on Schedule 13G/A of January 21, 2026, then BlackRock (5.8%). The largest insider holding is SK Inc., a 10% owner, with 31,843,210 shares, per Form 4 of December 19, 2024 (Schedule 13G/A, January 21, 2026).
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Is SES AI Corp a real, registered company?
- SES AI Corp files with the SEC under CIK 1819142 (its SEC filings).
- Its shares are listed under the ticker SES on NYSE (also SESCW) (SEC company record).
- business address in Woburn, Massachusetts, 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 SES AI CORP in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Paul Diemer, Director (Form 8-K filed 2026-08-11). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-07-30).
Who are SES AI Corp's owners and officers?
SES AI Corp: business address in Woburn, Massachusetts; industry Miscellaneous Electrical Machinery, Equipment & Supplies (Form D, 2026-08-11).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-07-30 | Blackrock, Inc. | 5.8% |
| Schedule 13G/A, 2026-01-21 | Tianqi Lithium Hk Co., LTD. | 7.8% |
| Schedule 13G/A, 2025-11-10 | Temasek Holdings (Private) Limited | 1% |
Questions about who owns SES AI Corp
Who owns SES AI Corp?
On this page, 2 holders' latest ownership filings report 5% or more of SES AI Corp: Tianqi Lithium Hk Co., LTD. (7.8%, Schedule 13G/A, filed 2026-01-21) and Blackrock, Inc. (5.8%, Schedule 13G, filed 2026-07-30).
Who are the largest shareholders of SES AI Corp?
By the share each holder's latest filing reports, the largest holders of SES AI Corp on this page are Tianqi Lithium Hk Co., LTD. (7.8%) and Blackrock, Inc. (5.8%).
When did Tianqi Lithium Hk Co., LTD. buy into SES AI Corp?
The filings give report dates, not purchase dates. The earliest filing from Tianqi Lithium Hk Co., LTD. on this page is the Schedule 13G/A, filed 2026-01-21, reporting 7.8%. 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%); 3 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 SES AI Corp covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-11 | Paul Diemer | Director | appointed |
Which insiders own SES AI Corp 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.
- SK Inc., a 10% owner: 31,843,210 shares (Form 4, 2024-12-19).
- General Motors Holdings LLC, a 10% owner: 9,843,622 shares, on a joint filing (Form 4, 2024-11-19).
- General Motors Ventures LLC, a 10% owner: 9,843,622 shares, on a joint filing (Form 4, 2024-11-19).
- General Motors Co, a 10% owner: 9,843,622 shares, on a joint filing (Form 4, 2024-11-19).
- , the chairman and chief executive: 5,449,607 shares (Form 4, 2026-05-20).
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 SES AI Corp raised?
No fundraising or offering filing from SES AI Corp is on file with us.
Keep reading
More on SES AI Corp and the records around it.
SES AI Corp elsewhere on the record
- Leadership changes Aug 2026
- 5%+ stake filings Jul 2026
Companies that share a holder
- Temasek Holdings (Private) Limited also filed stake reports on 8 other companies: Pasqal Holding SA (Oct 2026), Flywire Corporation (Jul 2026), Amber International Holding Limited (Jun 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/ses-ai