As of November 6, 2026, Cypherpunk Technologies Inc. is a publicly traded company (Nasdaq: CYPH). The largest holder reporting an active stake on Schedule 13D is Winklevoss Capital Fund, LLC, at 19.9%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Severns Sean Michael (10.59%) (Schedule 13D/A, August 19, 2026).
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Is Cypherpunk Technologies Inc. a real, registered company?
- Cypherpunk Technologies Inc. files with the SEC under CIK 1509745 (its SEC filings).
- Its shares are listed under the ticker CYPH on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Cambridge, 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 LEAP THERAPEUTICS, INC. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Amanda Fabiano, Director (Form 8-K filed 2026-09-22). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Winklevoss Capital Fund, LLC (filed 2026-08-19).
Who are Cypherpunk Technologies Inc.'s owners and officers?
Cypherpunk Technologies Inc.: incorporated in Delaware; business address in Cambridge, Massachusetts; industry Pharmaceutical Preparations (Form D, 2026-09-22).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer (Form D, 2023-03-13)
- : Executive Officer, Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Director (Form D, 2023-03-13)
- : Executive Officer (Form D, 2023-03-13)
- : Executive Officer (Form D, 2023-03-13)
- : Executive Officer (Form D, 2023-03-13)
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-08-19 | Winklevoss Capital Fund, LLC | 19.9% |
| Schedule 13G/A, 2026-02-12 | Gilead Sciences, Inc. | 0% |
| Schedule 13D/A, 2025-11-21 | Winklevoss Capital Fund, LLC | 19.9% |
| Schedule 13G, 2025-11-18 | Severns Sean Michael | 10.59% |
| Schedule 13D, 2025-10-16 | Winklevoss Capital Fund, LLC | 19.9% |
| Schedule 13G/A, 2025-08-14 | Samsara Biocapital, L.P. | 0% |
Questions about who owns Cypherpunk Technologies Inc.
Who owns Cypherpunk Technologies Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of Cypherpunk Technologies Inc.: Winklevoss Capital Fund, LLC (19.9%, Schedule 13D/A, filed 2026-08-19) and Severns Sean Michael (10.59%, Schedule 13G, filed 2025-11-18).
Who are the largest shareholders of Cypherpunk Technologies Inc.?
By the share each holder's latest filing reports, the largest holders of Cypherpunk Technologies Inc. on this page are Winklevoss Capital Fund, LLC (19.9%) and Severns Sean Michael (10.59%).
When did Winklevoss Capital Fund, LLC buy into Cypherpunk Technologies Inc.?
The filings give report dates, not purchase dates. The earliest filing from Winklevoss Capital Fund, LLC on this page is the Schedule 13D, filed 2025-10-16, reporting 19.9%; its latest, Schedule 13D/A filed 2026-08-19, reports 19.9%.
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%); 6 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 Cypherpunk Technologies Inc. covers
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What They Do, And How The Money Works
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The Money: Funding, Valuation, Runway
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-22 | Amanda Fabiano | Director | appointed |
Which insiders own Cypherpunk Technologies 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.
- , a 10% owner: 29,793,414 shares (27.6% of shares outstanding), held indirectly through By Winklevoss Treasury Investments, LLC, on a joint filing (Form 4, 2026-10-14).
- , a 10% owner: 29,793,414 shares (27.6% of shares outstanding), held indirectly through By Winklevoss Treasury Investments, LLC, on a joint filing (Form 4, 2026-10-14).
- Winklevoss Capital Fund, LLC, a 10% owner: 29,793,414 shares (27.6% of shares outstanding), held indirectly through By Winklevoss Treasury Investments, LLC, on a joint filing (Form 4, 2026-10-14).
- Winklevoss Treasury Investments, LLC, a 10% owner: 29,793,414 shares (27.6% of shares outstanding), held indirectly through By Winklevoss Treasury Investments, LLC, on a joint filing (Form 4, 2026-10-14).
- Winklevoss Capital Management, LLC, a 10% owner: 29,793,414 shares (27.6% of shares outstanding), held indirectly through By Winklevoss Treasury Investments, LLC, on a joint filing (Form 4, 2026-10-14).
Shares outstanding: 107,764,382 as of 2026-08-10, from the company's latest SEC cover page.
How much has Cypherpunk Technologies Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2023-03-13 | $77.22M | $77.22M |
Keep reading
More on Cypherpunk Technologies Inc. and the records around it.
Cypherpunk Technologies Inc. elsewhere on the record
- Leadership changes Sep 2026
- 5%+ stake filings Aug 2026
Companies that share a holder
- Winklevoss Capital Fund, LLC also filed stake reports on 2 other companies: Gemini Space Station, Inc. (May 2026), Empery Digital Inc. (May 2026)
- GILEAD SCIENCES, INC. also filed stake reports on 5 other companies: Aspen Neuroscience, Inc. (Nov 2026), Arcus Biosciences, Inc. (Aug 2026), ASSEMBLY BIOSCIENCES, INC. (May 2026)
- Samsara BioCapital, L.P. also filed stake reports on 14 other companies: PMV Pharmaceuticals, Inc. (Sep 2026), Eloxx Pharmaceuticals, Inc. (Aug 2026), RANI THERAPEUTICS HOLDINGS, INC. (May 2026)
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