As of November 10, 2026, Delcath Systems, Inc. is a publicly traded company (Nasdaq: DCTH). The largest holder reporting an active stake on Schedule 13D is Rosalind Advisors, Inc., at 9.9%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include BlackRock (6.3%), BlackRock (5.3%), Daniel Kaufman (5.08%) (Schedule 13D/A, October 19, 2026).
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Is Delcath Systems, Inc. a real, registered company?
- Delcath Sys Inc files with the SEC under CIK 872912 (its SEC filings).
- Its shares are listed under the ticker DCTH on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Queensbury, New York, 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 DELCATH SYSTEMS, INC. in our court records and SEC 8-K records (as of 2026-11-10).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-10-27).
Who are Delcath Systems, Inc.'s owners and officers?
Delcath Systems, Inc.: incorporated in Delaware; business address in Queensbury, New York; industry Surgical & Medical Instruments & Apparatus (Schedule 13G, 2026-10-27).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2024-03-26)
- : Director (Form D, 2024-03-26)
- : Director (Form D, 2024-03-26)
- : Director (Form D, 2024-03-26)
- : Director (Form D, 2024-03-26)
- : Director (Form D, 2024-03-26)
- : Executive Officer (Form D, 2024-03-26)
- : Executive Officer (Form D, 2024-03-26)
- : Executive Officer (Form D, 2024-03-26)
- : Executive Officer (Form D, 2024-03-26)
- : Executive Officer (Form D, 2024-03-26)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-27 | Blackrock Portfolio Management LLC | 6.3% |
| Schedule 13D/A, 2026-10-19 | Rosalind Advisors, Inc. | 9.9% |
| Schedule 13G, 2026-07-28 | Blackrock, Inc. | 5.3% |
| Schedule 13G/A, 2026-04-27 | Blackrock, Inc. | 4.98% |
| Schedule 13G, 2026-03-20 | Daniel Kaufman | 5.08% |
| Schedule 13D/A, 2026-02-10 | Rosalind Advisors, Inc. | 9.9% |
| Schedule 13G, 2025-10-17 | Blackrock, Inc. | 5.01% |
Questions about who owns Delcath Systems, Inc.
Who owns Delcath Systems, Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Delcath Systems, Inc.: Rosalind Advisors, Inc. (9.9%, Schedule 13D/A, filed 2026-10-19), Blackrock Portfolio Management LLC (6.3%, Schedule 13G, filed 2026-10-27), Blackrock, Inc. (5.3%, Schedule 13G, filed 2026-07-28) and Daniel Kaufman (5.08%, Schedule 13G, filed 2026-03-20).
Who are the largest shareholders of Delcath Systems, Inc.?
By the share each holder's latest filing reports, the largest holders of Delcath Systems, Inc. on this page are Rosalind Advisors, Inc. (9.9%), Blackrock Portfolio Management LLC (6.3%) and Blackrock, Inc. (5.3%).
When did Rosalind Advisors, Inc. buy into Delcath Systems, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Rosalind Advisors, Inc. on this page is the Schedule 13D/A, filed 2026-02-10, reporting 9.9%; its latest, Schedule 13D/A filed 2026-10-19, reports 9.9%. 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%); 7 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 Delcath Systems, Inc. covers
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What They Do, And How The Money Works
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Which insiders own Delcath Systems, 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 director: 3,389,593 shares (9.7% of shares outstanding), held indirectly through By Rosalind Advisors Inc., the advisor to the Rosalind Funds, on a joint filing (Form 4, 2026-10-14).
- , a director: 3,389,593 shares (9.7% of shares outstanding), held indirectly through By Rosalind Advisors Inc., the advisor to the Rosalind Funds, on a joint filing (Form 4, 2026-10-14).
- Rosalind Advisors, Inc., a director: 3,389,593 shares (9.7% of shares outstanding), held indirectly through By Rosalind Advisors Inc., the advisor to the Rosalind Funds, on a joint filing (Form 4, 2026-10-14).
- , the chief executive and a director: 342,034 shares (0.98% of shares outstanding) (Form 4, 2026-03-03).
- , the chief medical officer: 168,882 shares (0.49% of shares outstanding) (Form 4, 2025-06-13).
Shares outstanding: 34,788,068 as of 2026-10-30, from the company's latest SEC cover page.
How much has Delcath Systems, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2024-03-26 | $7M | $7M |
| Form D, 2023-03-31 | $25M | $25M |
| Form D, 2022-12-16 | $3.81M | $3.81M |
Keep reading
More on Delcath Systems, Inc. and the records around it.
Delcath Systems, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- Daniel Kaufman also filed stake reports on 6 other companies: AUNA S.A. (May 2026), ABEONA THERAPEUTICS INC. (Mar 2026), i-80 Gold Corp. (Jan 2026)
- Rosalind Advisors, Inc. also filed stake reports on 11 other companies: FEMASYS INC (Aug 2026), FENNEC PHARMACEUTICALS INC. (Aug 2026), REGENTIS BIOMATERIALS LTD. (Aug 2026)
- BlackRock Portfolio Management LLC also filed stake reports on 118 other companies: AMERISAFE INC (Nov 2026), BlackRock ETF Trust (Nov 2026), iShares J.P. Morgan EM Local Currency Bond ETF (Nov 2026)
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