Delcath Systems Inc
Ownership
Ownership Structure
Who owns Delcath Systems Inc (DCTH)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 73.6% of the shares are freely tradable; institutional investors hold 48.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Rosalind Advisors, Inc. | 9.51 | 3,300,389 | +0.0 | 06/30/2026 |
| BlackRock Inc | 7.80 | 2,706,802 | +51.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.52 | 1,221,247 | -8.1 | 06/30/2026 |
| Propel Bio Management LLC | 2.51 | 871,460 | -11.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.11 | 733,115 | +5.9 | 06/30/2026 |
| State Street Corp | 1.96 | 679,280 | +2.2 | 06/30/2026 |
| Algert Global LLC | 1.67 | 580,708 | +298.5 | 06/30/2026 |
| Millennium Management LLC | 1.63 | 566,371 | -3.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.56 | 889,410 | +0.0 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.15 | 744,689 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Rosalind Advisors, Inc. | Director | 3,389,593 | 48,471,180 $ | Oct 13, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | Rosalind Advisors, Inc. | Director | Other | 27,502 | 0.00 | – |
| Oct 13, 2026 | Rosalind Advisors, Inc. | Director | Other | 3,627 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.