Delcath Systems
Commercializing HEPZATO in the United States and CHEMOSAT in Europe for liver-directed oncology.
$16.00
After-hours close−0.33 (−2.02%)
At close$16.33(−0.37%)
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Breakdown13F · Form 4
Institutions 50.72%17.51M sharesInsiders 11.63%4.02M sharesOther 37.65%12.99M shares
Shares outstanding 34.52M · Float 28.60M · 82.9% free float
Institutions13F, as of Jun 30, 2026
129 holders · 17.51M shares · 21 new positions · 72 increased · 25 reduced · 20 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Rosalind Advisors, Inc. | 3.30M | 9.56% | 0 | Aug 14, 2026 |
| BlackRock, Inc. | 2.71M | 7.84% | +922.3K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 1.22M | 3.54% | −108.0K | Aug 13, 2026 |
| Propel Bio Management, LLC | 871.5K | 2.52% | −108.2K | Aug 13, 2026 |
| Geode Capital Management, LLC | 733.1K | 2.12% | +41.1K | Aug 12, 2026 |
| State Street Corp | 679.3K | 1.97% | +14.9K | Aug 7, 2026 |
| Algert Global LLC | 580.7K | 1.68% | +435.0K | Aug 13, 2026 |
| Millennium Management LLC | 566.4K | 1.64% | −21.7K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Rosalind Advisors, Inc. | 9.90% | 6.72M | 13D | Feb 10, 2026 ↗ |
| BlackRock, Inc. | 5.30% | 1.84M | 13G | Jul 28, 2026 ↗ |
| Daniel Kaufman | 5.08% | 1.77M | 13G | Mar 20, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Rosalind Advisors, Inc. | director | 3.41M | 9.89% | May 9, 2025 |
| Gerard J. Michel | director, officer: CHIEF EXECUTIVE OFFICER | 342.0K | 0.99% | Mar 3, 2026 |
| Vojo Vukovic | officer: CHIEF MEDICAL OFFICER | 168.9K | 0.49% | Jun 13, 2025 |
| Sandra Pennell | officer: Chief Financial Officer | 77.0K | 0.22% | Mar 6, 2026 |
| John Richard Sylvester | director | 14.9K | 0.04% | Nov 25, 2025 |
1 ten-percent owner holds 0 shares by Form 4 — the 13D/G table above shows that stake, the figure above counts officers and directors only · 36 people have not refiled in the last 18 months (5.61M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Mar 6, 2026 | Sandra Pennellofficer: Chief Financial Officer | Purchase | 5,533 | $9.04 | 77,018 |
| Mar 2, 2026 | Gerard J. Micheldirector, officer: CHIEF EXECUTIVE OFFICER | Purchase | 11,200 | $8.96 | 342,034 |
| Nov 21, 2025 | John Richard Sylvesterdirector | Purchase | 4,386 | $8.89 | 14,936 |
| Nov 11, 2025 | Gerard J. Micheldirector, officer: CHIEF EXECUTIVE OFFICER | Purchase | 11,500 | $8.53 | 330,834 |
CongressHouse and Senate disclosures
Not reported.