Delcath Systems, Inc.
DCTH- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000872912
No open-market purchases or sales by Delcath Systems, Inc. insiders were filed in the last 90 days; 119 institutions reported holding it in 13F filings for Q2 2026, worth $219.2M in total; no superinvestor holds it.
Holders of 5% or more of DCTH
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Delcath Systems, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Rosalind Advisors, Inc. | 13D/A | 9.90%6.72M shares | 0.00 ppfrom 9.90% | Jan 27, 20253 filings | Feb 10, 2026 | SEC |
| Kaufman Daniel Louis | 13G | 5.08%1.77M shares | New | Mar 20, 20261 filing | Mar 20, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on Delcath Systems, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 27, 20264:12 PM ET | BlackRock, Inc. | 13G/A | 4.98%1.73M shares | −0.03 ppfrom 5.01%Below 5% | Mar 31, 2026 | SEC |
| Mar 20, 20261:24 PM ET | Kaufman Daniel Louis | 13G | 5.08%1.77M shares | New | Mar 18, 2026 | SEC |
| Feb 10, 20262:41 PM ET | Rosalind Advisors, Inc.and 4 others | 13D/A | 9.90%6.72M shares | 0.00 ppfrom 9.90% | Dec 31, 2025 | SEC |
| Oct 17, 20256:05 PM ET | BlackRock, Inc. | 13G | 5.01%1.75M shares | New | Sep 30, 2025 | SEC |
| May 15, 20258:33 AM ET | Vivo Opportunity Fund Holdings, L.P.and 1 other | 13G/A | 2.20%750.2K shares | –Below 5% | Mar 31, 2025 | SEC |
| May 12, 20251:15 PM ET | Rosalind Advisors, Inc.and 4 others | 13D/A | 9.90%6.67M shares | 0.00 ppfrom 9.90% | May 5, 2025 | SEC |
| Jan 27, 20254:02 PM ET | Rosalind Advisors, Inc.and 4 others | 13D/A | 9.90%6.66M shares | – | Dec 23, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Delcath Systems, Inc. shares.
No Form 144 notices for Delcath Systems, Inc. are on file.