Delcath Systems is a medical - specialties company in the healthcare sector on NASDAQ, led by John Purpura, with a market cap of $366.2M. As of Q3 2025, 51% of shares are held by 123 institutional investors, with Rosalind Advisors, Inc. as the largest holder at 9.43%.
Overview of institutional ownership in DCTH as of Q3 2025 with a market cap of $376.0M
Based on market cap of $376.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in DCTH as of Q3 2025
| Institution | Position Value |
|---|---|
R Rosalind Advisors, Inc. Institution | $33.0M 12.52% of portfolio |
B BlackRock, Inc. Institution | $19.0M 0.00% of portfolio |
VANGUARD GROUP INC Institution | $17.8M 0.00% of portfolio |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $7.4M 0.00% of portfolio |
N Nantahala Capital Management, LLC Hedge Fund•Multi-Strategy | $7.2M 0.44% of portfolio |
STATE STREET CORP Institution | $6.7M 0.00% of portfolio |
Vivo Capital, LLC Venture Capital | $6.1M 0.49% of portfolio |
D Divisadero Street Capital Management, LP Hedge Fund•Long/Short | $5.1M 0.24% of portfolio |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $4.8M 0.00% of portfolio |
Propel Bio Management, LLC Hedge Fund•Sector | $4.7M 4.72% of portfolio |
Institutional buying and selling activity for DCTH in Q3 2025
| Institution | Net Bought |
|---|---|
N Nantahala Capital Management, LLC Hedge Fund•Multi-Strategy | +$7.2M +666.4K shares |
D Divisadero Street Capital Management, LP Hedge Fund•Long/Short | +$5.1M +476.2K shares |
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy | +$4.1M +379.6K shares |
Propel Bio Management, LLC Hedge Fund•Sector | +$2.3M +212.5K shares |
H HRT FINANCIAL LLC Institution | +$1.7M +155.1K shares |
S Simplify Asset Management Inc. Institution | +$1.7M +154.5K shares |
STATE STREET CORP Institution | +$1.6M +147.4K shares |
GOLDMAN SACHS GROUP INC Institution | +$1.3M +118.5K shares |
Ikarian Capital, LLC Hedge Fund•Event Driven | +$1.2M +108.9K shares |
SILVERARC CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | +$1.1M +100.4K shares |
| Institution | Net Sold |
|---|---|
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short | −$11.1M −812.6K shares |
OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager | −$5.7M −419.4K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$3.8M −353.9K shares |
EAM Investors, LLC Long Only Manager | −$2.9M −213.0K shares |
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy | −$2.7M −197.7K shares |
MORGAN STANLEY RIA/Wealth | −$2.2M −204.4K shares |
Marshall Wace LLP Institution | −$2.1M −194.5K shares |
J Jump Financial, LLC Institution | −$1.8M −170.1K shares |
C Cubist Systematic Strategies, LLC Institution | −$1.7M −161.0K shares |
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | −$933.8K −68.7K shares |
Institutions that initiated new positions or completely exited DCTH in Q3 2025
| Institution | Position Value |
|---|---|
N Nantahala Capital Management, LLC Hedge Fund•Multi-Strategy | $7.2M 666.4K shares |
D Divisadero Street Capital Management, LP Hedge Fund•Long/Short | $5.1M 476.2K shares |
S Skopos Labs, Inc. RIA/Wealth | $452.7K 42.1K shares |
FourThought Financial Partners, LLC RIA/Wealth | $296.0K 27.5K shares |
F FOX RUN MANAGEMENT, L.L.C. Hedge Fund•Quant | $294.2K 27.4K shares |
FRANKLIN RESOURCES INC Institution | $205.5K 19.1K shares |
Creative Planning RIA/Wealth | $167.5K 15.6K shares |
R Russell Investments Group, Ltd. RIA/Wealth | $29.1K 2.7K shares |
M MACQUARIE GROUP LTD Institution | $25.7K 2.4K shares |
S State of Alaska, Department of Revenue Institution | $21.6K 2.0K shares |
| Institution | Previous Position |
|---|---|
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short | $11.1M 812.6K shares |
OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager | $5.7M 419.4K shares |
EAM Investors, LLC Long Only Manager | $2.9M 213.0K shares |
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy | $2.7M 197.7K shares |
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | $933.8K 68.7K shares |
PRINCIPAL FINANCIAL GROUP INC Institution | $762.5K 56.1K shares |
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $638.4K 46.9K shares |
V Virtu Financial LLC Institution | $419.2K 30.8K shares |
Aristides Capital LLC Real Assets | $293.8K 21.6K shares |
OCCUDO QUANTITATIVE STRATEGIES LP Hedge Fund•Market Neutral | $261.2K 19.2K shares |
Institutions with the largest Call and Put options positions in DCTH as of Q3 2025
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $643.9K 599.0 contracts |
W WOLVERINE TRADING, LLC Institution | $479.6K 440.0 contracts |
J JANE STREET GROUP, LLC Institution | $194.6K 181.0 contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $112.9K 105.0 contracts |
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $852.5K 793.0 contracts |
J JANE STREET GROUP, LLC Institution | $646.1K 601.0 contracts |
W WOLVERINE TRADING, LLC Institution | $209.3K 192.0 contracts |
Institutions with DCTH as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
R Rosalind Advisors, Inc. Institution | 12.52% $33.0M |
Propel Bio Management, LLC Hedge Fund•Sector | 4.72% $4.7M |
Palisades Investment Partners, LLC RIA/Wealth | 1.11% $2.8M |
Ikarian Capital, LLC Hedge Fund•Event Driven | 0.94% $4.6M |
P Private Wealth Advisors, LLC RIA/Wealth | 0.63% $1.7M |
APIS CAPITAL ADVISORS, LLC Hedge Fund•Long/Short | 0.56% $2.6M |
Vivo Capital, LLC Venture Capital | 0.49% $6.1M |
N Nantahala Capital Management, LLC Hedge Fund•Multi-Strategy | 0.44% $7.2M |
Diametric Capital, LP Hedge Fund•Long/Short | 0.35% $926.9K |
SILVERARC CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short | 0.32% $2.2M |
Discover hedge funds investing in DCTH

| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $32.4M | 12.21% | |
Entertainment Communication Services | $24.1M | 9.09% | |
Unknown Unknown | $23.4M | 8.83% |
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