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Delcath Systems
DCTH

121 hedge funds and large institutions have $152M invested in Delcath Systems in 2026 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 37 increasing their positions, 36 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

17% more first-time investments, than exits

New positions opened: 27 | Existing positions closed: 23

2% more funds holding

Funds holding: 119 → 121 (+2)

7% more call options, than puts

Call options by funds: $2.71M | Put options by funds: $2.53M

3% more repeat investments, than reductions

Existing positions increased: 37 | Existing positions reduced: 36

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

1.53% less ownership

Funds ownership: 48.5% → 46.97% (-1.5%)

12% less capital invested

Capital invested by funds: $173M → $152M (-$21.1M)

Holders
121
Holders Change
+2
Holders Change %
+1.68%
% of All Funds
1.49%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
27
Increased
37
Reduced
36
Closed
23
Calls
$2.71M
Puts
$2.53M
Net Calls
+$185K
Net Calls Change
+$1.93M

Top Buyers

1
PBM
Propel Bio Management
California
+$5.24M
2
Millennium Management
Millennium Management
New York
+$3.31M
3
PWAC
Private Wealth Advisors (California)
California
+$2.92M
4
Marshall Wace
Marshall Wace
United Kingdom
+$1.62M
5
JFG
Jefferies Financial Group
New York
+$813K

Top Sellers

1
ECM
ExodusPoint Capital Management
New York
-$4.46M
2
Goldman Sachs
Goldman Sachs
New York
-$2.89M
3
Citadel Advisors
Citadel Advisors
Florida
-$2.82M
4
PIP
Palisades Investment Partners
California
-$2.45M
5
Renaissance Technologies
Renaissance Technologies
New York
-$2M
Name Holding Trade Value Shares
Change 		Change in
Stake
RA
1
Rosalind Advisors
Ontario, Canada
$30.6M – – –
BlackRock
2
BlackRock
New York
$16.6M -$393K -40,620 -2%
VCM
3
Vanguard Capital Management
Pennsylvania
$12.3M +$12.9M +1,329,288 New
PBM
4
Propel Bio Management
California
$9.16M +$5.24M +541,189 +123%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$6.42M +$89.1K +9,202 +1%
State Street
6
State Street
Massachusetts
$6.17M +$546K +56,420 +9%
PWAC
7
Private Wealth Advisors (California)
California
$5.49M +$2.92M +301,043 +104%
Millennium Management
8
Millennium Management
New York
$5.46M +$3.31M +341,611 +139%
DSCM
9
Divisadero Street Capital Management
Florida
$4.64M – – –
IC
10
Ikarian Capital
Texas
$4M – – –
Morgan Stanley
11
Morgan Stanley
New York
$3.58M +$746K +76,974 +25%
Goldman Sachs
12
Goldman Sachs
New York
$2.68M -$2.89M -298,547 -51%
SAM
13
Simplify Asset Management
Nevada
$2.42M – – –
Northern Trust
14
Northern Trust
Illinois
$2.34M +$109K +11,259 +5%
ACM
15
ADAR1 Capital Management
Texas
$2.08M – – –
KCM
16
Kennedy Capital Management
Missouri
$1.93M +$50.1K +5,171 +3%
LG
17
Lane Generational
Massachusetts
$1.9M +$71.7K +7,402 +4%
VFT
18
Vanguard Fiduciary Trust
Pennsylvania
$1.87M +$1.95M +201,824 New
RA
19
Royce & Associates
New York
$1.81M +$387K +40,000 +26%
Marshall Wace
20
Marshall Wace
United Kingdom
$1.78M +$1.62M +167,288 +687%
CIBC World Market
21
CIBC World Market
Ontario, Canada
$1.76M +$299K +30,827 +19%
VPM
22
Vanguard Portfolio Management
Pennsylvania
$1.65M +$1.72M +178,036 New
DC
23
Diametric Capital
Massachusetts
$1.45M -$617K -63,701 -29%
Renaissance Technologies
24
Renaissance Technologies
New York
$1.44M -$2M -206,299 -57%
AG
25
Algert Global
California
$1.35M -$250K -25,862 -15%
1
2 3 4 5

DCTH Hedge Fund Activity: Q1 2026 in Review

121 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Delcath Systems (DCTH) for Q1 2026, worth a combined $152M — down 12% from $173M a quarter earlier.

Buyers outnumbered sellers: 27 funds opened new DCTH positions and 23 closed out — a net gain of 4 holders — while 37 added to existing stakes and 36 trimmed.

The largest buyer was Propel Bio Management, adding an estimated $5.24M. The largest seller was ExodusPoint Capital Management, cutting an estimated $4.46M.

  • 121 institutional investors held Delcath Systems (DCTH) as of Q1 2026, up from 119 in Q4 2025.
  • Funds reported $152M of Delcath Systems stock for Q1 2026, down 12% quarter-over-quarter.
  • 27 funds opened new Delcath Systems positions in Q1 2026 and 23 closed out, a net change of +4 holders.
  • The largest Delcath Systems buyer in Q1 2026 was Propel Bio Management, an estimated $5.24M added.
  • The largest Delcath Systems seller in Q1 2026 was ExodusPoint Capital Management, an estimated $4.46M sold.

Based on aggregated 13F filings for Q1 2026.