Stocks › Medical Devices › DCTH

Delcath Systems DCTH

US equityMarket cap rank #3701Medical Devices

$15.38 −$0.03 (-0.19%)

Pre-market · Oct 8, 9:10 am ET · After hours $15.38 0.00%

Open$15.27

Prev close$15.41

Day range$15.27 – $15.82

Volume263.1K

Market cap$533.67M

P/E (TTM)1,538.0

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership50.8%-1.05 pts vs. prior quarter

Institutions holding146+0 vs. prior quarter

Insider trades (recent)48 buys / 2 sellsNet buying

Short interest6.66% of floatDays to cover 6.9 · as of 15 Sep 2026

Short-sale volume share17.7%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$1.09M (6 inflow days, 14 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 29.0% of shares outstanding.

Largest holders

Rosalind Advisors, Inc.9.51%
BlackRock7.80%
Daniel Kaufman5.09%
Vanguard Capital Management, LLC4.04%
Propel Bio Management, LLC2.51%
Geode Capital Management, LLC2.11%
State Street Global Advisors1.96%
Algert Global LLC1.67%

By investor type

Mutual Fund27.48%
Hedge Fund19.60%
Individual/Insider7.55%
Public Company3.12%
Private Company0.22%
Insurance Company0.19%
VC/PE Fund0.12%
Government Pension Fund0.12%

Reported short interest has fallen from 8.31% to 6.66% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Nuveen Asset Management LLC	Insurance Company	2026/Q3	+66,453	0.2%
BlackRock	Mutual Fund	2026/Q3	+922,336	7.8%
Algert Global LLC	Hedge Fund	2026/Q3	+434,975	1.7%
ExodusPoint Capital Management, LP	Hedge Fund	2026/Q3	+323,916	1.0%
Dimensional Fund Advisors	Mutual Fund	2026/Q3	+198,505	0.6%
Propel Bio Management, LLC	Mutual Fund	2026/Q3	+152,888	2.5%
AQR Capital Management	Hedge Fund	2026/Q3	+137,942	0.5%
HSBC Global Asset Management (UK) Limited	Mutual Fund	2026/Q3	+135,600	0.4%
GuideStone Capital Management, LLC	Mutual Fund	2026/Q3	+122,700	0.4%
Leap Investments LP	Mutual Fund	2026/Q3	+87,946	0.3%
Barclays PLC	Public Company	2026/Q3	+70,233	0.3%
GSA Capital Partners LLP	Hedge Fund	2026/Q3	+69,884	0.2%
Teachers Insurance and Annuity Association-College Retirement Equities Fund	Mutual Fund	2026/Q3	+66,800	0.5%
Russell Investment Management, LLC	Mutual Fund	2026/Q3	+65,054	0.2%
Fox Run Management LLC	Hedge Fund	2026/Q3	+61,678	0.2%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
12 May 2026	Elizabeth Czerepak	Independent Director	Other Derivative Acquisition	+22,500	$11.61	22,500
12 May 2026	Steven Salamon	Independent Director	Other Derivative Acquisition	+22,500	$11.61	22,500
12 May 2026	John Sylvester	Independent Chairperson	Other Derivative Acquisition	+22,500	$11.61	22,500
12 May 2026	Gilad Aharon	Independent Director	Other Derivative Acquisition	+22,500	$11.61	22,500
12 May 2026	Bridget Martell	Director	Other Derivative Acquisition	+22,500	$11.61	22,500
5 Mar 2026	Sandra Pennell	Senior VP of Finance and Principal Financial & Accounting Officer	Open Market Acquisition	+5,533	$9.04	77,018
1 Mar 2026	Gerard Michel	Chief Executive Officer	Open Market Acquisition	+11,200	$8.96	342,034
16 Feb 2026	Gerard Michel	Chief Executive Officer	Other Derivative Acquisition	+97,500	–	97,500
16 Feb 2026	Gerard Michel	Chief Executive Officer	Other Derivative Acquisition	+195,000	$9.40	195,000
16 Feb 2026	Vojislav Vukovic	Chief Medical Officer	Other Derivative Acquisition	+28,250	–	28,250
16 Feb 2026	Vojislav Vukovic	Chief Medical Officer	Other Derivative Acquisition	+56,500	$9.40	56,500
16 Feb 2026	Sandra Pennell	Senior VP of Finance and Principal Financial & Accounting Officer	Other Derivative Acquisition	+28,250	–	28,250
16 Feb 2026	Sandra Pennell	Senior VP of Finance and Principal Financial & Accounting Officer	Other Derivative Acquisition	+56,500	$9.40	56,500
16 Feb 2026	Martha Rook	Chief Operating Officer	Other Derivative Acquisition	+28,250	–	28,250
16 Feb 2026	Martha Rook	Chief Operating Officer	Other Derivative Acquisition	+56,500	$9.40	56,500
16 Feb 2026	David Hoffman	General Counsel, Corporate Secretary & Chief Compliance Officer	Other Derivative Acquisition	+28,250	–	28,250
16 Feb 2026	David Hoffman	General Counsel, Corporate Secretary & Chief Compliance Officer	Other Derivative Acquisition	+56,500	$9.40	56,500
16 Feb 2026	Kevin Muir	Former Vice President of Commercial Operations	Other Derivative Acquisition	+28,250	–	28,250
16 Feb 2026	Kevin Muir	Former Vice President of Commercial Operations	Other Derivative Acquisition	+56,500	$9.40	56,500
20 Nov 2025	John Sylvester	Independent Chairperson	Open Market Acquisition	+4,386	$8.89	14,936

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	2,311,774	6.7%	6.9
31 Aug 2026	2,242,281	6.5%	5.0
14 Aug 2026	2,355,057	6.8%	2.3
31 Jul 2026	2,532,559	7.3%	7.2
15 Jul 2026	2,694,391	7.8%	7.7
30 Jun 2026	2,868,132	8.3%	4.9

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