$NUWE

$0.34 +$0.02 (6.83%) Close

$NUWE Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 3.6M shares outstanding

Who owns NUWE?

By type of holder

Institutions 0.6% Insiders 0.0% Everyone else 99.4%

Concentration Top 6 holders own 46.3%

Erb John L 45.7% · Sabby Management, LLC 0.5%

Institutional ownership

0.6%

-7.4 pts vs last qtr

Institutional holders

-3 vs last qtr

Net shares bought

−269.8K

by institutions in Q2 2026

New / sold out

2 / 5

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Sabby Management, LLC NEW +16.4K
UBS Group AG +4.4K

Biggest sellers in Q2 2026

Armistice Capital, LLC SOLD OUT −236.2K
Geode Capital Management, LLC SOLD OUT −44.2K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Nuwellis Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+2083.9%

+2083.93% a year

Each share's claim on the business

−95.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $605K

over 2 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years22% Under 1 year78%

Quarterly turnover

53.5%

of institutional shares changed hands

Top 10 managers, median time held

1.5 years

Super Investors

Investment managers reporting NUWE on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Armistice Capital, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding236.2K (Q1'26) Change over 8 quarters0 Armistice Capital, LLC's full portfolio →
GC Geode Capital Management, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding44.2K (Q1'26) Change over 8 quarters0 Geode Capital Management, LLC's full portfolio →

Armistice Capital, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Geode Capital Management, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

8 more super investors behind a free account

See every manager holding Nuwellis Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting NUWE on Form N-PORT; together they hold 1.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$28.9K	37.4K	1.03%	0.00%	May 31, 2026
FS Fidelity Series Total Market Index Fund Fidelity Concord Street Trust	$1.17K	1.5K	0.04%	0.00%	May 31, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$28.9K

% of company

1.03%

% of the fund

0.00%

As of

May 31, 2026

Fidelity Series Total Market Index Fund

Fidelity Concord Street Trust

Position value

$1.17K

% of company

0.04%

% of the fund

0.00%

As of

May 31, 2026

2 more funds behind a free account

See every fund holding Nuwellis Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
EJ Erb John L 5%+ holder 13D · 7.3%	1.7M	45.70%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company45.700% Disclosed stake13D · 7.3% View the 13D/G filing →

Erb John L

5%+ holder13D · 7.3%

1.7M

% of company

45.70%

Change vs last qtr

—

Held since

—

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