$STIM

$2.24 +$0.13 (6.16%) Close

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

Ownership

13F as of Q2 2026 · 76.2M shares outstanding

Who owns STIM?

By type of holder

Institutions 48.6% Insiders 51.4% Everyone else 0.0%

Concentration Top 10 holders own 55.9%

Madryn Asset Management, LP 24.3% · Chernett Jorey 13.9%

Institutional ownership

48.6%

-6.1 pts vs last qtr

Institutional holders

-14 vs last qtr

Net shares bought

−4.6M

by institutions in Q2 2026

New / sold out

16 / 30

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Wexford Capital LP +1.3M
Marshall Wace, LLP NEW +485.7K

Biggest sellers in Q2 2026

Balyasny Asset Management L.P. SOLD OUT −2.7M
BlackRock, Inc. −1.7M

Who is planning to sell?

Notices of proposed sale, last 12 months

$301K

10 notices from 2 people

Shares covered

209.4K

0.27% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Sullivan Keith J Former officer and director $246K
Macan William Andrew Officer $55.2K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+79.4%

+10.23% a year

Each share's claim on the business

−44.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $44.2M

over 7 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+ years11% 3–5 years6% 1–3 years19% Under 1 year63%

Quarterly turnover

15.0%

of institutional shares changed hands

Top 10 managers, median time held

1.8 years

Super Investors

Investment managers reporting STIM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MA Madryn Asset Management, LP 13D · 30.3%	18.5M	24.33%	+64.6K (+0.3%)	Q4 '25	65.3%
Shares held by quarter Peak holding18.5M (Q2'26) Change over 8 quarters+18.5M Share of the company24.330% Disclosed stake13D · 30.3% Madryn Asset Management, LP's full portfolio →
UG UBS Group AG	2.3M	2.99%	−591.5K (−20.6%)	2021	0.0%
Shares held by quarter Peak holding2.9M (Q1'26) Change over 8 quarters+2.3M Share of the company2.990% UBS Group AG's full portfolio →

Madryn Asset Management, LP

13D · 30.3%

18.5M

% of company

24.33%

Change vs last qtr

+64.6K (+0.3%)

Held since

Q4 '25

UBS Group AG

2.3M

% of company

2.99%

Change vs last qtr

−591.5K (−20.6%)

Held since

2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting STIM on Form N-PORT; together they hold 7.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$1.37M	1.1M	1.39%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$1.37M	946.6K	1.24%	0.00%	March 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$1.37M

% of company

1.39%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$1.37M

% of company

1.24%

% of the fund

0.00%

As of

March 31, 2026

23 more funds behind a free account

See every fund holding Neuronetics 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
CJ Chernett Jorey 5%+ holder 13D · 13.9%	10.6M	13.92%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company13.920% Disclosed stake13D · 13.9% View the 13D/G filing →
CS Cucuz Sasha Insider	2.1M	2.70%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.700% Cucuz Sasha's insider activity →

Chernett Jorey

5%+ holder13D · 13.9%

10.6M

% of company

13.92%

Change vs last qtr

—

Held since

—

Cucuz Sasha

Insider

2.1M

% of company

2.70%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Neuronetics Inc.

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