Neuronetics, Inc.

STIM

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001227636

SEC filings (opens in a new tab)

In the last 90 days, Neuronetics, Inc. insiders filed 2 open-market purchases and 0 sales; 86 institutions reported holding it in 13F filings for Q2 2026, worth $48.4M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 10, 2026: $156.2M
Insider buysLast 90 days, $85.1K in total: 2
Insider sellsOpen market, last 90 days: 0
13F holdersQ2 2026, −12 vs. previous quarter: 86
13F valueReported value at the end of Q2 2026: $48.4M
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2025: $149.2M; +99.2% year over year
Net income, FY2025: -$39.0M; No comparable prior period
Free cash flow, FY2025: -$21.2M; No comparable prior period
Revenue, Q3 FY2026: $42.0M; +12.5% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Net loss for FY2025: $39.0M (26.1% of revenue).

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest: 6.66M; Shares sold short
Change: −550.7K; −7.6% vs. previous
Days to cover: 9.89; At average daily volume

Superinvestors holding STIM, Q2 2026

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No superinvestor reported holding STIM at the end of Q2 2026.

Latest insider trades

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Open-market purchases and sales by Neuronetics, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 2, 2026 (view filing)8:49 AM ET	Oct 30	3 days	Chernett Jorey10% Owner	PPurchase	+18.0K	$2.27	+$40.9K	+0.2%10.6M after
Aug 17, 2026 (view filing)10:13 AM ET	Aug 14	3 days	Chernett Jorey10% Owner	PPurchase	+14.0K	$3.16	+$44.2K	+0.1%10.6M after
Aug 17, 2026 (view filing)10:13 AM ET	Aug 13	4 days	Chernett Jorey10% Owner	SSale	−10.0K	$0.0321	−$321	–0 after	Derivative
Jul 15, 2026 (view filing)9:33 AM ET	Jul 14	1 day	Chernett Jorey10% Owner	PPurchase	+35.0K	$1.78	+$62.3K	+0.3%10.6M after
May 21, 2026 (view filing)	Mar 19	63 days	Pfanstiel StevenFormer EVP, CFO and Treasurer	SSale	−8.57K	$1.34	−$11.5K	−1.0%836.6K after	Amended
May 20, 2026 (view filing)	May 19	1 day	Chernett Jorey10% Owner	PPurchase	+100.0K	$1.17	+$117.0K	+1.0%10.6M after
May 13, 2026 (view filing)	May 12	1 day	Chernett Jorey10% Owner	PPurchase	+475.0K	$1.34	+$636.5K	+4.8%10.5M after
Apr 22, 2026 (view filing)	Apr 20-21	2 days	Chernett Jorey10% Owner	PPurchase	+200.0K	$1.55	+$309.0K	+2.0%9.98M after	2 lots
Mar 30, 2026 (view filing)	Mar 30	Same day	Chernett Jorey10% Owner	PPurchase	+385.4K	$1.25	+$481.8K	+4.1%9.78M after
Mar 30, 2026 (view filing)	Mar 27	3 days	Chernett Jorey10% Owner	PPurchase	+500.0K	$1.35	+$675.0K	+5.6%9.39M after

Top 10 13F holders, Q2 2026

See all 86 holders

The largest institutional positions in Neuronetics, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding STIM in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Madryn Asset Management, LP	18,540,488	$24.1M	65.29%	+64,595+0.3%	Added
UBS Group AG	2,279,099	$2.96M	0.00%	−591,499−20.6%	Reduced
Wexford Capital LP	2,002,625	$2.60M	0.36%	+1,301,664+185.7%	Added
FourWorld Capital Management LLC	1,744,142	$2.27M	2.90%	+254,820+17.1%	Added
Lane Generational LLC	1,633,372	$2.12M	1.86%	−141,252−8.0%	Reduced
Vanguard Capital Management LLC	1,507,097	$1.96M	0.00%	−540,878−26.4%	Reduced
Masters Capital Management LLC	1,000,000	$1.30M	0.18%	00.0%	Unchanged
AdvisorShares Investments LLC	742,795	$965.6K	0.12%	+125,602+20.4%	Added
Ikarian Capital, LLC	701,182	$911.5K	0.15%	00.0%	Unchanged
BlackRock, Inc.	596,622	$775.6K	0.00%	−1,721,915−74.3%	Reduced

Holders of 5% or more of STIM

See all 5 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Neuronetics, Inc..

Largest holders of STIM from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
Madryn Asset Management, LP	13D/A	30.30%20.7M shares	−1.10 ppfrom 31.40%	Dec 17, 20243 filings	Mar 4, 2026	SEC
Chernett Jorey	13D/A	13.92%10.6M shares	−1.30 ppfrom 15.22%	Mar 18, 20266 filings	Aug 24, 2026	SEC
Chernett Jorey	13G/A	9.90%6.83M shares	+3.50 ppfrom 6.40%	Nov 24, 20252 filings	Feb 4, 2026	SEC
Parian Ultreia LP	13G	7.00%4.84M shares	New	Mar 17, 20261 filing	Mar 17, 2026	SEC
Point72 Asset Management, L.P.	13G	5.00%3.82M shares	New	Aug 14, 20261 filing	Aug 14, 2026	SEC