Neuronetics Ownership | Who Owns Neuronetics?

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Neuronetics Ownership Summary

Neuronetics is owned by 60.27% institutional investors, 32.05% insiders, and 7.68% retail investors. Madryn asset management, lp is the largest institutional shareholder, holding 26.87% of STIM shares. First Eagle US Small Cap Strategy is the top mutual fund, with 3.14% of its assets in Neuronetics shares.

STIM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Neuronetics	60.27%	32.05%	7.68%
Sector	Healthcare Stocks	50.50%	12.33%	37.17%
Industry	Medical Device Stocks	49.22%	12.60%	38.18%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Madryn asset management, lp	18.48M	26.87%	$26.79M
Kent lake capital	1.74M	5.90%	$3.13M
Ubs group	2.87M	4.18%	$4.16M
Vanguard group	2.58M	3.84%	$3.56M
Blackrock funding, inc. /de	2.32M	3.37%	$3.36M
Lane generational	1.77M	2.58%	$2.57M
Fourworld capital management	1.49M	2.17%	$2.16M
Masters capital management	1.00M	1.45%	$1.45M
Geode capital management	958.99K	1.39%	$1.39M
Blackrock	381.69K	1.30%	$687.05K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Madryn asset management, lp	18.48M	78.50%	$26.79M
Lane generational	1.77M	2.05%	$2.57M
Kent lake capital	1.74M	1.41%	$3.13M
Fourworld capital management	1.49M	1.10%	$2.16M
Dauntless investment group	269.21K	0.26%	$390.35K
Advisorshares investments	617.19K	0.16%	$894.93K
Wexford capital lp	700.96K	0.15%	$1.02M
Ikarian capital	701.18K	0.08%	$1.02M
Jbf capital	233.17K	0.05%	$338.09K
Masters capital management	1.00M	0.05%	$1.45M

Top Buyers

Holder	Shares	% Assets	Change
Kent lake capital	1.74M	1.41%	716.95K
Fourworld capital management	1.49M	1.10%	558.07K
Advisorshares investments	617.19K	0.16%	346.28K
Ubs group	2.87M	0.00%	263.55K
State street	842.55K	-	258.38K

Top Sellers

Holder	Shares	% Assets	Change
Balyasny asset management	-	-	-2.74M
Archon capital management	-	-	-2.47M
Cannell capital	-	-	-1.31M
First washington	-	-	-1.27M
Silvercrest asset management group	-	-	-1.19M

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	258.03K	0.00%	258.03K	$374.15K
Aqr capital management	116.68K	0.00%	116.68K	$169.19K
Hrt financial lp	100.62K	0.00%	100.62K	$145.00K
Vestgen advisors	100.41K	0.00%	100.41K	$127.53K
Citadel advisors	76.60K	-	76.60K	$111.07K

Sold Out

Holder	Change
Sjs investment consulting	-17.00
True wealth design	-18.00
Mai capital management	-28.00
Root financial partners	-77.00
Atwood & palmer	-100.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	99	-2.94%	41,441,691	-1.92%	60	1.53%	51	8.51%	21	-22.22%
Dec 31, 2025	34	-68.81%	28,683,018	35.09%	42	4.14%	15	-75.81%	8	-57.89%
Sep 30, 2025	34	-62.22%	7,700,797	-54.66%	11	1.77%	18	-62.50%	6	-71.43%
Jun 30, 2025	95	-6.86%	18,046,162	8.61%	27	3.73%	50	-32.43%	24	118.18%
Mar 31, 2025	103	128.89%	17,014,943	125.35%	27	4.45%	75	275.00%	11	10.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
First Eagle US Small Cap Strategy	951.41K	3.14%	231.85K
Vanguard Total Stock Mkt Idx Inv	1.06M	1.52%	-539.30K
Vanguard Morn Total Stk Mkt Idx Investor	1.06M	1.52%	-539.30K
iShares Russell 2000 ETF	918.22K	1.32%	8.48K
Vanguard US Total Market Shares ETF	849.50K	1.29%	-
Silvercrest U.S. Small Cap Growth	368.14K	1.22%	-
AdvisorShares Psychedelics ETF	823.98K	1.18%	-
Vanguard Institutional Extnd Mkt Idx Tr	424.32K	0.61%	-
Fidelity Small Cap Index	401.98K	0.58%	31.33K
iShares Russell 2000 Growth ETF	300.50K	0.43%	-1.96K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 13, 2026	Chernett Jorey	-	Sell	$500.00
Aug 14, 2026	Chernett Jorey	-	Buy	$44.24K
Jul 14, 2026	Chernett Jorey	-	Buy	$62.30K
Mar 19, 2026	Pfanstiel Steven	Former EVP, CFO and Treasurer	Sell	$11.48K
May 19, 2026	Chernett Jorey	-	Buy	$117.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q4	-	-
2026 Q3	-	-
2026 Q2	4	-
2026 Q1	8	10
2025 Q4	-	-

STIM Ownership FAQ

Who Owns Neuronetics?

Neuronetics shareholders are primarily institutional investors at 60.27%, followed by 32.05% insiders and 7.68% retail investors. The average institutional ownership in Neuronetics's industry, Medical Device Stocks, is 49.22%, which Neuronetics exceeds.

Who owns the most shares of Neuronetics?

Neuronetics’s largest shareholders are Madryn asset management, lp (18.48M shares, 26.87%), Kent lake capital (1.74M shares, 5.90%), and Ubs group (2.87M shares, 4.18%). Together, they hold 36.94% of Neuronetics’s total shares outstanding.

Does Blackrock own Neuronetics?

Yes, BlackRock owns 1.30% of Neuronetics, totaling 381.69K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 687.05K$. In the last quarter, BlackRock increased its holdings by 1.15K shares, a 0.30% change.

Who is Neuronetics’s biggest shareholder by percentage of total assets invested?

Madryn asset management, lp is Neuronetics’s biggest shareholder by percentage of total assets invested, with 78.50% of its assets in 18.48M Neuronetics shares, valued at 26.79M$.

Who is the top mutual fund holder of Neuronetics shares?

First Eagle US Small Cap Strategy is the top mutual fund holder of Neuronetics shares, with 3.14% of its total shares outstanding invested in 951.42K Neuronetics shares.

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