Neuronetics, Inc. (STIM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

53,616,867Shares Outstanding

1,340,002Shares held by institutions

$1,916,203Value of institutional holdings

77.25%Institutional ownership %

112.53%Shares Changed QoQ

91No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Neuronetics, Inc. (NASDAQ:STIM) includes 91 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 77.3% of the company's total shares outstanding in December 2025, up from 39.7% in September 2025.
Institutional share ownership changed by 112.53% QoQ, while the number of institutional owners saw an increase of 97.83% YoY.
Of these 91 institutional investors, 47 increased their holdings in Neuronetics, while 24 of them reduced positions, and 20 investors maintained their exposure.
This class of investors increased its holdings in Neuronetics to 41.42Mn shares for the 13F-cycle ending December 2025, up by 21.93Mn shares quarter on quarter, and up 33.87Mn shares year over year.
As of December 31, 2025, Madryn Asset Management, LP held Neuronetics's largest shareholding position with over 18.48Mn shares, representing 34.46% of total outstanding shares.
Among the most significant buyers of Neuronetics during December 2025 were Madryn Asset Management, LP (18.48Mn), Lane Generational LLC (1.71Mn), JANE STREET GROUP, LLC (747.22K), BALYASNY ASSET MANAGEMENT L.P. (730.75K), RENAISSANCE TECHNOLOGIES LLC (474.90K).
Leading sellers of Neuronetics stock in December 2025 included MARSHALL WACE, LLP (639.07K), WEXFORD CAPITAL LP (532.27K), MILLENNIUM MANAGEMENT LLC (372.90K), MORGAN STANLEY (359.28K), VANGUARD GROUP INC (249.74K).
The top 10 institutional holders of Neuronetics for the quarter ending December 2025 included Madryn Asset Management, LP (18.48Mn), UBS Group AG (2.61Mn), VANGUARD GROUP INC (2.58Mn), BALYASNY ASSET MANAGEMENT L.P. (2.55Mn), BlackRock, Inc. (2.35Mn), Lane Generational LLC (1.71Mn), JANE STREET GROUP, LLC (1.03Mn), MASTERS CAPITAL MANAGEMENT LLC (1.00Mn), FourWorld Capital Management LLC (931.25K), GEODE CAPITAL MANAGEMENT, LLC (891.73K).

91 Institutional Holders

1,340,002 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Madryn Asset Management, LP	31 Dec, 2025	18,475,893	18,475,893	0.00%	$25,496,732.00
UBS Group AG	31 Dec, 2025	2,607,047	442,216	20.43%	$3,597,725.00
VANGUARD GROUP INC	31 Dec, 2025	2,582,382	-249,736	-8.82%	$3,563,687.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	2,552,404	730,755	40.12%	$3,522,318.00
BlackRock, Inc.	31 Dec, 2025	2,353,751	50,250	2.18%	$3,248,177.00
Lane Generational LLC	31 Dec, 2025	1,705,197	1,705,197	0.00%	$2,353,172.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,028,362	747,223	265.78%	$1,419,140.00
MASTERS CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,000,000	0	0.00%	$1,380,000.00
FourWorld Capital Management LLC	31 Dec, 2025	931,250	363,250	63.95%	$1,285,125.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	891,733	14,799	1.69%	$1,230,805.00
WEXFORD CAPITAL LP	31 Dec, 2025	644,951	-532,274	-45.21%	$890,030.00
STATE STREET CORP	31 Dec, 2025	584,167	-3,466	-0.59%	$806,150.00
HighTower Advisors, LLC	31 Dec, 2025	564,306	-12,763	-2.21%	$778,742.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	474,900	474,900	0.00%	$655,362.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	331,954	110,047	49.59%	$458,096.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	321,561	100,993	45.79%	$443,754.00
XTX Topco Ltd	31 Dec, 2025	314,194	314,194	0.00%	$433,588.00
MARSHALL WACE, LLP	31 Dec, 2025	286,045	-639,065	-69.08%	$394,743.00
NORTHERN TRUST CORP	31 Dec, 2025	278,400	1,790	0.65%	$384,192.00
AdvisorShares Investments LLC	31 Dec, 2025	270,916	80,801	42.50%	$373,864.00

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