Who Owns Neuronetics, Inc. (STIM)?Hedge Fund & Institutional Holders

$1.28+0.01 (+1.18%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.5496357931843e+110T

% of Float Held

5.210506925354439e+258%

QoQ Change in Holders

+15 / -2

Price History

$0.61$1.81$3.01$4.22$5.42Sep 24Jun 25Mar 26

STIM — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Madryn Asset Management, LPNew Position+18.5M+$25.5M
Lane Generational LLCNew Position+1.7M+$2.4M
Sanctuary Advisors, LLCNew Position+178K+$654K
JBF Capital, Inc.New Position+233K+$321K
Dauntless Investment Group, LLCNew Position+161K+$222K
BlueCrest Capital Management LtdNew Position+40K+$55K
Tradewinds, LLC.New Position+36K+$50K
David J Yvars GroupNew Position+31K+$43K
Fielder Capital Group LLCNew Position+23K+$31K
FreeGulliver LLCNew Position+5K+$6K
MCF Advisors LLCNew Position+4K+$4K
RENAISSANCE TECHNOLOGIES LLCNew Position+475K+$0
Bank of New York Mellon CorpNew Position+79K+$0
AdvisorShares Investments LLCNew Position+271K+$0
CWM, LLCNew Position+81+$0

STIM — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
VANGUARD GROUP INCDecreased-250K-$7.7B
WEXFORD CAPITAL LPDecreased-532K-$3.2B
MARSHALL WACE, LLPDecreased-639K-$2.5B
Ikarian Capital, LLCDecreased-205K-$2.5B
STATE STREET CORPDecreased-3K-$1.6B
HighTower Advisors, LLCDecreased-13K-$1.6B
MORGAN STANLEYDecreased-359K-$1.3B
MILLENNIUM MANAGEMENT LLCDecreased-373K-$1.0B
TWO SIGMA INVESTMENTS, LPDecreased-136K-$913.9M
BOOTHBAY FUND MANAGEMENT, LLCDecreased-103K-$758.7M
Massar Capital Management, LPDecreased-19K-$654.9M
EHP Funds Inc.Closed Position-209K-$571.6M
Centiva Capital, LPClosed Position-117K-$320.3M
BANK OF AMERICA CORP /DE/Decreased-22K-$313.0M
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-15K-$289.7M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Madryn Asset Management, LP18,475,893$25.5M73.42%Share
2UBS Group AG2,594,068$3.6M0.00%Share
3VANGUARD GROUP INC2,307,602$3.2M0.00%Share
4BALYASNY ASSET MANAGEMENT L.P.2,552,404$3.0M0.00%Share
5Lane Generational LLC1,705,197$2.4M2.13%Share
6MASTERS CAPITAL MANAGEMENT LLC1,000,000$1.4M0.06%Share
7FourWorld Capital Management LLC931,250$1.3M1.11%Share
8GEODE CAPITAL MANAGEMENT, LLC764,120$1.0M0.00%Share
9JANE STREET GROUP, LLC876,197$1.0M0.00%Share
10BlackRock, Inc.1,385,698$1.0M0.00%Share
11BlackRock, Inc.780,165$1.0M0.00%Share
12Ikarian Capital, LLC701,182$967K0.08%Share
13WEXFORD CAPITAL LP644,951$890K0.17%Share
14VANGUARD GROUP INC258,327$356K0.00%Share
15Sanctuary Advisors, LLC88,931$327K0.00%Share
16Sanctuary Advisors, LLC88,931$327K0.00%Share
17JBF Capital, Inc.233,166$321K0.05%Share
18Massar Capital Management, LP221,000$304K0.03%Share
19FreeGulliver LLC165,000$227K0.08%Call
20Dauntless Investment Group, LLC160,927$222K0.18%Share
21Caption Management, LLC92,501$127K0.00%Share
22GAMCO INVESTORS, INC. ET AL79,200$109K0.00%Share
23GROUP ONE TRADING LLC48,336$66K0.00%Share
24Caitong International Asset Management Co., Ltd46,003$63K0.17%Share
25BlueCrest Capital Management Ltd40,000$55K0.00%Share
26Invesco Ltd.39,781$54K0.00%Share
27Presidio Capital Management, LLC37,436$51K0.02%Share
28Tradewinds, LLC.36,437$50K0.01%Share
29David J Yvars Group31,230$43K0.02%Share
30Fielder Capital Group LLC22,797$31K0.01%Share
31FreeGulliver LLC20,000$27K0.01%Call
32Fermata Advisors, LLC19,843$27K0.01%Share
33VANGUARD GROUP INC16,453$22K0.00%Share
34GROUP ONE TRADING LLC15,000$20K0.00%Call
35Invesco Ltd.13,708$18K0.00%Share
36UBS Group AG12,979$17K0.00%Share
37Invesco Ltd.5,451$7K0.00%Share
38FreeGulliver LLC5,000$6K0.00%Call
39FreeGulliver LLC5,000$6K0.00%Share
40Addison Advisors LLC3,000$4K0.00%Share
41MCF Advisors LLC3,564$4K0.00%Share
42Woodbridge CO LTD1,838$2K0.00%Share
43GROUP ONE TRADING LLC1,400$1K0.00%Put
44ROYAL BANK OF CANADA42,227$00.00%Share
45ROYAL BANK OF CANADA238$00.00%Share
46ROYAL BANK OF CANADA369$00.00%Share
47CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2,421$00.00%Share
48BRIDGEWAY CAPITAL MANAGEMENT, LLC95,205$00.00%Share
49ALLIANCEBERNSTEIN L.P.28,800$00.00%Share
50TWO SIGMA INVESTMENTS, LP198,745$00.00%Share

STIM Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202595$48.7M+8
Q3 202587$55.9B+10
Q2 202577$55.4B-22
Q1 202599$61.1B+54
Q4 202445$21.0B+5
Q3 202440$2.8T-14
Q2 202454$4.8T+1
Q1 202453$12.9T—

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As of Q4 2025, 50 institutional investors hold STIM (Neuronetics, Inc.). The largest holder is Madryn Asset Management, LP with $25.5M in shares. This quarter, 15 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own STIM?

As of Q4 2025, 50 institutional investors report holding STIM (Neuronetics, Inc.) in their 13F filings.

Who is the largest institutional holder of STIM?

The largest institutional holder of STIM is Madryn Asset Management, LP with $25.5M in shares.

Is institutional ownership of STIM increasing or decreasing?

This quarter, 15 institutions opened new positions in STIM and 2 closed their positions.