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Neuronetics, Inc.

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

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.

13F holders, Q3 2025

Institutional positions in Neuronetics, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
99
+9 vs. Q2 2025
Shares held
21.2M
+3.09M (+17.1%) vs. Q2 2025
Total value
$57.8M
−$5.31M (−8.4%) vs. Q2 2025
New holders
20
38 more added
Sold out
11
21 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting STIM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 100 institutions
Q1 2021: 83 institutionsQ2 2021: 105 institutionsQ3 2021: 97 institutionsQ4 2021: 80 institutionsQ1 2022: 83 institutionsQ2 2022: 77 institutionsQ3 2022: 76 institutionsQ4 2022: 82 institutionsQ1 2023: 74 institutionsQ2 2023: 69 institutionsQ3 2023: 56 institutionsQ4 2023: 66 institutionsQ1 2024: 66 institutionsQ2 2024: 67 institutionsQ3 2024: 48 institutionsQ4 2024: 45 institutionsQ1 2025: 102 institutionsQ2 2025: 90 institutionsQ3 2025: 100 institutionsQ4 2025: 95 institutionsQ1 2026: 99 institutionsQ2 2026: 86 institutions
Value heldQ3 2025: $58.2M
Q1 2021: $256.4MQ2 2021: $373.7MQ3 2021: $139.9MQ4 2021: $89.2MQ1 2022: $59.9MQ2 2022: $56.4MQ3 2022: $54.4MQ4 2022: $120.4MQ1 2023: $55.2MQ2 2023: $38.6MQ3 2023: $23.4MQ4 2023: $46.2MQ1 2024: $84.3MQ2 2024: $31.5MQ3 2024: $8.05MQ4 2024: $12.2MQ1 2025: $63.2MQ2 2025: $63.2MQ3 2025: $58.2MQ4 2025: $58.3MQ1 2026: $60.4MQ2 2026: $48.4M
Institutions holding STIM and their total value by quarter
QuarterHoldersValue
Q2 202686$48.4M
Q1 202699$60.4M
Q4 202595$58.3M
Q3 2025100$58.2M
Q2 202590$63.2M
Q1 2025102$63.2M
Q4 202445$12.2M
Q3 202448$8.05M
Q2 202467$31.5M
Q1 202466$84.3M
Q4 202366$46.2M
Q3 202356$23.4M
Q2 202369$38.6M
Q1 202374$55.2M
Q4 202282$120.4M
Q3 202276$54.4M
Q2 202277$56.4M
Q1 202283$59.9M
Q4 202180$89.2M
Q3 202197$139.9M
Q2 2021105$373.7M
Q1 202183$256.4M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Neuronetics, Inc.; share changes are against Q2 2025.

Institutions holding STIM in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc2,832,118$7.73M0.00%+89,504+3.3%Added
BlackRock, Inc.2,303,501$6.29M0.00%+64,277+2.9%Added
UBS Group AG2,164,831$5.91M0.00%+1,846,801+580.7%Added
Balyasny Asset Management LLC1,821,649$4.97M0.01%+312,550+20.7%Added
Wexford Capital LP1,177,225$3.21M0.97%+534,155+83.1%Added
Masters Capital Management LLC1,000,000$2.73M0.44%00.0%Unchanged
Marshall Wace, LLP925,110$2.53M0.00%+881,867+2,039.3%Added
Ikarian Capital, LLC905,716$2.47M0.56%−193,984−17.6%Reduced
Geode Capital Management, LLC876,934$2.39M0.00%−2,111−0.2%Reduced
State Street Corp587,633$1.60M0.00%+159,747+37.3%Added
HighTower Advisors, LLC577,069$1.58M0.00%+417,087+260.7%Added
FourWorld Capital Management LLC568,000$1.55M3.76%+68,000+13.6%Added
Morgan Stanley475,710$1.30M0.00%−170,330−26.4%Reduced
Millennium Management LLC383,719$1.05M0.00%−494,400−56.3%Reduced
Two Sigma Investments, LP334,766$913.9K0.00%−32,998−9.0%Reduced
Boothbay Fund Management, LLC277,918$758.7K0.02%−59,111−17.5%Reduced
Northern Trust Corp276,610$755.1K0.00%+1,226+0.4%Added
Massar Capital Management, LP240,000$655.2K0.23%+20,000+9.1%Added
Jane Street Group, LLC234,639$640.6K0.00%+234,639New
Goldman Sachs Group Inc221,907$605.8K0.00%−221,011−49.9%Reduced
Susquehanna International Group, LLP220,568$602.2K0.00%+122,226+124.3%Added
EHP Funds Inc.209,385$571.6K0.75%+209,385New
AdvisorShares Investments LLC190,115$519.0K0.08%+59,581+45.6%Added
Simplex Trading, LLC144,490$394.0K0.01%+108,297+299.2%Added
Tradewinds, LLC.138,485$378.1K0.09%+138,485New
Centiva Capital, LP117,322$320.3K0.03%+61,501+110.2%Added
Bank of America Corp114,668$313.0K0.00%+31,353+37.6%Added
Charles Schwab Investment Management Inc106,129$289.7K0.00%00.0%Unchanged
Two Sigma Advisers, LP104,200$284.5K0.00%−53,200−33.8%Reduced
Group One Trading, L.P.95,818$261.6K0.01%+81,860+586.5%Added
Bank of New York Mellon Corp81,321$222.0K0.00%+1,315+1.6%Added
Gamco Investors, Inc. Et Al79,200$216.2K0.00%+2,000+2.6%Added
ExodusPoint Capital Management, LP72,384$197.6K0.00%+72,384New
Bridgeway Capital Management, LLC70,205$191.7K0.00%00.0%Unchanged
Squarepoint Ops LLC62,458$170.5K0.00%+10,423+20.0%Added
Marex Group plc60,200$164.3K0.00%+60,200New
Rhumbline Advisers55,595$151.8K0.00%+3,119+5.9%Added
Barclays PLC51,665$141.0K0.00%−11,715−18.5%Reduced
Cruiser Capital Advisors, LLC50,000$136.5K0.14%00.0%Unchanged
Nuveen, LLC47,043$128.4K0.00%00.0%Unchanged
FMR LLC47,033$128.4K0.00%+331+0.7%Added
Axq Capital, LP45,284$123.6K0.05%+45,284New
Deutsche Bank AG43,850$119.7K0.00%+42,901+4,520.7%Added
Bluefin Capital Management, LLC42,705$116.6K0.05%+42,705New
Royal Bank of Canada40,134$110.0K0.00%+39,935+20,067.8%Added
Gabelli Funds LLC38,000$103.7K0.00%00.0%Unchanged
Price T Rowe Associates Inc36,861$101.0K0.00%00.0%Unchanged
LPL Financial LLC35,100$95.8K0.00%+35,100New
Invesco Ltd.32,746$89.4K0.00%+4,134+14.4%Added
National Bank of Canada31,880$87.0K0.00%+6,880+27.5%Added
D. E. Shaw & Co., Inc.31,628$86.3K0.00%+31,628New
Alliancebernstein L.P.28,800$78.6K0.00%+10,800+60.0%Added
XTX Topco Ltd28,756$78.5K0.00%+28,756New
Jump Financial, LLC28,000$76.4K0.00%−10,137−26.6%Reduced
Omers Administration Corp27,000$73.7K0.00%+27,000New
Atom Investors LP26,854$73.3K0.01%+26,854New
David J Yvars Group25,580$69.8K0.04%+1,505+6.3%Added
Raymond James Financial Inc24,164$66.0K0.00%+13,587+128.5%Added
Wells Fargo & Company24,113$65.8K0.00%−15,475−39.1%Reduced
Fielder Capital Group LLC22,797$62.2K0.01%00.0%Unchanged
Intech Investment Management LLC18,057$49.3K0.00%−380−2.1%Reduced
Verition Fund Management LLC18,048$49.3K0.00%00.0%Unchanged
Larson Financial Group LLC17,813$48.6K0.00%+10,886+157.2%Added
Mirae Asset Global ETFs Holdings Ltd.16,724$45.7K0.00%−3,036−15.4%Reduced
Wolverine Trading, LLC16,332$43.4K0.00%+970+6.3%Added
Quadrature Capital Ltd14,666$40.2K0.00%−13,860−48.6%Reduced
JPMorgan Chase & Co14,706$40.1K0.00%−51,636−77.8%Reduced
Fermata Advisors, LLC14,343$39.2K0.01%−422−2.9%Reduced
Caption Management, LLC13,778$37.6K0.00%+13,778New
Citigroup Inc13,261$36.2K0.00%+159+1.2%Added
Sherbrooke Park Advisers LLC12,156$33.2K0.02%+12,156New
Intrua Financial, LLC11,917$32.5K0.00%+11,917New
Presidio Capital Management, LLC11,811$32.2K0.01%+11,811New
R Squared Ltd11,257$30.7K0.01%−3,766−25.1%Reduced
Police & Firemen's Retirement System of New Jersey9,727$26.6K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA7,283$19.9K0.00%+4,195+135.8%Added
New York State Common Retirement Fund5,800$15.8K0.00%−23,700−80.3%Reduced
Comerica Bank5,000$13.7K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)4,788$13.1K0.00%−485−9.2%Reduced
Legal & General Group Plc4,030$11.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,692$10.1K0.00%00.0%Unchanged
MCF Advisors LLC3,564$9.73K0.00%00.0%Unchanged
Addison Advisors LLC3,000$8.19K0.00%00.0%Unchanged
Russell Investments Group, Ltd.2,995$8.18K0.00%+2,995New
FNY Investment Advisers, LLC3,000$8.00K0.00%+3,000New
Caitong International Asset Management Co., Ltd2,521$6.88K0.00%−325−11.4%Reduced
California State Teachers Retirement System2,257$6.16K0.00%+10.0%Added
Woodbridge Co Ltd1,838$5.02K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.1,500$4.09K0.00%+1,500New
Amalgamated Bank1,235$3.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.804$2.50K0.00%−538−40.1%Reduced
SBI Securities Co., Ltd.455$1.24K0.00%+2+0.4%Added
MAI Capital Management300$8190.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec254$6930.00%+150+144.2%Added
Optimum Investment Advisors200$5460.00%00.0%Unchanged
Sterling Capital Management LLC88$2400.00%+1+1.1%Added
CIBC Private Wealth Group, LLC20$550.00%00.0%Unchanged
The PNC Financial Services Group, Inc.5$140.00%+5New
CWM, LLC97$00.00%+43+79.6%Added
Manatuck Hill Partners, LLC0$00.00%−920,000−100.0%Sold out