NEURONETICS INC (STIM) Institutional Ownership Changes & 13F Activity

NEURONETICS INC (STIM). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Wexford Capital Lp, Ubs Group Ag, Vanguard Capital Management Llc, Marshall Wace, Llp, and Citadel Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+345,306+450.8%421,903$548.47KQ2 2026Sep 02, 2026
Madryn Asset Management, LpBuy+64,595+0.3%18,540,488$24.10MQ2 2026Aug 19, 2026
Transamerica Financial Advisors, LlcBuy+119119$154.00Q2 2026Aug 17, 2026
Wexford Capital LpBuy+1,301,664+185.7%2,002,625$2.60MQ2 2026Aug 14, 2026
Fourworld Capital Management LlcBuy+254,820+17.1%1,744,142$2.27MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+199,450199,450$259.29KQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+168,676+1017.7%185,250$240.82KQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+124,861124,861$162.32KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+99,272+114.8%185,753$241.48KQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-84,690-88.4%11,158$14.00KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+74,168+50.7%220,323$286.42KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+68,34068,340$88.84KQ2 2026Aug 14, 2026
Engineers Gate Manager LpBuy+57,17557,175$74.33KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+57,000+151.5%94,616$123.00KQ2 2026Aug 14, 2026
Hsbc Holdings PlcBuy+37,84737,847$49.96KQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+30,498+13.1%264,088$343.31KQ2 2026Aug 14, 2026
Bank Of America CorpSell-29,900-30.5%68,195$88.65KQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+23,21123,211$30.17KQ2 2026Aug 14, 2026
Aigen Investment Management, LpBuy+16,24616,246$21.12KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnSell-13,502-98.9%150$195.00Q2 2026Aug 14, 2026
Price T Rowe Associates IncSell-12,615-34.2%24,246$32.00KQ2 2026Aug 14, 2026
Hrt Financial LpSell-11,910-11.8%88,710$115.00KQ2 2026Aug 14, 2026
Group One Trading LlcSell-5,467-23.6%17,669$22.97KQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+1,142+1.0%117,822$153.17KQ2 2026Aug 14, 2026
Barclays PlcSell-665-10.2%5,839$7.59KQ2 2026Aug 14, 2026
Ubs Group AgSell-591,499-20.6%2,279,099$2.96MQ2 2026Aug 13, 2026
Vanguard Capital Management LlcSell-540,878-26.4%1,507,097$1.96MQ2 2026Aug 13, 2026
Marshall Wace, LlpBuy+485,692485,692$631.40KQ2 2026Aug 13, 2026
Northern Trust CorpSell-188,240-67.9%89,138$115.88KQ2 2026Aug 13, 2026
Lane Generational LlcSell-141,252-8.0%1,633,372$2.12MQ2 2026Aug 13, 2026
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Frequently asked questions about STIM activity

  • Which institutional owners are buying STIM?

    Institutional owners buying STIM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in STIM activity?

    "Buy" means an investor increased their reported position in STIM compared to the prior reporting period. This reflects growing exposure to NEURONETICS INC (STIM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in STIM increasing?

    Institutional interest in STIM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.