NeuroneticsSTIM
13F holders, Q2 2026 (June 30)86holders −13
15new positions
28sold out
5famous investors
$1.30avg. 13F price*
At the end of Q2 2026, 86 institutions reported holding Neuronetics Inc. (STIM) in their 13F filings, down 13 from Q1 2026. 15 opened new positions and 28 sold out. The largest holders were Madryn Asset Management, LP ($24.1M), UBS Group AG ($3.0M) and Wexford Capital LP ($2.6M). 5 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Neuronetics Inc.
- CUSIP
- 64131A105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $1.5M |
| Exits | 28 | $5.6M |
All 13F filers, Q1 2026 → Q2 2026: 4,047,525 shares bought and 8,476,825 shares sold, net −4,429,300 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 86 holders
| Madryn Asset Management, LP | 65.29% | Add +0.3% | 18,540,488 | $24.1M |
| UBS Group AG | 0.00% | Reduce -20.6% | 2,279,099 | $3.0M |
| Wexford Capital LP | 0.36% | Add +185.7% | 2,002,625 | $2.6M |
| FourWorld Capital Management LLC | 2.90% | Add +17.1% | 1,744,142 | $2.3M |
| Lane Generational LLC | 1.86% | Reduce -8.0% | 1,633,372 | $2.1M |
| Vanguard Capital Management LLC | 0.00% | Reduce -26.4% | 1,507,097 | $2.0M |
| Masters Capital Management LLC | 0.18% | No change | 1,000,000 | $1.3M |
| AdvisorShares Investments LLC | 0.12% | Add +20.4% | 742,795 | $966K |
| Ikarian Capital, LLC | 0.15% | No change | 701,182 | $912K |
| BlackRock, Inc. | 0.00% | Reduce -74.3% | 596,622 | $776K |
| HighTower Advisors, LLC | 0.00% | Add +0.2% | 563,741 | $733K |
| Marshall Wace, LLP | 0.00% | New | 485,692 | $631K |
| Geode Capital Management, LLC | 0.00% | Reduce -52.2% | 458,474 | $596K |
| Citadel Advisors | 0.00% | Add +450.8% | 421,903 | $548K |
| Dauntless Investment Group, LLC | 0.83% | Add +37.1% | 369,187 | $480K |
| State Street Corp. | 0.00% | Reduce -65.5% | 290,299 | $377K |
| Centiva Capital, LP | 0.01% | Add +68.9% | 285,913 | $372K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +2.6% | 264,734 | $344K |
| Goldman Sachs Group Inc. | 0.00% | Add +13.1% | 264,088 | $343K |
| JBF Capital, Inc. | 0.04% | No change | 233,166 | $303K |
| XTX Topco Ltd | 0.00% | Add +50.8% | 220,323 | $286K |
| Millennium Management | 0.00% | New | 199,450 | $259K |
| Boothbay Fund Management, LLC | 0.00% | No change | 189,263 | $246K |
| Susquehanna International Group, LLP | 0.00% | Add +114.8% | 185,753 | $241K |
| Jane Street Group, LLC | 0.00% | Add +1017.7% | 185,250 | $241K |
| BNP Paribas Financial Markets | 0.00% | Add +1694.0% | 148,815 | $193K |
| Tudor Investment Corporation | 0.00% | New | 124,861 | $162K |
| AQR Capital Management | 0.00% | Add +1.0% | 117,822 | $153K |
| ADAR1 Capital Management, LLC | 0.01% | No change | 100,000 | $130K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 95,205 | $124K |
| Squarepoint Ops LLC | 0.00% | Add +151.5% | 94,616 | $123K |
| Northern Trust Corp. | 0.00% | Reduce -67.9% | 89,138 | $116K |
| HRT Financial LP | 0.00% | Reduce -11.8% | 88,710 | $115K |
| GAMCO Investors | 0.00% | No change | 79,200 | $103K |
| Invesco Ltd. | 0.00% | Reduce -5.6% | 68,340 | $89K |
| Bank of America Corp. | 0.00% | Reduce -30.5% | 68,195 | $89K |
| Morgan Stanley | 0.00% | Add +57.0% | 62,893 | $82K |
| Engineers Gate Manager LP | 0.00% | New | 57,175 | $74K |
| VestGen Advisors, LLC | 0.00% | Reduce -49.9% | 50,279 | $65K |
| Cruiser Capital Advisors, LLC | 0.04% | No change | 48,900 | $64K |
| Caitong International Asset Management Co., Ltd | 0.01% | New | 41,320 | $54K |
| Arax Advisory Partners | 0.00% | Add +1.8% | 39,843 | $52K |
| HSBC Holdings PLC | 0.00% | New | 37,847 | $50K |
| Gabelli Funds LLC | 0.00% | No change | 38,000 | $49K |
| Quadrature Capital Ltd | 0.00% | New | 30,856 | $40K |
| Virtu Financial LLC | 0.00% | New | 29,582 | $38K |
| David J Yvars Group | 0.02% | Add +35.7% | 27,550 | $36K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -34.2% | 24,246 | $32K |
| State of Wyoming | 0.00% | New | 23,482 | $31K |
| Qube Research & Technologies Ltd | 0.00% | New | 23,211 | $30K |
| Fielder Capital Group LLC | 0.01% | Add +0.2% | 22,903 | $30K |
| Composition Wealth, LLC | 0.00% | New | 19,851 | $26K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +45.3% | 19,602 | $25K |
| Group One Trading LLC | 0.00% | Reduce -23.6% | 17,669 | $23K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 16,453 | $21K |
| Aigen Investment Management, LP | 0.01% | New | 16,246 | $21K |
| Simplex Trading, LLC | 0.00% | Add +5.6% | 14,861 | $19K |
| IMC-Chicago, LLC | 0.00% | Reduce -46.6% | 14,566 | $19K |
| StoneX Group Inc. | 0.00% | New | 12,092 | $19K |
| Pathstone Holdings, LLC | 0.00% | Reduce -55.8% | 14,247 | $19K |
| Bank of Montreal | 0.00% | New | 14,109 | $18K |
| Axq Capital, LP | 0.00% | Reduce -10.4% | 11,024 | $14K |
| Royal Bank of Canada | 0.00% | Reduce -88.4% | 11,158 | $14K |
| Russell Investments Group, Ltd. | 0.00% | Add +171.4% | 8,839 | $11K |
| Barclays PLC | 0.00% | Reduce -10.2% | 5,839 | $8K |
| FMR LLC | 0.00% | Reduce -79.8% | 5,061 | $7K |
| MCF Advisors LLC | 0.00% | No change | 3,564 | $5K |
| Citigroup Inc. | 0.00% | Reduce -95.4% | 2,619 | $3K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 1,500 | $2K |
| Essential Partners LLC | 0.00% | Reduce -79.8% | 835 | $1K |
| Osaic Holdings, Inc. | 0.00% | No change | 795 | $1K |
| JPMorgan Chase & Co. | 0.00% | Reduce -96.5% | 748 | $1K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 775 | $1K |
| GAMMA Investing LLC | 0.00% | Reduce -44.1% | 681 | $885 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +10.0% | 606 | $788 |
| Allied Private Wealth LLC | 0.00% | — | 470 | $723 |
| SBI Securities Co., Ltd. | 0.00% | Add +1.1% | 458 | $595 |
| Farther Finance Advisors, LLC | 0.00% | Add +283.1% | 226 | $294 |
| Allworth Financial LP | 0.00% | Add +634.8% | 169 | $220 |
| Wells Fargo & Company | 0.00% | Reduce -98.9% | 150 | $195 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -47.7% | 124 | $161 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 119 | $154 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 104 | $134 |
| Rothschild Investment LLC | 0.00% | Add +50.9% | 83 | $108 |
| TD Waterhouse Canada Inc. | 0.00% | No change | 59 | $80 |
| IFP Advisors, Inc | 0.00% | Add +300.0% | 12 | $16 |
"% of holder's portfolio" is STIM's weight in each manager's 13F, not the share of Neuronetics Inc. the manager owns.