Latest Period
Q1 2026
Security Snapshot
Neuronetics, Inc. - Common Stock, $0.01 par value (STIM) Institutional Ownership
CUSIP: 64131A105
13F Institutional Holders and Ownership History from Q2 2018 to Q1 2026
Institutions Reporting
99
Shares (Excl. Options)
41,645,979
Price
$1.45
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- Security type / class
- Equity / Common Stock, $0.01 par value
- Symbol
- STIM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 41,645,979
- Total 13F value
- $60,363,694
- Portfolio coverage rank
- 0%
- Share change
- -567,637
- Value change
- -$718,050
- Number of holders
- 99
- Shares outstanding
- 69,571,444
- SEC-reported price per share
- $1.54
- Insider filing price
- $1.54
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- STIM - Neuronetics, Inc. - Common Stock, $0.01 par value is tracked under CUSIP 64131A105.
- 99 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 95 to 99 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $58,403,556 to $60,363,694.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 99 institutions filings for Q1 2026.
Security key
64131A105
Latest holder period
Q1 2026
13F holders
99
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
STIM full holder history
Neuronetics, Inc. SEC filings
Neuronetics, Inc. company facts
Neuronetics, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 64131A105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
STIM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Madryn Asset Management, LP | 30% | -3.5% | $32,764,556 | 20,737,061 | 0% | MADRYN ASSET MANAGEMENT, LP | 02 Mar 2026 | |
| Chernett Jorey | 15% | +7.5% | $17,308,540 | +$1,271,443 | 10,553,988 | +7.9% | Chernett Jorey | 19 May 2026 |
As of 31 Mar 2026, 99 institutional investors reported holding 41,645,979 shares of Neuronetics, Inc. - Common Stock, $0.01 par value (STIM). This represents 60% of the company’s total 69,571,444 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
57%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Madryn Asset Management, LP | 27% | 18,475,893 | 0% | 78% | $26,790,045 |
| UBS Group AG | 4.1% | 2,870,598 | +10% | 0% | $4,162,367 |
| Balyasny Asset Management L.P. | 3.9% | 2,743,768 | +7.5% | 0.01% | $3,978,464 |
| BlackRock, Inc. | 3.3% | 2,318,537 | -1.5% | 0% | $3,361,879 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.9% | 2,047,975 | 0% | 0% | $2,969,564 |
| Lane Generational LLC | 2.6% | 1,774,624 | +4.1% | 2% | $2,573,205 |
| FourWorld Capital Management LLC | 2.1% | 1,489,322 | +60% | 1.2% | $2,159,517 |
| MASTERS CAPITAL MANAGEMENT LLC | 1.4% | 1,000,000 | 0% | 0.21% | $1,450,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4% | 958,989 | +7.5% | 0% | $1,390,770 |
| STATE STREET CORP | 1.2% | 842,547 | +44% | 0% | $1,221,693 |
| Ikarian Capital, LLC | 1% | 701,182 | 0% | 0.15% | $1,016,714 |
| WEXFORD CAPITAL LP | 1% | 700,961 | +8.7% | 0.17% | $1,016,393 |
| AdvisorShares Investments LLC | 0.89% | 617,193 | +128% | 0.16% | $894,930 |
| HighTower Advisors, LLC | 0.81% | 562,370 | -0.34% | 0% | $815,437 |
| NORTHERN TRUST CORP | 0.4% | 277,378 | -0.37% | 0% | $402,198 |
| Dauntless Investment Group, LLC | 0.39% | 269,208 | +67% | 1.1% | $390,352 |
| VANGUARD FIDUCIARY TRUST CO | 0.37% | 258,034 | 0% | 0% | $374,149 |
| GOLDMAN SACHS GROUP INC | 0.34% | 233,590 | -30% | 0% | $338,705 |
| JBF Capital, Inc. | 0.34% | 233,166 | 0% | 0.05% | $338,091 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.32% | 221,170 | 0% | 0% | $320,697 |
| Massar Capital Management, LP | 0.32% | 221,000 | 0% | 0.06% | $320,450 |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.27% | 189,263 | +8.2% | 0.01% | $274,431 |
| Centiva Capital, LP | 0.24% | 169,319 | 0.01% | $245,513 | |
| XTX Topco Ltd | 0.21% | 146,155 | -53% | 0% | $211,925 |
| Nuveen, LLC | 0.18% | 123,089 | +162% | 0% | $178,479 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
32
Latest
Q1 2026
Rows shown
1-25 of 32
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 41,645,979 | $60,363,694 | -$718,050 | $1.45 | 99 |
| 2025 Q4 | 42,321,445 | $58,403,556 | +$2,440,644 | $1.38 | 95 |
| 2025 Q3 | 21,232,802 | $58,049,218 | +$7,340,536 | $2.73 | 98 |
| 2025 Q2 | 18,093,968 | $63,148,166 | +$3,129,708 | $3.49 | 88 |
| 2025 Q1 | 17,062,115 | $62,803,548 | +$35,157,851 | $3.68 | 97 |
| 2024 Q4 | 7,530,429 | $12,132,539 | -$1,420,510 | $1.61 | 42 |
| 2024 Q3 | 10,580,181 | $8,052,445 | -$13,944,974 | $0.76 | 44 |
| 2024 Q2 | 17,514,972 | $31,525,823 | -$913,690 | $1.80 | 65 |
| 2024 Q1 | 17,686,789 | $84,186,603 | +$9,049,608 | $4.76 | 64 |
| 2023 Q4 | 15,922,894 | $46,174,457 | -$4,038,844 | $2.90 | 65 |
| 2023 Q3 | 17,365,514 | $23,442,312 | -$2,414,040 | $1.35 | 54 |
| 2023 Q2 | 17,946,652 | $38,585,361 | -$1,638,264 | $2.15 | 69 |
| 2023 Q1 | 18,435,060 | $53,643,107 | -$628,420 | $2.91 | 74 |
| 2022 Q4 | 17,541,685 | $120,448,453 | +$11,139,196 | $6.87 | 82 |
| 2022 Q3 | 17,121,046 | $54,359,566 | -$973,632 | $3.18 | 73 |
| 2022 Q2 | 17,426,518 | $56,389,919 | -$7,205,201 | $3.21 | 72 |
| 2022 Q1 | 19,730,409 | $59,879,991 | -$1,519,450 | $3.03 | 81 |
| 2021 Q4 | 19,985,187 | $88,986,241 | -$15,135,210 | $4.46 | 77 |
| 2021 Q3 | 21,315,432 | $139,872,997 | -$55,373,438 | $6.56 | 94 |
| 2021 Q2 | 23,330,466 | $373,704,997 | +$47,745,072 | $16.02 | 105 |
| 2021 Q1 | 20,737,501 | $256,439,000 | +$112,752,659 | $12.37 | 80 |
| 2020 Q4 | 11,650,490 | $129,426,000 | +$8,081,210 | $11.11 | 58 |
| 2020 Q3 | 12,101,988 | $58,827,000 | +$11,426,082 | $4.86 | 53 |
| 2020 Q2 | 10,812,204 | $20,868,577 | -$2,710,306 | $1.93 | 52 |
| 2020 Q1 | 12,223,726 | $23,102,925 | -$8,001,640 | $1.89 | 59 |