Security key
64131A105
Neuronetics, Inc. - Common Stock, $0.01 par value (STIM)
CUSIP: 64131A105
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock, $0.01 par value
- Shares outstanding
- 69,254,377
- Total 13F shares
- 41,645,979
- Share change
- -567,637
- Total reported value
- $60,363,694
- Put/Call ratio
- 64%
- Price per share
- $1.45
- Number of holders
- 99
- Value change
- -$718,050
- Number of buys
- 48
- Number of sells
- 44
Report period
Q1 2026
Institutions
99
Top holders
10
STIM full security history
Previous quarter: Q4 2025
Neuronetics, Inc. SEC filings
Neuronetics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 64131A105
Recent filing periods:
Top shareholders of STIM - Neuronetics, Inc. - Common Stock, $0.01 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Madryn Asset Management, LP |
13D/G
3/4/5
13F
|
10%+ Owner · Company |
30%
|
20,737,061
|
$32,764,556 | $0 | 02 Mar 2026 | |
| Jorey Chernett |
13D/G
|
Chernett Jorey |
9.9%
|
6,827,031
|
— | $0 | 30 Jan 2026 | |
| MADRYN HEALTH ADVISORS GP II, LLC |
3/4/5
|
10%+ Owner |
25%
|
17,044,940
|
$21,987,972 | — | 10 Jul 2025 | |
| MADRYN HEALTH ADVISORS II, LP |
3/4/5
|
10%+ Owner |
25%
|
17,044,940
|
$21,987,972 | — | 10 Jul 2025 | |
| MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP |
3/4/5
|
10%+ Owner |
25%
|
17,044,940
|
$21,987,972 | — | 10 Jul 2025 | |
| Madryn Health Partners II, LP |
3/4/5
|
10%+ Owner |
25%
|
17,044,940
|
$21,987,972 | — | 10 Jul 2025 | |
| Sasha Cucuz |
3/4/5
|
Director |
2.9%
|
2,030,924
|
$5,544,421 | — | 20 Oct 2025 | |
| Keith J. Sullivan |
3/4/5
|
Former Officer & Director |
2.3%
|
1,590,924
|
$2,131,838 | -$192,798 | 19 Mar 2026 | |
| Daniel L. Reuvers |
3/4/5
|
President and CEO |
2.2%
|
1,500,000
|
$1,905,000 | — | 23 Mar 2026 | |
| William Andrew Macan |
3/4/5
|
EVP, CLO and CS |
1.3%
|
897,270
|
$1,202,341 | -$55,589 | 19 Mar 2026 | |
| Steven Pfanstiel |
3/4/5
|
Former EVP, CFO and Treasurer |
1.2%
|
836,643
|
$1,121,101 | -$11,482 | 19 Mar 2026 | |
| Robert Cascella |
3/4/5
|
Director |
0.85%
|
588,767
|
$1,607,333 | — | 20 Oct 2025 | |
| Glenn P. Muir |
3/4/5
|
Director |
0.54%
|
371,816
|
$1,015,057 | — | 20 Oct 2025 | |
| Sheryl L. Conley |
3/4/5
|
Director |
0.32%
|
221,716
|
$605,284 | — | 20 Oct 2025 | |
| Megan Rosengarten |
3/4/5
|
Director |
0.2%
|
140,890
|
$597,373 | — | 22 May 2025 | |
| Avinash Amin |
3/4/5
|
Director |
0.06%
|
42,500
|
$180,200 | — | 22 May 2025 | |
| UBS Group AG |
13F
|
Company |
3.8%
|
2,607,047
|
$3,597,725 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.7%
|
2,582,382
|
$3,563,687 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
3.7%
|
2,552,404
|
$3,522,318 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
3.4%
|
2,353,751
|
$3,248,177 | — | 31 Dec 2025 | |
| Lane Generational LLC |
13F
|
Company |
2.5%
|
1,705,197
|
$2,353,172 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
1.5%
|
1,017,862
|
$1,404,650 | — | 31 Dec 2025 | |
| MASTERS CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.4%
|
1,000,000
|
$1,380,000 | — | 31 Dec 2025 | |
| FourWorld Capital Management LLC |
13F
|
Company |
1.3%
|
931,250
|
$1,285,125 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.3%
|
891,733
|
$1,230,805 | — | 31 Dec 2025 | |
| Ikarian Capital, LLC |
13F
|
Company |
1%
|
701,182
|
$967,631 | — | 31 Dec 2025 | |
| WEXFORD CAPITAL LP |
13F
|
Company |
0.93%
|
644,951
|
$890,030 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.84%
|
584,167
|
$806,150 | — | 31 Dec 2025 | |
| HighTower Advisors, LLC |
13F
|
Company |
0.81%
|
564,306
|
$778,742 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.69%
|
474,900
|
$655,362 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.48%
|
331,954
|
$458,096 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.46%
|
321,561
|
$443,754 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.45%
|
314,194
|
$433,588 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.41%
|
286,045
|
$394,743 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.4%
|
278,400
|
$384,192 | — | 31 Dec 2025 | |
| AdvisorShares Investments LLC |
13F
|
Company |
0.39%
|
270,916
|
$373,864 | — | 31 Dec 2025 | |
| JBF Capital, Inc. |
13F
|
Company |
0.34%
|
233,166
|
$321,769 | — | 31 Dec 2025 | |
| Massar Capital Management, LP |
13F
|
Company |
0.32%
|
221,000
|
$304,980 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.29%
|
198,745
|
$274,268 | — | 31 Dec 2025 | |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
|
Company |
0.25%
|
175,000
|
$241,500 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.24%
|
169,000
|
$233,220 | — | 31 Dec 2025 | |
| Dauntless Investment Group, LLC |
13F
|
Company |
0.23%
|
160,927
|
$222,079 | — | 31 Dec 2025 | |
| Aristides Capital LLC |
13F
|
Company |
0.2%
|
136,400
|
$188,232 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.17%
|
116,431
|
$160,675 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.16%
|
108,208
|
$149,327 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.14%
|
95,205
|
$131,383 | — | 31 Dec 2025 | |
| Caption Management, LLC |
13F
|
Company |
0.13%
|
92,501
|
$127,651 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.13%
|
92,421
|
$127,541 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.13%
|
91,129
|
$125,758 | — | 31 Dec 2025 | |
| GAMCO INVESTORS, INC. ET AL |
13F
|
Company |
0.11%
|
79,200
|
$109,296 | — | 31 Dec 2025 |
Institutional Holders of Neuronetics, Inc. - Common Stock, $0.01 par value (STIM) as of Q1 2026
As of 31 Mar 2026,
Neuronetics, Inc. - Common Stock, $0.01 par value (STIM) was held by
99 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
41,645,979 shares.
The largest 10 holders included
Madryn Asset Management, LP, UBS Group AG, Balyasny Asset Management L.P., BlackRock, Inc., VANGUARD CAPITAL MANAGEMENT LLC, Lane Generational LLC, FourWorld Capital Management LLC, MASTERS CAPITAL MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, and STATE STREET CORP.
This page lists
99
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
95
Q1 2026 holders
99
Holder diff
4
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.