Neuronetics, Inc. - Common Stock, par value $0.01 per share (STIM) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2018 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
STIM on Nasdaq
Shares outstanding
66,041,596
Price per share
$2.20
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
41,446,877
Total reported value
$57,196,653
% of total 13F portfolios
0%
Share change
+2,716,025
Value change
+$2,657,197
Number of holders
91
Price from insider filings
$2.20
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Neuronetics, Inc. - Common Stock, par value $0.01 per share (STIM) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Madryn Asset Management, LP 31% $73,409,196 20,737,061 MADRYN ASSET MANAGEMENT, LP 08 Aug 2025

As of 31 Dec 2025, 91 institutional investors reported holding 41,446,877 shares of Neuronetics, Inc. - Common Stock, par value $0.01 per share (STIM). This represents 63% of the company’s total 66,041,596 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Neuronetics, Inc. - Common Stock, par value $0.01 per share (STIM) together control 59% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Madryn Asset Management, LP 28% 18,475,893 0% 73% $25,496,732
UBS Group AG 3.9% 2,607,047 +20% 0% $3,597,725
VANGUARD GROUP INC 3.9% 2,582,382 -8.8% 0% $3,563,687
Balyasny Asset Management L.P. 3.9% 2,552,404 +40% 0.01% $3,522,318
BlackRock, Inc. 3.6% 2,353,751 +2.2% 0% $3,248,177
Lane Generational LLC 2.6% 1,705,197 2.1% $2,353,172
JANE STREET GROUP, LLC 1.5% 1,017,862 +334% 0% $1,404,650
MASTERS CAPITAL MANAGEMENT LLC 1.5% 1,000,000 0% 0.19% $1,380,000
FourWorld Capital Management LLC 1.4% 931,250 +64% 1.2% $1,285,125
GEODE CAPITAL MANAGEMENT, LLC 1.4% 891,733 +1.7% 0% $1,230,805
WEXFORD CAPITAL LP 0.98% 644,951 -45% 0.23% $890,030
STATE STREET CORP 0.88% 584,167 -0.59% 0% $806,150
HighTower Advisors, LLC 0.85% 564,306 -2.2% 0% $778,742
RENAISSANCE TECHNOLOGIES LLC 0.72% 474,900 0% $655,362
GOLDMAN SACHS GROUP INC 0.5% 331,954 +50% 0% $458,096
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.49% 321,561 +46% 0% $443,754
XTX Topco Ltd 0.48% 314,194 +993% 0.01% $433,588
MARSHALL WACE, LLP 0.43% 286,045 -69% 0% $394,743
NORTHERN TRUST CORP 0.42% 278,400 +0.65% 0% $384,192
AdvisorShares Investments LLC 0.41% 270,916 +43% 0.06% $373,864
JBF Capital, Inc. 0.35% 233,166 0.05% $321,769
Massar Capital Management, LP 0.33% 221,000 -7.9% 0.06% $304,980
TWO SIGMA INVESTMENTS, LP 0.3% 198,745 -41% 0% $274,268
BOOTHBAY FUND MANAGEMENT, LLC 0.26% 175,000 -37% 0.01% $241,500
TWO SIGMA ADVISERS, LP 0.26% 169,000 +62% 0% $233,220

Institutional Holders of Neuronetics, Inc. - Common Stock, par value $0.01 per share (STIM) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 41,446,877 $57,196,653 +$2,657,197 $1.38 91
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
2019 Q4 13,218,553 $59,347,854 -$10,619,599 $4.49 68
2019 Q3 14,663,382 $121,924,326 +$559,570 $8.31 65
2019 Q2 14,778,107 $184,734,102 +$1,320,908 $12.51 58
2019 Q1 14,545,951 $221,820,840 +$31,464,217 $15.25 64
2018 Q4 12,321,242 $238,413,000 -$12,246,834 $19.35 60
2018 Q3 11,955,579 $383,291,000 +$43,186,695 $32.06 73
2018 Q2 10,782,424 $286,911,000 +$286,911,000 $26.61 68