Neuronetics, Inc.
STIM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001227636
In the last 90 days, Neuronetics, Inc. insiders filed 2 open-market purchases and 0 sales; 86 institutions reported holding it in 13F filings for Q2 2026, worth $48.4M in total; no superinvestor holds it.
Holders of 5% or more of STIM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Neuronetics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Madryn Asset Management, LP | 13D/A | 30.30%20.7M shares | −1.10 ppfrom 31.40% | Aug 12, 20252 filings | Mar 4, 2026 | SEC |
| Chernett Jorey | 13D | 14.12%9.78M shares | +3.27 ppfrom 10.85% | Mar 18, 20262 filings | Mar 31, 2026 | SEC |
| Chernett Jorey | 13G/A | 9.90%6.83M shares | +3.50 ppfrom 6.40% | Nov 24, 20252 filings | Feb 4, 2026 | SEC |
| Parian Ultreia LP | 13G | 7.00%4.84M shares | New | Mar 17, 20261 filing | Mar 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Neuronetics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 31, 20264:05 PM ET | Chernett Jorey | 13D | 14.12%9.78M shares | +3.27 ppfrom 10.85% | Mar 31, 2026 | SEC |
| Mar 18, 20269:20 AM ET | Chernett Jorey | 13G/A | 10.85%7.52M shares | – | Mar 17, 2026 | SEC |
| Mar 17, 20261:09 PM ET | Parian Ultreia LP | 13G | 7.00%4.84M shares | New | Mar 17, 2026 | SEC |
| Mar 4, 20265:33 PM ET | Madryn Asset Management, LPand 7 others | 13D/A | 30.30%20.7M shares | −1.10 ppfrom 31.40% | Mar 2, 2026 | SEC |
| Feb 4, 20262:29 PM ET | Chernett Jorey | 13G/A | 9.90%6.83M shares | +3.50 ppfrom 6.40% | Jan 30, 2026 | SEC |
| Nov 24, 20252:31 PM ET | Chernett Jorey | 13G | 6.40%4.40M shares | New | Nov 17, 2025 | SEC |
| Aug 12, 20254:15 PM ET | Madryn Asset Management, LPand 7 others | 13D/A | 31.40%20.7M shares | – | Aug 8, 2025 | SEC |
| Feb 14, 20252:17 PM ET | Kent Lake PR LLCand 2 others | 13G/A | 0.00%0 shares | −6.90 ppfrom 6.90%Below 5% | Dec 31, 2024 | SEC |
| Nov 14, 20242:32 PM ET | Kent Lake PR LLCand 3 others | 13G | 6.90%2.08M shares | New | Sep 30, 2024 | SEC |
| Nov 14, 202411:32 AM ET | Parian Global Management LPand 2 others | 13G/A | 0.00%0 shares | –Below 5% | Jun 1, 2023 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Neuronetics, Inc. shares.
No Form 144 notices for Neuronetics, Inc. are on file.