Neuroone Medical Technologies Corp
NMTC- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001500198
In the last 90 days, Neuroone Medical Technologies Corp insiders filed 1 open-market purchase and 1 sale; 26 institutions reported holding it in 13F filings for Q2 2026, worth $6.21M in total; no superinvestor holds it.
Holders of 5% or more of NMTC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Neuroone Medical Technologies Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Merchant Adventure Fund, L.P. | 13G/A | 13.60%4.20M shares | +8.40 ppfrom 5.20% | Jan 26, 20242 filings | Feb 4, 2025 | SEC |
| Bleichroeder LP | 13G | 8.03%4.00M shares | New | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
| Pratt Brian | 13G | 7.40%627.3K shares | New | Apr 21, 20261 filing | Apr 21, 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 Neuroone Medical Technologies Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 21, 20268:18 PM ET | Pratt Brianand 1 other | 13G | 7.40%627.3K shares | New | Apr 14, 2026 | SEC |
| Nov 12, 20258:00 AM ET | Sio Capital Management, LLC | 13G/A | 4.72%2.36M shares | −2.35 ppfrom 7.07%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 202511:17 AM ET | Bleichroeder LPand 2 others | 13G | 8.03%4.00M shares | New | Jun 30, 2025 | SEC |
| Aug 13, 20252:00 PM ET | Sio Capital Management, LLC | 13G | 7.07%3.52M shares | New | Jun 30, 2025 | SEC |
| May 15, 20253:49 PM ET | Lytton Laurence W | 13G/A | 2.60%1.30M shares | –Below 5% | Mar 31, 2025 | SEC |
| May 9, 20253:47 PM ET | AWM Investment Company, Inc. | 13G/A | 4.80%2.35M shares | –Below 5% | Mar 31, 2025 | SEC |
| Feb 14, 20253:11 PM ET | Manchester Management Co LLCand 4 others | 13G/A | 4.90%1.58M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 4, 20254:51 PM ET | Merchant Adventure Fund, L.P. | 13G/A | 13.60%4.20M shares | +8.40 ppfrom 5.20% | Dec 31, 2024 | SEC |
| Nov 14, 20244:53 PM ET | Nantahala Capital Management, LLCand 2 others | 13G/A | 2.60%798.8K shares | –Below 5% | Sep 30, 2024 | SEC |
| Jan 26, 20245:58 PM ET | Merchant Adventure Fund, L.P. | 13G | 5.20%1.25M shares | New | Jan 10, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Neuroone Medical Technologies Corp shares.
No Form 144 notices for Neuroone Medical Technologies Corp are on file.