NeuroOne Medical Technologies Corporation
NeuroOne Medical Technologies Corporation (NMTC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NMTC · as of Sep 30, 2025
Ownership Breakdown
36
Institutional Holders
▲ 5 vs Q2
$12.80M
Total Inst. Value
▲ $3.62M vs Q2
8.62M
Shares Outstanding
freeFloat 90.94%
14.41M
13F Shares Held
▲ 873,880 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NMTC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLEICHROEDER LP surgical & medical instruments & apparatus | 4.00M | 8.23% | 8.23% | $3.55B | Nov 14, 2025 | — held |
SIO CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 2.36M | 4.86% | 4.86% | $2.10B | Nov 13, 2025 | ▼ 1.16M |
BARD ASSOCIATES INC surgical & medical instruments & apparatus | 1.85M | 3.81% | 3.81% | $1.64B | Nov 14, 2025 | ▼ 3.6K |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 1.58M | 3.25% | 3.25% | $1.40B | Nov 7, 2025 | ▲ 375.6K |
PERKINS CAPITAL MANAGEMENT INC surgical & medical instruments & apparatus | 1.47M | 3.02% | 3.02% | $1.30B | Oct 31, 2025 | ▼ 32.0K |
AWM INVESTMENT COMPANY, INC. surgical & medical instruments & apparatus | 916.7K | 1.89% | 1.89% | $814.55M | Nov 13, 2025 | NEW |
RENAISSANCE TECHNOLOGIES LLC surgical & medical instruments & apparatus | 692.6K | 1.43% | 1.43% | $615.44M | Nov 13, 2025 | ▲ 223.7K |
GEODE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 496.8K | 1.02% | 1.02% | $441.55M | Nov 12, 2025 | ▲ 148.0K |
CITADEL ADVISORS LLC surgical & medical instruments & apparatus | 206.3K | 42.44% | 42.44% | $183.30M | Nov 14, 2025 | ▲ 136.3K |
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. surgical & medical instruments & apparatus | 121.0K | 24.89% | 24.89% | $108.00M | Nov 12, 2025 | ▲ 40.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
8
Increased
+988.4K shares10
New Positions
first time holders8
Decreased
−1.36M shares5
Sold Out
fully exitedNet shares change (top 50)
375.0K
+988.4K / −1.36M
Net new holders
+5
10 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NMTC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
11
Sell transactions
0.18
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Mills Jason Richard director | Apr 3, 2026 | Award | 41,929 | — | — | 49.7K | Form 4 ↗ |
Mills Jason Richard director | Apr 3, 2026 | Award | 26,036 | $0.80 | $20.7K | 26.0K | Form 4 ↗ |
MATHIESEN JEFFREY S director | Apr 3, 2026 | Award | 41,929 | — | — | 156.3K | Form 4 ↗ |
MATHIESEN JEFFREY S director | Apr 3, 2026 | Award | 26,036 | $0.80 | $20.7K | 26.0K | Form 4 ↗ |
BUCKMAN PAUL director | Apr 3, 2026 | Award | 41,929 | — | — | 178.7K | Form 4 ↗ |
BUCKMAN PAUL director | Apr 3, 2026 | Award | 26,036 | $0.80 | $20.7K | 26.0K | Form 4 ↗ |
Andrle Edward director | Apr 3, 2026 | Award | 41,929 | — | — | 133.9K | Form 4 ↗ |
Andrle Edward director | Apr 3, 2026 | Award | 26,036 | $0.80 | $20.7K | 26.0K | Form 4 ↗ |
Christianson Mark Business Development Director | Mar 30, 2026 | Sale | 15,363 | $0.74 | $11.4K | 198.9K | Form 4 ↗ |
Christianson Mark Business Development Director | Mar 31, 2026 | Tax Withhold | 253 | $0.78 | $196.581 | 198.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
NeuroOne Medical Technologies Corporation (NMTC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 9.06%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of NeuroOne Medical Technologies Corporation is BLEICHROEDER LP, holding approximately 4.00 million shares — equal to 8.23% of outstanding shares — as of September 30, 2025.
A total of 36 institutional investors currently hold NMTC stock, with a combined institutional value of approximately $12,801,427 as of the most recent 13F filing period.
Frequently asked questions
NMTC ownershipNeuroOne Medical Technologies Corporation (NMTC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLEICHROEDER LP with a 8.23% stake. Company insiders hold 9.06%. Data sourced from SEC Form 13F as of September 30, 2025.