NeuroOne Medical Technologies Corporation (NMTC) Ownership

NASDAQ: NMTCTop holders, insider trades and short interest.

NMTC ownership summary

as of October 18, 2026
Institutions
22.5%
of shares outstanding
Insiders
25.44%
of shares outstanding
Shares outstanding
9.1M
Float
6.3M
shares available to trade
Short interest
2.03%
179K shares short
Days to cover
1.27
short interest up 135.8% vs prior month
  • Institutions 22.45%
  • Insiders 25.44%
  • Other investors 52.10%

NMTC top institutional holders

20 largest
NeuroOne Medical Technologies Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1Bleichroeder LP7.32%667K$640,666−14 (−0.0%)June 30, 2026
2Vanguard Capital Management, LLC3.87%353K$339,016+119,881 (+51.5%)June 30, 2026
3Bard Associates Inc3.35%305K$293,516−1,328 (−0.4%)June 30, 2026
4Perkins Capital Management Inc2.69%245K$235,114+244,656 (0.0%)June 30, 2026
5Geode Capital Management, LLC1.03%94K$89,906−9,048 (−8.8%)June 30, 2026
6Sio Capital Management, LLC0.91%83K$79,539−4 (−0.0%)June 30, 2026
7Renaissance Technologies Corp0.78%71K$68,097−38,382 (−35.1%)June 30, 2026
8CAMBRIDGE Invest RESEARCH ADVISORS, INC.0.63%57K$54,775+28,497 (+100.0%)June 30, 2026
9Vanguard Fiduciary Trust Co0.54%49K$47,106+337 (+0.7%)June 30, 2026
10Essex Investment Management Company, LLC0.48%44K$41,878−82 (−0.2%)June 30, 2026
11BlackRock Inc0.28%25K$24,141+25,121 (0.0%)June 30, 2026
12Northern Trust Corp0.23%21K$20,563+2,710 (+14.5%)June 30, 2026
13Citadel Advisors Llc0.17%15K$14,446+15,032 (0.0%)June 30, 2026
14Susquehanna International Group, LLP0.15%14K$12,993+13,520 (0.0%)June 30, 2026
15Belpointe Asset Management LLC0.14%12K$12,012—June 30, 2026
16Legato Capital Management LLC0.11%10K$9,872−1 (−0.0%)June 30, 2026
17UBS Group AG0.03%2,623$2,521+2,605 (+14,472.2%)June 30, 2026
18Morgan Stanley - Brokerage Accounts0.02%2,058$1,978+42 (+2.1%)June 30, 2026
19Northwestern Mutual Wealth Management Co<0.01%361$347+361 (0.0%)June 30, 2026
20Wells Fargo & Co<0.01%166$160−1 (−0.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 453K shares and 8 cut 49K.

NMTC top mutual fund and ETF holders

8 largest
NeuroOne Medical Technologies Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.80%255K$244,995—August 31, 2026
2Fidelity Extended Market Index0.49%45K$43,057−241 (−0.5%)August 31, 2026
3iShares Micro-Cap ETF0.25%23K$21,671−156 (−0.7%)September 30, 2026
4Fidelity Total Market Index0.15%14K$13,371—August 31, 2026
5Fidelity Series Total Market Index0.13%12K$11,416—August 31, 2026
6Vanguard Balanced Index Inv0.08%7,716$7,415—August 31, 2026
7Fidelity Nasdaq Composite Index0.05%4,663$4,481—August 31, 2026
81290 VT Micro Cap K0.02%1,479$1,421—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

NMTC insider transactions

latest 8
NeuroOne Medical Technologies Corporation insider transactions
DateNameTransactionPriceSharesValue
2026-03-13Mark ChristiansonSell$4.8016$77
2026-03-12Mark ChristiansonSell$4.80136$653
2026-03-11Mark ChristiansonSell$4.80351$1,685
2026-03-10Mark ChristiansonSell$4.801,935$9,288
2026-03-01David J WambekeBuy$4.02166,666$669,997
2025-09-05Mark ChristiansonSell$4.445,000$22,200
2025-05-22Mark ChristiansonSell$3.721,494$5,558
2025-05-21Mark ChristiansonSell$3.902$8

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

NMTC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns NMTC

Institutional investors own 22.5% of NeuroOne Medical Technologies's shares and insiders 25.44%. The largest holder is Bleichroeder LP with 7.32% of the shares (667K), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 8 reduced their stake in the latest filings. Short interest is 2.03% of the float, or 1.27 days of average trading volume. The share count rose 65.4% since 2014.

Related: NMTC analyst forecast, NMTC key metrics. See the NMTC stock overview for the latest quote and news.

NMTC ownership FAQ

Who owns the most NeuroOne Medical Technologies stock?

The largest shareholders of NeuroOne Medical Technologies are Bleichroeder LP (7.32%), Vanguard Capital Management, LLC (3.87%), Bard Associates Inc (3.35%), Perkins Capital Management Inc (2.69%), Geode Capital Management, LLC (1.03%).

What percentage of NeuroOne Medical Technologies is owned by institutions?

Institutions hold 22.5% of NeuroOne Medical Technologies's shares outstanding; insiders hold 25.44%.

Which funds own NeuroOne Medical Technologies?

The largest fund holders of NeuroOne Medical Technologies are Vanguard MStar Total Stk Mkt Idx Invest (2.80%), Fidelity Extended Market Index (0.49%), iShares Micro-Cap ETF (0.25%), Fidelity Total Market Index (0.15%), Fidelity Series Total Market Index (0.13%).

What is NeuroOne Medical Technologies's short interest?

179K shares of NeuroOne Medical Technologies were sold short, 2.03% of the float; at the average daily volume it would take 1.27 days to cover.

Are insiders buying or selling NeuroOne Medical Technologies?

Of the latest 8 reported insider transactions in NeuroOne Medical Technologies (since May 21, 2025), 1 were purchases and 7 were sales.

How many shares of NeuroOne Medical Technologies are outstanding?

NeuroOne Medical Technologies has 9.1M shares outstanding, of which 6.3M are in the public float.

Medical Devices: ownership