MediciNova, Inc. (MNOV) Ownership

NASDAQ: MNOVTop holders, insider trades and short interest.

MNOV ownership summary

as of October 18, 2026
Institutions
20.4%
of shares outstanding
Insiders
2.86%
of shares outstanding
Shares outstanding
49.2M
Float
42.9M
shares available to trade
Short interest
0.71%
339K shares short
Days to cover
0.41
short interest down 9.5% vs prior month
  • Institutions 20.38%
  • Insiders 2.86%
  • Other investors 76.75%

MNOV top institutional holders

20 largest
MediciNova, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Essex Woodlands Health Ventures2.25%1.1M$1.6M—June 30, 2026
2BlackRock Inc1.53%752K$1.1M+46,137 (+6.5%)June 30, 2026
3Citigroup Inc1.29%636K$902,715—June 30, 2026
4Vanguard Capital Management, LLC1.24%609K$864,854−1,987 (−0.3%)June 30, 2026
5Geode Capital Management, LLC1.10%539K$765,823−4,531 (−0.8%)June 30, 2026
6Vanguard Fiduciary Trust Co0.57%283K$401,303+1,987 (+0.7%)June 30, 2026
7UBS Group AG0.45%222K$315,524—June 30, 2026
8Renaissance Technologies Corp0.42%205K$291,668+15,500 (+8.2%)June 30, 2026
9State Street Corp0.39%194K$275,051—June 30, 2026
10Northern Trust Corp0.29%144K$204,004+10,502 (+7.9%)June 30, 2026
11Bank of New York Mellon Corp0.16%78K$111,153—June 30, 2026
12Charles Schwab Investment Management Inc0.15%72K$101,539—June 30, 2026
13Bridgeway Capital Management, LLC0.11%56K$79,564—June 30, 2026
14SBI Securities Co Ltd0.10%51K$73,100+6,603 (+14.7%)June 30, 2026
15Dimensional Fund Advisors, Inc.0.10%51K$71,784—June 30, 2026
16Barclays PLC0.09%43K$60,785−120,094 (−73.7%)June 30, 2026
17Schonfeld Strategic Advisors LLC0.07%36K$51,343−219 (−0.6%)June 30, 2026
18Susquehanna International Group, LLP0.05%27K$37,988−17,174 (−39.1%)June 30, 2026
19Jane Street Group LLC0.03%16K$22,462−71,267 (−81.8%)June 30, 2026
20Vanguard Global Advisers, LLC0.03%16K$22,151—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 5 holders added 81K shares and 6 cut 215K.

MNOV top mutual fund and ETF holders

17 largest
MediciNova, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Extended Market Index0.51%250K$354,804−1,343 (−0.5%)August 31, 2026
2iShares Micro-Cap ETF0.31%152K$215,349−1,046 (−0.7%)September 30, 2026
3Fidelity Total Market Index0.18%88K$124,356—August 31, 2026
4Schwab Total Stock Market Index0.15%72K$101,539—August 31, 2026
5Fidelity Series Total Market Index0.14%68K$97,137—August 31, 2026
6EA Bridgeway Ultra-Small Company Mkt ETF0.10%50K$70,436—September 30, 2026
7Fidelity Nasdaq Composite Index0.05%25K$34,837—August 31, 2026
8Vanguard U.S. Eq Idx £ Acc0.03%16K$22,151—August 31, 2026
9Northern Small Cap Core I0.03%14K$19,729—June 30, 2026
10Dimensional Global Core Equity USD Acc0.02%12K$17,430—August 31, 2026
111290 VT Micro Cap K0.02%11K$14,946—August 31, 2026
12LVIP Dimensional US Core Equity 2 Std0.01%6,693$9,504—June 30, 2026
13AST Small-Cap Equity Portfolio0.01%4,930$7,001—August 31, 2026
14Dimensional World Equity GBP Acc0.01%4,667$6,627—August 31, 2026
15Dimensional US Sm Company EUR Acc0.01%3,487$4,952—August 31, 2026
16Dimensional Global Small Coms USD Acc0.01%3,200$4,544—August 31, 2026
17JNL/DFA US Small Cap A0.01%3,000$4,260—June 30, 2026

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

MNOV insider transactions

latest 2
MediciNova, Inc. insider transactions
DateNameTransactionPriceSharesValue
2022-11-28Hideki NagaoSell$2.256,754$15,196
2022-11-17Hideki NagaoSell$2.18309$674

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.

MNOV shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MNOV

Institutional investors own 20.4% of MediciNova's shares and insiders 2.86%. The largest holder is Essex Woodlands Health Ventures with 2.25% of the shares (1.1M), as of June 30, 2026. Among the top 20 institutions, 5 added shares and 6 reduced their stake in the latest filings. Short interest is 0.71% of the float, or 0.41 days of average trading volume. The share count rose 99.9% since 2014.

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

MNOV ownership FAQ

Who owns the most MediciNova stock?

The largest shareholders of MediciNova are Essex Woodlands Health Ventures (2.25%), BlackRock Inc (1.53%), Citigroup Inc (1.29%), Vanguard Capital Management, LLC (1.24%), Geode Capital Management, LLC (1.10%).

What percentage of MediciNova is owned by institutions?

Institutions hold 20.4% of MediciNova's shares outstanding; insiders hold 2.86%.

Which funds own MediciNova?

The largest fund holders of MediciNova are Fidelity Extended Market Index (0.51%), iShares Micro-Cap ETF (0.31%), Fidelity Total Market Index (0.18%), Schwab Total Stock Market Index (0.15%), Fidelity Series Total Market Index (0.14%).

What is MediciNova's short interest?

339K shares of MediciNova were sold short, 0.71% of the float; at the average daily volume it would take 0.41 days to cover.

Are insiders buying or selling MediciNova?

Of the latest 2 reported insider transactions in MediciNova (since November 17, 2022), 0 were purchases and 2 were sales.

How many shares of MediciNova are outstanding?

MediciNova has 49.2M shares outstanding, of which 42.9M are in the public float.

Biotechnology: ownership