StockData
MNOVNasdaqPharmaceutical PreparationsFiscal year ends December 31

MEDICINOVA INC

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$1.40−0.02 (-1.41%)

Close on Oct 19, 2026

Market cap
$68.91M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
10.5%
5M of 49M shares
Institutional holders
29
3 new, 4 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 1 sales
Net sold $1.73M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
3D Investment Partners Pte. Ltd.4,862,0479.90%13D (active) amendmentSep 25, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of MNOVValueChange% of portfolio
Essex Woodlands Management, Inc.1,105,9412.25%$1.46M–0.57%
BlackRock, Inc.752,0911.53%$992.76K+46,1370.00%
Citigroup Inc635,7151.29%$839.14K–0.00%
Vanguard Capital Management LLC609,0521.24%$803.95K−1,9870.00%
Geode Capital Management, LLC539,3121.10%$712.09K−4,5310.00%
Vanguard Fiduciary Trust Co282,6080.57%$373.04K+1,9870.00%
UBS Group AG222,2000.45%$293.30K–0.00%
Renaissance Technologies LLC205,4000.42%$271.13K+15,5000.00%
State Street Corp193,6980.39%$255.68K–0.00%
Northern Trust Corp143,6650.29%$189.64K+10,5020.00%
Bank of New York Mellon Corp78,2770.16%$103.33K–0.00%
Charles Schwab Investment Management Inc71,5060.15%$94.39K–0.00%
Bridgeway Capital Management, LLC56,0310.11%$73.96K–0.00%
SBI Securities Co., Ltd.51,4790.10%$67.95K+6,6030.00%
Dimensional Fund Advisors LP50,5520.10%$66.73K–0.00%
Barclays PLC42,8060.09%$56.50K−120,0940.00%
Schonfeld Strategic Advisors LLC36,1570.07%$47.73K−2190.00%
Susquehanna International Group, Llp26,7520.05%$35.31K−17,1740.00%
Jane Street Group, LLC15,8180.03%$20.88K−71,2670.00%
Vanguard Global Advisers, LLC15,5990.03%$20.59K–0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026295M10.5%3 / 58 / 40M0M
Q1 2026305M11.0%5 / 89 / 71M0M
Q4 2025335M10.7%9 / 89 / 20M0M
Q3 2025265M10.4%4 / 86 / 10M0M
Q2 2025235M10.5%0 / 49 / 50M0M
Q1 2025285M10.6%2 / 710 / 40M0M
Q4 2024305M10.6%5 / 115 / 50M0M
Q3 2024305M10.0%4 / 511 / 61M0M
Q2 2024335M9.7%5 / 215 / 70M0M
Q1 2024355M9.6%5 / 712 / 40M0M
Q4 2023345M10.1%6 / 108 / 20M0M
Q3 2023305M10.2%3 / 512 / 70M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of MNOVValue% of fundAs of
Vanguard Extended Market Index Fund609,0521.24%$803.95K0.00%Jun 30, 2026
Fidelity Extended Market Index Fund255,1410.52%$346.99K0.00%May 31, 2026
iShares Micro-Cap ETF158,9760.32%$209.85K0.01%Jun 30, 2026
Fidelity Total Market Index Fund87,5750.18%$119.10K0.00%May 31, 2026
Schwab Total Stock Market Index Fund71,5060.15%$95.10K0.00%Jul 31, 2026
Fidelity Series Total Market Index Fund68,4060.14%$93.03K0.00%May 31, 2026
Ultra-Small Company Market Fund50,2470.10%$66.33K0.04%Jun 30, 2026
Fidelity Nasdaq Composite Index Fund25,9660.05%$35.31K0.00%May 31, 2026
Small Cap Core Fund13,8940.03%$18.34K0.00%Jun 30, 2026
1290 VT Micro Cap Portfolio10,5250.02%$13.89K0.01%Jun 30, 2026
LVIP Dimensional U.S. Core Equity 2 Fund6,6930.01%$8.83K0.00%Jun 30, 2026
AST Small-Cap Equity Portfolio4,9300.01%$6.51K0.00%Jun 30, 2026
JNL/DFA U.S. Small Cap Fund3,0000.01%$3.96K0.00%Jun 30, 2026
Blackstone Alternative Multi-Strategy Fund1000.00%$1320.00%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Yuichi IwakiPresident and CEO1,091,9332.22%Jan 20, 2026
Kazuko MatsudaChief Medical Officer322,9960.66%Jan 20, 2026
Hideki NagaoDirector0–Jun 25, 2026
Carolyn BeaverDirector––Jun 25, 2026
Nicole LemerondDirector––Jun 25, 2026
Opportunity Master Fund 3D–4,862,0479.88%Sep 29, 2026
Investment Partners Pte. Ltd. 3D–––Sep 29, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Opportunity Master Fund 3D
–
Sep 25, 2026Sale−640,000$2.70$1.73M4,862,047
Hideki Nagao
Director
Nov 28, 2022Sale−6,754$2.25$15.20K0
Hideki Nagao
Director
Nov 22, 2022Sale−218$2.13$4646,754
Hideki Nagao
Director
Nov 21, 2022Sale−5,365$2.18$11.70K6,972
Hideki Nagao
Director
Nov 17, 2022Sale−309$2.18$67412,337
Kazuko Matsuda
Chief Medical Officer, Director
Aug 23, 2021Option exercise+60,000$2.30$138.00K322,996
Yuichi Iwaki
President and CEO, Director
Jul 9, 2021Option exercise+39,583$2.54$100.54K966,933
Kazuko Matsuda
Chief Medical Officer, Director
Jun 24, 2021Option exercise+46,554$2.54$118.25K206,746
Kazuko Matsuda
Chief Medical Officer, Director
Jun 24, 2021Option exercise+56,250$2.46$138.38K262,996
Geoffrey OBrien
Vice President
May 19, 2021Option exercise+11,318$2.46$27.84K48,318
Geoffrey OBrien
Vice President
May 19, 2021Option exercise+32,000$2.54$81.28K37,000
Hideki Nagao
Director
Mar 11, 2021Sale−2,354$7.40$17.42K12,646
Yuichi Iwaki
President and CEO, Director
Feb 25, 2021Option exercise+86,250$2.46$212.18K927,350
Hideki Nagao
Director
Sep 15, 2020Sale−1,000$5.78$5.78K15,000
Hideki Nagao
Director
Aug 6, 2020Option exercise+15,000$2.58$38.70K16,000
Kazuko Matsuda
Chief Medical Officer, Director
Jun 12, 2020Option exercise+20,000$5.13$102.60K160,192
Yuichi Iwaki
President and CEO, Director
Apr 8, 2020Option exercise+60,417$2.54$153.46K841,100
Kazuko Matsuda
Chief Medical Officer, Director
Apr 8, 2020Option exercise+28,446$2.54$72.25K140,192
Kazuko Matsuda
Chief Medical Officer, Director
Mar 13, 2020Buy+2,000$3.62$7.24K111,746
Kazuko Matsuda
Chief Medical Officer, Director
Mar 13, 2020Buy+2,000$3.62$7.24K111,476
Yuichi Iwaki
President and CEO, Director
Mar 12, 2020Buy+20,000$3.10$62.00K780,683
Kazuko Matsuda
Chief Medical Officer
Jun 12, 2019Option exercise+37,000$4.80$177.60K109,457
Hideki Nagao
Director
May 13, 2019Option exercise+1,000$2.77$2.77K1,000
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+42,500$4.10$174.25K460,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+80,000$4.10$328.00K418,030
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+105,000$2.64$277.20K565,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+120,000$3.91$469.20K835,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+30,000$3.91$117.30K715,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+15,000$3.24$48.60K580,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+100,000$6.10$610.00K935,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+105,000$7.00$735.00K1,040,530
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+35,700$7.34$262.04K189,280
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+85,000$2.54$215.90K274,280
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+63,750$2.46$156.83K338,030
Masatsune Okajima
VP and Head of Japanese Office
Feb 28, 2019Option exercise+105,000$3.09$324.45K685,530
Masatsune Okajima
VP and Head of Japanese Office
Jan 9, 2019Option exercise+41,250$2.20$90.75K153,580
Yuichi Iwaki
President and CEO, Director
Jan 3, 2019Option exercise+18,572$2.20$40.86K759,392
Yuichi Iwaki
President and CEO, Director
Mar 5, 2018Option exercise+50,003$2.20$110.01K740,594
Yuichi Iwaki
President and CEO, Director
Jan 3, 2018Option exercise+53,363$4.42$235.86K690,591
Masatsune Okajima
VP and Head of Japanese Office
Dec 12, 2017Option exercise+48,000$4.42$212.16K108,941
Yuichi Iwaki
President and CEO, Director
Nov 2, 2017Option exercise+21,067$4.42$93.12K637,228
Yoshio Ishizaka
Director
Aug 21, 2017Buy+5,000$5.17$25.85K10,000
Yutaka Kobayashi
Director
May 15, 2017Buy+1,000$5.60$5.60K25,000
Yutaka Kobayashi
Director
May 12, 2017Buy+24,000$5.62$134.88K24,000
Yutaka Kobayashi
Director
Sep 15, 2016Buy+11,800$6.44$75.99K81,800
Yutaka Kobayashi
Director
Sep 9, 2016Buy+10,000$6.67$66.70K70,000
Geoffrey OBrien
Vice President
Jul 5, 2016Option exercise+3,300$4.80$15.84K8,300
Geoffrey OBrien
Vice President
Jul 5, 2016Sale(10b5-1 plan)−3,300$8.00$26.40K5,000
Kazuko Matsuda
Chief Medical Officer
Mar 14, 2016Option exercise+800$3.56$2.85K62,003
Masatsune Okajima
VP and Head of Japanese Office
Mar 14, 2016Option exercise+8,400$3.56$29.90K51,138
Yutaka Kobayashi
Director
Dec 10, 2014Buy+12,000$3.54$42.48K60,000
Yutaka Kobayashi
Director
Nov 26, 2014Buy+10,000$3.07$30.70K48,000
Yutaka Kobayashi
Director
Nov 20, 2014Buy+13,000$3.19$41.47K38,000
Yoshio Ishizaka
Director
Nov 19, 2014Buy+5,000$2.86$14.30K5,000
Yutaka Kobayashi
Director
Sep 11, 2014Buy+10,000$2.95$29.50K25,000
Yutaka Kobayashi
Director
Sep 3, 2014Buy+100$2.66$2665,100
Yutaka Kobayashi
Director
Sep 3, 2014Buy+5,000$2.63$13.15K5,000
Yutaka Kobayashi
Director
Sep 3, 2014Buy+9,900$2.67$26.43K15,000
Tatsuo Izumi
Director
Dec 12, 2013Sale−970$2.17$2.10K600,000
Tatsuo Izumi
Director
Dec 12, 2013Sale−70,300$2.10$147.63K600,970

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.