MediciNova, Inc.
MediciNova, Inc. (MNOV) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MNOV · as of Sep 30, 2025
Ownership Breakdown
25
Institutional Holders
▲ 2 vs Q2
$6.49M
Total Inst. Value
▼ $286,040 vs Q2
49.22M
Shares Outstanding
freeFloat 85.85%
5.13M
13F Shares Held
▼ 42,757 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
MNOV largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ESSEX WOODLANDS MANAGEMENT, INC. pharmaceutical preparations | 1.11M | 2.25% | 2.25% | $1.40B | Nov 12, 2025 | — held |
VANGUARD GROUP INC pharmaceutical preparations | 700.4K | 1.43% | 1.43% | $882.49M | Nov 7, 2025 | ▲ 13.8K |
BLACKROCK, INC. pharmaceutical preparations | 699.0K | 1.43% | 1.43% | $887.69M | Nov 12, 2025 | ▲ 3.3K |
CITIGROUP INC pharmaceutical preparations | 594.1K | 1.21% | 1.21% | $748.51M | Nov 10, 2025 | ▲ 2.1K |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 529.7K | 1.08% | 1.08% | $667.60M | Nov 12, 2025 | ▲ 3.8K |
UBS GROUP AG pharmaceutical preparations | 222.3K | 45.32% | 45.32% | $282.28M | Nov 13, 2025 | ▲ 67 |
RENAISSANCE TECHNOLOGIES LLC pharmaceutical preparations | 192.5K | 39.25% | 39.25% | $244.47M | Nov 13, 2025 | ▲ 13.8K |
STATE STREET CORP pharmaceutical preparations | 174.6K | 35.60% | 35.60% | $219.99M | Nov 14, 2025 | — held |
NORTHERN TRUST CORP pharmaceutical preparations | 134.7K | 27.47% | 27.47% | $171.12M | Nov 14, 2025 | ▼ 5.0K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP pharmaceutical preparations | 122.9K | 25.05% | 25.05% | $154.83M | Nov 14, 2025 | ▼ 127.5K |
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
+40.9K shares2
New Positions
first time holders6
Decreased
−156.2K shares1
Sold Out
fully exitedNet shares change (top 50)
115.3K
+40.9K / −156.2K
Net new holders
+3
2 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MNOV insider trading · insider activity
Source: SEC Form 4
7
Buy transactions
0
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Matsuda Kazuko Chief Medical Officer | Jan 16, 2026 | Award | 350,000 | $2.10 | $735.0K | 350.0K | Form 4 ↗ |
IWAKI YUICHI President and CEO | Jan 16, 2026 | Award | 450,000 | $2.10 | $945.0K | 450.0K | Form 4 ↗ |
Nagao Hideki director | Jun 17, 2025 | Award | 20,000 | $1.26 | $25.2K | 20.0K | Form 4 ↗ |
Lemerond Nicole director | Jun 17, 2025 | Award | 20,000 | $1.26 | $25.2K | 20.0K | Form 4 ↗ |
BEAVER CAROLYN director | Jun 17, 2025 | Award | 20,000 | $1.26 | $25.2K | 20.0K | Form 4 ↗ |
Nagao Hideki director | Feb 12, 2025 | Award | 24,500 | $1.84 | $45.1K | 24.5K | Form 4 ↗ |
Matsuda Kazuko Chief Medical Officer | Feb 12, 2025 | Award | 100,000 | $1.84 | $184.0K | 100.0K | Form 4 ↗ |
Lemerond Nicole director | Feb 12, 2025 | Award | 24,500 | $1.84 | $45.1K | 24.5K | Form 4 ↗ |
IWAKI YUICHI President and CEO | Feb 12, 2025 | Award | 100,000 | $1.84 | $184.0K | 100.0K | Form 4 ↗ |
BEAVER CAROLYN director | Feb 12, 2025 | Award | 24,500 | $1.84 | $45.1K | 24.5K | 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
MediciNova, Inc. (MNOV) is primarily owned by institutional investors, who hold approximately 10.4% of total shares outstanding. Company insiders own approximately 14.15%, while retail and public investors account for the remaining 75.43%.
The largest institutional shareholder of MediciNova, Inc. is ESSEX WOODLANDS MANAGEMENT, INC., holding approximately 1.11 million shares — equal to 2.25% of outstanding shares — as of September 30, 2025.
A total of 25 institutional investors currently hold MNOV stock, with a combined institutional value of approximately $6,488,274 as of the most recent 13F filing period.
Frequently asked questions
MNOV ownershipMediciNova, Inc. (MNOV) is primarily owned by institutional investors, who hold approximately 10.4% of shares. The largest shareholder is ESSEX WOODLANDS MANAGEMENT, INC. with a 2.25% stake. Company insiders hold 14.15%. Data sourced from SEC Form 13F as of September 30, 2025.