Abeona Therapeutics Inc
Ownership
Ownership Structure
Who owns Abeona Therapeutics Inc (ABEO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 63.1% of the shares are freely tradable; institutional investors hold 70.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Nantahala Capital Management, LLC | 17.96 | 10,272,980 | +104.9 | 06/30/2026 |
| BlackRock Inc | 5.86 | 3,352,474 | +4.9 | 06/30/2026 |
| Cable Car Capital LLC | 5.26 | 3,007,329 | +0.0 | 06/30/2026 |
| AIGH Capital Management, LLC | 5.22 | 2,987,000 | -3.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.87 | 2,211,433 | +2.2 | 06/30/2026 |
| Resources Investment Advisors Inc | 2.89 | 1,653,024 | +0.0 | 06/30/2026 |
| Awm Investment Company Inc | 2.60 | 1,486,130 | +85.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.21 | 1,261,090 | +4.2 | 06/30/2026 |
| Kennedy Capital Management Inc | 2.17 | 1,240,071 | -1.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.67 | 1,529,026 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Seshadri Vishwas | Chief Executive Officer | 1,286,500 | 5,660,600 $ | Sep 29, 2026 | direct |
| Vazzano Joseph Walter | Chief Financial Officer | 482,888 | 2,124,707 $ | Sep 29, 2026 | direct |
| O'Malley Brendan M. | SVP, Chief Legal Officer | 421,226 | 1,853,394 $ | Sep 29, 2026 | direct |
| Vasanthavada Madhav | Chief Commercial Officer | 285,721 | 1,257,172 $ | Sep 29, 2026 | direct |
| Alvino Mark | Director | 62,065 | 273,086 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | Seshadri Vishwas | Chief Executive Officer | Sell | 19,608 | 5.16 | 101,091 |
| Sep 29, 2026 | Vazzano Joseph Walter | Chief Financial Officer | Sell | 9,191 | 5.16 | 47,385 |
| Sep 29, 2026 | O'Malley Brendan M. | SVP, Chief Legal Officer | Sell | 6,727 | 5.16 | 34,682 |
| Sep 29, 2026 | Vasanthavada Madhav | Chief Commercial Officer | Sell | 4,902 | 5.16 | 25,273 |
| Sep 1, 2026 | Alvino Mark | Director | Sell | 15,000 | 5.86 | 87,966 |
| Jul 21, 2026 | Vazzano Joseph Walter | Chief Financial Officer | Sell | 1,478 | 6.53 | 9,651 |
| Jul 9, 2026 | Vazzano Joseph Walter | Chief Financial Officer | Sell | 24,880 | 6.96 | 173,257 |
| Jul 9, 2026 | Seshadri Vishwas | Chief Executive Officer | Sell | 67,971 | 6.96 | 473,330 |
| Jul 9, 2026 | O'Malley Brendan M. | SVP, Chief Legal Officer | Sell | 12,050 | 6.96 | 83,913 |
| Jul 9, 2026 | Vasanthavada Madhav | Chief Commercial Officer | Sell | 12,606 | 6.96 | 87,784 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.