ABEONA THERAPEUTICS INC ABEO
COM NEW · Common Stock · CUSIP 00289Y206
Biopharmaceutical company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersCleveland, OH
- Websiteabeonatherapeutics.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.2m this quarter). Holder counts are more reliable. Shares outstanding: 57.2m as of 2026-08-10, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $6.18. Options: 7 managers hold calls ($16.0m notional), 6 hold puts ($4.7m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 22 |
| Q4 2022 | 41 |
| Q1 2023 | 34 |
| Q2 2023 | 38 |
| Q3 2023 | 41 |
| Q4 2023 | 49 |
| Q1 2024 | 57 |
| Q2 2024 | 49 |
| Q3 2024 | 56 |
| Q4 2024 | 65 |
| Q1 2025 | 72 |
| Q2 2025 | 96 |
| Q3 2025 | 101 |
| Q4 2025 | 104 |
| Q1 2026 | 108 |
| Q2 2026 | 127 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 27 | 23 |
| Q4 2024 | 27 | 20 |
| Q1 2025 | 42 | 17 |
| Q2 2025 | 73 | 30 |
| Q3 2025 | 57 | 38 |
| Q4 2025 | 58 | 50 |
| Q1 2026 | 53 | 44 |
| Q2 2026 | 73 | 44 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $8.7m | $2.1m | 0.24 |
| Q4 2025 | $8.9m | $3.7m | 0.41 |
| Q1 2026 | $8.9m | $4.4m | 0.50 |
| Q2 2026 | $16.0m | $4.7m | 0.30 |
Biggest buyers
| Nantahala Capital Management, LLC | Added | +5.3m |
| OneDigital Investment Advisors LLC | New | +1.7m |
| AWM Investment Company, Inc. | Added | +683.0k |
| Rubric Capital Management LP | New | +608.8k |
| TUDOR INVESTMENT CORP ET AL | New | +360.8k |
| BARCLAYS PLC | Added | +329.2k |
| PANAGORA ASSET MANAGEMENT INC | Added | +209.9k |
| CITADEL ADVISORS LLC | Added | +203.6k |
| BlackRock, Inc. | Added | +156.9k |
| Diametric Capital, LP | Added | +143.5k |
Biggest sellers
| MONTANOVA CAPITAL, LLC | Reduced | -2.2m |
| 683 Capital Management, LLC | Sold out | -770.0k |
| Balyasny Asset Management L.P. | Sold out | -589.8k |
| TANG CAPITAL MANAGEMENT LLC | Sold out | -400.0k |
| Propel Bio Management, LLC | Reduced | -346.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -238.0k |
| JPMORGAN CHASE & CO | Reduced | -216.0k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -214.1k |
| Stonepine Capital Management, LLC | Reduced | -189.3k |
| Simplify Asset Management Inc. | Reduced | -162.6k |
Biggest calls
| Nantahala Capital Management, LLC | Added | $12.6m2.0m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $1.7m278.7k shares |
| CITADEL ADVISORS LLC | Reduced | $699.0k113.1k shares |
| JANE STREET GROUP, LLC | Reduced | $383.8k62.1k shares |
| GROUP ONE TRADING LLC | Reduced | $314.6k50.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $178.6k28.9k shares |
| MAI Capital Management | Unchanged | $49.4k8.0k shares |
Biggest puts
| NATIONAL BANK OF CANADA /FI/ | Unchanged | $3.1m5.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $805.3k130.3k shares |
| CITADEL ADVISORS LLC | Added | $506.1k81.9k shares |
| JANE STREET GROUP, LLC | Reduced | $289.8k46.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $43.9k7.1k shares |
| GROUP ONE TRADING LLC | Reduced | $1.2k200 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Nantahala Capital Management, LLC 13G · institution no change · filed 2026-05-15 | 10.0% |
James Russell Revocable Trust
13D · may seek influence
+0.8 pts · filed 2026-10-23
Stated purposeThe Reporting Persons originally acquired the Shares for investment purposes and reported their beneficial ownership on Schedule 13G. Over time, based on their review of the Issuer's public filings, press releases and other public communications, the Reporting Persons became concerned regarding the Issuer's operational execution, the consistency of management's public statements with subsequent operating results, and the Issuer's governance. Beginning in May 2026, the Reporting Persons communicated their concerns (as a shareholder in an informal manner), to the Issuer's management and board of directors (the "Board"). On October 14, 2026, Mr. Russell met electronically with two members of the Board: Faith L. Charles, Interim Chair of the Board and Chair of the Board's Nominating and Cor… Full filing |
6.1% |
| Nantahala Capital Partners Limited Partnership 13G · passive investor +0.7 pts · filed 2026-05-15 | 5.8% |
| BlackRock, Inc. 13G · institution new · filed 2025-07-17 | 5.8% |
| HIRSCHMAN ORIN 13G · institution new · filed 2026-04-28 | 5.4% |
| Funicular Funds, LP 13G · passive investor new · filed 2026-04-06 | 5.3% |
| Kaufman Daniel Louis 13G · passive investor new · filed 2026-03-27 | 5.2% |
Fell to 5% or below in the last year: MONTANOVA CAPITAL, LLC (0.9%, 2026-08-14), VANGUARD GROUP INC (0.0%, 2026-03-26), Adage Capital Management, L.P. (0.0%, 2026-02-12)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 2 | $161.4k | $119.5k |
| Q2 2025 | 0 | — | 4 | $591.8k | — |
| Q3 2025 | 0 | — | 8 | $1.3m | $265.0k |
| Q4 2025 | 0 | — | 2 | $205.2k | $132.8k |
| Q1 2026 | 0 | — | 9 | $1.2m | $131.3k |
| Q2 2026 | 0 | — | 8 | $1.1m | $409.7k |
| Q3 2026 | 0 | — | 5 | $1.1m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-29 | Seshadri Vishwas Chief Executive Officer, director | Sold | $101.2k19.6k shares |
| 2026-09-29 | Vazzano Joseph Walter Chief Financial Officer | Sold | $47.4k9.2k shares |
| 2026-09-29 | O'Malley Brendan M. SVP, Chief Legal Officer | Sold | $34.7k6.7k shares |
| 2026-09-29 | Vasanthavada Madhav Chief Commercial Officer | Sold | $25.3k4.9k shares |
| 2026-09-01 | Alvino Mark Director | Sold | $87.9k15.0k shares |
| 2026-07-21 | Vazzano Joseph Walter Chief Financial Officer | Sold | $9.7k1.5k shares |
| 2026-07-09 | Seshadri Vishwas Chief Executive Officer, director | Sold | $473.1k68.0k shares |
| 2026-07-09 | Vazzano Joseph Walter Chief Financial Officer | Sold | $173.2k24.9k shares |
| 2026-07-09 | Vasanthavada Madhav Chief Commercial Officer | Sold | $87.7k12.6k shares |
| 2026-07-09 | O'Malley Brendan M. SVP, Chief Legal Officer | Sold | $83.9k12.1k shares |
| 2026-06-30 | Alland Leila Director | Sold | $65.1k11.0k shares |
| 2026-06-15 | Silverstein Christine Berni Director | Sold | $103.7k18.2k shares |
| 2026-06-09 | Vazzano Joseph Walter Chief Financial Officer | Sold plan | $209.4k39.1k shares |
| 2026-06-09 | Seshadri Vishwas Chief Executive Officer, director | Sold | $169.2k31.9k shares |
| 2026-06-09 | O'Malley Brendan M. SVP, Chief Legal Officer | Sold | $33.4k6.3k shares |
| 2026-06-09 | Vasanthavada Madhav Chief Commercial Officer | Sold | $28.9k5.5k shares |
| 2026-06-08 | Seshadri Vishwas Chief Executive Officer, director | Sold | $132.6k24.4k shares |
| 2026-06-08 | Vazzano Joseph Walter Chief Financial Officer | Sold plan | $55.8k10.3k shares |
| 2026-06-08 | O'Malley Brendan M. SVP, Chief Legal Officer | Sold | $26.2k4.8k shares |
| 2026-06-08 | Vasanthavada Madhav Chief Commercial Officer | Sold | $22.6k4.2k shares |
| 2026-05-22 | Alvino Mark Director | Sold | $35.5k6.5k shares |
| 2026-05-15 | Crombez Eric Director | Sold plan | $144.6k26.1k shares |
| 2026-05-11 | Vasanthavada Madhav Chief Commercial Officer | Sold | $33.1k5.5k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Nantahala Capital Management, LLC 1.92% of their portfolio | 10.3m $63.5m | Added +5.3m |
| BlackRock, Inc. 0.00% of their portfolio | 3.4m $20.7m | Added +156.9k |
| Cable Car Capital, LP 0.81% of their portfolio | 3.0m $18.6m | Unchanged |
| AIGH Capital Management LLC 1.67% of their portfolio | 3.0m $18.5m | Reduced -113.0k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 2.2m $13.7m | Added +46.6k |
| OneDigital Investment Advisors LLC 0.09% of their portfolio | 1.7m $10.2m | New |
| AWM Investment Company, Inc. 0.80% of their portfolio | 1.5m $9.2m | Added +683.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.3m $7.8m | Added +51.3k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.14% of their portfolio | 1.2m $7.7m | Reduced -23.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.2m $7.6m | Added +94.2k |
| STATE STREET CORP 0.00% of their portfolio | 1.0m $6.4m | Added +82.9k |
| Propel Bio Management, LLC 3.18% of their portfolio | 983.1k $6.1m | Reduced -346.8k |
| NAN FUNG TRINITY (HK) LTD 0.58% of their portfolio | 956.8k $5.9m | Unchanged |
| Diametric Capital, LP 0.50% of their portfolio | 755.0k $4.7m | Added +143.5k |
| J. Goldman & Co LP 0.15% of their portfolio | 678.2k $4.2m | Added +37.6k |
| SILVERARC CAPITAL MANAGEMENT, LLC 0.42% of their portfolio | 610.4k $3.8m | Reduced -38.5k |
| Rubric Capital Management LP 0.03% of their portfolio | 608.8k $3.8m | New |
| Stonepine Capital Management, LLC 2.62% of their portfolio | 557.3k $3.4m | Reduced -189.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 552.6k $3.4m | Added +116.7k |
| CITIGROUP INC 0.00% of their portfolio | 548.3k $3.4m | Added +25.9k |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 500.0k $3.1m | Unchanged |
| MONTANOVA CAPITAL, LLC 0.06% of their portfolio | 500.0k $3.1m | Reduced -2.2m |
| Knoll Capital Management, LLC 1.67% of their portfolio | 485.5k $3.0m | Unchanged |
| PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio | 409.1k $2.5m | Added +209.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 372.4k $2.3m | Reduced -21.9k |
| MORGAN STANLEY 0.00% of their portfolio | 365.6k $2.3m | Added +28.0k |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 360.8k $2.2m | New |
| BARCLAYS PLC 0.00% of their portfolio | 356.4k $2.2m | Added +329.2k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 348.0k $2.2m | Added +8.5k |
| Simplify Asset Management Inc. 0.03% of their portfolio | 345.4k $2.1m | Reduced -162.6k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 291.7k $1.8m | Added +20.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 259.4k $1.6m | Added +203.6k |
| GROUP ONE TRADING LLC 0.04% of their portfolio | 245.0k $1.5m | Added +35.4k |
| UBS Group AG 0.00% of their portfolio | 223.3k $1.4m | Reduced -10.6k |
| ExodusPoint Capital Management, LP 0.01% of their portfolio | 212.3k $1.3m | Added +89.4k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 211.3k $1.3m | Reduced -214.1k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 204.2k $1.3m | Added +10.6k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 194.8k $1.2m | Reduced -21.5k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 194.4k $1.2m | Reduced -238.0k |
| FMR LLC 0.00% of their portfolio | 138.5k $855.9k | Reduced -56.3k |
| Headlands Technologies LLC 0.08% of their portfolio | 125.1k $773.1k | Added +61.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 120.5k $744.8k | Reduced -6.6k |
| Palo Alto Investors LP 0.09% of their portfolio | 108.9k $672.8k | Unchanged |
| SEI INVESTMENTS CO 0.00% of their portfolio | 105.6k $652.4k | Reduced -66.9k |
| Gem Investment Advisors, LLC 0.38% of their portfolio | 99.1k $612.3k | New |
| Corient Private Wealth LP 0.00% of their portfolio | 89.9k $555.6k | New |
| Nuveen, LLC 0.00% of their portfolio | 82.6k $510.6k | Added +25.9k |
| Pale Fire Capital SE 0.04% of their portfolio | 81.9k $506.4k | Added +12.1k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 80.7k $499.0k | New |
| Y-Intercept (Hong Kong) Ltd 0.01% of their portfolio | 72.4k $447.3k | New |
| LPL Financial LLC 0.00% of their portfolio | 69.8k $431.3k | Added +4.6k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 67.1k $414.4k | Reduced -35.6k |
| Rangeley Capital, LLC 0.33% of their portfolio | 58.1k $359.1k | Reduced -1.9k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 57.1k $352.9k | Reduced -44.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 56.8k $350.7k | Added +904 |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 55.9k $345.7k | Reduced -37.1k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 50.5k $285.9k | Reduced -216.0k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 48.0k $214.8k | Added +30.0k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 47.6k $293.9k | Added +2.6k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 46.4k $286.8k | Added +33.7k |
| WINTON GROUP Ltd 0.01% of their portfolio | 41.4k $255.9k | New |
| Main Street Research LLC 0.01% of their portfolio | 38.5k $238.0k | New |
| Jump Financial, LLC 0.00% of their portfolio | 38.4k $237.3k | New |
| HARBOR CAPITAL ADVISORS, INC. 0.02% of their portfolio | 38.3k $237.0k | Added +3.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 36.6k $226.1k | Added +19.9k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 34.4k $212.4k | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 32.6k $202.0k | Added +1.6k |
| Jain Global LLC 0.00% of their portfolio | 28.9k $178.5k | New |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 28.4k $175.6k | Added +14.4k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 28.3k $174.7k | Added +14.3k |
| WEALTH EFFECTS LLC 0.05% of their portfolio | 27.2k $168.4k | New |
| Persistent Asset Partners Ltd 0.05% of their portfolio | 25.7k $159.1k | New |
| Quantbot Technologies LP 0.01% of their portfolio | 25.3k $156.7k | New |
| Atom Investors LP 0.01% of their portfolio | 24.9k $153.7k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 24.8k $153.1k | Added +994 |
| Riverwater Partners LLC 0.04% of their portfolio | 24.3k $150.2k | Added +5.2k |
| Invesco Ltd. 0.00% of their portfolio | 23.7k $146.6k | Added +745 |
| Creative Planning 0.00% of their portfolio | 20.5k $126.7k | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 20.1k $124.3k | Reduced -650 |
| NATIXIS 0.00% of their portfolio | 19.6k $116.3k | New |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 18.6k $115.0k | Unchanged |
| StoneX Group Inc. 0.00% of their portfolio | 17.3k $106.0k | New |
| Legato Capital Management LLC 0.01% of their portfolio | 16.8k $104.0k | Added +3.6k |
| SG Americas Securities, LLC 0.00% of their portfolio | 13.0k $80.0k | New |
| Aries Wealth Management 0.02% of their portfolio | 12.5k $77.2k | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 12.2k $75.7k | Reduced -657 |
| Ethic Inc. 0.00% of their portfolio | 11.3k $70.1k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 11.0k $68.0k | Unchanged |
| Kovack Advisors, Inc. 0.00% of their portfolio | 10.6k $63.9k | Unchanged |
| INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 10.2k $63.1k | Reduced -2.0k |
| TWO SIGMA SECURITIES, LLC 0.01% of their portfolio | 10.2k $62.9k | New |
| Truvestments Capital LLC 0.01% of their portfolio | 9.8k $60.4k | Reduced -533 |
| MAI Capital Management 0.00% of their portfolio | 7.9k $48.9k | Reduced -1.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 7.0k $43.2k | Reduced -2.9k |
| Allworth Financial LP 0.00% of their portfolio | 4.7k $28.8k | Added +152 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 4.6k $28.2k | New |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 4.5k $27.6k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 4.1k $25.0k | Reduced -3.5k |
| Legal & General Group Plc 0.00% of their portfolio | 4.0k $24.6k | Unchanged |
| Arax Advisory Partners 0.00% of their portfolio | 3.7k $22.8k | New |