Abeona Therapeutics Inc. (ABEO) Ownership
ABEO ownership summary
as of October 17, 2026- Institutions
- 75.1% of shares outstanding
- Insiders
- 10.96% of shares outstanding
- Shares outstanding
- 57.2M
- Float
- 36.9M shares available to trade
- Short interest
- 31.69% 16.9M shares short
- Days to cover
- 12.15 short interest up 7.2% vs prior month
- Institutions 75.07%
- Insiders 10.96%
- Other investors 13.97%
ABEO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 17.96% | 10.3M | $45.5M | +5.3M (+104.9%) | June 30, 2026 |
| 2 | BlackRock Inc | 5.86% | 3.4M | $14.9M | +156,944 (+4.9%) | June 30, 2026 |
| 3 | Cable Car Capital LLC | 5.26% | 3.0M | $13.3M | — | June 30, 2026 |
| 4 | AIGH Capital Management, LLC | 5.22% | 3.0M | $13.2M | −113,000 (−3.6%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 3.87% | 2.2M | $9.8M | +46,582 (+2.2%) | June 30, 2026 |
| 6 | Resources Investment Advisors Inc | 2.89% | 1.7M | $7.3M | +1.7M (0.0%) | June 30, 2026 |
| 7 | Awm Investment Company Inc | 2.60% | 1.5M | $6.6M | +683,000 (+85.0%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.21% | 1.3M | $5.6M | +51,293 (+4.2%) | June 30, 2026 |
| 9 | Kennedy Capital Management Inc | 2.17% | 1.2M | $5.5M | −23,440 (−1.9%) | June 30, 2026 |
| 10 | The Goldman Sachs Group Inc | 2.14% | 1.2M | $5.4M | +94,187 (+8.3%) | June 30, 2026 |
| 11 | State Street Corp | 1.82% | 1.0M | $4.6M | +82,900 (+8.7%) | June 30, 2026 |
| 12 | Propel Bio Management LLC | 1.72% | 983K | $4.4M | −346,829 (−26.1%) | June 30, 2026 |
| 13 | NAN FUNG TRINITY (HK) Ltd | 1.67% | 957K | $4.2M | — | June 30, 2026 |
| 14 | 683 Capital Management LLC | 1.35% | 770K | $3.4M | — | March 31, 2026 |
| 15 | Diametric Capital, LP | 1.32% | 755K | $3.3M | +143,501 (+23.5%) | June 30, 2026 |
| 16 | J. Goldman & Co LP | 1.19% | 678K | $3.0M | +37,643 (+5.9%) | June 30, 2026 |
| 17 | SILVERARC CAPITAL MANAGEMENT, LLC | 1.07% | 610K | $2.7M | −38,535 (−5.9%) | June 30, 2026 |
| 18 | Rubric Capital Management LP | 1.06% | 609K | $2.7M | +608,771 (0.0%) | June 30, 2026 |
| 19 | Stonepine Capital Management Llc | 0.97% | 557K | $2.5M | −189,303 (−25.4%) | June 30, 2026 |
| 20 | Northern Trust Corp | 0.97% | 553K | $2.4M | +116,657 (+26.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 8.9M shares and 5 cut 711K.
ABEO top mutual fund and ETF holders
19 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.67% | 1.5M | $6.8M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.08% | 1.2M | $5.3M | −13,760 (−1.1%) | September 30, 2026 |
| 3 | Fidelity Small Cap Index | 0.84% | 479K | $2.1M | +1,727 (+0.4%) | July 31, 2026 |
| 4 | iShares Russell 2000 Value ETF | 0.77% | 438K | $1.9M | +664 (+0.2%) | September 30, 2026 |
| 5 | Simplify Propel Opportunities ETF | 0.48% | 276K | $1.2M | — | September 30, 2026 |
| 6 | Fidelity Extended Market Index | 0.48% | 272K | $1.2M | −1,462 (−0.5%) | August 31, 2026 |
| 7 | Vanguard Russell 2000 ETF | 0.44% | 252K | $1.1M | +6,662 (+2.7%) | August 31, 2026 |
| 8 | iShares Micro-Cap ETF | 0.25% | 145K | $643,710 | −1,002 (−0.7%) | September 30, 2026 |
| 9 | iShares Core S&P Total US Stock Mkt ETF | 0.21% | 120K | $531,830 | +100 (+0.1%) | September 30, 2026 |
| 10 | Northern Small Cap Value | 0.20% | 116K | $511,776 | +115,525 (0.0%) | June 30, 2026 |
| 11 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.20% | 115K | $509,902 | +5,504 (+5.0%) | August 31, 2026 |
| 12 | Schwab Small Cap Index | 0.18% | 105K | $465,513 | — | August 31, 2026 |
| 13 | Fidelity Total Market Index | 0.17% | 99K | $436,537 | — | August 31, 2026 |
| 14 | Fidelity Nasdaq Composite Index | 0.17% | 96K | $425,475 | +63,281 (+193.1%) | August 31, 2026 |
| 15 | WisdomTree US SmallCap Earnings ETF | 0.16% | 94K | $416,814 | — | September 30, 2026 |
| 16 | Fidelity Series Total Market Index | 0.15% | 85K | $374,782 | — | August 31, 2026 |
| 17 | Goldman Sachs ActiveBeta® US SmCp Eq ETF | 0.13% | 76K | $338,691 | — | September 30, 2026 |
| 18 | iShares Russell 2000 Small-Cap Idx Instl | 0.13% | 76K | $335,223 | — | August 31, 2026 |
| 19 | Avantis US Small Cap Equity ETF | 0.12% | 69K | $306,791 | +186 (+0.3%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ABEO insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-02 | Eric Crombez | Sell | $5.09 | 16,284 | $82,886 |
| 2026-02-02 | Leila Alland | Sell | $5.09 | 18,065 | $91,951 |
| 2026-02-02 | Mark Alvino | Sell | $5.09 | 2,000 | $10,180 |
| 2026-02-02 | Christine Berni Silverstein | Sell | $5.09 | 20,070 | $102,156 |
| 2026-01-22 | Brendan M O'malley | Sell | $5.33 | 13,578 | $72,371 |
| 2026-01-22 | Joseph Walter Vazzano | Sell | $5.33 | 18,666 | $99,490 |
| 2026-01-22 | Madhav Vasanthavada | Sell | $5.29 | 12,610 | $66,707 |
| 2026-01-22 | Vishwas Seshadri | Sell | $5.33 | 69,832 | $372,205 |
| 2026-01-21 | Mark Alvino | Sell | $5.23 | 13,500 | $70,605 |
| 2025-12-29 | Vishwas Seshadri | Sell | $5.31 | 25,000 | $132,750 |
| 2025-11-13 | Mark Alvino | Sell | $4.74 | 15,000 | $71,100 |
| 2025-10-16 | Vishwas Seshadri | Sell | $5.49 | 249 | $1,367 |
| 2025-09-30 | Vishwas Seshadri | Sell | $5.24 | 25,000 | $131,000 |
| 2025-09-29 | Joseph Walter Vazzano | Sell | $5.39 | 9,035 | $48,699 |
| 2025-09-29 | Vishwas Seshadri | Sell | $5.39 | 19,274 | $103,887 |
| 2025-09-29 | Brendan M O'malley | Sell | $5.39 | 9,366 | $50,483 |
| 2025-09-22 | Brendan M O'malley | Sell | $5.43 | 688 | $3,736 |
| 2025-07-22 | Joseph Walter Vazzano | Sell | $6.64 | 1,502 | $9,973 |
| 2025-07-09 | Brendan M O'malley | Sell | $5.86 | 17,428 | $102,128 |
| 2025-07-09 | Christine Berni Silverstein | Sell | $5.86 | 13,093 | $76,725 |
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.
ABEO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ABEO
Institutional investors own 75.1% of Abeona Therapeutics's shares and insiders 10.96%. The largest holder is Nantahala Capital Management, LLC with 17.96% of the shares (10.3M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 5 reduced their stake in the latest filings. Short interest is 31.69% of the float, or 12.15 days of average trading volume. The share count rose 8,173.2% since 2014.
Related: ABEO analyst forecast, ABEO key metrics. See the ABEO stock overview for the latest quote and news.
ABEO ownership FAQ
Who owns the most Abeona Therapeutics stock?
The largest shareholders of Abeona Therapeutics are Nantahala Capital Management, LLC (17.96%), BlackRock Inc (5.86%), Cable Car Capital LLC (5.26%), AIGH Capital Management, LLC (5.22%), Vanguard Capital Management, LLC (3.87%).
What percentage of Abeona Therapeutics is owned by institutions?
Institutions hold 75.1% of Abeona Therapeutics's shares outstanding; insiders hold 10.96%.
Which funds own Abeona Therapeutics?
The largest fund holders of Abeona Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (2.67%), iShares Russell 2000 ETF (2.08%), Fidelity Small Cap Index (0.84%), iShares Russell 2000 Value ETF (0.77%), Simplify Propel Opportunities ETF (0.48%).
What is Abeona Therapeutics's short interest?
16.9M shares of Abeona Therapeutics were sold short, 31.69% of the float; at the average daily volume it would take 12.15 days to cover.
Are insiders buying or selling Abeona Therapeutics?
Of the latest 20 reported insider transactions in Abeona Therapeutics (since July 9, 2025), 0 were purchases and 20 were sales.
How many shares of Abeona Therapeutics are outstanding?
Abeona Therapeutics has 57.2M shares outstanding, of which 36.9M are in the public float.