AYTU BIOPHARMA, INC - AYTU
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 4 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | History | No change | 1,086,812 | 2,825 | 0.09% | 0.07% | 1 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Stonepine Capital Management, LLC | History | Reduced | 813,704 | 2,115 | 1.54% | 1.36% | 2 | -78,151 | -8.76% | Q4 2025 | Feb 13, 2026 |
| AWM Investment Company, Inc. | History | No change | 619,574 | 1,610 | 0.16% | 0.11% | 3 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| DIADEMA PARTNERS LP | History | Added to | 305,788 | 795 | 0.14% | 0.13% | 4 | +33,118 | 12.15% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | No change | 278,583 | 724 | 0.0% | 0.0% | 5 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 107,133 | 278 | 0.0% | 0.0% | 6 | +38,397 | 55.86% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 89,623 | 233 | 0.0% | 0.0% | 7 | -5,500 | -5.78% | Q4 2025 | Feb 12, 2026 |
| Persistent Asset Partners Ltd | History | Added to | 79,415 | 206 | 0.09% | 0.08% | 8 | +16,963 | 27.16% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 74,097 | 192 | 0.0% | 0.0% | 9 | +3,091 | 4.35% | Q4 2025 | Feb 09, 2026 |
| TWO SIGMA ADVISERS, LP | History | Added to | 42,500 | 110 | 0.0% | 0.0% | 10 | +2,700 | 6.78% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 35,363 | 91 | 0.0% | 0.0% | 11 | +4,399 | 14.21% | Q4 2025 | Feb 12, 2026 |
| FNY Investment Advisers, LLC | History | Added to | 31,600 | 82 | 0.02% | — | 12 | +31,470 | 24207.69% | Q4 2025 | Jan 16, 2026 |
| DRW Securities, LLC | History | New | 29,368 | 76 | 0.0% | — | 13 | +29,368 | New | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | New | 25,860 | 67 | 0.0% | — | 14 | +25,860 | New | Q4 2025 | Feb 17, 2026 |
| BELLEVUE ASSET MANAGEMENT, LLC | History | New | 25,013 | 65 | 0.02% | — | 15 | +25,013 | New | Q4 2025 | Jan 23, 2026 |
| BlackRock, Inc. | History | No change | 22,793 | 59 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | New | 20,000 | 52 | 0.09% | — | 17 | +20,000 | New | Q4 2025 | Feb 17, 2026 |
| Rothschild Wealth LLC | History | New | 20,000 | 52 | 0.0% | — | 18 | +20,000 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | New | 19,169 | 49 | 0.0% | — | 19 | +19,169 | New | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | New | 15,551 | 40 | 0.0% | — | 20 | +15,551 | New | Q4 2025 | Feb 17, 2026 |
| Daytona Street Capital LLC | History | New | 10,000 | 26 | 0.02% | — | 22 | +10,000 | New | Q4 2025 | Jan 21, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | No change | 10,237 | 26 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| MAI Capital Management | History | No change | 3,575 | 9 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Reduced | 3,049 | 7 | 0.0% | 0.0% | 24 | -86 | -2.74% | Q4 2025 | Jan 29, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 1,713 | 4 | 0.0% | 0.0% | 25 | -2,610 | -60.37% | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 460 | 1 | 0.0% | — | 26 | +5 | 1.1% | Q4 2025 | Feb 17, 2026 |
| Jaffetilchin Investment Partners, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,437 | -100.0% | Q3 2025 | Nov 13, 2025 |
| MORGAN STANLEY | History | Reduced | 125 | 0 | — | — | — | -161 | -56.29% | Q4 2025 | Feb 13, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 11 | 0 | — | — | — | -51 | -82.26% | Q4 2025 | Feb 03, 2026 |
| ROYAL BANK OF CANADA | History | New | 25 | 0 | — | — | — | +25 | New | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 85 | 0 | — | — | — | +11 | 14.86% | Q4 2025 | Feb 17, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q3 2025 | Nov 13, 2025 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Mar 31, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 127 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| GROUP ONE TRADING LLC | History | No change | 37 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 23 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 83 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| VISION FINANCIAL MARKETS LLC | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 22, 2026 |
| NewEdge Advisors, LLC | History | No change | 21 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| TSFG, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |