Aytu Biopharma AYTU Institutional Ownership

Ownership Summary

Aytu Biopharma, Inc (NASDAQ:AYTU) showed up in the 13F filings of 37 institutional investors as of March 2026.

• Collectively, these holders controlled 37.6% of Aytu Biopharma's outstanding shares in March 2026, up from 37.6% in December 2025.
• They increased total shares held in AYTU by 16.92% quarter over quarter, and investors in Aytu Biopharma increased 15.62% from a year ago.
• Among the 37 funds, 16 bought more Aytu Biopharma shares, 5 sold down, and 16 held their ground.
• Combined, these investors held 3.95Mn shares in AYTU for March 2026, up by 571.94K shares quarter on quarter, and up 2.08Mn shares year over year.
• Nantahala Capital Management, LLC is the top holder of Aytu Biopharma as of March 31, 2026, with 1.09Mn shares representing 10.34% of outstanding stock.
• The most significant purchases of AYTU for the quarter ending March 2026 came from VANGUARD CAPITAL MANAGEMENT LLC (261.15K), CROWN ADVISORS MANAGEMENT, INC. (145.0K), Arete Wealth Advisors, LLC (49.55K), DIADEMA PARTNERS LP (47.29K), VANGUARD FIDUCIARY TRUST CO (47.05K).
• The largest sales of AYTU for the quarter ending March 2026 came from FNY Investment Advisers, LLC (31.51K), Stonepine Capital Management, LLC (21.42K), XTX Topco Ltd (4.28K), UBS Group AG (1.39K), Tower Research Capital LLC (TRC) (149).
• Per Business Quant data, the top 10 holders of Aytu Biopharma for the quarter ending March 2026 are Nantahala Capital Management, LLC (1.09Mn), Stonepine Capital Management, LLC (792.29K), AWM Investment Company, Inc. (619.57K), DIADEMA PARTNERS LP (353.08K), VANGUARD CAPITAL MANAGEMENT LLC (261.15K), CROWN ADVISORS MANAGEMENT, INC. (145.0K), TWO SIGMA INVESTMENTS, LP (121.97K), RENAISSANCE TECHNOLOGIES LLC (93.72K), Persistent Asset Partners Ltd (92.9K), GEODE CAPITAL MANAGEMENT, LLC (92.64K).