Filing Flows

Filing Flows › Aytu Biopharma (AYTU) › Who owns the stock

Who owns Aytu Biopharma (AYTU) stock

34 funds reported Aytu Biopharma (AYTU) shares in their latest 13F filings, worth $9.6M in all. The largest holder is Nantahala Capital Management, LLC ($4.7M). Last quarter 13 funds added to their stakes and 7 cut them.

Largest holders of AYTU (13F)Largest holders of AYTU (13F)Nantahala Capital Management, LLC$4.7MStonepine Capital Management, LLC$2.0MVanguard Group$724KVanguard Capital Management LLC$561KDiadema Partners LP$319KTwo Sigma Investments, LP$226KRenaissance Technologies LLC$225KGeode Capital Management, LLC$201KCitadel Advisors LLC$106KVanguard Fiduciary Trust$101K

Largest holders (13F)

FundSharesValueChangeQuarter
Nantahala Capital Management, LLC2,173,624$4.7Mincrease2026-06-30
Stonepine Capital Management, LLC912,921$2.0Mincrease2026-06-30
Vanguard Group278,583$724Kunchanged2025-12-31
Vanguard Capital Management LLC261,146$561Kunchanged2026-06-30
Diadema Partners LP148,546$319Kdecrease2026-06-30
Two Sigma Investments, LP105,326$226Kdecrease2026-06-30
Renaissance Technologies LLC104,823$225Kincrease2026-06-30
Geode Capital Management, LLC93,647$201Kincrease2026-06-30
Citadel Advisors LLC49,414$106Kincrease2026-06-30
Vanguard Fiduciary Trust47,048$101Kunchanged2026-06-30
Dimensional Fund Advisors LP45,326$97Kincrease2026-06-30
Persistent Asset Partners37,984$82Kdecrease2026-06-30
Northern Trust27,925$60Kincrease2026-06-30
Bellevue Asset Management, LLC25,013$54Kunchanged2026-06-30
Perritt Capital Management20,000$52Knew2025-12-31

Aytu Biopharma's latest quarter

Aytu Biopharma, Q4 FY26: revenue $16.1M (+6% year over year), operating margin -4.8%, net loss $15K, operating cash flow $4.4M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most AYTU stock?

By the latest 13F filings: Nantahala Capital Management, LLC ($4.7M); Stonepine Capital Management, LLC ($2.0M); Vanguard Group ($724K); Vanguard Capital Management LLC ($561K); Diadema Partners LP ($319K).

What is the short interest in AYTU?

328,872 shares were sold short at the 2026-10-15 settlement, -4.74% of the float.

Open the interactive view →

Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.