13F

Stock

Aytu Biopharma, Inc

AYTU · held by 36 managers

Reported value

$10.2M

Holders

36

+4 new · −6 exited

Holders’ est. mark

$430K

Price effect on 30 books still in the name

Largest holder

$2.97M

Nantahala Capital Management, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Nantahala Capital Management, LLC1.09M$2.97M$141.3KAdded$141.3K
Stonepine Capital Management, LLC792.3K$2.16M$103KAdded$47.3K
AWM Investment Company, Inc.619.6K$1.69M$80.5KAdded$80.5K
DIADEMA PARTNERS LP353.1K$963.9K$39.8KAdded$168.9K
VANGUARD CAPITAL MANAGEMENT LLC261.1K$712.9KHeld
TWO SIGMA INVESTMENTS, LP122K$333K$13.9KAdded$54.4K
Renaissance Technologies93.7K$255.9K$11.7KAdded$22.8K
Persistent Asset Partners Ltd92.9K$253.6K$10.3KAdded$47.1K
GEODE CAPITAL MANAGEMENT, LLC92.6K$252.9K$9.63KAdded$60.2K
VANGUARD FIDUCIARY TRUST CO47K$128.4KHeld
DIMENSIONAL FUND ADVISORS LP43.6K$119K$4.6KAdded$27K
Citadel36.8K$100.6K$2.02KAdded$60.1K
BELLEVUE ASSET MANAGEMENT, LLC25K$68.3K$3.25KAdded$3.25K
BlackRock, Inc.22.8K$62.2K$2.96KAdded$2.96K
XTX Topco Ltd21.6K$58.9K$2.81KCut−$8.32K
NORTHERN TRUST CORP19.2K$52.3K$2.49KAdded$2.49K
Daytona Street Capital LLC10K$26.8K$800Added$800
MAI Capital Management3.58K$9.76K$465Added$465
UBS Group AG1.66K$4.54K$215Cut−$3.39K
Tower Research Capital LLC (TRC)1.56K$4.27K$203Cut−$184
OSAIC HOLDINGS, INC.462$1.26K$58Added$63
JPMORGAN CHASE & CO154$405New
CROWN ADVISORS MANAGEMENT, INC.145K$395New
WELLS FARGO & COMPANY/MN127$347$17Added$17
MORGAN STANLEY125$341$16Added$16
GROUP ONE TRADING LLC37$101$5Added$5
BNP PARIBAS FINANCIAL MARKETS23$63$3Added$3
SBI Securities Co., Ltd.11$30$1Added$1
Rockefeller Capital Management L.P.10$27New
ACADIAN ASSET MANAGEMENT LLC10.2K$27$1Added$1
VISION FINANCIAL MARKETS LLC2$6$0Held
Caitong International Asset Management Co., Ltd2$5New
JONES FINANCIAL COMPANIES LLLP1$3$0Held
ROYAL BANK OF CANADA36$0$0Held
TSFG, LLC1$0$0Held
FNY Investment Advisers, LLC90$0−$0Cut−$82

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.