13F

Stock

Aytu Biopharma, Inc

AYTU · held by 39 managers

Reported value

$9.7M

Holders

39

+0 new · −1 exited

Holders’ est. mark

$45.1K

Price effect on 4 books still in the name

Largest holder

$2.83M

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$2.83MHeld
Stonepine Capital Management, LLC813.7K$2.12MHeld
AWM Investment Company, Inc.619.6K$1.61MHeld
DIADEMA PARTNERS LP305.8K$795KHeld
Vanguard278.6K$724.3KHeld
TWO SIGMA INVESTMENTS, LP107.1K$278.5KHeld
Renaissance Technologies89.6K$233KHeld
Persistent Asset Partners Ltd79.4K$206.5K$45KAdded$89.1K
GEODE CAPITAL MANAGEMENT, LLC74.1K$192.7KHeld
TWO SIGMA ADVISERS, LP42.5K$110.5KHeld
DIMENSIONAL FUND ADVISORS LP35.4K$91.9KHeld
DRW Securities, LLC29.4K$76.4KHeld
XTX Topco Ltd25.9K$67.2KHeld
BELLEVUE ASSET MANAGEMENT, LLC25K$65KHeld
BlackRock, Inc.22.8K$59.3KHeld
Rothschild Wealth LLC20K$52KHeld
Perritt Capital Management Inc20K$52KHeld
NORTHERN TRUST CORP19.2K$49.8KHeld
Citadel15.6K$40.4KHeld
Daytona Street Capital LLC10K$26KHeld
MAI Capital Management3.58K$9.29KHeld
UBS Group AG3.05K$7.93KHeld
Tower Research Capital LLC (TRC)1.71K$4.45KHeld
OSAIC HOLDINGS, INC.460$1.2KHeld
WELLS FARGO & COMPANY/MN127$330Held
MORGAN STANLEY125$325$90Cut−$213
BANK OF AMERICA CORP /DE/85$221$53Added$82
CIBC Private Wealth Group LLC83$216Held
GROUP ONE TRADING LLC37$96Held
FNY Investment Advisers, LLC31.6K$82$0Added$82
BNP PARIBAS FINANCIAL MARKETS23$60Held
NewEdge Advisors, LLC21$55Held
SBI Securities Co., Ltd.11$29Held
ACADIAN ASSET MANAGEMENT LLC10.2K$26Held
VISION FINANCIAL MARKETS LLC2$6Held
CITIGROUP INC1$3Held
JONES FINANCIAL COMPANIES LLLP1$3Held
TSFG, LLC1$0Held
ROYAL BANK OF CANADA25$0Held

Who left

Positions as of Q4 2025. 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.