AYTU BIOPHARMA, INC - AYTU

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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 2,966 0.11% 0.09% 1 0 0.0% Q1 2026 May 15, 2026
Stonepine Capital Management, LLC History Reduced 792,289 2,162 0.87% 1.54% 2 -21,415 -2.63% Q1 2026 May 14, 2026
AWM Investment Company, Inc. History No change 619,574 1,691 0.19% 0.16% 3 0 0.0% Q1 2026 May 15, 2026
DIADEMA PARTNERS LP History Added to 353,077 963 0.16% 0.14% 4 +47,289 15.46% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 278,583 724 0.0% 0.0% 5 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 261,146 712 0.0% 6 +261,146 New Q1 2026 May 15, 2026
CROWN ADVISORS MANAGEMENT, INC. History New 145,000 395 0.26% 7 +145,000 New Q1 2026 May 07, 2026
TWO SIGMA INVESTMENTS, LP History Added to 121,973 332 0.0% 0.0% 8 +14,840 13.85% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 93,723 255 0.0% 0.0% 9 +4,100 4.57% Q1 2026 May 14, 2026
Persistent Asset Partners Ltd History Added to 92,897 253 0.09% 0.09% 10 +13,482 16.98% Q1 2026 May 12, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 92,636 252 0.0% 0.0% 11 +18,539 25.02% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 47,048 128 0.0% 12 +47,048 New Q1 2026 May 08, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 43,585 118 0.0% 0.0% 13 +8,222 23.25% Q1 2026 May 07, 2026
TWO SIGMA ADVISERS, LP History No change 42,500 110 0.0% 0.0% 14 0 0.0% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 36,841 100 0.0% 0.0% 15 +21,290 136.9% Q1 2026 May 15, 2026
BELLEVUE ASSET MANAGEMENT, LLC History No change 25,013 68 0.03% 0.02% 16 0 0.0% Q1 2026 Apr 24, 2026
BlackRock, Inc. History No change 22,793 62 0.0% 0.0% 17 0 0.0% Q1 2026 May 13, 2026
XTX Topco Ltd History Reduced 21,582 58 0.0% 0.0% 18 -4,278 -16.54% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History No change 19,169 52 0.0% 0.0% 19 0 0.0% Q1 2026 May 14, 2026
PERRITT CAPITAL MANAGEMENT INC History No change 20,000 52 0.09% 0.09% 20 0 0.0% Q4 2025 Feb 17, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 10,237 27 0.0% 0.0% 21 0 0.0% Q1 2026 May 13, 2026
Daytona Street Capital LLC History No change 10,000 26 0.02% 0.02% 22 0 0.0% Q1 2026 Apr 10, 2026
MAI Capital Management History No change 3,575 9 0.0% 0.0% 23 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Reduced 1,663 4 0.0% 0.0% 25 -1,386 -45.46% Q1 2026 May 05, 2026
Tower Research Capital LLC (TRC) History Reduced 1,564 4 0.0% 0.0% 24 -149 -8.7% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Added to 462 1 0.0% 0.0% 26 +2 0.43% Q1 2026 May 15, 2026
FNY Investment Advisers, LLC History Reduced 90 0 0.02% -31,510 -99.72% Q1 2026 Apr 15, 2026
DRW Securities, LLC History Closed out 0 0 0.0% -29,368 -100.0% Q1 2026 May 13, 2026
Rothschild Wealth LLC History Closed out 0 0 0.0% -20,000 -100.0% Q1 2026 May 06, 2026
JPMORGAN CHASE & CO History New 154 0 +154 New Q1 2026 May 13, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -85 -100.0% Q1 2026 May 15, 2026
ROYAL BANK OF CANADA History Added to 36 0 +11 44.0% Q1 2026 May 15, 2026
Rockefeller Capital Management L.P. History New 10 0 +10 New Q1 2026 May 14, 2026
Caitong International Asset Management Co., Ltd History New 2 0 +2 New Q1 2026 May 11, 2026
CITIGROUP INC History Closed out 0 0 -1 -100.0% Q1 2026 May 11, 2026
WELLS FARGO & COMPANY/MN History No change 127 0 0 0.0% Q1 2026 May 11, 2026
JONES FINANCIAL COMPANIES LLLP History No change 1 0 0 0.0% Q1 2026 May 15, 2026
MORGAN STANLEY History No change 125 0 0 0.0% Q1 2026 May 15, 2026
GROUP ONE TRADING LLC History No change 37 0 0 0.0% Q1 2026 May 13, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 23 0 0 0.0% Q1 2026 May 12, 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% Q1 2026 Apr 24, 2026
NewEdge Advisors, LLC History No change 21 0 0 0.0% Q1 2026 Jun 02, 2026
TSFG, LLC History No change 1 0 0 0.0% Q1 2026 Apr 27, 2026
SBI Securities Co., Ltd. History No change 11 0 0 0.0% Q1 2026 Apr 27, 2026