AYTU · Aytu Biopharma, Inc · Holdings

$2.05 -0.07 (-3.30%) At close · Sep 10

Market Cap

$22.75M

10.73M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 38

Total Value: $8,247,504

Total Shares: 3,836,058

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 38 13F filers · Δ vs Mar 31, 2026

Top Holder

28.3%

+0.5 pts

Top 5

80.3%

+0.6 pts

Top 10

93.4%

−0.4 pts

HHI

1,747

Moderately concentrated+135

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: -22.6%

Shares held: -1.7%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Stonepine Capital Management, LLC	+120,632	912,921
Small CROWN ADVISORS MANAGEMENT, INC.	+55,000	200,000
Mega CITADEL ADVISORS LLC	+12,573	49,414
Large RENAISSANCE TECHNOLOGIES LLC	+11,100	104,823
Mega NORTHERN TRUST CORP	+8,756	27,925

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small DIADEMA PARTNERS LP	−204,531	148,546
Small Persistent Asset Partners Ltd	−54,913	37,984
Mega TWO SIGMA INVESTMENTS, LP	−16,647	105,326
Mid XTX Topco Ltd	−166	21,416
Mid SBI Securities Co., Ltd.	−1	10

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega BARCLAYS PLC	50	$107
Mid Farther Finance Advisors, LLC	4	$8
Mid Arax Advisory Partners	2	$4

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Large MAI Capital Management	3,575	$9,759
Large NewEdge Advisors, LLC	21	$57

Filter: New 3 Increased 11 Reduced 5 Sold out 2 Unchanged 19

Showing 38 of 38

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Nantahala Capital Management, LLC

$2,336,645

28.33%

1,086,812

Stonepine Capital Management, LLC

$1,962,780

23.80%

912,921

AWM Investment Company, Inc.

$1,332,084

16.15%

619,574

VANGUARD CAPITAL MANAGEMENT LLC

$561,463

6.81%

261,146

CROWN ADVISORS MANAGEMENT, INC.

$430,000

5.21%

200,000

DIADEMA PARTNERS LP

$319,373

3.87%

148,546

TWO SIGMA INVESTMENTS, LP

$226,450

2.75%

105,326

RENAISSANCE TECHNOLOGIES LLC

$225,369

2.73%

104,823

GEODE CAPITAL MANAGEMENT, LLC

$201,340

2.44%

93,647

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	20,758	$44,629	22.2%	Defined
Held directly	72,889	$156,711	77.8%	Defined

CITADEL ADVISORS LLC

$106,240

1.29%

49,414

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	49,414	$106,240	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$101,153

1.23%

47,048

DIMENSIONAL FUND ADVISORS LP

$97,450

1.18%

45,326

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Ireland Ltd	1,336	$2,872	2.9%	Defined
Held directly	43,990	$94,578	97.1%	Sole

Persistent Asset Partners Ltd

$81,665

0.99%

37,984

NORTHERN TRUST CORP

$60,038

0.73%

27,925

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	27,925	$60,038	100.0%	Defined

BELLEVUE ASSET MANAGEMENT, LLC

$53,777

0.65%

25,013

BlackRock, Inc.

$49,004

0.59%

22,793

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	22,793	$49,004	100.0%	Sole

XTX Topco Ltd

$46,044

0.56%

21,416

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	21,416	$46,044	100.0%	Defined

ACADIAN ASSET MANAGEMENT LLC

$22,009

0.27%

10,237

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	10,237	$22,009	100.0%	Defined

Daytona Street Capital LLC

$21,500

0.26%

10,000

UBS Group AG

$5,109

0.06%

2,377

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	260	$559	10.9%	Defined
UBS AG	2	$4	0.1%	Defined
UBS Switzerland AG	2	$4	0.1%	Defined
UBS Securities LLC	2,113	$4,542	88.9%	Defined

Tower Research Capital LLC (TRC)

$4,798

0.06%

2,232

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,232	$4,798	100.0%	Defined

OSAIC HOLDINGS, INC.

$993

0.01%

462

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	462	$993	100.0%	Defined

ROYAL BANK OF CANADA

$812

0.01%

378

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	378	$812	100.0%	Defined

JPMORGAN CHASE & CO

$331

0.00%

154

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	154	$331	100.0%	Defined

WELLS FARGO & COMPANY/MN

$272

0.00%

127

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	12	$25	9.2%	Defined
WELLS FARGO CLEARING SERVICES, LLC	115	$247	90.8%	Defined

MORGAN STANLEY

$268

0.00%

125

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	125	$268	100.0%	Defined

FNY Investment Advisers, LLC

$236

0.00%

110

BARCLAYS PLC

$107

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	50	$107	100.0%	Defined

GROUP ONE TRADING LLC

$79

0.00%

BNP PARIBAS ARBITRAGE, SA

$49

0.00%

SBI Securities Co., Ltd.

$21

0.00%

Rockefeller Capital Management L.P.

$21

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER & CO. LLC	10	$21	100.0%	Defined

Farther Finance Advisors, LLC

0.00%

Arax Advisory Partners

0.00%

Caitong International Asset Management Co., Ltd

0.00%

VISION FINANCIAL MARKETS LLC

0.00%

TSFG, LLC

0.00%

JONES FINANCIAL COMPANIES LLLP

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	1	$2	100.0%	Sole

Key facts CIK 1385818 CUSIP 054754858 13F (30d) 24 filings 24 filers Visit website Investor relations