Vault-13

AYTU BIOPHARMA INC AYTU

COM · Common Stock · CUSIP 054754858

38 institutional holders +1 vs Q1 2026
4,922,8704.9m shares reported held*
$10.6mreported value*
3 new 12 added 5 reduced 2 sold out net bought ≈ $2.2m (+1.0m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $2.15.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

02040Q1 23: 20Q2 23: 22Q3 23: 23Q4 23: 23Q1 24: 28Q2 24: 28Q3 24: 25Q4 24: 30Q1 25: 32Q2 25: 33Q3 25: 33Q4 25: 39Q1 26: 37Q2 26: 3838Q1 23Q4 23Q3 24Q2 25Q2 26
Numbers
QuarterHolders
Q1 202320
Q2 202322
Q3 202323
Q4 202323
Q1 202428
Q2 202428
Q3 202425
Q4 202430
Q1 202532
Q2 202533
Q3 202533
Q4 202539
Q1 202637
Q2 202638

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q3 24: 4 bought or addedQ3 24: 11 cut or sold outQ4 24: 11 bought or addedQ4 24: 7 cut or sold outQ4 24Q1 25: 13 bought or addedQ1 25: 7 cut or sold outQ2 25: 12 bought or addedQ2 25: 11 cut or sold outQ2 25Q3 25: 15 bought or addedQ3 25: 7 cut or sold outQ4 25: 17 bought or addedQ4 25: 9 cut or sold outQ4 25Q1 26: 12 bought or addedQ1 26: 10 cut or sold outQ2 26: 15 bought or addedQ2 26: 7 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2024411
Q4 2024117
Q1 2025137
Q2 20251211
Q3 2025157
Q4 2025179
Q1 20261210
Q2 2026157

Biggest buyers

Nantahala Capital Management, LLC Added +1,086,812+1.1m
Stonepine Capital Management, LLC Added +120,632+120.6k
CROWN ADVISORS MANAGEMENT, INC. Added +55,000+55.0k
CITADEL ADVISORS LLC Added +12,573+12.6k
RENAISSANCE TECHNOLOGIES LLC Added +11,100+11.1k
NORTHERN TRUST CORP Added +8,756+8.8k
DIMENSIONAL FUND ADVISORS LP Added +1,741+1.7k
GEODE CAPITAL MANAGEMENT, LLC Added +1,011+1.0k
UBS Group AG Added +714+714
Tower Research Capital LLC (TRC) Added +668+668

Biggest sellers

DIADEMA PARTNERS LP Reduced -204,531-204.5k
Persistent Asset Partners Ltd Reduced -54,913-54.9k
TWO SIGMA INVESTMENTS, LP Reduced -16,647-16.6k
MAI Capital Management Sold out -3,575-3.6k
XTX Topco Ltd Reduced -166-166
NewEdge Advisors, LLC Sold out -21-21
SBI Securities Co., Ltd. Reduced -1-1

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Nantahala Capital Management, LLC 13D · may seek influence filed 2025-06-09
Stated purposeItem 4 is amended by the addition of the following: On June 6, 2025, the Reporting Persons caused the Nantahala Investors to purchase prefunded warrants (the "June 2025 Prefunded Warrants") in an underwritten offering (the "June 2025 Offering") by the Issuer. Using cash on hand, the Nantahala Investors purchased June 2025 Prefunded Warrants exercisable, subject to the terms and conditions thereof, for 4,000,000 shares of Common Stock. The Nantahala Investors purchased the June 2025 Prefunded Warrants for $1.4999 per share of Common Stock represented by the June 2025 Prefunded Warrants. The June 2025 Prefunded Warrant may be exercised at any time by payment of cash in the amount of $0.0001 per share of Common Stock, or by customary cashless exercise, provided that the June 2025 Prefunded W… Full filing
14.4% 1.1m≈ $2.3m 2025-06-09
Stonepine Capital Management, LLC 13G · passive investor filed 2025-08-13 9.9% 906.1k≈ $1.9m 2025-08-13

Fell to 5% or below in the last year: LYTTON LAURENCE W (5.0%, 2026-08-14), Philotimo Fund, LP (0.0%, 2025-11-12)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 1 buyingQ1 25: 0 sellingQ1 25Q2 25: 2 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20251$19.5k0——
Q2 20252$125.0k0——
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Nantahala Capital Management, LLC 0.14% of their portfolio NEW CANAAN, CT 2,173,6242.2m $4.7m $4.7m 0.14% Added +1.1m +1,086,812
2 Stonepine Capital Management, LLC 1.49% of their portfolio Bend, OR 912,921912.9k $2.0m $2.0m 1.49% Added +120.6k +120,632
3 AWM Investment Company, Inc. 0.12% of their portfolio NEW YORK, NY 619,574619.6k $1.3m $1.3m 0.12% Unchanged
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 261,146261.1k $561.5k $561.5k 0.00% Unchanged
5 CROWN ADVISORS MANAGEMENT, INC. 0.24% of their portfolio LARKSPUR, CA 200,000200.0k $430.0k $430.0k 0.24% Added +55.0k +55,000
6 DIADEMA PARTNERS LP 0.11% of their portfolio MORRISTOWN, NJ 148,546148.5k $319.4k $319.4k 0.11% Reduced -204.5k -204,531
7 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 105,326105.3k $226.5k $226.5k 0.00% Reduced -16.6k -16,647
8 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 104,823104.8k $225.4k $225.4k 0.00% Added +11.1k +11,100
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 93,64793.6k $201.4k $201.4k 0.00% Added +1.0k +1,011
10 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 49,41449.4k $106.2k $106.2k 0.00% Added +12.6k +12,573
11 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 47,04847.0k $101.2k $101.2k 0.00% Unchanged
12 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 45,32645.3k $97.5k $97.5k 0.00% Added +1.7k +1,741
13 Persistent Asset Partners Ltd 0.03% of their portfolio HONG KONG, K3 37,98438.0k $81.7k $81.7k 0.03% Reduced -54.9k -54,913
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 27,92527.9k $60.0k $60.0k 0.00% Added +8.8k +8,756
15 BELLEVUE ASSET MANAGEMENT, LLC 0.02% of their portfolio BELLEVUE, WA 25,01325.0k $53.8k $53.8k 0.02% Unchanged
16 BlackRock, Inc. 0.00% of their portfolio New York, NY 22,79322.8k $49.0k $49.0k 0.00% Unchanged
17 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 21,41621.4k $46.0k $46.0k 0.00% Reduced -166 -166
18 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 10,23710.2k $22.0k $22.0k 0.00% Unchanged
19 Daytona Street Capital LLC 0.02% of their portfolio SAINT LOUIS, MO 10,00010.0k $22.4k $22.4k 0.02% Unchanged
20 UBS Group AG 0.00% of their portfolio ZURICH, V8 2,3772.4k $5.1k $5.1k 0.00% Added +714 +714
21 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,2322.2k $4.8k $4.8k 0.00% Added +668 +668
22 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 462462 $991 $991 0.00% Unchanged
23 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 378378 $1.0k $1.0k 0.00% Added +342 +342
24 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 154154 $337 $337 0.00% Unchanged
25 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 127127 $273 $273 0.00% Unchanged
26 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 125125 $269 $269 0.00% Unchanged
27 FNY Investment Advisers, LLC 0.00% of their portfolio NEW YORK, NY 110110 $0 $0 0.00% Added +20 +20
28 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 5050 $108 $108 0.00% New
29 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 3737 $80 $80 0.00% Unchanged
30 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2323 $49 $49 0.00% Unchanged
31 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 1010 $22 $22 0.00% Unchanged
32 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 1010 $22 $22 0.00% Reduced -1 -1
33 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 44 $9 $9 0.00% New
34 VISION FINANCIAL MARKETS LLC 0.00% of their portfolio STAMFORD, CT 22 $5 $5 0.00% Unchanged
35 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 22 $4 $4 0.00% New
36 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 22 $4 $4 0.00% Unchanged
37 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 11 $2 $2 0.00% Unchanged
38 TSFG, LLC 0.00% of their portfolio LAKE FOREST, IL 11 $0 $0 0.00% Unchanged