AYTU BIOPHARMA INC (AYTU) Institutional Shareholders
AYTU BIOPHARMA INC (AYTU) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.25M in AYTU holdings during the latest filing period.
Nantahala Capital Management, Llc is currently the largest disclosed institutional shareholder of AYTU tracked by InsiderSet, reporting ownership valued at approximately $2.34M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $2.30M, representing an estimated loss of -1.40% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 93% of the total disclosed AYTU value among the investors covered in this analysis. Major shareholders include Nantahala Capital Management, Llc, Stonepine Capital Management, Llc, Awm Investment Company, Inc., and several other long-term asset managers with concentrated positions in AYTU BIOPHARMA INC (AYTU).
This page ranks the largest institutional AYTU shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
36
Total Reported Value
$8.25M
Largest Holder
Nantahala Capital Management, Llc
Largest Position
$2.34M
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
45
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, Llc | 0.14% | 1,086,812 | $2,336,646 | $2,304,041 | -$32,605 | -1.40% | |
| Stonepine Capital Management, Llc | 1.49% | 912,921 | $1,962,780 | $1,935,393 | -$27,387 | -1.40% | |
| Awm Investment Company, Inc. | 0.12% | 619,574 | $1,332,084 | $1,313,497 | -$18,587 | -1.40% | |
| Vanguard Capital Management Llc | 0.00% | 261,146 | $561,464 | $553,630 | -$7,834 | -1.40% | |
| Crown Advisors Management, Inc. | 0.24% | 200,000 | $430,000 | $424,000 | -$6,000 | -1.40% | |
| Diadema Partners Lp | 0.11% | 148,546 | $319,374 | $314,918 | -$4,456 | -1.40% | |
| Two Sigma Investments, Lp | 0.00% | 105,326 | $226,451 | $223,291 | -$3,160 | -1.40% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 104,823 | $225,369 | $222,225 | -$3,144 | -1.40% |
| Geode Capital Management, Llc | 0.00% | 93,647 | $201,371 | $198,532 | -$2,839 | -1.41% | |
| Citadel Advisors Llc | 0.00% | 49,414 | $106,240 | $104,758 | -$1,482 | -1.40% | |
| Vanguard Fiduciary Trust Co | 0.00% | 47,048 | $101,153 | $99,742 | -$1,411 | -1.40% | |
| Dimensional Fund Advisors Lp | 0.00% | 45,326 | $97,451 | $96,091 | -$1,360 | -1.40% | |
| Persistent Asset Partners Ltd | 0.03% | 37,984 | $81,666 | $80,526 | -$1,140 | -1.40% | |
| Northern Trust Corp | 0.00% | 27,925 | $60,039 | $59,201 | -$838 | -1.40% | |
| Bellevue Asset Management, Llc | 0.02% | 25,013 | $53,777 | $53,028 | -$749 | -1.39% | |
| Blackrock, Inc. | 0.00% | 22,793 | $49,005 | $48,321 | -$684 | -1.40% | |
| Xtx Topco Ltd | 0.00% | 21,416 | $46,044 | $45,402 | -$642 | -1.39% | |
| Daytona Street Capital Llc | 0.02% | 10,000 | $22,350 | $21,200 | -$1,150 | -5.15% | |
| Acadian Asset Management Llc | 0.00% | 10,237 | $22,000 | $21,702 | -$298 | -1.35% | |
| Ubs Group Ag | 0.00% | 2,375 | $5,106 | $5,035 | -$71 | -1.39% | |
| Tower Research Capital Llc (Trc) | 0.00% | 2,232 | $4,799 | $4,732 | -$67 | -1.40% | |
| Royal Bank Of Canada | 0.00% | 378 | $1,000 | $801 | -$199 | -19.86% | |
| Osaic Holdings, Inc. | 0.00% | 462 | $991 | $979 | -$12 | -1.17% | |
| Jpmorgan Chase & Co | 0.00% | 154 | $337 | $326 | -$11 | -3.12% | |
| Wells Fargo & Company/Mn | 0.00% | 127 | $273 | $269 | -$4 | -1.38% | |
| Morgan Stanley | 0.00% | 125 | $269 | $265 | -$4 | -1.49% | |
| Barclays Plc | 0.00% | 50 | $108 | $106 | -$2 | -1.85% | |
| Group One Trading Llc | 0.00% | 37 | $80 | $78 | -$2 | -1.95% | |
| Bnp Paribas Financial Markets | 0.00% | 23 | $49 | $49 | -$0 | -0.49% | |
| Rockefeller Capital Management L.P. | 0.00% | 10 | $22 | $21 | -$1 | -3.64% | |
| Sbi Securities Co., Ltd. | 0.00% | 10 | $22 | $21 | -$1 | -3.64% | |
| Farther Finance Advisors, Llc | 0.00% | 4 | $9 | $8 | -$1 | -5.78% | |
| Vision Financial Markets Llc | 0.00% | 2 | $5 | $4 | -$1 | -15.20% | |
| Arax Advisory Partners | 0.00% | 2 | $4 | $4 | +$0 | +6.00% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 2 | $4 | $4 | +$0 | +6.00% | |
| Jones Financial Companies Lllp | 0.00% | 1 | $2 | $2 | +$0 | +6.00% |
Frequently asked questions about AYTU
Who owns the most AYTU stock?
The largest holders of AYTU are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AYTU BIOPHARMA INC (AYTU).
Is AYTU widely held by superinvestors?
Many widely followed stocks like AYTU appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AYTU is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.