AYTU Institutional Ownership
Who owns Aytu Biopharma, Inc and what the big funds did with it last quarter, from every SEC 13F filing. 38 funds reported holding AYTU at Jun 30, 2026, together owning 45.3% of the company.
- ▲15 buying vs 7 selling
- ▲Held by funds +9.4 pts
- ▲Funds holding +1
- ▲Superinvestors: 2 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 38 | 37 | +2.7% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 4.9M | 3.9M | +26.1% |
| Held by funds | 45.3% | 35.9% | +9.4 pts |
| New positions | 3 | 4 | −25.0% |
| Increased | 12 | 9 | +33.3% |
| Reduced | 5 | 5 | 0.0% |
| Sold out | 2 | 5 | −60.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AYTU
All superinvestors →
Who owns AYTU
share of fund held shares- Index and passive funds10.1%
- Active managers and hedge funds89.8%
- Banks and brokers0.1%
- Pensions, insurers and other0.0%
The top 10 holders own 94.8% of all AYTU shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
2 funds changed their position- FNY Investment Advisers, LLCSold out−110 sh
- Farther Finance Advisors, LLCSold out−4 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 20.00% | 2.2M | $4.7M | +1.1M |
| 2 | Stonepine Capital Management, LLC | 8.40% | 913K | $2M | +121K |
| 3 | AWM Investment Company, Inc. | 5.70% | 620K | $1.3M | 0 |
| 4 | Vanguard Capital Management LLC | 2.40% | 261K | $561K | 0 |
| 5 | Crown Advisors Management, Inc. | 1.84% | 200K | $430K | +55K |
| 6 | Diadema Partners LP | 1.37% | 149K | $319K | −205K |
| 7 | Two Sigma Investments, LP | 0.97% | 105K | $226K | −17K |
| 8 | Renaissance Technologies LLC | 0.96% | 105K | $225K | +11K |
| 9 | Geode Capital Management, LLC | 0.86% | 94K | $201K | +1,011 |
| 10 | Citadel Advisors LLC | 0.45% | 49K | $106K | +13K |
- Nantahala Capital Management, LLC+1.1M sh+$2.3M
- Stonepine Capital Management, LLC+121K sh+$259K
- Crown Advisors Management, Inc.+55K sh+$118K
- Citadel Advisors LLC+13K sh+$27K
- Renaissance Technologies LLC+11K sh+$24K
- Northern Trust Corp+8,756 sh+$19K
- Dimensional Fund Advisors LP+1,741 sh+$4K
- Geode Capital Management, LLC+1,011 sh+$2K
- Diadema Partners LP−205K sh−$440K
- Persistent Asset Partners Ltd−55K sh−$118K
- Two Sigma Investments, LP−17K sh−$36K
- MAI Capital Management−3,575 sh−$10K
- XTX Topco Ltd−166 sh−$357
- NewEdge Advisors, LLC−21 sh−$57
- SBI Securities Co., Ltd.−1 sh−$2
AYTU institutional ownership FAQ
Who owns the most AYTU stock?
In Q2 2026 13F filings the largest holder of AYTU was Nantahala Capital Management, LLC, followed by Stonepine Capital Management, LLC and AWM Investment Company, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of AYTU is owned by institutions?
Funds that file 13F reports held 45.3% of AYTU's shares at Jun 30, 2026, compared with 35.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying AYTU?
In Q2 2026, 15 funds bought AYTU (3 of them new positions) and 7 sold (2 sold out completely). Among well known investors, 2 added and 0 cut. Our fund sentiment for AYTU is strongly bullish.
What is AYTU's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this AYTU ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.