Aytu Biopharma, Inc
AYTU- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001385818
No open-market purchases or sales by Aytu Biopharma, Inc insiders were filed in the last 90 days; 38 institutions reported holding it in 13F filings for Q2 2026, worth $8.25M in total; no superinvestor holds it.
Holders of 5% or more of AYTU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Aytu Biopharma, Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 13D/A | 14.40%1.09M shares | – | Jun 9, 20251 filing | Jun 9, 2025 | SEC |
| Lytton Laurence W | 13G/A | 9.99%1.07M shares | 0.00 ppfrom 9.99% | Jun 13, 20253 filings | Feb 17, 2026 | SEC |
| Stonepine Capital Management, LLC | 13G/A | 9.90%906.1K shares | – | Aug 13, 20251 filing | Aug 13, 2025 | SEC |
| AWM Investment Company, Inc. | 13G/A | 5.80%619.6K shares | −1.10 ppfrom 6.90% | Aug 14, 20252 filings | Feb 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Aytu Biopharma, Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20261:31 PM ET | Lytton Laurence Wand 1 other | 13G/A | 9.99%1.07M shares | 0.00 ppfrom 9.99% | Dec 31, 2025 | SEC |
| Feb 13, 20262:35 PM ET | AWM Investment Company, Inc. | 13G/A | 5.80%619.6K shares | −1.10 ppfrom 6.90% | Dec 31, 2025 | SEC |
| Nov 14, 20251:26 PM ET | Lytton Laurence Wand 1 other | 13G/A | 9.99%1.09M shares | +4.39 ppfrom 5.60% | Sep 30, 2025 | SEC |
| Nov 12, 20255:35 PM ET | Philotimo Fund, LPand 3 others | 13G/A | 0.00%0 shares | −6.40 ppfrom 6.40%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20252:58 PM ET | AWM Investment Company, Inc. | 13G | 6.90%619.9K shares | New | Jun 30, 2025 | SEC |
| Aug 13, 20254:16 PM ET | Stonepine Capital Management, LLCand 3 others | 13G/A | 9.90%906.1K shares | – | Jun 30, 2025 | SEC |
| Jun 26, 20255:36 PM ET | Philotimo Fund, LPand 3 others | 13G | 6.40%573.4K shares | +3.70 ppfrom 2.70% | Jun 6, 2025 | SEC |
| Jun 26, 20255:31 PM ET | Philotimo Fund, LPand 3 others | 13G/A | 2.70%166.3K shares | −7.60 ppfrom 10.30%Below 5% | May 22, 2025 | SEC |
| Jun 26, 20255:18 PM ET | Philotimo Fund, LPand 3 others | 13G/A | 10.30%635.1K shares | +4.10 ppfrom 6.20% | May 15, 2025 | SEC |
| Jun 26, 20255:01 PM ET | Philotimo Fund, LPand 3 others | 13G | 6.20%381.8K shares | New | May 14, 2025 | SEC |
| Jun 13, 20252:09 PM ET | Lytton Laurence W | 13G | 5.60%506.6K shares | New | Jun 9, 2025 | SEC |
| Jun 9, 20254:31 PM ET | Nantahala Capital Management, LLCand 2 others | 13D/A | 14.40%1.09M shares | – | Jun 6, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Aytu Biopharma, Inc shares.
No Form 144 notices for Aytu Biopharma, Inc are on file.