Sonnet BioTherapeutics Holdings, Inc.
SONNDelisted Dec 2, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001106838
Sonnet BioTherapeutics Holdings, Inc. was delisted on Dec 2, 2025; its insiders filed their last Form 4 on Dec 4, 2025; 27 institutions reported holding it in 13F filings for Q3 2025, worth $3.53M in total; no superinvestor held it.
13F holders, Q3 2024
Institutional positions in Sonnet BioTherapeutics Holdings, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 3
- −7 vs. Q2 2024
- Shares held
- 443
- −585.3K (−99.9%) vs. Q2 2024
- Total value
- $2.97K
- −$546.5K (−99.5%) vs. Q2 2024
- New holders
- 1
- 0 more added
- Sold out
- 8
- 2 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SONN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 1 | $170.3K |
| Q3 2025 | 27 | $3.53M |
| Q2 2025 | 9 | $223.7K |
| Q1 2025 | 8 | $216.1K |
| Q4 2024 | 9 | $130.2K |
| Q3 2024 | 3 | $2.97K |
| Q2 2024 | 11 | $550.0K |
| Q1 2024 | 10 | $117.6K |
| Q4 2023 | 10 | $157.8K |
| Q3 2023 | 10 | $110.1K |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding Sonnet BioTherapeutics Holdings, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 378 | $2.53K | 0.00% | −6,793−94.7% | Reduced |
| BlackRock, Inc. | 65 | $435 | 0.00% | +65 | New |
| Private Wealth Management Group, LLC | 0 | $3 | 0.00% | −3−100.0% | Reduced |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −272,000−100.0% | Sold out |
| Sabby Management, LLC | 0 | $0 | 0.00% | −238,395−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −32,687−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −16,704−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −14,726−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −3,997−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |