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 2025
Institutional positions in Sonnet BioTherapeutics Holdings, Inc. as of Sep 30, 2025. 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
- 27
- +18 vs. Q2 2025
- Shares held
- 771.1K
- +590.7K (+327.4%) vs. Q2 2025
- Total value
- $3.53M
- +$3.31M (+1,478.4%) vs. Q2 2025
- New holders
- 21
- 3 more added
- Sold out
- 3
- 2 more reduced
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Sonnet BioTherapeutics Holdings, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ikarian Capital, LLC | 150,000 | $687.0K | 0.16% | +150,000 | New |
| Vanguard Group Inc | 96,382 | $441.4K | 0.00% | +96,382 | New |
| HRT Financial LP | 74,265 | $340.0K | 0.00% | +74,265 | New |
| Geode Capital Management, LLC | 61,840 | $283.2K | 0.00% | +36,948+148.4% | Added |
| Boothbay Fund Management, LLC | 56,339 | $258.0K | 0.01% | +56,339 | New |
| Goldman Sachs Group Inc | 55,134 | $252.5K | 0.00% | +55,134 | New |
| BIT Capital GmbH | 48,358 | $221.5K | 0.01% | +48,358 | New |
| Citadel Advisors LLC | 46,082 | $211.1K | 0.00% | +46,082 | New |
| Virtu Financial LLC | 26,266 | $120.0K | 0.01% | +26,266 | New |
| Morgan Stanley | 25,808 | $118.2K | 0.00% | +25,808 | New |
| State Street Corp | 22,534 | $103.2K | 0.00% | +22,534 | New |
| BlackRock, Inc. | 21,940 | $100.5K | 0.00% | +21,875+33,653.8% | Added |
| Northern Trust Corp | 17,860 | $81.8K | 0.00% | +17,860 | New |
| Bank of America Corp | 16,784 | $76.9K | 0.00% | +16,755+57,775.9% | Added |
| Two Sigma Investments, LP | 14,972 | $68.6K | 0.00% | +14,972 | New |
| Investment House LLC | 10,625 | $48.7K | 0.00% | +10,625 | New |
| Jane Street Group, LLC | 10,562 | $48.4K | 0.00% | +10,562 | New |
| JPMorgan Chase & Co | 7,537 | $34.5K | 0.00% | +7,537 | New |
| Larson Financial Group LLC | 4,303 | $19.7K | 0.00% | +4,303 | New |
| Tower Research Capital LLC (TRC) | 1,051 | $4.81K | 0.00% | −414−28.3% | Reduced |
| Clear Street Markets LLC | 1,000 | $4.58K | 0.00% | +1,000 | New |
| Advisory Services Network, LLC | 636 | $2.91K | 0.00% | +636 | New |
| UBS Group AG | 277 | $1.27K | 0.00% | −6,382−95.8% | Reduced |
| Golden State Wealth Management, LLC | 202 | $925 | 0.00% | +202 | New |
| Citigroup Inc | 134 | $614 | 0.00% | +134 | New |
| Advisor Group Holdings, Inc. | 175 | $568 | 0.00% | +175 | New |
| Carolina Wealth Advisors, LLC | 32 | $147 | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 0 | $0 | 0.00% | −133,590−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −13,668−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −6−100.0% | Sold out |