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
SONN is no longer listed, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.
- 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 |
|---|---|---|---|---|---|
| Carolina Wealth Advisors, LLC | 32 | $147 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 175 | $568 | 0.00% | +175 | New |
| Citigroup Inc | 134 | $614 | 0.00% | +134 | New |
| Golden State Wealth Management, LLC | 202 | $925 | 0.00% | +202 | New |
| UBS Group AG | 277 | $1.27K | 0.00% | −6,382−95.8% | Reduced |
| Advisory Services Network, LLC | 636 | $2.91K | 0.00% | +636 | New |
| Clear Street Markets LLC | 1,000 | $4.58K | 0.00% | +1,000 | New |
| Tower Research Capital LLC (TRC) | 1,051 | $4.81K | 0.00% | −414−28.3% | Reduced |
| Larson Financial Group LLC | 4,303 | $19.7K | 0.00% | +4,303 | New |
| JPMorgan Chase & Co | 7,537 | $34.5K | 0.00% | +7,537 | New |
| Jane Street Group, LLC | 10,562 | $48.4K | 0.00% | +10,562 | New |
| Investment House LLC | 10,625 | $48.7K | 0.00% | +10,625 | New |
| Two Sigma Investments, LP | 14,972 | $68.6K | 0.00% | +14,972 | New |
| Bank of America Corp | 16,784 | $76.9K | 0.00% | +16,755+57,775.9% | Added |
| Northern Trust Corp | 17,860 | $81.8K | 0.00% | +17,860 | New |
| BlackRock, Inc. | 21,940 | $100.5K | 0.00% | +21,875+33,653.8% | Added |
| State Street Corp | 22,534 | $103.2K | 0.00% | +22,534 | New |
| Morgan Stanley | 25,808 | $118.2K | 0.00% | +25,808 | New |
| Virtu Financial LLC | 26,266 | $120.0K | 0.01% | +26,266 | New |
| Citadel Advisors LLC | 46,082 | $211.1K | 0.00% | +46,082 | New |
| BIT Capital GmbH | 48,358 | $221.5K | 0.01% | +48,358 | New |
| Goldman Sachs Group Inc | 55,134 | $252.5K | 0.00% | +55,134 | New |
| Boothbay Fund Management, LLC | 56,339 | $258.0K | 0.01% | +56,339 | New |
| Geode Capital Management, LLC | 61,840 | $283.2K | 0.00% | +36,948+148.4% | Added |
| HRT Financial LP | 74,265 | $340.0K | 0.00% | +74,265 | New |
| Vanguard Group Inc | 96,382 | $441.4K | 0.00% | +96,382 | New |
| Ikarian Capital, LLC | 150,000 | $687.0K | 0.16% | +150,000 | New |
| 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 |