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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.

Q3 2025 vs. Q2 2025

How the institutions holding Sonnet BioTherapeutics Holdings, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of SONN: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders927+18
Shares180.4K771.1K+590.7K (+327.4%)
Value$223.7K$3.53M+$3.31M (+1,478.4%)

New holders (21)

Institutions that held Sonnet BioTherapeutics Holdings, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to SONN in Q3 2025
InstitutionSharesValue% of portfolio
Ikarian Capital, LLC150,000$687.0K0.16%
Vanguard Group Inc96,382$441.4K0.00%
HRT Financial LP74,265$340.0K0.00%
Boothbay Fund Management, LLC56,339$258.0K0.01%
Goldman Sachs Group Inc55,134$252.5K0.00%
BIT Capital GmbH48,358$221.5K0.01%
Citadel Advisors LLC46,082$211.1K0.00%
Virtu Financial LLC26,266$120.0K0.01%
Morgan Stanley25,808$118.2K0.00%
State Street Corp22,534$103.2K0.00%
Northern Trust Corp17,860$81.8K0.00%
Two Sigma Investments, LP14,972$68.6K0.00%
Investment House LLC10,625$48.7K0.00%
Jane Street Group, LLC10,562$48.4K0.00%
JPMorgan Chase & Co7,537$34.5K0.00%
Larson Financial Group LLC4,303$19.7K0.00%
Clear Street Markets LLC1,000$4.58K0.00%
Advisory Services Network, LLC636$2.91K0.00%
Golden State Wealth Management, LLC202$9250.00%
Citigroup Inc134$6140.00%
Advisor Group Holdings, Inc.175$5680.00%

Sold out (3)

Institutions that held Sonnet BioTherapeutics Holdings, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of SONN in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
MMCAP International Inc. SPC133,590$165.7K
XTX Topco Ltd13,668$16.9K
Raymond James Financial Inc6$7