Reporting Owner Activity for Bihua Chen

Form 3/4/5 issuer positions and transaction evidence for this reporting owner.

Issuer positions

Largest position

BridgeBio Oncology Therapeutics, Inc.

Disclosed value

$323.03M

Recent activity

Available

Location: Boston, MA
Ownership summary: Disclosed holdings value
$323,028,038
Estimated from parsed Forms 3/4/5 holdings when values are available.
Issuer positions
6
Distinct issuers linked to this reporting owner in parsed SEC filings.
Largest parsed position
BridgeBio Oncology Therapeutics, Inc. (BBOT)
About $191.61M reported in parsed filings.
Latest ownership filing
28 Jan 2026
Most recent owner-level filing date in the parsed SEC record.
BridgeBio Oncology Therapeutics, Inc. (BBOT)
Director, 10%+ Owner - about $191.61M reported
BRIGHT MINDS BIOSCIENCES INC. (DRUG)
Former 10% Owner - about $85.02M reported
Erasca, Inc. (ERAS)
Director - about $17.19M reported
MoonLake Immunotherapeutics (MLTX)
Former 10% Owner - about $13.88M reported
Helix Acquisition Corp. III (HLXC)
Chairperson And Ceo, Director, 10%+ Owner - about $8M reported
Biomea Fusion, Inc. (BMEA)
Former Director - about $7.33M reported
Values come from parsed SEC Forms 3/4/5 and should be verified against the source filing.
Reporting signature: /s/ Bihua Chen, Name: Bihua Chen
Source filings: Open source filing history

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