Bluejay Therapeutics
acquired by Mirum PharmaceuticalsSan Mateo, US · Founded 2019 · Delaware corporation · 11 employees on LinkedIn · 10 known investors
Find your way into Bluejay Therapeutics
100 people in our graph share verified history with the Bluejay Therapeutics team — schools, employers, funds. One of them is your warm intro.
Luke Evninunlockedknows Keting Chu · together at University of California, San Francisco (overlapped)
knows the team · via Bluejay Therapeutics
×2knows the team · via The Leukemia & Lymphoma Society
knows the team · via Chiron Corporation
knows the team · via University of California, San Francisco
×5knows the team · via Sun Yat-sen University
Acquired by Mirum Pharmaceuticals, Inc. December 2025 · $620M ($250M cash and $370M stock upfront, plus up to $200M in milestones (~$820M total)) · source ↗
Healthcare company acquired by Mirum Pharmaceuticals, a former RiverVest portfolio company.
Founders & leadership
Bluejay Therapeutics was founded in 2019 by Keting Chu.
KC

Keting ChuinFounder, Chairman and CEO2020–2026Keting Chu founded Bluejay Therapeutics in 2019 and previously held roles as partner at Lyfe Capital, venture partner at Apple Tree Partners, and VP of Research at The Leukemia and Lymphoma Society, where she oversaw venture investments in therapeutic development. She has held leadership positions at Mission Therapeutics, DigitAB, BioCubed, Five Prime Therapeutics, and Chiron Corporation, with experience spanning antibody therapeutics, immunotherapy, and cancer drug development.
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Dajun YangNamed on SEC filing
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Alon LazarusNamed on SEC filing
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William J. RutterNamed on SEC filing
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Ting JiaNamed on SEC filing
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Wen ChenNamed on SEC filing
Investors · 10
Frazier Life SciencesPalo Alto
RA CapitalBoston
RiverVest Venture PartnersSt. Louis · $500K – $3M
HBM Healthcare InvestmentsreportedZug
Novo HoldingsreportedCopenhagen · $1.1M – $54M
T. Rowe PricereportedBaltimore
Wellington ManagementreportedBoston · $5M – $50M
Also in the syndicate · 3
Arkin Bio VenturesOctagon CapitalUnicorn Capital
Reported raises · per SEC filings
Form D private placements$221.7M disclosed across 3 rounds · 2021–2024
▶$182MraisedMay 2024 · 19 investors · Other TechnologyRule 506(b)
▶$182MraisedMay 2024 · 19 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Dan EstesDirector
- Pascal KroteeDirector
- Jianqing LiDirector
- Keting ChuExecutive Officer, Director
- Alon LazarusDirector
- Dajun YangDirector
- Offering amount
- $182M
- Amount sold
- $182M
- First sale
- May 2024
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$20.5MraisedAug 2022 · 9 investors · Other TechnologyRule 506(b)
▶$20.5MraisedAug 2022 · 9 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Keting ChuExecutive Officer, Director
- Dajun YangDirector
- Nancy HongDirector
- Alon LazarusDirector
- William J. RutterDirector
- Ting JiaDirector
- Wen ChenDirector
- Offering amount
- $41.2M
- Amount sold
- $20.5M
- First sale
- Aug 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$19.2MraisedJun 2021 · 6 investors · Other TechnologyRule 506(b)
▶$19.2MraisedJun 2021 · 6 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Keting ChuExecutive Officer, Director
- Offering amount
- $24.2M
- Amount sold
- $19.2M
- First sale
- Jun 2021
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Bluejay Therapeutics do?
- Healthcare company acquired by Mirum Pharmaceuticals, a former RiverVest portfolio company.
- Who founded Bluejay Therapeutics?
- Bluejay Therapeutics was founded by Keting Chu in 2019.
- Who are Bluejay Therapeutics's investors?
- Bluejay Therapeutics's investors include Frazier Life Sciences, RA Capital, RiverVest Venture Partners, HBM Healthcare Investments, Novo Holdings, T. Rowe Price, Wellington Management.
- How much funding has Bluejay Therapeutics raised?
- Bluejay Therapeutics has disclosed $221.7M raised across 3 rounds.
- Who acquired Bluejay Therapeutics?
- Bluejay Therapeutics was acquired by Mirum Pharmaceuticals.
- Where is Bluejay Therapeutics headquartered?
- Bluejay Therapeutics is headquartered in San Mateo, US.




