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Baker Bros. Advisors LP

SEC CIK
0001263508
Latest filing
Aug 14, 2026

SERA holding history

Sera Prognostics, Inc. in every 13F filed by Baker Bros. Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SERA overviewAll 13F holders of SERAFull Q2 2026 holdings

Shares (Q2 2026)
5,498,170
Value
$10.0M
% of portfolio
0.1%
Quarters held
20
Since Q3 2021
Holdings of SERA by Baker Bros. Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,498,170$10.0M0.1%00.0%UnchangedHolders
Q1 20265,498,170$11.2M0.1%00.0%UnchangedHolders
Q4 20255,498,170$16.2M0.1%00.0%UnchangedHolders
Q3 20255,498,170$16.8M0.1%00.0%UnchangedHolders
Q2 20255,498,170$15.2M0.1%00.0%UnchangedHolders
Q1 20255,498,170$20.2M0.2%+63,771+1.2%AddedHolders
Q4 20245,434,399$44.2M0.5%00.0%UnchangedHolders
Q3 20245,434,399$42.4M0.4%00.0%UnchangedHolders
Q2 20245,434,399$32.2M0.4%00.0%UnchangedHolders
Q1 20245,434,399$49.5M0.6%00.0%UnchangedHolders
Q4 20235,434,399$32.5M0.4%+3,919,057+258.6%AddedHolders
Q3 20231,515,342$2.82M<0.1%−262,093−14.7%ReducedHolders
Q2 20231,777,435$5.86M<0.1%−11,565−0.6%ReducedHolders
Q1 20231,789,000$6.85M<0.1%+1,587,438+787.6%AddedHolders
Q4 2022201,562$254.0K<0.1%00.0%UnchangedHolders
Q3 2022201,562$322.0K<0.1%00.0%UnchangedHolders
Q2 2022201,562$331.0K<0.1%00.0%UnchangedHolders
Q1 2022201,562$764.0K<0.1%00.0%UnchangedHolders
Q4 2021201,562$1.39M<0.1%00.0%UnchangedHolders
Q3 2021201,562$2.24M<0.1%+201,562NewHolders