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Livermore
Livermore
ZHEN

Baker Bros. Advisors LP

SEC CIK
0001263508
Latest filing
Aug 14, 2026

ALEC holding history

Alector, 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.

ALEC overviewAll 13F holders of ALECFull Q2 2026 holdings

Shares (Q4 2024)
0
Sold out in Q4 2024
Value
$0
% of portfolio
0.0%
Quarters held
13
Since Q1 2021
Holdings of ALEC by Baker Bros. Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20240$00.0%−927,264−100.0%Sold outHolders
Q3 2024927,264$4.32M<0.1%00.0%UnchangedHolders
Q2 2024927,264$4.21M0.1%+927,264NewHolders
Q4 20230$00.0%−964,851−100.0%Sold outHolders
Q3 2023964,851$6.25M<0.1%00.0%UnchangedHolders
Q2 2023964,851$5.80M<0.1%00.0%UnchangedHolders
Q1 2023964,851$5.97M<0.1%+282,860+41.5%AddedHolders
Q4 2022681,991$6.29M<0.1%+442,763+185.1%AddedHolders
Q3 2022239,228$2.26M<0.1%00.0%UnchangedHolders
Q2 2022239,228$2.43M<0.1%00.0%UnchangedHolders
Q1 2022239,228$3.41M<0.1%00.0%UnchangedHolders
Q4 2021239,228$4.94M<0.1%00.0%UnchangedHolders
Q3 2021239,228$5.46M<0.1%00.0%UnchangedHolders
Q2 2021239,228$4.98M<0.1%00.0%UnchangedHolders
Q1 2021239,228$4.82M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.