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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

PACB holding history

Pacific Biosciences of California, Inc. in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PACB overviewAll 13F holders of PACBFull Q2 2026 holdings

Shares (Q2 2026)
2,845,903
Value
$4.78M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of PACB by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,845,903$4.78M<0.1%+1,269,852+80.6%AddedHolders
Q1 20261,576,051$2.08M<0.1%−1,590,190−50.2%ReducedHolders
Q4 20253,166,241$5.92M<0.1%+667,887+26.7%AddedHolders
Q3 20252,498,354$3.20M<0.1%+2,498,354NewHolders
Q2 20250$00.0%−22−100.0%Sold outHolders
Q1 202522$26<0.1%−360,959−100.0%ReducedHolders
Q4 2024360,981$660.6K<0.1%+360,959+1,640,722.7%AddedHolders
Q3 202422$37<0.1%−904,179−100.0%ReducedHolders
Q2 2024904,201$1.24M<0.1%−578,114−39.0%ReducedHolders
Q1 20241,482,315$5.56M<0.1%+937,811+172.2%AddedHolders
Q4 2023544,504$5.34M<0.1%−2,600,173−82.7%ReducedHolders
Q3 20233,144,677$26.3M<0.1%−776,626−19.8%ReducedHolders
Q2 20233,921,303$52.2M0.1%−1,127,669−22.3%ReducedHolders
Q1 20235,048,972$58.5M0.1%+472,312+10.3%AddedHolders
Q4 20224,576,660$37.4M<0.1%−358,452−7.3%ReducedHolders
Q3 20224,935,112$28.6M<0.1%+4,619,581+1,464.1%AddedHolders
Q2 2022315,531$1.40M<0.1%−1,932,718−86.0%ReducedHolders
Q1 20222,248,249$20.5M<0.1%+1,893,895+534.5%AddedHolders
Q4 2021354,354$7.25M<0.1%−50,549−12.5%ReducedHolders
Q3 2021404,903$10.3M<0.1%+138,246+51.8%AddedHolders
Q2 2021266,657$9.32M<0.1%−94,484−26.2%ReducedHolders
Q1 2021361,141$12.0M<0.1%––Holders

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