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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

PACB holding history

Pacific Biosciences of California, Inc. in every 13F filed by Simplex Trading, 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)
65,659
Value
$110.3K
% of portfolio
<0.1%
Quarters held
16
Since Q1 2021
Holdings of PACB by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202665,659$110.3K<0.1%−43,357−39.8%ReducedHolders
Q1 2026109,016$143.9K<0.1%+109,016NewHolders
Q4 20250$00.0%−71,768−100.0%Sold outHolders
Q3 202571,768$91.0K<0.1%−45,757−38.9%ReducedHolders
Q2 2025117,525$145.0K<0.1%+116,763+15,323.2%AddedHolders
Q1 2025762$00.0%−80,260−99.1%ReducedHolders
Q4 202481,022$148.0K<0.1%+81,022NewHolders
Q2 20240$00.0%−33,006−100.0%Sold outHolders
Q1 202433,006$123.0K<0.1%−293,785−89.9%ReducedHolders
Q4 2023326,791$3.21M0.1%+84,556+34.9%AddedHolders
Q3 2023242,235$2.02M0.1%+71,792+42.1%AddedHolders
Q2 2023170,443$2.27M0.1%+170,443NewHolders
Q1 20230$00.0%−151,610−100.0%Sold outHolders
Q4 2022151,610$1.24M0.1%+151,610NewHolders
Q2 20220$00.0%−5,150−100.0%Sold outHolders
Q1 20225,150$46.0K<0.1%−8,347−61.8%ReducedHolders
Q4 202113,497$276.0K<0.1%−45,811−77.2%ReducedHolders
Q3 202159,308$2.04M0.1%−2,107−3.4%ReducedHolders
Q2 202161,415$2.15M0.1%+17,357+39.4%AddedHolders
Q1 202144,058$00.0%––Holders

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