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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

SIRI holding history

Sirius XM Holdings 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.

SIRI overviewAll 13F holders of SIRIFull Q2 2026 holdings

Shares (Q2 2026)
48,663
Value
$1.44M
% of portfolio
<0.1%
Quarters held
16
Since Q1 2021
Holdings of SIRI by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202648,663$1.44M<0.1%+12,347+34.0%AddedHolders
Q1 202636,316$838.2K<0.1%−79,411−68.6%ReducedHolders
Q4 2025115,727$2.31M0.1%+89,357+338.9%AddedHolders
Q3 202526,370$613.0K<0.1%+26,370NewHolders
Q1 20250$00.0%−140,381−100.0%Sold outHolders
Q4 2024140,381$3.20M0.1%−259,047−64.9%ReducedHolders
Q3 2024399,428$9.45M0.3%−229,489−36.5%ReducedHolders
Q2 2024628,917$1.78M0.1%+521,866+487.5%AddedHolders
Q1 2024107,051$415.0K<0.1%−32,403−23.2%ReducedHolders
Q4 2023139,454$762.0K<0.1%+139,454NewHolders
Q3 20230$00.0%−11,196−100.0%Sold outHolders
Q2 202311,196$50.0K<0.1%+11,196NewHolders
Q4 20220$00.0%−114,512−100.0%Sold outHolders
Q3 2022114,512$653.0K<0.1%+114,512NewHolders
Q2 20220$00.0%−200−100.0%Sold outHolders
Q1 2022200$1.00K<0.1%−2,193−91.6%ReducedHolders
Q4 20212,393$15.0K<0.1%−80,989−97.1%ReducedHolders
Q3 202183,382$547.0K<0.1%−3,657−4.2%ReducedHolders
Q2 202187,039$569.0K<0.1%+37,541+75.8%AddedHolders
Q1 202149,498$301.0K<0.1%––Holders

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