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Livermore
Livermore
ZHEN

Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

ILMN holding history

Illumina, Inc. in every 13F filed by Group One Trading, L.P., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ILMN overviewAll 13F holders of ILMNFull Q2 2026 holdings

Shares (Q2 2026)
15,390
Value
$2.71M
% of portfolio
0.1%
Quarters held
18
Since Q1 2021
Holdings of ILMN by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202615,390$2.71M0.1%−287−1.8%ReducedHolders
Q1 202615,677$1.93M0.1%−22,684−59.1%ReducedHolders
Q4 202538,361$5.03M0.1%−6,047−13.6%ReducedHolders
Q3 202544,408$4.22M0.1%+17,638+65.9%AddedHolders
Q2 202526,770$2.55M0.1%+3,402+14.6%AddedHolders
Q1 202523,368$1.85M0.1%+23,368NewHolders
Q4 20240$00.0%−11,825−100.0%Sold outHolders
Q3 202411,825$1.54M0.1%+11,825NewHolders
Q1 20240$00.0%−11,746−100.0%Sold outHolders
Q4 202311,746$1.64M0.1%−2,507−17.6%ReducedHolders
Q3 202314,253$1.96M0.1%+13,308+1,408.3%AddedHolders
Q2 2023945$177.2K<0.1%−9,635−91.1%ReducedHolders
Q1 202310,580$2.46M0.1%+10,580NewHolders
Q4 20220$00.0%−2,493−100.0%Sold outHolders
Q3 20222,493$476.0K<0.1%−55,239−95.7%ReducedHolders
Q2 202257,732$10.6M0.3%+13,481+30.5%AddedHolders
Q1 202244,251$15.5M0.3%−58,703−57.0%ReducedHolders
Q4 2021102,954$39.2M0.7%−22,448−17.9%ReducedHolders
Q3 2021125,402$50.9M1.1%+67,732+117.4%AddedHolders
Q2 202157,670$27.3M0.5%+11,879+25.9%AddedHolders
Q1 202145,791$17.6M0.4%––Holders

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