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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

GKOS holding history

GLAUKOS Corp 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.

GKOS overviewAll 13F holders of GKOSFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
14
Since Q1 2021
Holdings of GKOS by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−357−100.0%Sold outHolders
Q3 2025357$29.1K<0.1%−543−60.3%ReducedHolders
Q2 2025900$93.0K<0.1%+900NewHolders
Q4 20240$00.0%−4,458−100.0%Sold outHolders
Q3 20244,458$580.8K<0.1%+4,322+3,177.9%AddedHolders
Q2 2024136$16.1K<0.1%+15+12.4%AddedHolders
Q1 2024121$11.4K<0.1%−9,126−98.7%ReducedHolders
Q4 20239,247$735.0K<0.1%+2,470+36.4%AddedHolders
Q3 20236,777$510.0K<0.1%−22,319−76.7%ReducedHolders
Q2 202329,096$2.07M0.1%+25,256+657.7%AddedHolders
Q1 20233,840$192.4K<0.1%+3,840NewHolders
Q4 20220$00.0%−11,880−100.0%Sold outHolders
Q3 202211,880$632.0K<0.1%+11,880NewHolders
Q2 20220$00.0%−33,206−100.0%Sold outHolders
Q1 202233,206$1.92M<0.1%+33,206NewHolders
Q4 20210$00.0%−1,647−100.0%Sold outHolders
Q3 20211,647$79.0K<0.1%−253−13.3%ReducedHolders
Q2 20211,900$161.0K<0.1%+1,406+284.6%AddedHolders
Q1 2021494$41.0K<0.1%––Holders

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