GROUP ONE TRADING LLC: 13F holdings

CIK 9325402026Q2

Positions7,824
Reported value$71.1bn
Filed2026-08-14

Change since last quarter

Positions7,824 (+2 vs prior quarter)
Reported value$71.1bn (+36.2%)

Top 10 holdings

SecuritySharesValueWeight
DRAM ROUNDHILL ETF TRUST1,470,486$108.6m0.2%
TSM TAIWAN SEMICONDUCTOR MANUFAC193,229$92.3m0.1%
MU MICRON TECHNOLOGY INC72,926$84.2m0.1%
URA GLOBAL X FDS1,820,258$79.5m0.1%
MRVL MARVELL TECHNOLOGY INC186,955$55.7m0.1%
UNH UNITEDHEALTH GROUP INC127,354$52.9m0.1%
KKR KKR & CO INC482,993$44.3m0.1%
BKNG BOOKING HOLDINGS INC191,731$34.2m0.0%
URNM SPROTT FDS TR624,929$32.9m0.0%
OSCR OSCAR HEALTH INC1,148,112$32.7m0.0%

Get the full book

import finzdata as yf
yf.Client().manager_holdings(cik="932540")

Every position, quarter by quarter since 2013, with adds, trims and exits, on the look-back bundles.

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