GROUP ONE TRADING LLC — 13F Holdings & Portfolio
CIK 932540 · latest 13F-HR filed 2026-08-14
GROUP ONE TRADING LLC manages $71.08B in 13F-reported U.S. long-equity assets across 8,032 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MU (3.36%), MU (2.78%), GLD (1.92%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 643 new positions and exited 653; 656 existing positions rose in reported value and 773 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- MARVELL TECHNOLOGY INC$51.0M +1079.5%
- UNITEDHEALTH GROUP INC$45.9M +653.5%
- TAIWAN SEMICONDUCTOR MANUFAC$45.6M +97.8%
- MICRON TECHNOLOGY INC$31.6M +60.0%
- FUELCELL ENERGY INC$24.7M +7456.5%
Top Trims
- AMPLIFY ETF TR-$67.5M -93.9%
- PETROLEO BRASILEIRO S A-$24.5M -74.6%
- ISHARES INC-$23.5M -75.8%
- FIRST MAJESTIC SILVER CORP-$19.3M -46.4%
- COEUR MNG INC-$17.8M -77.9%
New Positions
- ROUNDHILL ETF TRUST$108.6M
- BOOKING HOLDINGS INC$34.2M
- DOORDASH INC$22.9M
- NVIDIA CORPORATION$21.9M
- VISHAY INTERTECHNOLOGY INC$21.8M
Exited Positions
- CYTOKINETICS INC$24.0M
- CENTENE CORP DEL$19.1M
- FLAGSTAR BANK NATIONAL ASSOC$18.3M
- NEXTERA ENERGY INC$13.8M
- SPDR SERIES TRUST$11.5M
GROUP ONE TRADING LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | MICRON TECHNOLOGY INC Put | MU | 595112953 | $2.39B | 3.36% | 2,067,900 | SH |
| 2 | MICRON TECHNOLOGY INC Call | MU | 595112903 | $1.98B | 2.78% | 1,713,300 | SH |
| 3 | SPDR GOLD TR Call | GLD | 78463V907 | $1.37B | 1.92% | 3,706,400 | SH |
| 4 | SANDISK CORP Put | — | 80004C950 | $1.26B | 1.77% | 552,500 | SH |
| 5 | TESLA INC Call | TSLA | 88160R901 | $1.18B | 1.66% | 2,807,700 | SH |
| 6 | META PLATFORMS INC Call | META | 30303M902 | $1.03B | 1.45% | 1,825,000 | SH |
| 7 | MICROSOFT CORP Call | MSFT | 594918904 | $892.0M | 1.25% | 2,391,200 | SH |
| 8 | VANECK ETF TRUST Put | GENZ | 92189F956 | $884.3M | 1.24% | 1,348,300 | SH |
| 9 | SANDISK CORP Call | — | 80004C900 | $847.0M | 1.19% | 372,500 | SH |
| 10 | INTEL CORP Call | INTC | 458140900 | $697.3M | 0.98% | 4,994,200 | SH |
| 11 | APPLE INC Call | AAPL | 037833900 | $680.4M | 0.96% | 2,351,400 | SH |
| 12 | TESLA INC Put | TSLA | 88160R951 | $673.8M | 0.95% | 1,601,900 | SH |
| 13 | UNITEDHEALTH GROUP INC Call | UNH | 91324P902 | $670.7M | 0.94% | 1,613,600 | SH |
| 14 | NVIDIA CORPORATION Call | NVDA | 67066G904 | $631.7M | 0.89% | 3,157,000 | SH |
| 15 | ELI LILLY & CO Call | LLY | 532457908 | $565.9M | 0.80% | 471,800 | SH |
| 16 | TAIWAN SEMICONDUCTOR MANUFAC Put | TSM | 874039950 | $535.5M | 0.75% | 1,121,200 | SH |
| 17 | ADVANCED MICRO DEVICES INC Call | AMD | 007903907 | $531.3M | 0.75% | 914,600 | SH |
| 18 | ADVANCED MICRO DEVICES INC Put | AMD | 007903957 | $491.3M | 0.69% | 845,700 | SH |
| 19 | ALPHABET INC Call | GGLAP | 02079K907 | $460.7M | 0.65% | 1,303,900 | SH |
| 20 | SPDR GOLD TR Put | GLD | 78463V957 | $442.8M | 0.62% | 1,202,100 | SH |
| 21 | NEBIUS GROUP N.V. Call | NBIS | N97284908 | $425.1M | 0.60% | 1,539,400 | SH |
| 22 | ISHARES INC Put | EZU | 464286952 | $399.3M | 0.56% | 1,977,800 | SH |
| 23 | ISHARES INC Call | EZU | 464286902 | $384.8M | 0.54% | 1,905,800 | SH |
| 24 | UNITEDHEALTH GROUP INC Put | — | 91324P952 | $359.8M | 0.51% | 865,600 | SH |
| 25 | TAIWAN SEMICONDUCTOR MANUFAC Call | TSM | 874039900 | $357.9M | 0.50% | 749,400 | SH |
| 26 | VANECK ETF TRUST Call | GENZ | 92189F906 | $348.1M | 0.49% | 530,700 | SH |
| 27 | GOLDMAN SACHS GROUP INC Call | GS | 38141G904 | $344.0M | 0.48% | 340,100 | SH |
| 28 | ELI LILLY & CO Put | LLY | 532457958 | $333.2M | 0.47% | 277,800 | SH |
| 29 | FIRST SOLAR INC Call | FSLR | 336433907 | $326.1M | 0.46% | 1,382,000 | SH |
| 30 | ALIBABA GROUP HLDG LTD Call | BABAF | 01609W902 | $319.1M | 0.45% | 3,324,200 | SH |
| 31 | BROADCOM INC Call | AVGO | 11135F901 | $316.1M | 0.44% | 836,800 | SH |
| 32 | ISHARES TR Put | IFXAF | 464287953 | $311.6M | 0.44% | 486,300 | SH |
| 33 | INTEL CORP Put | INTC | 458140950 | $305.3M | 0.43% | 2,186,700 | SH |
| 34 | NVIDIA CORPORATION Put | NVDA | 67066G954 | $288.1M | 0.41% | 1,439,700 | SH |
| 35 | BLOOM ENERGY CORP Call | — | 093712907 | $284.9M | 0.40% | 941,300 | SH |
| 36 | UNITED STS OIL FD LP Call | USO | 91232N907 | $274.5M | 0.39% | 2,579,100 | SH |
| 37 | UNITED STS OIL FD LP Put | USO | 91232N957 | $274.1M | 0.39% | 2,575,600 | SH |
| 38 | ROUNDHILL ETF TRUST Call | — | 77926X900 | $271.7M | 0.38% | 3,678,800 | SH |
| 39 | ARM HOLDINGS PLC Call | ARM | 042068905 | $268.6M | 0.38% | 757,600 | SH |
| 40 | STRIVE INC Call | ASST | 862945900 | $264.0M | 0.37% | 24,201,900 | SH |
| 41 | BROADCOM INC Put | AVGO | 11135F951 | $262.0M | 0.37% | 693,700 | SH |
| 42 | VANECK ETF TRUST Call | GENZ | 92189F906 | $260.1M | 0.37% | 3,446,800 | SH |
| 43 | ISHARES SILVER TR Call | SLV | 46428Q909 | $259.2M | 0.36% | 4,848,300 | SH |
| 44 | AST SPACEMOBILE INC Call | ASTS | 00217D900 | $252.1M | 0.35% | 2,836,700 | SH |
| 45 | LAM RESEARCH CORP Call | LRCX | 512807906 | $235.8M | 0.33% | 544,100 | SH |
| 46 | PALANTIR TECHNOLOGIES INC Call | PLTR | 69608A908 | $230.7M | 0.32% | 1,977,800 | SH |
| 47 | NETFLIX INC. Call | NFLX | 64110L906 | $228.6M | 0.32% | 3,202,200 | SH |
| 48 | BLOOM ENERGY CORP Put | — | 093712957 | $227.3M | 0.32% | 750,900 | SH |
| 49 | ASML HLDG NV Put | ASML | N07059950 | $221.2M | 0.31% | 111,200 | SH |
| 50 | ARM HOLDINGS PLC Put | ARM | 042068955 | $215.6M | 0.30% | 608,200 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $71.08B | 8,032 | 0000932540-26-000011 |
| 2026-03-31 | 2026-05-13 | $52.18B | 8,022 | 0000932540-26-000005 |
| 2025-12-31 | 2026-02-12 | $57.28B | 8,559 | 0000932540-26-000002 |
| 2025-09-30 | 2025-11-12 | $56.88B | 8,852 | 0000932540-25-000040 |
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