Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

GROUP ONE TRADING LLC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

GROUP ONE TRADING LLC (CIK 932540) reported $71.08B across 2,157 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: MU ($2.39B, 3.36%), MU ($1.98B, 2.78%), GLD ($1.37B, 1.92%), SNDK1 ($1.26B, 1.77%), TSLA ($1.18B, 1.66%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1MUMICRON TECHNOLOGY INC$2.39B3.36%2.1MAdded
2MUMICRON TECHNOLOGY INC$1.98B2.78%1.7MAdded
3GLDSPDR GOLD TR$1.37B1.92%3.7MTrimmed
4SNDK1SANDISK CORP$1.26B1.77%552,500Added
5TSLATESLA INC$1.18B1.66%2.8MTrimmed
6METAMETA PLATFORMS INC$1.03B1.45%1.8MAdded
7ESPOVANECK ETF TRUST$1.01B1.42%3.0MAdded
8MSFTMICROSOFT CORP$892.0M1.25%2.4MAdded
9SNDK1SANDISK CORP$847.0M1.19%372,500Added
10INTCINTEL CORP$697.3M0.98%5.0MTrimmed
11AAPLAPPLE INC$680.4M0.96%2.4MAdded
12TSLATESLA INC$673.8M0.95%1.6MAdded
13UNHUNITEDHEALTH GROUP INC$670.7M0.94%1.6MTrimmed
14NVDANVIDIA CORPORATION$631.7M0.89%3.2MAdded
15ESPOVANECK ETF TRUST$608.1M0.86%4.0MAdded
16LLYELI LILLY & CO$565.9M0.80%471,800Added
17AMDADVANCED MICRO DEVICES INC$531.3M0.75%914,600Added
18TSMTAIWAN SEMICONDUCTOR MANUFAC$535.5M0.75%1.1MAdded
19AMDADVANCED MICRO DEVICES INC$491.3M0.69%845,700Added
20GOOGLALPHABET INC$460.7M0.65%1.3MAdded
21GLDSPDR GOLD TR$442.8M0.62%1.2MTrimmed
22NBISNEBIUS GROUP N.V.$425.1M0.60%1.5MTrimmed
23GHYGISHARES INC$400.0M0.56%2.0MAdded
24GHYGISHARES INC$385.8M0.54%1.9MAdded
25UNHUNITEDHEALTH GROUP INC$359.8M0.51%865,600Trimmed

Source: SEC Form 13F filings · as of 2026-06-30