13F filer
Simplex Trading
13F Value
$170.57B
Positions
9,154
Top Position
SPY · PUT14.6%
Top 5
39.8%
Latest filing changes
vs Mar 31, 2026Holdings9,154
| # | Trend (4Q) | |||||||
|---|---|---|---|---|---|---|---|---|
| 1 | SPY · PUT | 14.6% | $24.95B | -20.7% | 33.41M | 18.4% | Put | |
| 2 | SPY · CALL | 9.9% | $16.97B | +5.0% | 22.73M | 9.4% | Call | |
| 3 | QQQ · PUT | 5.9% | $10.14B | +22.3% | 13.77M | 4.4% | Put | |
| 4 | QQQ · CALL | 4.7% | $8.03B | +5.1% | 10.90M | 4.0% | Call | |
| 5 | ISHARES TR · PUT | 4.5% | $7.76B | +15.0% | 39.37M | 3.4% | Put | |
| 6 | MU · PUT | 2.1% | $3.63B | +48.4% | 3.14M | 0.5% | Put | |
| 7 | NVDA · CALL | 2.1% | $3.51B | -8.2% | 17.52M | 2.2% | Call | |
| 8 | ISHARES TR · CALL | 2.0% | $3.34B | -19.5% | 26.91M | 2.6% | Call | |
| 9 | NVDA · PUT | 1.9% | $3.28B | -14.7% | 16.39M | 2.2% | Put | |
| 10 | TSLA · CALL | 1.7% | $2.94B | -23.9% | 7.00M | 2.3% | Call | |
| 11 | TSLA · PUT | 1.4% | $2.44B | -30.2% | 5.80M | 2.1% | Put | |
| 12 | GOOGL · CALL | 1.4% | $2.37B | -7.5% | 6.66M | 1.4% | Call | |
| 13 | AAPL · CALL | 1.4% | $2.36B | -6.7% | 8.17M | 1.5% | Call | |
| 14 | MU · CALL | 1.3% | $2.20B | -6.0% | 1.91M | 0.5% | Call | |
| 15 | META · CALL | 1.2% | $2.04B | -11.9% | 3.62M | 1.6% | Call | |
| 16 | SNDK · PUT | 1.2% | $1.97B | — | 864.5K | 0.1% | — | Put |
| 17 | AMD · PUT | 1.1% | $1.96B | -3.0% | 3.37M | 0.5% | Put | |
| 18 | GOOGL · PUT | 1.1% | $1.93B | +7.4% | 5.43M | 1.0% | Put | |
| 19 | MSFT · CALL | 1.0% | $1.74B | +11.4% | 4.66M | 1.0% | Call | |
| 20 | AAPL · PUT | 1.0% | $1.72B | -1.1% | 5.95M | 1.0% | Put |
Change compares with the prior filing. Prior % is the share of the portfolio in that filing. Trend shows the quantity held in each of the last four filings: green rose, red fell, grey unchanged.
Exited in Latest Filing1,534
Compared with the immediately prior published filing (Mar 31, 2026). Prior values are shown for context and are not included in current totals.