Simplex Trading, Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$149.08B
Q ending 2026-03-31
Prior quarter
$177.42B
Q ending 2025-12-31
Change
-16.0% QoQ · +95345.2% YoY
Positions
8,927
reported holdings
Largest positions
Top 100 of 8,927 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| State Str Spdr S&P 500 Etf T | Put | $27.41B | 42.1M | |
| State Str Spdr S&P 500 Etf T | Call | $14.08B | 21.7M | |
| Invesco Qqq Tr | Put | $6.49B | 11.3M | |
| Invesco Qqq Tr | Call | $5.99B | 10.4M | |
| Ishares Tr | Put | $5.11B | 34.2M | |
| Ishares Tr | Call | $3.87B | 33.4M | |
| Tesla Inc | Call | $3.42B | 9.2M | |
| Nvidia Corporation | Put | $3.35B | 19.2M | |
| Nvidia Corporation | Call | $3.33B | 19.1M | |
| Tesla Inc | Put | $3.09B | 8.3M | |
| Spdr Gold Tr | Call | $2.36B | 5.5M | |
| Meta Platforms Inc | Call | $2.35B | 4.1M | |
| Apple Inc | Call | $2.22B | 8.8M | |
| Alphabet Inc | Call | $2.07B | 7.2M | |
| Spdr Gold Tr | Put | $1.65B | 3.8M | |
| Microsoft Corp | Call | $1.55B | 4.2M | |
| Apple Inc | Put | $1.53B | 6.0M | |
| Amazon Com Inc | Call | $1.46B | 7.0M | |
| Alphabet Inc | Put | $1.45B | 5.1M | |
| Meta Platforms Inc | Put | $1.43B | 2.5M | |
| Ishares Silver Tr | Call | $1.36B | 20.0M | |
| Select Sector Spdr Tr | Put | $1.02B | 15.4M | |
| Amazon Com Inc | Put | $914.0M | 4.4M | |
| Microsoft Corp | Put | $875.9M | 2.4M | |
| Vaneck Etf Trust | Put | $820.0M | 3.3M | |
| Select Sector Spdr Tr | Call | $773.4M | 13.0M | |
| Netflix Inc. | Put | $727.7M | 7.6M | |
| Ishares Silver Tr | Put | $717.9M | 10.5M | |
| Micron Technology Inc | Put | $715.2M | 2.1M | |
| Netflix Inc. | Call | $712.8M | 7.4M | |
| Palantir Technologies Inc | Put | $709.6M | 4.9M | |
| Advanced Micro Devices Inc | Put | $708.1M | 3.5M | |
| Micron Technology Inc | Call | $685.1M | 2.0M | |
| State Str Spdr Dow Jones Ind | Call | $680.0M | 1.5M | |
| Broadcom Inc | Put | $649.1M | 2.1M | |
| Advanced Micro Devices Inc | Call | $599.6M | 2.9M | |
| Palantir Technologies Inc | Call | $583.0M | 4.0M | |
| Broadcom Inc | Call | $519.8M | 1.7M | |
| Unitedhealth Group Inc | Call | $519.3M | 1.9M | |
| Strategy Inc | Put | $517.5M | 4.2M | |
| Ishares Tr | Put | $509.2M | 6.3M | |
| Ishares Bitcoin Trust Etf | Call | $505.6M | 13.2M | |
| Taiwan Semiconductor Manufac | Put | $498.5M | 1.5M | |
| United Sts Oil Fd Lp | Put | $417.3M | 3.3M | |
| Vaneck Etf Trust | Call | $401.3M | 2.7M | |
| Oracle Corp | Put | $383.2M | 2.6M | |
| Ishares Bitcoin Trust Etf | Put | $381.5M | 9.9M | |
| Oracle Corp | Call | $352.0M | 2.4M | |
| Ishares Inc | Call | $340.8M | 6.6M | |
| Alibaba Group Hldg Ltd | Put | $333.4M | 2.7M | |
| Unitedhealth Group Inc | Put | $314.0M | 1.2M | |
| Intel Corp | Call | $304.4M | 6.9M | |
| Alibaba Group Hldg Ltd | Call | $303.5M | 2.4M | |
| Kraneshares Trust | Call | $275.8M | 9.7M | |
| Exxon Mobil Corp | Call | $269.3M | 1.6M | |
| Ishares Inc | Put | $266.5M | 3.7M | |
| Spdr Series Trust | Put | $265.4M | 3.2M | |
| Nvidia Corporation | NVDA | Shares | $263.2M | 1.5M |
| United Sts Oil Fd Lp | Call | $257.2M | 2.0M | |
| Taiwan Semiconductor Manufac | Call | $255.2M | 755K | |
| Asml Hldg Nv | Put | $238.0M | 180K | |
| Goldman Sachs Group Inc | Call | $229.3M | 271K | |
| Exxon Mobil Corp | Put | $221.5M | 1.3M | |
| Jpmorgan Chase & Co | Put | $221.3M | 752K | |
| Goldman Sachs Group Inc | Put | $201.0M | 238K | |
| Coreweave Inc | Call | $196.4M | 2.5M | |
| Citigroup Inc | Put | $193.0M | 1.7M | |
| Spdr Series Trust | Call | $183.3M | 1.9M | |
| Intel Corp | Put | $182.4M | 4.1M | |
| Sandisk Corp | Put | $181.8M | 286K | |
| Citigroup Inc | Call | $181.4M | 1.6M | |
| Berkshire Hathaway Inc Del | Call | $180.7M | 377K | |
| Strategy Inc | Call | $176.4M | 1.4M | |
| Coreweave Inc | Put | $175.2M | 2.3M | |
| Coinbase Global Inc | Put | $174.0M | 997K | |
| Sandisk Corp | Call | $166.8M | 263K | |
| Walmart Inc | Call | $164.7M | 1.3M | |
| Carvana Co | Call | $161.0M | 512K | |
| Amazon Com Inc | AMZN | Shares | $159.3M | 765K |
| State Str Spdr Dow Jones Ind | Put | $157.3M | 340K | |
| Chevron Corporation | Call | $154.3M | 746K | |
| Crowdstrike Hldgs Inc | Call | $153.3M | 393K | |
| Asml Hldg Nv | Call | $146.9M | 111K | |
| Costco Wholesale Corporation | Call | $140.3M | 141K | |
| Bank America Corp | Call | $136.6M | 2.8M | |
| Boeing Co | Call | $136.6M | 686K | |
| Boeing Co | Put | $136.5M | 686K | |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $131.9M | 203K |
| Meta Platforms Inc | META | Shares | $131.5M | 230K |
| Salesforce Inc | Call | $126.8M | 679K | |
| Sofi Technologies Inc | Call | $126.6M | 8.0M | |
| Carvana Co | Put | $126.4M | 402K | |
| Direxion Shares Etf Trust | Put | $125.7M | 2.5M | |
| Paypal Hldgs Inc | Call | $123.7M | 2.7M | |
| Walmart Inc | Put | $123.6M | 995K | |
| Applovin Corp | Put | $122.5M | 308K | |
| Taiwan Semiconductor Manufac | TSM | Shares | $118.9M | 352K |
| Arm Holdings Plc | Put | $117.9M | 779K | |
| Robinhood Mkts Inc | Call | $114.7M | 1.7M | |
| Proshares Tr | Call | $113.3M | 2.5M |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.