Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
SIMPLEX TRADING, LLC (CIK 1488542) reported $149.08B across 2,484 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: SPY ($27.41B, 18.39%), SPY ($14.08B, 9.44%), QQQ ($6.49B, 4.36%), QQQ ($5.99B, 4.02%), ILCG ($5.11B, 3.43%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | SPY | STATE STR SPDR S&P 500 ETF T | $27.41B | 18.39% | 42.1M | Added |
| 2 | SPY | STATE STR SPDR S&P 500 ETF T | $14.08B | 9.44% | 21.7M | Added |
| 3 | QQQ | INVESCO QQQ TR | $6.49B | 4.36% | 11.3M | Trimmed |
| 4 | QQQ | INVESCO QQQ TR | $5.99B | 4.02% | 10.4M | Added |
| 5 | ILCG | ISHARES TR | $5.11B | 3.43% | 34.2M | Added |
| 6 | ILCG | ISHARES TR | $3.87B | 2.60% | 33.4M | Added |
| 7 | TSLA | TESLA INC | $3.42B | 2.29% | 9.2M | Trimmed |
| 8 | NVDA | NVIDIA CORPORATION | $3.35B | 2.25% | 19.2M | Trimmed |
| 9 | NVDA | NVIDIA CORPORATION | $3.33B | 2.23% | 19.1M | Trimmed |
| 10 | TSLA | TESLA INC | $3.09B | 2.07% | 8.3M | Trimmed |
| 11 | GLD | SPDR GOLD TR | $2.36B | 1.58% | 5.5M | Trimmed |
| 12 | META | META PLATFORMS INC | $2.35B | 1.58% | 4.1M | Trimmed |
| 13 | AAPL | APPLE INC | $2.22B | 1.49% | 8.8M | Trimmed |
| 14 | GOOGL | ALPHABET INC | $2.07B | 1.39% | 7.2M | Trimmed |
| 15 | GLD | SPDR GOLD TR | $1.65B | 1.11% | 3.8M | Trimmed |
| 16 | MSFT | MICROSOFT CORP | $1.55B | 1.04% | 4.2M | Added |
| 17 | AAPL | APPLE INC | $1.53B | 1.03% | 6.0M | Trimmed |
| 18 | AMZN | AMAZON COM INC | $1.46B | 0.98% | 7.0M | Added |
| 19 | GOOGL | ALPHABET INC | $1.45B | 0.97% | 5.1M | Trimmed |
| 20 | META | META PLATFORMS INC | $1.43B | 0.96% | 2.5M | Added |
| 21 | SLV | ISHARES SILVER TR | $1.36B | 0.91% | 20.0M | Added |
| 22 | XLRE | SELECT SECTOR SPDR TR | $1.02B | 0.69% | 15.4M | Trimmed |
| 23 | AMZN | AMAZON COM INC | $914.0M | 0.61% | 4.4M | Added |
| 24 | MSFT | MICROSOFT CORP | $875.9M | 0.59% | 2.4M | Added |
| 25 | ESPO | VANECK ETF TRUST | $820.0M | 0.55% | 3.3M | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31