SEC Form 13F
Simplex Trading, LLC 13F holdings
Quarter ended Sep 30, 2026, filed with the SEC on Nov 4, 2026. Largest holding: NVDA at 7.7%.
- Reported value
- $3.16B
- Holdings
- 2,515
- 10,469 rows in the filing
- Top 10 holdings
- 36.6%
- of the reported 13F total
- Changes since Jun 30, 2026
- 929 new, 831 added to, 939 trimmed, 957 exited
Biggest moves this quarter
Change in shares held compared with the filing for the quarter ended Jun 30, 2026.
Biggest buys
- TLT ISHARES TR+60.4%Weight 7.34%
- AMZN AMAZON COM INC+25.6%Weight 4.01%
- ORCL ORACLE CORP+3.3%Weight 2.55%
- HYG ISHARES TRNewWeight 2.49%
- DRAM ROUNDHILL ETF TRUST+35.4%Weight 1.62%
Biggest sells
- NVDA NVIDIA CORPORATION-30.0%Weight 7.69%
- IWM ISHARES TR-8.2%Weight 4.33%
- SOXX ISHARES TR-1.1%Weight 2.88%
- AAPL APPLE INC-25.7%Weight 2.03%
- MSFT MICROSOFT CORP-48.8%Weight 1.64%
Top holdings
The 30 largest of 2,515 positions by weight. Option rows are not included.
| # | Company | Weight | Change vs prior quarter |
|---|---|---|---|
| 1 | NVDA NVIDIA CORPORATION | 7.69% | -30.0% |
| 2 | TLT ISHARES TR | 7.34% | +60.4% |
| 3 | IWM ISHARES TR | 4.33% | -8.2% |
| 4 | AMZN AMAZON COM INC | 4.01% | +25.6% |
| 5 | SOXX ISHARES TR | 2.88% | -1.1% |
| 6 | ORCL ORACLE CORP | 2.55% | +3.3% |
| 7 | HYG ISHARES TR | 2.49% | New |
| 8 | AAPL APPLE INC | 2.03% | -25.7% |
| 9 | MSFT MICROSOFT CORP | 1.64% | -48.8% |
| 10 | DRAM ROUNDHILL ETF TRUST | 1.62% | +35.4% |
| 11 | GLD SPDR GOLD TR | 1.56% | +69.2% |
| 12 |  ASML ASML HLDG NV | 1.19% | +27.0% |
| 13 |  FCX FREEPORT MCMORAN INC | 1.03% | -26.2% |
| 14 |  SOXL DIREXION SHARES ETF TRUST | 0.93% | +43.6% |
| 15 |  CI THE CIGNA GROUP | 0.81% | +182.5% |
| 16 |  XLI SELECT SECTOR SPDR TR | 0.76% | New |
| 17 |  C CITIGROUP INC | 0.65% | +464.1% |
| 18 |  XLK SELECT SECTOR SPDR TR | 0.64% | +216.4% |
| 19 |  GEV GE VERNOVA INC | 0.63% | +2.6% |
| 20 |  TSM TAIWAN SEMICONDUCTOR MANUFAC | 0.60% | -71.6% |
| 21 |  EWZ ISHARES INC | 0.60% | New |
| 22 |  ASTS AST SPACEMOBILE INC | 0.55% | +173.5% |
| 23 |  USO UNITED STS OIL FD LP | 0.55% | -75.9% |
| 24 |  MRVL MARVELL TECHNOLOGY INC | 0.53% | -32.8% |
| 25 |  NOK NOKIA CORP | 0.53% | +52.0% |
| 26 |  WMT WALMART INC | 0.52% | +648.2% |
| 27 |  QQQ INVESCO QQQ TR | 0.50% | +70.9% |
| 28 |  CHTR CHARTER COMMUNICATIONS INC | 0.50% | +36.4% |
| 29 | FBTC FIDELITY WISE ORIGIN BITCOIN | 0.49% | +71.4% |
| 30 |  GOOG ALPHABET INC | 0.47% | -70.3% |
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Positions as reported in the SEC Form 13F-HR filing, valued at quarter-end prices. Weights are each position's share of the reported 13F total, not of the manager's total assets, and say nothing about returns.
A 13F shows US-listed long positions on the last day of the quarter and is filed up to 45 days later. Short positions, cash, bonds and most non-US holdings are not included, and positions may have changed since.
Source: SEC Form 13F-HR, accession 0001488542-26-000013.
Information only. Not investment advice or a recommendation to buy or sell any security.