Ownership history in SIMPLEX TRADING, LLC · 15 quarters on record
This page tracks every 13F SEC filing in which SIMPLEX TRADING, LLC reported a position in PROSHARES TR (REK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 509 | +292 | +134.6% | 0.00% | $9K | $17.21 |
| 2025 Q3 | UNCHANGED | 217 | — | 0% | 0.00% | $3K | $16.41 |
| 2025 Q2 | REDUCED | 217 | -853 | -79.7% | 0.00% | $3K | $16.58 |
| 2025 Q1 | REDUCED | 1,070 | -39 | -3.5% | 0.00% | $18K | $16.47 |
| 2024 Q3 | REDUCED | 1,109 | -164 | -12.9% | 0.00% | $17K | $15.29 |
| 2024 Q2 | REDUCED | 1,273 | -26 | -2.0% | 0.00% | $24K | $17.63 |
| 2024 Q1 | REDUCED | 1,299 | -310 | -19.3% | 0.00% | $23K | $16.96 |
| 2023 Q2 | REDUCED | 1,609 | -3,950 | -71.1% | 0.00% | $31K | $17.48 |
| 2023 Q1 | REDUCED | 5,559 | -9,504 | -63.1% | 0.00% | $111K | $17.57 |
| 2022 Q4 | ADDED | 15,063 | +10,406 | +223.4% | 0.00% | $306K | $17.75 |
As of 2025 Q4 — sorted by position size