Ownership history in SIMPLEX TRADING, LLC · 21 quarters on record
This page tracks every 13F SEC filing in which SIMPLEX TRADING, LLC reported a position in ADAPTIMMUNE THERAPEUTICS PLC (ADAP). 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 | 18,610 | +6,186 | +49.8% | 0.00% | $483 | — |
| 2025 Q3 | ADDED | 12,424 | +3,016 | +32.1% | 0.00% | $1K | — |
| 2023 Q2 | REDUCED | 9,408 | -3,681 | -28.1% | 0.00% | $8K | — |
| 2023 Q1 | ADDED | 13,089 | +7,985 | +156.4% | 0.00% | $14K | — |
As of 2025 Q4 — sorted by position size