Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
AMAM holding history
Ambrx Biopharma, Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMAM overviewAll 13F holders of AMAMFull Q2 2026 holdings
- Shares (Q1 2024)
- 0
- Sold out in Q1 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 5
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2024 | 0 | $0 | 0.0% | −7,657−100.0% | Sold out | Holders |
| Q4 2023 | 7,657 | $109.0K | <0.1% | −60,894−88.8% | Reduced | Holders |
| Q3 2023 | 68,551 | $788.0K | <0.1% | +61,917+933.3% | Added | Holders |
| Q2 2023 | 6,634 | $109.0K | <0.1% | −113,570−94.5% | Reduced | Holders |
| Q1 2023 | 120,204 | $1.07M | <0.1% | +109,159+988.3% | Added | Holders |
| Q4 2022 | 11,045 | $25.0K | <0.1% | +11,045 | New | Holders |