Spero Therapeutics shares owned by Simplex Trading
Quarter-by-quarter ownership of Spero Therapeutics (SPRO) shares owned by Simplex Trading
from 13F filings
Historical chart of Simplex Trading investment in Spero Therapeutics
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Quarterly reported holdings in Spero Therapeutics by Simplex Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $14k | 7.6k | 1.84 |
| 2025-06-30 | $87k | 30k | 2.87 |
| 2025-03-31 | $3.0k | 5.1k | 0.59 |
| 2024-12-31 | $5.0k | 5.1k | 0.98 |
| 2024-09-30 | $1.0k | 921 | 1.09 |
| 2023-06-30 | $3.0k | 2.3k | 1.32 |
| 2022-12-31 | $15k | 9.2k | 1.63 |
| 2022-09-30 | $2.0k | 1.0k | 2.00 |
| 2022-06-30 | $6.0k | 9.3k | 0.65 |
| 2022-03-31 | $55k | 6.3k | 8.67 |
| 2021-06-30 | $7.0k | 507 | 13.81 |
| 2020-12-31 | $11 | 606 | 0.02 |
| 2020-06-30 | $2 | 200 | 0.01 |