Spero Therapeutics shares owned by Jane Street
Quarter-by-quarter ownership of Spero Therapeutics (SPRO) shares owned by Jane Street
from 13F filings
Historical chart of Jane Street investment in Spero Therapeutics
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Quarterly reported holdings in Spero Therapeutics by Jane Street
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $81k | 43k | 1.88 |
| 2024-12-31 | $55k | 53k | 1.03 |
| 2022-09-30 | $31k | 16k | 2.00 |
| 2022-03-31 | $136k | 16k | 8.71 |
| 2021-03-31 | $169k | 12k | 14.70 |