Spero Therapeutics shares owned by BlackRock
Quarter-by-quarter ownership of Spero Therapeutics (SPRO) shares owned by BlackRock
from 13F filings
Historical chart of BlackRock investment in Spero Therapeutics
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Quarterly reported holdings in Spero Therapeutics by BlackRock
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $817k | 435k | 1.88 |
| 2025-06-30 | $1.3M | 435k | 2.90 |
| 2025-03-31 | $347k | 482k | 0.72 |
| 2024-12-31 | $500k | 485k | 1.03 |
| 2024-09-30 | $650k | 485k | 1.34 |