Spero Therapeutics shares owned by Vanguard Group
Quarter-by-quarter ownership of Spero Therapeutics (SPRO) shares owned by Vanguard Group
from 13F filings
Historical chart of Vanguard Group investment in Spero Therapeutics
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Quarterly reported holdings in Spero Therapeutics by Vanguard Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $2.4M | 1.6M | 1.47 |
| 2023-09-30 | $1.9M | 1.6M | 1.21 |
| 2023-06-30 | $2.2M | 1.5M | 1.45 |
| 2023-03-31 | $2.1M | 1.4M | 1.45 |
| 2022-12-31 | $1.8M | 1.1M | 1.73 |
| 2022-06-30 | $924k | 1.2M | 0.74 |
| 2022-03-31 | $12M | 1.4M | 8.70 |
| 2021-09-30 | $24M | 1.3M | 18.41 |
| 2021-06-30 | $18M | 1.3M | 13.96 |
| 2021-03-31 | $16M | 1.1M | 14.73 |
| 2020-12-31 | $22M | 1.1M | 19.39 |
| 2020-09-30 | $10M | 929k | 11.16 |
| 2020-06-30 | $9.9M | 735k | 13.53 |
| 2020-03-31 | $5.1M | 629k | 8.08 |
| 2019-12-31 | $4.8M | 496k | 9.62 |
| 2019-09-30 | $5.3M | 497k | 10.62 |
| 2019-03-31 | $5.3M | 418k | 12.75 |
| 2018-12-31 | $1.0M | 163k | 6.19 |
| 2018-09-30 | $4.8M | 455k | 10.52 |
| 2018-06-30 | $1.8M | 125k | 14.61 |
| 2018-03-31 | $1.6M | 111k | 14.24 |
| 2017-12-31 | $535k | 46k | 11.75 |