SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $14,221 | -16.6% | 11,753 | 0.0% | 0.00% | – |
| Q2 2023 | $17,042 | 0.0% | 11,753 | 0.0% | 0.00% | – |
| Q1 2023 | $17,042 | +85110.0% | 11,753 | 0.0% | 0.00% | – |
| Q4 2022 | $20 | -99.9% | 11,753 | +17.5% | 0.00% | – |
| Q3 2022 | $20,000 | -90.6% | 10,003 | -96.5% | 0.00% | – |
| Q2 2022 | $212,000 | -94.0% | 284,956 | -30.0% | 0.00% | -100.0% |
| Q1 2022 | $3,540,000 | -40.4% | 406,946 | +9.6% | 0.00% | -50.0% |
| Q4 2021 | $5,943,000 | -2.1% | 371,222 | +12.6% | 0.00% | 0.0% |
| Q3 2021 | $6,068,000 | +16.1% | 329,633 | -12.0% | 0.00% | 0.0% |
| Q2 2021 | $5,227,000 | +3.7% | 374,443 | +9.3% | 0.00% | 0.0% |
| Q1 2021 | $5,041,000 | +3.9% | 342,506 | +36.9% | 0.00% | 0.0% |
| Q4 2020 | $4,852,000 | +88.3% | 250,197 | +8.3% | 0.00% | +100.0% |
| Q3 2020 | $2,577,000 | -11.0% | 231,009 | +7.9% | 0.00% | 0.0% |
| Q2 2020 | $2,897,000 | +80.3% | 214,155 | +7.7% | 0.00% | 0.0% |
| Q1 2020 | $1,607,000 | +7.5% | 198,861 | +27.9% | 0.00% | 0.0% |
| Q4 2019 | $1,495,000 | +14.6% | 155,480 | +26.4% | 0.00% | 0.0% |
| Q3 2019 | $1,304,000 | +6.5% | 123,005 | +15.6% | 0.00% | – |
| Q2 2019 | $1,224,000 | +434.5% | 106,403 | +495.5% | 0.00% | – |
| Q1 2019 | $229,000 | – | 17,869 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $14,596,000 | 24.02% |
| Aquilo Capital Management, LLC | 1,154,356 | $12,236,000 | 8.62% |
| VHCP Management II, LLC | 474,015 | $5,025,000 | 1.92% |
| AWM Investment Company, Inc. | 598,315 | $6,342,000 | 1.35% |
| BVF INC/IL | 939,704 | $9,961,000 | 1.05% |
| Novo Holdings A/S | 465,983 | $4,939,000 | 0.85% |
| Alphabet Inc. | 1,112,473 | $11,792,000 | 0.35% |
| Artal Group S.A. | 540,000 | $5,724,000 | 0.23% |
| Rock Springs Capital Management LP | 525,000 | $5,565,000 | 0.22% |
| DAFNA Capital Management LLC | 39,395 | $418,000 | 0.16% |