SPERO THERAPEUTICS INC's ticker is SPRO and the CUSIP is 84833T103.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $662 | -23.0% | 547,165 | -7.8% | 0.00% | 0.0% |
| Q2 2023 | $860 | +44.5% | 593,431 | +44.6% | 0.00% | 0.0% |
| Q1 2023 | $595 | +0.3% | 410,300 | +19.7% | 0.00% | 0.0% |
| Q4 2022 | $593 | -99.9% | 342,900 | +59.7% | 0.00% | 0.0% |
| Q3 2022 | $429,000 | -38.4% | 214,700 | -77.1% | 0.00% | 0.0% |
| Q2 2022 | $696,000 | -26.7% | 939,017 | +760.7% | 0.00% | 0.0% |
| Q1 2022 | $949,000 | -44.5% | 109,100 | -28.8% | 0.00% | -50.0% |
| Q3 2020 | $1,710,000 | -61.7% | 153,203 | -53.6% | 0.00% | -50.0% |
| Q2 2020 | $4,464,000 | +70.4% | 329,903 | +1.7% | 0.00% | +33.3% |
| Q1 2020 | $2,620,000 | -19.4% | 324,303 | -4.1% | 0.00% | +50.0% |
| Q4 2019 | $3,252,000 | +21.3% | 338,203 | +33.8% | 0.00% | 0.0% |
| Q3 2019 | $2,680,000 | +8.3% | 252,803 | +17.6% | 0.00% | 0.0% |
| Q2 2019 | $2,474,000 | +70.5% | 214,903 | +89.7% | 0.00% | +100.0% |
| Q1 2019 | $1,451,000 | +449.6% | 113,303 | +164.1% | 0.00% | – |
| Q4 2018 | $264,000 | +109.5% | 42,903 | +257.5% | 0.00% | – |
| Q3 2018 | $126,000 | – | 12,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 1,376,968 | $15,849,000 | 16.95% |
| Aquilo Capital Management, LLC | 1,154,356 | $13,287,000 | 4.61% |
| VHCP Management II, LLC | 474,015 | $5,456,000 | 1.72% |
| AWM Investment Company, Inc. | 598,315 | $6,887,000 | 1.32% |
| BVF INC/IL | 939,704 | $10,816,000 | 1.18% |
| Novo Holdings A/S | 465,983 | $5,363,000 | 0.75% |
| DAFNA Capital Management LLC | 70,000 | $806,000 | 0.30% |
| Artal Group S.A. | 540,000 | $6,215,000 | 0.25% |
| Alphabet Inc. | 1,112,473 | $12,805,000 | 0.24% |
| Rock Springs Capital Management LP | 525,000 | $6,043,000 | 0.22% |