SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 170 filers reported holding SPARK THERAPEUTICS INC in Q3 2017. The put-call ratio across all filers is 1.40 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $3,326,000 | -9.4% | 34,298 | -4.3% | 0.03% | -10.0% |
| Q2 2019 | $3,670,000 | -1.9% | 35,843 | +9.1% | 0.03% | 0.0% |
| Q1 2019 | $3,742,000 | +117.6% | 32,860 | -25.2% | 0.03% | +100.0% |
| Q4 2018 | $1,720,000 | -35.7% | 43,946 | -10.4% | 0.02% | -11.8% |
| Q3 2018 | $2,677,000 | -22.9% | 49,069 | +17.0% | 0.02% | -26.1% |
| Q2 2018 | $3,473,000 | +12.0% | 41,956 | -9.9% | 0.02% | +187.5% |
| Q1 2018 | $3,102,000 | -6.0% | 46,583 | -27.5% | 0.01% | 0.0% |
| Q4 2017 | $3,301,000 | -28.0% | 64,219 | +24.9% | 0.01% | -27.3% |
| Q3 2017 | $4,583,000 | +59.0% | 51,396 | +6.5% | 0.01% | +37.5% |
| Q2 2017 | $2,882,000 | +15.8% | 48,237 | +3.4% | 0.01% | +14.3% |
| Q1 2017 | $2,489,000 | +3.1% | 46,656 | -3.5% | 0.01% | 0.0% |
| Q4 2016 | $2,413,000 | – | 48,360 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sofinnova Management VIII, L.L.C. | 699,430 | $37,308,000 | 19.68% |
| Casdin Capital, LLC | 135,000 | $7,201,000 | 4.25% |
| Ghost Tree Capital, LLC | 200,000 | $10,668,000 | 1.99% |
| Rock Springs Capital Management LP | 625,000 | $33,338,000 | 1.92% |
| Bain Capital Public Equity Management, LLC | 228,517 | $12,190,000 | 0.86% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 283,000 | $15,095,000 | 0.58% |
| Baker Brothers Advisors | 1,318,341 | $70,320,000 | 0.58% |
| Eventide Asset Management | 150,000 | $8,001,000 | 0.53% |
| FOX RUN MANAGEMENT, L.L.C. | 17,700 | $944,000 | 0.38% |
| FEDERATED HERMES, INC. | 1,363,200 | $72,713,000 | 0.21% |