SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 157 filers reported holding SPARK THERAPEUTICS INC in Q4 2018. The put-call ratio across all filers is 3.09 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $2,600,000 | -52.3% | 66,423 | -33.6% | 0.01% | -40.0% |
| Q3 2018 | $5,454,000 | -94.5% | 99,984 | -91.6% | 0.02% | -94.8% |
| Q2 2018 | $98,939,000 | +390.6% | 1,195,494 | +294.7% | 0.29% | +381.7% |
| Q1 2018 | $20,166,000 | +32.1% | 302,849 | +2.0% | 0.06% | +39.5% |
| Q4 2017 | $15,266,000 | -83.9% | 296,892 | -72.1% | 0.04% | -84.5% |
| Q3 2017 | $94,826,000 | +246.0% | 1,063,551 | +131.8% | 0.28% | +242.0% |
| Q2 2017 | $27,408,000 | +4.0% | 458,786 | -7.1% | 0.08% | +2.5% |
| Q1 2017 | $26,351,000 | -6.5% | 494,008 | -12.5% | 0.08% | -8.1% |
| Q4 2016 | $28,181,000 | -56.7% | 564,746 | -47.9% | 0.09% | -56.6% |
| Q3 2016 | $65,076,000 | +9.2% | 1,083,517 | -7.0% | 0.20% | +5.9% |
| Q2 2016 | $59,577,000 | +390.2% | 1,165,207 | +182.9% | 0.19% | +392.1% |
| Q1 2016 | $12,153,000 | -58.8% | 411,830 | -36.8% | 0.04% | -57.3% |
| Q4 2015 | $29,520,000 | +12.5% | 651,495 | +3.6% | 0.09% | +12.7% |
| Q3 2015 | $26,239,000 | -30.0% | 628,771 | +1.1% | 0.08% | -20.2% |
| Q2 2015 | $37,495,000 | -9.6% | 622,120 | +16.3% | 0.10% | -5.7% |
| Q1 2015 | $41,457,000 | – | 534,921 | – | 0.10% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sofinnova Management VIII, L.L.C. | 904,986 | $45,159,000 | 25.41% |
| Casdin Capital, LLC | 128,500 | $6,412,000 | 5.30% |
| Rock Springs Capital Management LP | 625,000 | $31,188,000 | 2.09% |
| Bain Capital Public Equity Management, LLC | 656,226 | $32,746,000 | 1.14% |
| Ghost Tree Capital, LLC | 80,000 | $3,992,000 | 0.96% |
| Baker Brothers Advisors | 1,318,341 | $65,785,000 | 0.64% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 283,000 | $14,122,000 | 0.58% |
| Eventide Asset Management | 150,000 | $7,485,000 | 0.49% |
| Endurant Capital Management LP | 14,800 | $739,000 | 0.30% |
| HIGHLAND CAPITAL MANAGEMENT LP | 112,000 | $5,589,000 | 0.26% |