SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 166 filers reported holding SPARK THERAPEUTICS INC in Q1 2018. The put-call ratio across all filers is 1.09 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2018 | $570,000 | +25.0% | 10,445 | +17.8% | 0.01% | +16.7% |
Q4 2017 | $456,000 | -42.5% | 8,864 | -0.4% | 0.01% | -40.0% |
Q3 2017 | $793,000 | -31.0% | 8,899 | -60.4% | 0.02% | -16.7% |
Q2 2016 | $1,150,000 | -40.3% | 22,500 | -47.1% | 0.02% | -55.6% |
Q4 2015 | $1,927,000 | +771.9% | 42,530 | +1389.7% | 0.05% | +671.4% |
Q1 2015 | $221,000 | – | 2,855 | – | 0.01% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Casdin Capital, LLC | 93,500 | $5,616,000 | 4.55% |
Rock Springs Capital Management LP | 625,000 | $37,538,000 | 2.35% |
Bain Capital Public Equity Management, LLC | 367,314 | $22,061,000 | 1.43% |
EcoR1 Capital, LLC | 68,600 | $4,120,000 | 1.26% |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 368,000 | $22,102,000 | 1.03% |
Baker Brothers Advisors | 1,318,341 | $79,180,000 | 0.72% |
Eventide Asset Management | 150,000 | $9,009,000 | 0.55% |
FEDERATED HERMES, INC. | 1,633,900 | $98,132,000 | 0.28% |
Iguana Healthcare Management, LLC | 25,000 | $1,502,000 | 0.27% |
BAILARD, INC. | 40,600 | $2,442,000 | 0.22% |