SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 207 filers reported holding SPARK THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 5.87 and the average weighting 1.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $14,845,000 | -90.9% | 145,000 | -89.8% | 0.04% | -91.0% |
| Q1 2019 | $162,473,000 | +191.0% | 1,426,700 | 0.0% | 0.40% | +164.5% |
| Q4 2018 | $55,841,000 | -18.8% | 1,426,700 | +13.1% | 0.15% | -5.0% |
| Q3 2018 | $68,809,000 | -45.4% | 1,261,400 | -17.2% | 0.16% | -56.8% |
| Q2 2018 | $126,135,000 | +26.5% | 1,524,102 | +1.8% | 0.37% | +27.6% |
| Q1 2018 | $99,738,000 | +4.8% | 1,497,788 | -19.1% | 0.29% | +7.8% |
| Q4 2017 | $95,199,000 | -32.8% | 1,851,400 | +16.6% | 0.27% | -33.7% |
| Q3 2017 | $141,616,000 | +73.8% | 1,588,337 | +16.5% | 0.41% | +73.5% |
| Q2 2017 | $81,464,000 | +12.0% | 1,363,638 | +0.0% | 0.23% | +13.0% |
| Q1 2017 | $72,713,000 | +6.3% | 1,363,200 | -0.6% | 0.21% | +1.0% |
| Q4 2016 | $68,423,000 | -30.3% | 1,371,200 | -16.1% | 0.20% | -27.3% |
| Q3 2016 | $98,132,000 | +16.5% | 1,633,900 | -0.8% | 0.28% | +14.6% |
| Q2 2016 | $84,242,000 | +149.5% | 1,647,600 | +44.0% | 0.25% | +134.3% |
| Q1 2016 | $33,759,000 | -21.0% | 1,143,994 | +21.3% | 0.10% | -22.2% |
| Q4 2015 | $42,728,000 | +54.8% | 943,010 | +42.6% | 0.14% | +51.7% |
| Q3 2015 | $27,601,000 | +24.4% | 661,400 | +79.6% | 0.09% | +32.8% |
| Q2 2015 | $22,191,000 | +166.3% | 368,200 | +242.5% | 0.07% | +168.0% |
| Q1 2015 | $8,332,000 | – | 107,500 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Securities, Inc. | 290,793 | $28,201,000 | 17.00% |
| Boxer Capital, LLC | 1,650,000 | $160,017,000 | 11.60% |
| One68 Global Capital, LLC | 48,066 | $4,661,000 | 10.64% |
| EcoR1 Capital, LLC | 714,789 | $69,320,000 | 8.75% |
| Casdin Capital, LLC | 863,300 | $83,722,834,000 | 8.66% |
| STANSBERRY ASSET MANAGEMENT, LLC | 168,629 | $16,354,000 | 7.23% |
| HAVENS ADVISORS LLC | 81,300 | $7,884,000 | 7.17% |
| Chicago Capital Management, LLC | 121,000 | $11,735,000 | 6.12% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 364,397 | $35,339,000 | 5.29% |
| Sandell Asset Management Corp. | 153,000 | $14,838,000 | 4.99% |