Iguana Healthcare Management, LLC - SPARK THERAPEUTICS INC ownership

SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 121 filers reported holding SPARK THERAPEUTICS INC in Q4 2016. The put-call ratio across all filers is 0.53 and the average weighting 0.3%.

Quarter-by-quarter ownership
Iguana Healthcare Management, LLC ownership history of SPARK THERAPEUTICS INC
ValueSharesWeighting
Q3 2016$1,502,000
-51.0%
25,000
-58.3%
0.27%
-78.5%
Q2 2016$3,068,00060,0001.25%
Other shareholders
SPARK THERAPEUTICS INC shareholders Q4 2016
NameSharesValueWeighting ↓
Sofinnova Management VIII, L.L.C. 904,986$45,159,00025.41%
Casdin Capital, LLC 128,500$6,412,0005.30%
Rock Springs Capital Management LP 625,000$31,188,0002.09%
Bain Capital Public Equity Management, LLC 656,226$32,746,0001.14%
Ghost Tree Capital, LLC 80,000$3,992,0000.96%
Baker Brothers Advisors 1,318,341$65,785,0000.64%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 283,000$14,122,0000.58%
Eventide Asset Management 150,000$7,485,0000.49%
Endurant Capital Management LP 14,800$739,0000.30%
HIGHLAND CAPITAL MANAGEMENT LP 112,000$5,589,0000.26%
View complete list of SPARK THERAPEUTICS INC shareholders