PICTON MAHONEY ASSET MANAGEMENT - SPARK THERAPEUTICS INC ownership

SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 110 filers reported holding SPARK THERAPEUTICS INC in Q2 2015. The put-call ratio across all filers is 1.84 and the average weighting 0.1%.

Quarter-by-quarter ownership
PICTON MAHONEY ASSET MANAGEMENT ownership history of SPARK THERAPEUTICS INC
ValueSharesWeighting
Q2 2015$223,000
-42.5%
3,700
-26.0%
0.01%
-26.7%
Q1 2015$388,0005,0000.02%
Other shareholders
SPARK THERAPEUTICS INC shareholders Q2 2015
NameSharesValueWeighting ↓
Sofinnova Management VIII, L.L.C. 481,270$24,747,00013.51%
Ice Pond Lane Advisers, LLC 211,519$10,876,0007.42%
IPL Advisers, LLC 143,500$7,379,0004.67%
Casdin Capital, LLC 302,474$15,553,0003.79%
GREAT POINT PARTNERS LLC 410,900$21,128,0003.60%
Rock Springs Capital Management LP 615,000$31,623,0001.44%
Virtus ETF Advisers LLC 21,196$1,090,0001.37%
Eventide Asset Management 324,000$16,660,0000.87%
Baker Brothers Advisors 1,384,130$71,172,0000.62%
SPHERA FUNDS MANAGEMENT LTD. 100,000$5,142,0000.60%
View complete list of SPARK THERAPEUTICS INC shareholders