UBS OCONNOR LLC - SPARK THERAPEUTICS INC ownership

Quarter-by-quarter ownership
UBS OCONNOR LLC ownership history of SPARK THERAPEUTICS INC
ValueSharesWeighting
Q2 2016$1,023,000,000
-46.1%
20,000
-68.9%
0.02%
-37.1%
Q1 2016$1,898,000,000
-56.8%
64,310
-33.7%
0.04%
-52.7%
Q4 2015$4,395,000,00097,0000.07%
Other shareholders
SPARK THERAPEUTICS INC shareholders Q3 2023
NameSharesValueWeighting ↓
Twin Securities, Inc. 290,793$28,201,00017.00%
Boxer Capital, LLC 1,650,000$160,017,00011.60%
One68 Global Capital, LLC 48,066$4,661,00010.64%
EcoR1 Capital, LLC 714,789$69,320,0008.75%
Casdin Capital, LLC 863,300$83,722,834,0008.66%
STANSBERRY ASSET MANAGEMENT, LLC 168,629$16,354,0007.23%
HAVENS ADVISORS LLC 81,300$7,884,0007.17%
Chicago Capital Management, LLC 121,000$11,735,0006.12%
GARDNER LEWIS ASSET MANAGEMENT L P 364,397$35,339,0005.29%
Sandell Asset Management Corp. 153,000$14,838,0004.99%
View complete list of SPARK THERAPEUTICS INC shareholders