Marshall Wace’s THORATEC CORPORATION THOR Stock Holding History

Marshall Wace’s Portfolio THOR Stock Details THOR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-45,599	Closed	-$2.88M	–	1254
2015 Q3	$2.88M	Sell	45,599 -24,324	-35%	-$1.45M	0.04%	381
2015 Q2	$3.12M	Buy	69,923 +54,839	+364%	+$2.4M	0.04%	381
2015 Q1	$632K	Sell	15,084 -11,038	-42%	-$421K	0.01%	649
2014 Q4	$848K	Buy	+26,122	New	+$760K	0.01%	587

Other funds holding THOR

MCM

Manchester Capital Management Manchester, Vermont $694M AUM 22.34% 1-Year Est. Return

CCS

Crosspoint Capital Strategies Orinda, California $50.4M AUM 15.37% 1-Year Est. Return

Marshall Wace's THOR Position: Q4 2015 in Review

Marshall Wace sold out of THORATEC CORPORATION (THOR) in Q4 2015, closing a stake of 45,599 shares — an estimated $2.88M sold.

Marshall Wace first reported a position in THOR in Q4 2014 and held it in 4 quarters. The position peaked at $3.12M in Q2 2015. 2 funds tracked by Wall St. Rank hold THOR as of Q4 2015.

Marshall Wace reported no remaining THORATEC CORPORATION position as of Q4 2015 after selling out during the quarter.
Marshall Wace sold 45,599 THORATEC CORPORATION shares in Q4 2015, an estimated $2.88M.
Marshall Wace first reported a position in THORATEC CORPORATION in Q4 2014 and held it in 4 quarters.
Marshall Wace's THORATEC CORPORATION position peaked at $3.12M in Q2 2015.
2 funds tracked by Wall St. Rank held THORATEC CORPORATION as of Q4 2015.

Based on Marshall Wace's 13F filing for Q4 2015, filed 10 Feb 2016.