Marshall Wace North America’s MyoKardia, Inc. Common Stock MYOK Stock Holding History

Marshall Wace North America’s Portfolio MYOK Stock Details MYOK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-179,629	Closed	-$24.5M	–	1719
2020 Q3	$24.5M	Sell	179,629 -164,154	-48%	-$17.5M	0.16%	167
2020 Q2	$33.2M	Buy	343,783 +39,188	+13%	+$3.27M	0.22%	117
2020 Q1	$14.3M	Sell	304,595 -149,832	-33%	-$9.6M	0.11%	184
2019 Q4	$33.1M	Buy	454,427 +282,699	+165%	+$17.1M	0.16%	157
2019 Q3	$8.96M	Buy	+171,728	New	+$9.13M	0.05%	275
2019 Q2	–	Sell	-252,612	Closed	-$13.1M	–	1820
2019 Q1	$13.1M	Buy	252,612 +248,134	+5,541%	+$11.4M	0.09%	187
2018 Q4	$219K	Buy	+4,478	New	+$247K	﹤0.01%	942
2017 Q4	–	Sell	-15,419	Closed	-$663K	–	1713
2017 Q3	$663K	Sell	15,419 -139,855	-90%	-$4.46M	﹤0.01%	1024
2017 Q2	$2.02M	Buy	155,274 +33,970	+28%	+$448K	0.01%	740
2017 Q1	$1.58M	Buy	+121,304	New	+$1.55M	0.01%	625

Marshall Wace North America's MYOK Position: Q4 2020 in Review

Marshall Wace North America sold out of MyoKardia, Inc. Common Stock (MYOK) in Q4 2020, closing a stake of 179,629 shares — an estimated $24.5M sold.

Marshall Wace North America first reported a position in MYOK in Q1 2017 and held it in 10 quarters. The position peaked at $33.2M in Q2 2020. 0 funds tracked by Wall St. Rank hold MYOK as of Q4 2020.

Marshall Wace North America reported no remaining MyoKardia, Inc. Common Stock position as of Q4 2020 after selling out during the quarter.
Marshall Wace North America sold 179,629 MyoKardia, Inc. Common Stock shares in Q4 2020, an estimated $24.5M.
Marshall Wace North America first reported a position in MyoKardia, Inc. Common Stock in Q1 2017 and held it in 10 quarters.
Marshall Wace North America's MyoKardia, Inc. Common Stock position peaked at $33.2M in Q2 2020.
0 funds tracked by Wall St. Rank held MyoKardia, Inc. Common Stock as of Q4 2020.

Based on Marshall Wace North America's 13F filing for Q4 2020, filed 16 Feb 2021.