Marshall Wace’s Medidata Solutions, Inc. MDSO Stock Holding History

Marshall Wace’s Portfolio MDSO Stock Details MDSO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-44,594	Closed	-$4.08M	–	2285
2019 Q3	$4.08M	Sell	44,594 -8,060	-15%	-$736K	0.03%	561
2019 Q2	$4.76M	Buy	52,654 +44,036	+511%	+$3.86M	0.04%	506
2019 Q1	$631K	Buy	8,618 +6,870	+393%	+$496K	0.01%	1070
2018 Q4	$118K	Sell	1,748 -6,091	-78%	-$430K	﹤0.01%	1340
2018 Q3	$575K	Buy	+7,839	New	+$627K	﹤0.01%	899
2017 Q4	–	Sell	-16,271	Closed	-$1.27M	–	513
2017 Q3	$1.27M	Buy	+16,271	New	+$1.24M	0.06%	198
2014 Q4	–	Sell	-19,579	Closed	-$867K	–	1049
2014 Q3	$867K	Buy	+19,579	New	+$867K	0.01%	570

Other funds holding MDSO

WBC

Westpac Banking Corp Sydney, Australia $1.44B AUM 28.5% 1-Year Est. Return

Marshall Wace's MDSO Position: Q4 2019 in Review

Marshall Wace sold out of Medidata Solutions, Inc. (MDSO) in Q4 2019, closing a stake of 44,594 shares — an estimated $4.08M sold.

Marshall Wace first reported a position in MDSO in Q3 2014 and held it in 7 quarters. The position peaked at $4.76M in Q2 2019. 1 fund tracked by Wall St. Rank holds MDSO as of Q4 2019.

Marshall Wace reported no remaining Medidata Solutions, Inc. position as of Q4 2019 after selling out during the quarter.
Marshall Wace sold 44,594 Medidata Solutions, Inc. shares in Q4 2019, an estimated $4.08M.
Marshall Wace first reported a position in Medidata Solutions, Inc. in Q3 2014 and held it in 7 quarters.
Marshall Wace's Medidata Solutions, Inc. position peaked at $4.76M in Q2 2019.
1 fund tracked by Wall St. Rank held Medidata Solutions, Inc. as of Q4 2019.

Based on Marshall Wace's 13F filing for Q4 2019, filed 14 Feb 2020.