Water Island Capital’s Medidata Solutions, Inc. MDSO Stock Holding History

Water Island Capital’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	-900,726	Closed	-$82.4M	–	112
2019 Q3	$82.4M	Buy	900,726 +389,718	+76%	+$35.6M	5.12%	8
2019 Q2	$46.3M	Buy	+511,008	New	+$44.8M	1.07%	27

Other funds holding MDSO

WBC

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

Water Island Capital's MDSO Position: Q4 2019 in Review

Water Island Capital sold out of Medidata Solutions, Inc. (MDSO) in Q4 2019, closing a stake of 900,726 shares — an estimated $82.4M sold.

Water Island Capital first reported a position in MDSO in Q2 2019 and held it in 2 quarters. The position peaked at $82.4M in Q3 2019. 1 fund tracked by Wall St. Rank holds MDSO as of Q4 2019.

Water Island Capital reported no remaining Medidata Solutions, Inc. position as of Q4 2019 after selling out during the quarter.
Water Island Capital sold 900,726 Medidata Solutions, Inc. shares in Q4 2019, an estimated $82.4M.
Water Island Capital first reported a position in Medidata Solutions, Inc. in Q2 2019 and held it in 2 quarters.
Water Island Capital's Medidata Solutions, Inc. position peaked at $82.4M in Q3 2019.
1 fund tracked by Wall St. Rank held Medidata Solutions, Inc. as of Q4 2019.

Based on Water Island Capital's 13F filing for Q4 2019, filed 11 Feb 2020.