Parallax Volatility Advisers’s Medidata Solutions, Inc. MDSO Stock Holding History

Parallax Volatility Advisers’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 Q3	–	Sell	-20,000	Closed	-$1.81M	–	3897
2019 Q2	$1.81M	Hold	20,000	–	–	﹤0.01%	1070
2019 Q1	$1.47M	Buy	+20,000	New	+$1.44M	﹤0.01%	1114
2017 Q2	–	Sell	-400	Closed	-$23K	–	4607
2017 Q1	$23K	Buy	+400	New	+$21.6K	﹤0.01%	2934
2015 Q3	–	Sell	-900	Closed	-$48K	–	4653
2015 Q2	$48K	Sell	900 -1,400	-61%	-$75.2K	﹤0.01%	2553
2015 Q1	$113K	Buy	2,300 +1,000	+77%	+$46.3K	﹤0.01%	2435
2014 Q4	$61K	Sell	1,300 -1,100	-46%	-$47.6K	﹤0.01%	3828
2014 Q3	$106K	Buy	+2,400	New	+$106K	﹤0.01%	2858

Other funds holding MDSO

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

BCM

Brown Capital Management Baltimore, Maryland $500M AUM 25.3% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

AAM

Alpine Associates Management Palm Beach, Florida $1.6B AUM 93.19% 1-Year Est. Return

SCS

Syquant Capital SAS Paris, France $447M AUM 13.04% 1-Year Est. Return

Parallax Volatility Advisers's MDSO Position: Q1 2019 in Review

Parallax Volatility Advisers sold out of Medidata Solutions, Inc. (MDSO) in Q1 2019, closing a stake of 33 shares — an estimated $2.38K sold.

Parallax Volatility Advisers first reported a position in MDSO in Q3 2014 and held it in 11 quarters. The position peaked at $543K in Q4 2017. 285 funds tracked by Wall St. Rank hold MDSO as of Q1 2019.

Parallax Volatility Advisers reported no remaining Medidata Solutions, Inc. position as of Q1 2019 after selling out during the quarter.
Parallax Volatility Advisers sold 33 Medidata Solutions, Inc. shares in Q1 2019, an estimated $2.38K.
Parallax Volatility Advisers first reported a position in Medidata Solutions, Inc. in Q3 2014 and held it in 11 quarters.
Parallax Volatility Advisers's Medidata Solutions, Inc. position peaked at $543K in Q4 2017.
285 funds tracked by Wall St. Rank held Medidata Solutions, Inc. as of Q1 2019.

Based on Parallax Volatility Advisers's 13F filing for Q1 2019, filed 15 May 2019.