Driehaus Capital Management’s Medidata Solutions, Inc. MDSO Stock Holding History

Driehaus Capital Management’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
2018 Q4	–	Sell	-25,659	Closed	-$1.88M	–	557
2018 Q3	$1.88M	Sell	25,659 -6,915	-21%	-$553K	0.06%	298
2018 Q2	$2.62M	Buy	+32,574	New	+$2.44M	0.09%	242
2018 Q1	–	Sell	-15,355	Closed	-$973K	–	635
2017 Q4	$973K	Sell	15,355 -30,115	-66%	-$2.15M	0.04%	343
2017 Q3	$3.55M	Sell	45,470 -7,467	-14%	-$569K	0.14%	193
2017 Q2	$4.14M	Buy	+52,937	New	+$3.69M	0.15%	156
2014 Q4	–	Sell	-14,404	Closed	-$638K	–	640
2014 Q3	$638K	Sell	14,404 -3,587	-20%	-$159K	0.02%	459
2014 Q2	$770K	Sell	17,991 -226,802	-93%	-$9.42M	0.03%	468
2014 Q1	$13.3M	Sell	244,793 -170,514	-41%	-$10.4M	0.42%	54
2013 Q4	$25.2M	Buy	415,307 +915	+0.2%	+$50.7K	0.91%	19
2013 Q3	$20.5M	Buy	414,392 +23,556	+6%	+$1.04M	0.79%	21
2013 Q2	$15.1M	Buy	+390,836	New	+$12.7M	0.66%	21

Other funds holding MDSO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

BCM

Brown Capital Management Baltimore, Maryland $704M AUM 6.25% 1-Year Est. Return

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

CIP

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Credit Suisse Zurich, Switzerland $104B AUM 34.76% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Driehaus Capital Management's MDSO Position: Q4 2018 in Review

Driehaus Capital Management sold out of Medidata Solutions, Inc. (MDSO) in Q4 2018, closing a stake of 25,659 shares — an estimated $1.88M sold.

Driehaus Capital Management first reported a position in MDSO in Q2 2013 and held it in 11 quarters. The position peaked at $25.2M in Q4 2013. 283 funds tracked by Wall St. Rank hold MDSO as of Q4 2018.

Driehaus Capital Management reported no remaining Medidata Solutions, Inc. position as of Q4 2018 after selling out during the quarter.
Driehaus Capital Management sold 25,659 Medidata Solutions, Inc. shares in Q4 2018, an estimated $1.88M.
Driehaus Capital Management first reported a position in Medidata Solutions, Inc. in Q2 2013 and held it in 11 quarters.
Driehaus Capital Management's Medidata Solutions, Inc. position peaked at $25.2M in Q4 2013.
283 funds tracked by Wall St. Rank held Medidata Solutions, Inc. as of Q4 2018.

Based on Driehaus Capital Management's 13F filing for Q4 2018, filed 14 Feb 2019.