A.R.T. Advisors’s Medidata Solutions, Inc. MDSO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2018
Q1
Sell
-31,700
Closed -$2.01M 1902
2017
Q4
$2.01M Buy
31,700
+29,100
+1,119% +$1.84M 0.09% 374
2017
Q3
$202K Buy
+2,600
New +$202K 0.01% 1133
2017
Q2
Sell
-12,000
Closed -$692K 1887
2017
Q1
$692K Sell
12,000
-10,900
-48% -$629K 0.03% 689
2016
Q4
$1.14M Buy
+22,900
New +$1.14M 0.07% 440
2016
Q3
Sell
-13,369
Closed -$626K 1394
2016
Q2
$626K Buy
13,369
+1,600
+14% +$74.9K 0.03% 718
2016
Q1
$455K Sell
11,769
-29,700
-72% -$1.15M 0.02% 891
2015
Q4
$2.04M Buy
41,469
+25,963
+167% +$1.28M 0.1% 282
2015
Q3
$652K Sell
15,506
-34,072
-69% -$1.43M 0.02% 774
2015
Q2
$2.69M Buy
49,578
+34,036
+219% +$1.85M 0.09% 347
2015
Q1
$762K Sell
15,542
-8,806
-36% -$432K 0.03% 765
2014
Q4
$1.16M Sell
24,348
-8,331
-25% -$398K 0.04% 583
2014
Q3
$1.45M Buy
+32,679
New +$1.45M 0.07% 394
2014
Q2
Sell
-4,446
Closed -$241K 1642
2014
Q1
$241K Sell
4,446
-57,594
-93% -$3.12M 0.01% 1080
2013
Q4
$3.75M Buy
62,040
+13,230
+27% +$800K 0.2% 130
2013
Q3
$2.41M Buy
+48,810
New +$2.41M 0.13% 222