MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

ARK Investment Management LLC's Holding History (CIK: 0001697748)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 211 Value ($000) $19 Avg Close — Range —
Q2 2019
Shares 6,623 Value ($000) $599 Avg Close — Range —
Q1 2019
Shares 1,117,845 Value ($000) $81,871 Avg Close — Range —
Q4 2018
Shares 936,559 Value ($000) $63,143 Avg Close — Range —
Q3 2018
Shares 804,133 Value ($000) $58,951 Avg Close — Range —
Q2 2018
Shares 627,743 Value ($000) $50,571 Avg Close — Range —
Q1 2018
Shares 711,972 Value ($000) $44,719 Avg Close — Range —
Q4 2017
Shares 326,079 Value ($000) $20,664 Avg Close — Range —
Q2 2017
Shares 74,769 Value ($000) $5,847 Avg Close — Range —
Q1 2017
Shares 9,391 Value ($000) $542 Avg Close — Range —
Q4 2016
Shares 6,657 Value ($000) $331 Avg Close — Range —