MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2019
Shares 184,184 Value ($000) $16,853 Avg Close — Range —
Q2 2019
Shares 333,183 Value ($000) $30,156 Avg Close — Range —
Q1 2019
Shares 347,336 Value ($000) $25,439 Avg Close — Range —
Q4 2018
Shares 341,116 Value ($000) $22,998 Avg Close — Range —
Q3 2018
Shares 371,561 Value ($000) $27,239 Avg Close — Range —
Q2 2018
Shares 346,579 Value ($000) $27,920 Avg Close — Range —
Q1 2018
Shares 288,709 Value ($000) $18,133 Avg Close — Range —
Q4 2017
Shares 280,257 Value ($000) $17,760 Avg Close — Range —
Q3 2017
Shares 452,414 Value ($000) $35,315 Avg Close — Range —
Q2 2017
Shares 390,006 Value ($000) $30,498 Avg Close — Range —
Q1 2017
Shares 28,810 Value ($000) $1,662 Avg Close — Range —
Q4 2016
Shares 48,592 Value ($000) $2,414 Avg Close — Range —
Q3 2016
Shares 37,404 Value ($000) $2,085 Avg Close — Range —
Q2 2016
Shares 42,226 Value ($000) $1,979 Avg Close — Range —
Q1 2016
Shares 38,886 Value ($000) $1,505 Avg Close — Range —
Q4 2015
Shares 29,334 Value ($000) $1,446 Avg Close — Range —
Q3 2015
Shares 38,055 Value ($000) $1,602 Avg Close — Range —
Q2 2015
Shares 14,501 Value ($000) $788 Avg Close — Range —
Q1 2014
Shares 20,320 Value ($000) $1,104 Avg Close — Range —
Q4 2013
Shares 58,934 Value ($000) $3,569 Avg Close — Range —
Q3 2013
Shares 30,486 Value ($000) $3,016 Avg Close — Range —