MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q3 2019
Shares 25,514 Value ($000) $2,335 Avg Close — Range —
Q2 2019
Shares 10,042 Value ($000) $909 Avg Close — Range —