COMSCORE INC

CUSIP: 20564W105 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2015
Shares 23,729 Value ($000) $976 Avg Close — Range —
Q3 2015
Shares 67,807 Value ($000) $3,129 Avg Close — Range —
Q2 2015
Shares 89,260 Value ($000) $4,754 Avg Close — Range —
Q1 2015
Shares 90,204 Value ($000) $4,618 Avg Close — Range —
Q4 2014
Shares 114,081 Value ($000) $5,297 Avg Close — Range —