DEALERTRACK TECHNOLOGIES INC

CUSIP: 242309102 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q1 2015
Shares 6,405 Value ($000) $247 Avg Close — Range —
Q4 2014
Shares 5,513 Value ($000) $244 Avg Close — Range —