DEALERTRACK TECHNOLOGIES INC

CUSIP: 242309102 Class: COM

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

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

Q3 2015
Shares 861,750 Value ($000) $54,428 Avg Close — Range —
Q2 2015
Shares 682,560 Value ($000) $42,858 Avg Close — Range —