COWEN GROUP INC NEW

CUSIP: 223622101 Class: CMN

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2016
Shares 1,733,370 Value ($000) $6,292 Avg Close — Range —
Q2 2016
Shares 1,628,359 Value ($000) $4,820 Avg Close — Range —
Q1 2016
Shares 1,643,886 Value ($000) $6,263 Avg Close — Range —
Q4 2015
Shares 1,531,042 Value ($000) $5,864 Avg Close — Range —
Q3 2015
Shares 1,465,167 Value ($000) $6,681 Avg Close — Range —