ABIOMED INC

CUSIP: 003654100 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2018
Shares 6,021 Value ($000) $2,708 Avg Close — Range —
Q2 2018
Shares 10,353 Value ($000) $4,235 Avg Close — Range —
Q1 2018
Shares 6,054 Value ($000) $1,762 Avg Close — Range —
Q4 2017
Shares 6,013 Value ($000) $1,127 Avg Close — Range —
Q3 2017
Shares 4,843 Value ($000) $817 Avg Close — Range —
Q2 2017
Shares 8,083 Value ($000) $1,158 Avg Close — Range —
Q1 2017
Shares 6,397 Value ($000) $801 Avg Close — Range —
Q4 2016
Shares 6,685 Value ($000) $753 Avg Close — Range —
Q3 2016
Shares 41,185 Value ($000) $5,296 Avg Close — Range —
Q2 2016
Shares 47,508 Value ($000) $5,192 Avg Close — Range —
Q1 2016
Shares 44,009 Value ($000) $4,172 Avg Close — Range —
Q4 2015
Shares 38,267 Value ($000) $3,455 Avg Close — Range —
Q3 2015
Shares 33,189 Value ($000) $3,079 Avg Close — Range —
Q2 2015
Shares 36,047 Value ($000) $2,369 Avg Close — Range —
Q1 2015
Shares 30,000 Value ($000) $2,147 Avg Close — Range —