ABIOMED INC

CUSIP: 003654100 Class: COM

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q2 2014
Shares 8,422 Value ($000) $212 Avg Close — Range —
Q1 2014
Shares 8,422 Value ($000) $220 Avg Close — Range —
Q4 2013
Shares 16,922 Value ($000) $453 Avg Close — Range —
Q3 2013
Shares 16,922 Value ($000) $322 Avg Close — Range —
Q2 2013
Shares 16,922 Value ($000) $364 Avg Close — Range —