PARTY CITY HOLDCO INC

CUSIP: 702149105 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2018
Shares 2,141,185 Value ($000) $29,013 Avg Close — Range —
Q2 2018
Shares 1,547,610 Value ($000) $23,601 Avg Close — Range —
Q1 2018
Shares 1,320,060 Value ($000) $20,593 Avg Close — Range —