ZAYO GROUP HLDGS INC

CUSIP: 98919V105 Class: COM

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

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

Q4 2018
Shares 1,196,330 Value ($000) $27,324 Avg Close — Range —
Q1 2018
Shares 786,094 Value ($000) $26,853 Avg Close — Range —
Q4 2017
Shares 845,521 Value ($000) $31,115 Avg Close — Range —
Q3 2017
Shares 716,929 Value ($000) $24,677 Avg Close — Range —
Q2 2017
Shares 609,400 Value ($000) $18,830 Avg Close — Range —
Q1 2017
Shares 1,026,260 Value ($000) $33,764 Avg Close — Range —
Q4 2016
Shares 1,013,840 Value ($000) $33,315 Avg Close — Range —
Q3 2016
Shares 964,135 Value ($000) $28,644 Avg Close — Range —