BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q1 2018
Shares 807 Value ($000) $22 Avg Close $27.18 Range $24.84 - $28.90
Q4 2017
Shares 807 Value ($000) $20 Avg Close $27.58 Range $24.54 - $29.93
Q3 2017
Shares 807 Value ($000) $24 Avg Close $27.62 Range $26.23 - $29.40
Q2 2017
Shares 807 Value ($000) $22 Avg Close $26.54 Range $24.29 - $28.51
Q1 2017
Shares 807 Value ($000) $20 Avg Close $24.32 Range $21.66 - $25.65
Q4 2016
Shares 807 Value ($000) $17 Avg Close $21.82 Range $19.67 - $23.88
Q3 2016
Shares 909 Value ($000) $22 Avg Close $23.86 Range $22.95 - $24.79
Q2 2016
Shares 1,095 Value ($000) $26 Avg Close $21.63 Range $18.65 - $23.37
Q1 2016
Shares 1,095 Value ($000) $21 Avg Close $17.57 Range $15.67 - $18.89
Q4 2015
Shares 1,095 Value ($000) $20 Avg Close $17.92 Range $16.25 - $19.06
Q3 2015
Shares 975 Value ($000) $16 Avg Close $17.09 Range $14.18 - $18.11
Q2 2015
Shares 975 Value ($000) $17 Avg Close $17.87 Range $17.12 - $18.62
Q1 2015
Shares 759 Value ($000) $13 Avg Close $15.80 Range $13.14 - $18.17