BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 51,539 Value ($000) $4,914 Avg Close $98.04 Range $90.42 - $105.65

Q4 2017

Shares 1,017,823 Value ($000) $25,232 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 1,513,563 Value ($000) $44,151 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 1,533,455 Value ($000) $42,507 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 1,550,025 Value ($000) $38,549 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 1,588,011 Value ($000) $34,349 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 1,610,783 Value ($000) $38,337 Avg Close $23.86 Range $22.95 - $24.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,539	$4,914	$98.04	$90.42 - $105.65
Q4 2017	1,017,823	$25,232	$27.58	$24.54 - $29.93
Q3 2017	1,513,563	$44,151	$27.62	$26.23 - $29.40
Q2 2017	1,533,455	$42,507	$26.54	$24.29 - $28.51
Q1 2017	1,550,025	$38,549	$24.32	$21.66 - $25.65
Q4 2016	1,588,011	$34,349	$21.82	$19.67 - $23.88
Q3 2016	1,610,783	$38,337	$23.86	$22.95 - $24.79