ISHARES TR

Ticker: IEF CUSIP: 464287440 Class: Fixed Income ETF

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

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

Q2 2016

Shares 94,700 Value ($000) $10,697 Avg Close — Range —

Q1 2016

Shares 91,000 Value ($000) $10,041 Avg Close — Range —

Q4 2015

Shares 89,500 Value ($000) $9,450 Avg Close — Range —

Q3 2015

Shares 81,900 Value ($000) $8,835 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	94,700	$10,697	—	—
Q1 2016	91,000	$10,041	—	—
Q4 2015	89,500	$9,450	—	—
Q3 2015	81,900	$8,835	—	—