ISHARES TR

Ticker: MBB CUSIP: 464288588 Class: Fixed Income ETF

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

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

Q4 2020
Shares 512,120 Value ($000) $56,400 Avg Close — Range —
Q3 2020
Shares 529,220 Value ($000) $58,426 Avg Close — Range —
Q2 2020
Shares 580,000 Value ($000) $64,206 Avg Close — Range —
Q1 2020
Shares 615,550 Value ($000) $67,981 Avg Close — Range —