ISHARES TR

Ticker: MUB CUSIP: 464288414 Class: NATIONAL MUN ETF

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q2 2018
Shares 1,850 Value ($000) $202 Avg Close — Range —
Q1 2018
Shares 1,850 Value ($000) $202 Avg Close — Range —
Q4 2017
Shares 2,875 Value ($000) $318 Avg Close — Range —
Q3 2017
Shares 2,994 Value ($000) $332 Avg Close — Range —
Q2 2017
Shares 3,309 Value ($000) $364 Avg Close — Range —
Q1 2017
Shares 2,846 Value ($000) $310 Avg Close — Range —
Q4 2016
Shares 3,496 Value ($000) $378 Avg Close — Range —
Q3 2016
Shares 4,546 Value ($000) $513 Avg Close — Range —
Q2 2016
Shares 2,656 Value ($000) $303 Avg Close — Range —
Q1 2016
Shares 2,591 Value ($000) $289 Avg Close — Range —
Q4 2015
Shares 4,040 Value ($000) $447 Avg Close — Range —
Q3 2015
Shares 4,734 Value ($000) $519 Avg Close — Range —
Q2 2015
Shares 3,075 Value ($000) $333 Avg Close — Range —
Q1 2015
Shares 10,090 Value ($000) $1,116 Avg Close — Range —
Q4 2014
Shares 4,650 Value ($000) $513 Avg Close — Range —
Q3 2014
Shares 1,891 Value ($000) $207 Avg Close — Range —