ISHARES TR

Ticker: IBB CUSIP: 464287556 Class: ISHARES BIOTECH

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

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

Q2 2017
Shares 3,040 Value ($000) $943 Avg Close — Range —
Q1 2017
Shares 2,950 Value ($000) $865 Avg Close — Range —
Q4 2016
Shares 2,950 Value ($000) $783 Avg Close — Range —
Q3 2016
Shares 3,150 Value ($000) $912 Avg Close — Range —
Q2 2016
Shares 3,150 Value ($000) $811 Avg Close — Range —
Q1 2016
Shares 2,726 Value ($000) $711 Avg Close — Range —