SPOK HLDGS INC

Ticker: SPOK CUSIP: 84863T106 Class: COM

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

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

Q3 2017
Shares 12,506 Value ($000) $192 Avg Close $16.33 Range $14.45 - $18.05
Q2 2017
Shares 11,533 Value ($000) $204 Avg Close $17.90 Range $16.50 - $20.60