COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

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

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

Q1 2021
Shares 134,763 Value ($000) $9,266 Avg Close $46.19 Range $42.45 - $53.35
Q4 2020
Shares 128,271 Value ($000) $7,680 Avg Close $44.21 Range $39.55 - $48.39
Q3 2020
Shares 132,923 Value ($000) $7,982 Avg Close $53.91 Range $43.66 - $66.92
Q2 2020
Shares 111,496 Value ($000) $8,625 Avg Close $59.24 Range $53.63 - $67.78
Q1 2020
Shares 104,109 Value ($000) $8,534 Avg Close $54.80 Range $46.85 - $63.38
Q4 2019
Shares 103,165 Value ($000) $6,789 Avg Close $43.44 Range $38.28 - $48.23
Q3 2019
Shares 102,973 Value ($000) $5,674 Avg Close $42.42 Range $38.13 - $45.53
Q2 2019
Shares 97,075 Value ($000) $5,762 Avg Close $40.47 Range $37.32 - $43.54
Q1 2019
Shares 97,453 Value ($000) $5,287 Avg Close $34.25 Range $30.46 - $38.29
Q4 2018
Shares 113,340 Value ($000) $5,124 Avg Close $34.08 Range $29.38 - $39.03
Q3 2018
Shares 100,736 Value ($000) $5,621 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 107,727 Value ($000) $5,753 Avg Close $33.53 Range $28.42 - $38.12