COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q1 2017

Shares 18,100 Value ($000) $779 Avg Close $26.58 Range $24.73 - $28.22

Q4 2016

Shares 195,776 Value ($000) $8,095 Avg Close $24.11 Range $21.53 - $26.92

Q2 2015

Shares 12,931 Value ($000) $438 Avg Close $19.88 Range $18.21 - $21.34

Q1 2015

Shares 57,961 Value ($000) $2,048 Avg Close $21.41 Range $19.59 - $23.64

Q4 2014

Shares 27,001 Value ($000) $955 Avg Close $19.46 Range $17.19 - $21.00

Q3 2014

Shares 36,281 Value ($000) $1,219 Avg Close $19.66 Range $18.35 - $21.27

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	18,100	$779	$26.58	$24.73 - $28.22
Q4 2016	195,776	$8,095	$24.11	$21.53 - $26.92
Q2 2015	12,931	$438	$19.88	$18.21 - $21.34
Q1 2015	57,961	$2,048	$21.41	$19.59 - $23.64
Q4 2014	27,001	$955	$19.46	$17.19 - $21.00
Q3 2014	36,281	$1,219	$19.66	$18.35 - $21.27