COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q4 2019

Shares 3,106 Value ($000) $204 Avg Close $43.44 Range $38.28 - $48.23

Q3 2019

Shares 18,882 Value ($000) $1,040 Avg Close $42.42 Range $38.13 - $45.53

Q4 2018

Shares 12,386 Value ($000) $560 Avg Close $34.08 Range $29.38 - $39.03

Q3 2018

Shares 17,579 Value ($000) $986 Avg Close $36.52 Range $31.80 - $39.09

Q2 2018

Shares 7,904 Value ($000) $425 Avg Close $33.53 Range $28.42 - $38.12

Q1 2018

Shares 18,217 Value ($000) $791 Avg Close $29.20 Range $23.71 - $30.80

Q4 2017

Shares 15,529 Value ($000) $711 Avg Close $31.42 Range $27.83 - $36.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	3,106	$204	$43.44	$38.28 - $48.23
Q3 2019	18,882	$1,040	$42.42	$38.13 - $45.53
Q4 2018	12,386	$560	$34.08	$29.38 - $39.03
Q3 2018	17,579	$986	$36.52	$31.80 - $39.09
Q2 2018	7,904	$425	$33.53	$28.42 - $38.12
Q1 2018	18,217	$791	$29.20	$23.71 - $30.80
Q4 2017	15,529	$711	$31.42	$27.83 - $36.00