COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

Parametrica Management Ltd's Holding History (CIK: 0001535110)

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

Q4 2018

Shares 8,820 Value ($000) $399 Avg Close $34.08 Range $29.38 - $39.03

Q3 2018

Shares 5,675 Value ($000) $317 Avg Close $36.52 Range $31.80 - $39.09

Q1 2018

Shares 6,603 Value ($000) $287 Avg Close $29.20 Range $23.71 - $30.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	8,820	$399	$34.08	$29.38 - $39.03
Q3 2018	5,675	$317	$36.52	$31.80 - $39.09
Q1 2018	6,603	$287	$29.20	$23.71 - $30.80