MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

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

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

Q4 2019

Shares 3,497 Value ($000) $872 Avg Close $228.21 Range $201.87 - $248.54

Q3 2019

Shares 5,555 Value ($000) $1,321 Avg Close $225.06 Range $200.11 - $261.29

Q3 2018

Shares 2,656 Value ($000) $490 Avg Close $195.39 Range $165.11 - $218.31

Q2 2018

Shares 2,080 Value ($000) $440 Avg Close $169.69 Range $134.32 - $207.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	3,497	$872	$228.21	$201.87 - $248.54
Q3 2019	5,555	$1,321	$225.06	$200.11 - $261.29
Q3 2018	2,656	$490	$195.39	$165.11 - $218.31
Q2 2018	2,080	$440	$169.69	$134.32 - $207.68