MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

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

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

Q4 2019

Shares 4,876 Value ($000) $536 Avg Close $99.99 Range $81.07 - $109.78

Q1 2019

Shares 8,034 Value ($000) $748 Avg Close $76.40 Range $59.36 - $88.91

Q3 2018

Shares 7,528 Value ($000) $603 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 26,057 Value ($000) $2,489 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 17,529 Value ($000) $2,027 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 18,771 Value ($000) $1,798 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 6,030 Value ($000) $570 Avg Close $76.52 Range $62.45 - $89.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	4,876	$536	$99.99	$81.07 - $109.78
Q1 2019	8,034	$748	$76.40	$59.36 - $88.91
Q3 2018	7,528	$603	$86.11	$74.38 - $97.19
Q2 2018	26,057	$2,489	$102.60	$86.55 - $115.42
Q1 2018	17,529	$2,027	$103.13	$88.32 - $120.60
Q4 2017	18,771	$1,798	$93.43	$82.69 - $103.63
Q3 2017	6,030	$570	$76.52	$62.45 - $89.48