MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

CONTRAVISORY INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001365707)

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

Q4 2017
Shares 15 Value ($000) $1 Avg Close $93.43 Range $82.69 - $103.63
Q3 2017
Shares 15 Value ($000) $1 Avg Close $76.52 Range $62.45 - $89.48