MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q2 2018
Shares 2,309 Value ($000) $221 Avg Close $102.60 Range $86.55 - $115.42
Q1 2018
Shares 3,814 Value ($000) $441 Avg Close $103.13 Range $88.32 - $120.60