MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Park West Asset Management LLC's Holding History (CIK: 0001386928)

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

Q4 2025
Shares 278,614 Value ($000) $44,523 Avg Close $148.21 Range $120.73 - $170.37
Q3 2025
Shares 60,000 Value ($000) $7,426 Avg Close $106.31 Range $88.17 - $132.24