Weiss Asset Management LP[1 »

MKS Instruments shares owned by Weiss Asset Management LP[1

Quarter-by-quarter ownership of MKS Instruments (MKSI) shares owned by Weiss Asset Management LP[1 from 13F filings

Historical chart of Weiss Asset Management LP[1 investment in MKS Instruments

Tip: Access up to 7 years of quarterly data

All positions including MKS Instruments held by Weiss Asset Management LP[1 consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in MKS Instruments by Weiss Asset Management LP[1

Quarter filed Position value Share count Share price at filing
2025-09-30 $14M 111k 123.77
2024-09-30 $1.8M 17k 108.71
2023-12-31 $1.9M 19k 102.87
2022-03-31 $210k 1.4k 150.11

More positions owned by Weiss Asset Management LP[1

Strategy Cl A New (MSTR)
NVIDIA Corporation Put Option (NVDA)
Ishares Bitcoin Trust Etf Shs Ben Int Put Option (IBIT)
Ishares Ethereum Tr SHS Put Option (ETHA)
Interdigital Note 3.500% 6/0 (Principal)
Tesla Motors (TSLA)
Coinbase Global Com Cl A (COIN)
Strategy Note 0.625% 9/1 (Principal)
Super Micro Computer Note 3.500% 3/0 (Principal)
Ionis Pharmaceuticals Note 4/0 (Principal)
Theravance Biopharma (TBPH)
Sunrun Note 4.000% 3/0 (Principal)
Bridgebio Pharma Note 2.500% 3/1 (Principal)
Circle Internet Group Com Cl A (CRCL)
Broadcom Put Option (AVGO)

View all positions for Weiss Asset Management LP[1

Top funds holding MKS Instruments

Vanguard Group
BlackRock
Victory Capital Management
FMR
Capital Research and Management Company - Division 3
Wellington Management Company
Invesco
State Street Corporation
Neuberger Berman Group
Nordea Investment Management Ab
UBS Group
Franklin Resources
Cooke & Bieler
Dimensional Fund Advisors
Geode Capital Management

View all funds holding MKS Instruments