Weiss Asset Management LP[1 »

Avantor shares owned by Weiss Asset Management LP[1

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

Historical chart of Weiss Asset Management LP[1 investment in Avantor

Tip: Access up to 7 years of quarterly data

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

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Avantor by Weiss Asset Management LP[1

Quarter filed Position value Share count Share price at filing
2025-09-30 $6.9M 551k 12.48
2024-09-30 $1.8M 68k 25.87
2022-12-31 $2.1M 100k 21.09
2022-06-30 $1.5M 49k 31.11
2022-03-31 $608k 18k 33.82

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 Avantor

Dodge & Cox
Vanguard Group
BlackRock
Barrow, Hanley, Mewhinney & Strauss
T. Rowe Price Investment Management
State Street Corporation
Engine Capital Management
Greenhaven Associates
Invesco
Clarkston Capital Partners
New Mountain Capital
Dimensional Fund Advisors
London Company
Geode Capital Management
Manufacturers Life Insurance Company

View all funds holding Avantor