A detailed history of Southeastern Asset Management Inc transactions in Avantor, Inc. stock. As of the latest transaction made, Southeastern Asset Management Inc holds 5,149,420 shares of AVTR stock, worth $58.6 Million. This represents 3.5% of its overall portfolio holdings.

Number of Shares
5,149,420
Holding current value
$58.6 Million
% of portfolio
3.5%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$11.18 - $14.21 $57.6 Million - $73.2 Million
5,149,420 New
5,149,420 $64.3 Million

Others Institutions Holding AVTR

About Avantor, Inc.


  • Ticker AVTR
  • Exchange NYSE
  • Sector Basic Materials
  • Industry Specialty Chemicals
  • Shares Outstandng 674,035,008
  • Market Cap $7.67B
  • Description
  • Avantor, Inc. provides products and services to customers in biopharma, healthcare, education and government, advanced technologies, and applied materials industries in the Americas, Europe, Asia, the Middle East, and Africa. The company offers materials and consumables, such as purity chemicals and reagents, lab products and supplies, formulate...
More about AVTR
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