Mason Hawkins's AVTR Position Overview
Mason Hawkins (via Southeastern Asset Management Inc/Tn/) currently holds 5.1M shares of Avantor, Inc. (AVTR) worth $64.26 M, representing 3.28% of the portfolio. First purchased in 2025-Q3, this recently established position has been held for 1 quarters.
Based on recent 13F filings, Mason Hawkins has initiated a new position in AVTR, representing a fresh investment thesis on this company. Insufficient history to summarize additions or reductions.
Analysis based on 13F filings available since 2013 Q2
Mason Hawkins's Avantor (AVTR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Avantor (AVTR) Trades by Mason Hawkins
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2025 | +5.15 M | New Buy | 5.15 M | $12.48 |
Mason Hawkins's Avantor Investment FAQs
Mason Hawkins first purchased Avantor, Inc. (AVTR) in Q3 2025, acquiring 5,149,420 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mason Hawkins has held Avantor, Inc. (AVTR) for 1 quarters since Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mason Hawkins's largest addition to Avantor, Inc. (AVTR) was in Q3 2025, adding 5,149,420 shares worth $64.26 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mason Hawkins's firm, Southeastern Asset Management Inc/Tn/, owns 5,149,420 shares of Avantor, Inc. (AVTR), valued at approximately $64.26 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Avantor, Inc. (AVTR) represents approximately 3.28% of Mason Hawkins's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mason Hawkins's peak holding in Avantor, Inc. (AVTR) was 5,149,420 shares, as reported at the end of Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.