Robert Olstein's AVTR Position Overview
Robert Olstein (via Olstein Capital Management, L.P.) currently holds 794,000 shares of Avantor, Inc. (AVTR) worth $9.91 M, representing 1.87% of the portfolio. First purchased in 2023-Q1, this medium-term investment has been held for 11 quarters.
Based on 13F filings, Robert Olstein has maintained a strategic position in AVTR, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2025, adding 212,000 shares. Largest reduction occurred in Q3 2024, reducing 56,184 shares.
Analysis based on 13F filings available since 2013 Q2
Robert Olstein's Avantor (AVTR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Avantor (AVTR) Trades by Robert Olstein
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2023 | +141,000 | New Buy | 141,000 | $21.14 |
| Q2 2023 | +165,000 | Add 117.02% | 306,000 | $20.54 |
| Q4 2023 | +9,000 | Add 2.94% | 315,000 | $22.83 |
| Q1 2024 | -20,816 | Reduce 6.61% | 294,184 | $25.57 |
| Q2 2024 | -3,000 | Reduce 1.02% | 291,184 | $21.20 |
| Q3 2024 | -56,184 | Reduce 19.30% | 235,000 | $25.87 |
| Q4 2024 | +121,000 | Add 51.49% | 356,000 | $21.07 |
| Q1 2025 | +212,000 | Add 59.55% | 568,000 | $16.21 |
| Q2 2025 | +111,000 | Add 19.54% | 679,000 | $13.46 |
| Q3 2025 | +115,000 | Add 16.94% | 794,000 | $12.48 |
Robert Olstein's Avantor Investment FAQs
Robert Olstein first purchased Avantor, Inc. (AVTR) in Q1 2023, acquiring 141,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Olstein has held Avantor, Inc. (AVTR) for 11 quarters since Q1 2023. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Robert Olstein's largest addition to Avantor, Inc. (AVTR) was in Q1 2025, adding 568,000 shares worth $9.21 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Robert Olstein's firm, Olstein Capital Management, L.P., owns 794,000 shares of Avantor, Inc. (AVTR), valued at approximately $9.91 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 1.87% of Robert Olstein'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.
Robert Olstein's peak holding in Avantor, Inc. (AVTR) was 794,000 shares, as reported at the end of Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.