Engine Capital Management, LP
- SEC CIK
- 0001665590
- Latest filing
- Aug 14, 2026
AVTR holding history
Avantor, Inc. in every 13F filed by Engine Capital Management, LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AVTR overviewAll 13F holders of AVTRFull Q2 2026 holdings
- Shares (Q2 2026)
- 19,860,830
- Value
- $196.6M
- % of portfolio
- 19.1%
- Quarters held
- 5
- Since Q2 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 19,860,830 | $196.6M | 19.1% | +80,000+0.4% | Added | Holders |
| Q1 2026 | 19,780,830 | $155.1M | 18.7% | +7,853,018+65.8% | Added | Holders |
| Q4 2025 | 11,927,812 | $136.7M | 18.9% | −7,792,618−39.5% | Reduced | Holders |
| Q3 2025 | 19,720,430 | $246.1M | 29.2% | +14,216,121+258.3% | Added | Holders |
| Q2 2025 | 5,504,309 | $74.1M | 15.6% | +5,504,309 | New | Holders |