AVANTOR INC (AVTR) Institutional Ownership
AVTR is currently held by 5 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.53B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
The largest disclosed holder is Dodge & Cox Stock Fund, which reported ownership valued at approximately $1.19B in its June 30, 2026 13F filing. Based on current market prices and the latest disclosed share count, Dodge & Cox Stock Fund's AVTR position is now estimated to be worth approximately $1.83B, representing an estimated gain of +54.04% since the filing period.
Major shareholders tracked on this page include Dodge & Cox Stock Fund, Greenhaven Associates, Yacktman Asset Management, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks institutional holding trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward AVANTOR INC (AVTR).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q2 2026 | 5 | $1,526,347,364 | 154,176,501 |
| Q1 2026 | 6 | $1,189,552,924 | 151,728,740 |
| Q4 2025 | 5 | $1,626,688,852 | 141,944,950 |
| Q3 2025 | 6 | $1,792,988,493 | 143,668,959 |
| Q2 2025 | 4 | $1,606,626,962 | 119,363,098 |
| Q1 2025 | 4 | $1,702,295,415 | 105,015,157 |
| Q4 2024 | 6 | $2,303,758,799 | 109,338,335 |
| Q3 2024 | 7 | $2,130,045,373 | 82,336,522 |
| Q2 2024 | 6 | $1,659,483,854 | 78,277,545 |
| Q1 2024 | 5 | $1,935,758,666 | 75,704,300 |
| Q4 2023 | 5 | $1,621,495,458 | 71,024,789 |
| Q3 2023 | 7 | $759,129,116 | 36,011,840 |
Related AVTR Institutional Insights:
- AVTR Overview
- AVTR Top Institutional Shareholders
- AVTR Institutional Ownership Changes
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- AVTR Insider Trading & SEC Form 4 Activity
- AVTR Articles
- Top Institutional Investor Stock Rankings