Avantor, Inc.
AVTR- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001722482
No open-market purchases or sales by Avantor, Inc. insiders were filed in the last 90 days; 460 institutions reported holding it in 13F filings for Q2 2026, worth $6.92B in total; superinvestors Greenhaven Associates and Southeastern Asset Management (Longleaf) hold it.
Q3 2025 vs. Q2 2025
How the institutions holding Avantor, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 506 | 4 | 466 | −36 |
| Shares | 711.6M | 8.08M | 678.8M | −24.7M (−3.5%) |
| Value | $9.58B | $108.8M | $8.47B | −$1.00B (−10.6%) |
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (74)
Institutions that held Avantor, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
Sold out (110)
Institutions that held Avantor, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
Showing the largest 100 of 110 by value.
Not filed for Q3 2025 yet (4)
Institutions that held Avantor, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Norges Bank | 8,036,188 | $108.2M |
| CIBC World Markets Corp | 28,376 | $381.9K |
| Avantax Advisory Services, Inc. | 12,084 | $162.7K |
| First Horizon Advisors, Inc. | 4,544 | $61.2K |