Security · featured owners
AVTR Avantor Inc.
Health Care COM Equity as of 2026 Q2 among managers we track
- 5 Owners
- #242
- Max 2.8%
- Master 0.09%
- $1.6B
- 5 add 1 exit
AVTR (Avantor Inc.) is held in 5 featured 13F books as of 2026 Q2. Greenhaven Associates is the largest tracked holder by portfolio weight (2.8%). Figures are as-filed 13F, not free float.
Who owns this now
Largest portfolio weights among featured holders · max 2.8% (Greenhaven Associates) · not free-float ownership
holders
sorted by value · long equity only · current book 2026 Q2 · exits show last held size · open a manager for their book
| history | |||||
|---|---|---|---|---|---|
| Dodge & Cox 2026 Q2 | 0.62% | Add +0.3% | 120,020,974 | $1.2B | history |
| Greenhaven Associates 2026 Q2 | 2.8% | Add +9.0% | 24,637,310 | $244M | history |
| First Pacific Advisors 2026 Q2 | 1.0% | Add +1.3% | 8,190,740 | $81M | history |
| Don Yacktman - Yacktman Asset Management 2026 Q2 | 0.58% | Add +0.5% | 4,770,000 | $47M | history |
| Mason Hawkins - Southeastern Asset Management 2026 Q2 | 2.4% | Add +34.2% | 4,725,478 | $47M | history |
| Lee Ainslie - Maverick Capital exited 2026 Q2 last 2026 Q1 | 0.01% | Exit −0.01% | 100,814 | $790K | history |
SEC filings
Recent issuer filings from EDGAR · 12 shown · open Filing / Doc on SEC.gov
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K/A | 5.02,9.01 | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 1.01,2.03,9.01 | Filing Doc | |
| 8-K | 5.07,9.01 | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | Filing Doc | |
| 8-K/A | 5.02,9.01 | Filing Doc | |
| 8-K/A | 5.02,9.01 | Filing Doc |
No filings match this filter.
Insider forms
Form 3 / 4 / 5 from EDGAR · 11 rows shown
| Filed | Form | Detail | Links |
|---|---|---|---|
| 4 | Period Aug 18, 2026 | Filing Doc | |
| 4 | Period Aug 14, 2026 | Filing Doc | |
| 4 | Period Jul 31, 2026 | Filing Doc | |
| 4 | Period Jul 24, 2026 | Filing Doc | |
| 4 | Period Jun 21, 2026 | Filing Doc | |
| 4 | Period May 7, 2026 · 8 forms | Filing Doc | |
| 4 | Period May 1, 2026 · 2 forms | Filing Doc | |
| 4 | Period Apr 3, 2026 | Filing Doc | |
| 4 | Period Mar 10, 2026 | Filing Doc | |
| 4 | Period Feb 23, 2026 · 5 forms | Filing Doc | |
| 4 | Period Feb 19, 2026 · 3 forms | Filing Doc |
financials
US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing
Income statement
Balance sheet
ownership over time
filing count by report period · click a bar for that quarter’s holders