Avantor
AVTR · NYSE
$16.62+$0.33 (+2.03%)TodayMarket closed ·
Prev close $16.29
Who owns AVTR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 53.1% of AVTR’s shares.
- Dodge & Cox17.7%
- BlackRock Institutional Trust Company, N.A.8.4%
- Vanguard Portfolio Management, LLC4.6%
- Vanguard Capital Management, LLC4.6%
- Next 6 largest institutions17.8%
- All other shareholders46.9%
| Holder | Shares | % of shares |
|---|---|---|
| Dodge & Cox | 120.02M | 17.75% |
| BlackRock Institutional Trust Company, N.A. | 56.80M | 8.40% |
| Vanguard Portfolio Management, LLC | 31.34M | 4.63% |
| Vanguard Capital Management, LLC | 30.80M | 4.55% |
| Greenhaven Associates, Inc. | 24.64M | 3.64% |
| State Street Investment Management (US) | 21.57M | 3.19% |
| Dimensional Fund Advisors, L.P. | 20.41M | 3.02% |
| Engine Capital Management, LP | 19.86M | 2.94% |
| Barrow Hanley Global Investors | 19.74M | 2.92% |
| New Mountain Capital, LLC | 14.00M | 2.07% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Dodge & Cox Stock Fund | 74.87M | 11.07% |
| iShares Core S&P Mid-Cap ETF | 23.90M | 3.53% |
| Vanguard Total Stock Market Index Fund | 21.75M | 3.22% |
| Vanguard Small-Cap Index Fund | 15.69M | 2.32% |
| Bridge Builder Large Cap Value Fund | 10.91M | 1.61% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $286.70K (2 trades) of AVTR on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Garner Todd W | Award | 138.63K | — |
| Garner Todd W | Award | 49.69K | — |
| Ligner Emmanuel | Tax withholding | 29.80K | $397.27K |
| Hankamer Brittany | Tax withholding | 181 | $2.47K |
| Eck Steven W | Tax withholding | 1.39K | $19.09K |
| Sokenu Claudius | Tax withholding | 1.20K | $13.74K |
| Walker Corey | Tax withholding | 3.01K | $28.84K |
| LUCIER GREGORY T | Buy | 10.00K | $83.20K |
| Murthy Mala | Award | 25.27K | — |
| Dingemans Simon | Award | 25.27K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 39.35M
- Days to cover
- 4.16
- % of shares outstanding
- 5.82%
- Average daily volume
- 9.47M
- Change since last report
- −23.4%
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