Avantor, Inc. (AVTR)
NYSE: AVTR · Laboratory Analytical Instruments · Radnor, PA · filing with the SEC since 2017
Grade4.4
◀ Past 5.2● Present 4.6▶ Future 3.3
Who owns Avantor, Inc.
As filed with the SECHolders of 5% or more
3
Dodge & Cox holds 17.2% of Common Stock, as its SCHEDULE 13G/A filed Aug 13, 2025 says.
Directors and officers
18
report now, of 50 people on the record since 2019. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Dodge & Cox
SCHEDULE 13G/A · filed Aug 13, 2025 · Common Stock · 14.6% in Feb 13, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 17, 2025 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Nov 14, 2025 · COMMON STOCK · reported falling below 5%, from 8.3% in Aug 14, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What AVTR reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Avantor Inc
An entity · legal entity · owns, named in the 10-K filed Feb 11, 2026
Ritter GmbH
A company bought · acquisition · owns, named in the 10-K filed Feb 11, 2026
116 subsidiaries in 41 countries, from the list filed with the 10-K filed Feb 11, 2026.
Insider tradesForm 4
0sales
7purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$7.6Mbought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 65 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Lucier Gregory T | director | 0 | $0 | 0 | 2 | $500,000 |
| Mehra Sanjeev K | director | 0 | $0 | 0 | 2 | $4.9M |
| Ligner Emmanuel | President and CEO | 0 | $0 | 0 | 1 | $1.0M |
| Dingemans Simon | director | 0 | $0 | 0 | 1 | $200,000 |
| Summe Gregory L | director | 0 | $0 | 0 | 1 | $900,000 |