Avantor, Inc. AVTR
We take great care to ensure that the data presented and summarized in this overview for Avantor, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding AVTR
View all-
Dodge & Cox San Francisco, CA117MShares$1.49 Billion0.95% of portfolio
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Vanguard Group Inc Valley Forge, PA64.9MShares$821 Million0.01% of portfolio
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T. Rowe Price Investment Management, Inc. Baltimore, MD56.5MShares$715 Million0.48% of portfolio
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Black Rock Inc. New York, NY44MShares$557 Million0.02% of portfolio
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Barrow Hanley Mewhinney & Strauss LLC Dallas, TX31.2MShares$395 Million1.49% of portfolio
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State Street Corp Boston, MA23.5MShares$297 Million0.01% of portfolio
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Invesco Ltd. Atlanta, GA15.9MShares$202 Million0.04% of portfolio
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Manufacturers Life Insurance Company, The Toronto, A615.9MShares$201 Million0.2% of portfolio
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New Mountain Vantage Advisers, L.L.C. New York, NY14MShares$177 Million10.05% of portfolio
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Clarkston Capital Partners, LLC Bloomfield Hills, MI14MShares$177 Million4.03% of portfolio
Latest Institutional Activity in AVTR
Top Purchases
Top Sells
About AVTR
Avantor, Inc. provides products and services to customers in biopharma, healthcare, education and government, advanced technologies, and applied materials industries in the Americas, Europe, Asia, the Middle East, and Africa. The company offers materials and consumables, such as purity chemicals and reagents, lab products and supplies, formulated silicone materials, customized excipients, customized single-use assemblies, process chromatography resins and columns, analytical sample prep kits, education and microbiology products, clinical trial kits, peristaltic pumps, and fluid handling tips. It also provides equipment and instrumentation products, including filtration systems, virus inactivation systems, incubators, analytical instruments, evaporators, ultra-low-temperature freezers, biological safety cabinets, and critical environment supplies. In addition, the company offers services and specialty procurements comprising onsite lab and production, clinical, equipment, procurement and sourcing, and biopharmaceutical material scale-up and development services. Avantor, Inc. was founded in 1904 and is headquartered in Radnor, Pennsylvania.
Insider Transactions at AVTR
Insider Transaction List
View allDate | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
---|---|---|---|---|---|
Aug 14
2025
|
Brittany Hankamer EVP, Chief HR Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
181
-0.11%
|
$2,172
$12.98 P/Share
|
Aug 08
2025
|
Christophe Couturier EVP, AMEA |
BUY
Grant, award, or other acquisition
|
Direct |
65,217
+23.59%
|
-
|
Aug 05
2025
|
Steven W Eck SVP & Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
3,476
-5.94%
|
$38,236
$11.39 P/Share
|
Jul 31
2025
|
Steven W Eck SVP & Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,385
-2.31%
|
$18,005
$13.44 P/Share
|
Jul 24
2025
|
Claudius Sokenu EVP, Chief Legal & Compliance |
SELL
Payment of exercise price or tax liability
|
Direct |
3,123
-1.73%
|
$43,722
$14.01 P/Share
|
Jun 21
2025
|
Corey Walker President Laboratory Solutions |
SELL
Payment of exercise price or tax liability
|
Direct |
2,730
-1.17%
|
$35,490
$13.57 P/Share
|
May 23
2025
|
Gregory L Summe Director |
BUY
Open market or private purchase
|
Indirect |
30,000
+23.08%
|
$360,000
$12.5 P/Share
|
May 22
2025
|
Gregory L Summe Director |
BUY
Open market or private purchase
|
Indirect |
20,000
+22.22%
|
$240,000
$12.65 P/Share
|
May 21
2025
|
Michael Stubblefield President & CEO |
BUY
Bona fide gift
|
Indirect |
76,000
+12.23%
|
-
|
May 21
2025
|
Michael Stubblefield President & CEO |
SELL
Bona fide gift
|
Direct |
76,000
-5.87%
|
-
|
May 09
2025
|
Claudius Sokenu EVP, Chief Legal & Compliance |
BUY
Grant, award, or other acquisition
|
Direct |
122,149
+40.4%
|
-
|
May 09
2025
|
Steven W Eck SVP & Chief Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
20,358
+25.36%
|
-
|
May 09
2025
|
Corey Walker President Laboratory Solutions |
BUY
Grant, award, or other acquisition
|
Direct |
162,866
+41.04%
|
-
|
May 09
2025
|
Benoit Gourdier EVP, Bioscience Production |
BUY
Grant, award, or other acquisition
|
Direct |
162,866
+40.74%
|
-
|
May 09
2025
|
R. Brent Jones EVP, Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
162,866
+37.65%
|
-
|
May 09
2025
|
Christophe Couturier EVP, AMEA |
BUY
Grant, award, or other acquisition
|
Direct |
61,074
+29.65%
|
-
|
May 09
2025
|
Brittany Hankamer EVP, Chief HR Officer |
BUY
Grant, award, or other acquisition
|
Direct |
122,149
+41.56%
|
-
|
May 08
2025
|
Joseph R Massaro Director |
BUY
Grant, award, or other acquisition
|
Direct |
17,100
+24.7%
|
-
|
May 08
2025
|
Gregory L Summe Director |
BUY
Grant, award, or other acquisition
|
Direct |
17,100
+22.74%
|
-
|
May 08
2025
|
John Carethers Director |
BUY
Grant, award, or other acquisition
|
Direct |
17,100
+27.16%
|
-
|
Last 12 Months Summary
Grant, award, or other acquisition | 1.38M shares |
---|---|
Bona fide gift | 76K shares |
Open market or private purchase | 121K shares |
Payment of exercise price or tax liability | 55.1K shares |
---|---|
Bona fide gift | 76K shares |
Open market or private sale | 17.5K shares |