By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Over the last 12 months, five Avantor, Inc. officers and board members picked up shares in open-market trades, about $8.7 million in total, and none of them sold.
Biggest single buyer: MEHRA SANJEEV K, Director, with roughly $3.9 million. That includes C-suite money, which tends to get the most attention.
On the institutional side, 459 funds reported holding AVTR at the end of Q2 2026, and more funds bought than sold. Members of Congress reported 5 trades in AVTR over the past two years (two members). No open-market insider buying or selling in the last full quarter. Insiders bought in 5 of the last 7 full quarters.
Are insiders buying or selling AVTR stock?
In the last 12 months Avantor, Inc. insiders made open-market purchases worth about $8.7 million and sales worth about $0. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in AVTR?
The most recent open-market insider trade in AVTR was filed on 2026-05-11.
How many institutions own AVTR?
459 investment managers reported holding AVTR in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded AVTR?
Yes. Members of Congress reported 5 trades in AVTR over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).