Avantor Ownership & Insider Activity

Avantor (AVTR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.1% of shares outstanding. Institutional investors hold 70.9%.

Shares Outstanding

676.359M

Shares Float

557.065M

Insider Shares Owned

7.735M

Insider % Owned

1.1%

Institutional Shares Held

479.209M

Institutional % Held

70.9%

Ownership Breakdown

Net Insider Activity by Month

Avantor Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 7, 2026	GREGORY LUCIER	DIRECTOR	BUY	35.270K	$8.32	$83K
May 1, 2026	Simon Dingemans	DIRECTOR	BUY	25.000K	$8.14	$204K

Date	Member	Party	Chamber	Action	Amount
Aug 13, 2025	Gilbert Ray Cisneros	D	House	Sale	$1,001 - $15,000
Aug 12, 2025	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Jul 23, 2025	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Jun 17, 2025	Lisa McClain	R	House	Sale (Partial)	$1,001 - $15,000
Jun 11, 2025	Lisa McClain	R	House	Purchase	$1,001 - $15,000
Sep 4, 2024	John James	R	House	Sale	$1,001 - $15,000
Nov 10, 2023	John James	R	House	Purchase	$1,001 - $15,000