AVTR
Avantor, Inc.
NYSE · Healthcare · Medical - Instruments & Supplies · US
$14.97
−1.45%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+64.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 20, 2026 | Ligner Emmanuel · director, officer: President and CEO | F-InKind | 29,803 | $13 |
| Aug 18, 2026 | Hankamer Brittany · officer: EVP, Chief HR Officer | F-InKind | 181 | $14 |
| Aug 4, 2026 | Eck Steven W · officer: SVP & Chief Accounting Officer | F-InKind | 1,385 | $14 |
| Jul 27, 2026 | Sokenu Claudius · officer: EVP, Chief Legal & Compliance | F-InKind | 1,201 | $11 |
| Jun 22, 2026 | Walker Corey · officer: President, VWR Dist. & Servs. | F-InKind | 3,010 | $9.58 |
| May 11, 2026 | SEVERINO MICHAEL · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | Dingemans Simon · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | MEHRA SANJEEV K · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | LUCIER GREGORY T · director | Purchase | 10,000 | $8.32 |
| May 11, 2026 | SUMME GREGORY L · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | Makin Louise · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | Murthy Mala · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | LUCIER GREGORY T · director | A-Award | 25,270 | $0.00 |
| May 11, 2026 | Massaro Joseph R · director | A-Award | 25,270 | $0.00 |
| May 5, 2026 | Brellier Ludovic · officer: EVP, Bioscience & Medtech | A-Award | 246,002 | $8.76 |
| May 5, 2026 | Brellier Ludovic · officer: EVP, Bioscience & Medtech | A-Award | 146,566 | $0.00 |
| May 5, 2026 | Dingemans Simon · director | Purchase | 25,000 | $8.14 |
| Apr 6, 2026 | Eck Steven W · officer: SVP & Chief Accounting Officer | A-Award | 31,645 | $0.00 |
| Mar 11, 2026 | MEHRA SANJEEV K · director | Purchase | 125,000 | $8.01 |
| Feb 25, 2026 | Hankamer Brittany · officer: EVP, Chief HR Officer | F-InKind | 359 | $9.11 |
| Feb 25, 2026 | Eck Steven W · officer: SVP & Chief Accounting Officer | F-InKind | 452 | $9.11 |
| Feb 25, 2026 | Sokenu Claudius · officer: EVP, Chief Legal & Compliance | F-InKind | 2,376 | $8.89 |
| Feb 25, 2026 | Gourdier Benoit · officer: EVP, Bioscience & Medtech | F-InKind | 3,029 | $8.89 |
| Feb 25, 2026 | Jones R. Brent · officer: EVP, Chief Financial Officer | F-InKind | 2,805 | $8.89 |
| Feb 25, 2026 | Eck Steven W · officer: SVP & Chief Accounting Officer | F-InKind | 2,017 | $8.89 |
| Feb 25, 2026 | Hankamer Brittany · officer: EVP, Chief HR Officer | F-InKind | 1,324 | $8.89 |
| Feb 23, 2026 | Gourdier Benoit · officer: EVP, Bioscience & Medtech | A-Award | 134,364 | $0.00 |
| Feb 23, 2026 | Sokenu Claudius · officer: EVP, Chief Legal & Compliance | A-Award | 80,618 | $0.00 |
| Feb 23, 2026 | Blenn Mary · officer: EVP, Chief Operating Officer | A-Award | 235,993 | $0.00 |
| Feb 23, 2026 | Gourdier Benoit · officer: EVP, Bioscience & Medtech | A-Award | 528,848 | $11 |
Institutional positioning
13F filings over the trailing two quarters
New 189Increased 355Reduced 247Sold out 67
| Filer | Action | Shares | Filed |
|---|---|---|---|
| DODGE & COX | Increased | 120,020,974 | Aug 13, 2026 |
| DODGE & COX | Increased | 119,648,329 | May 14, 2026 |
| BlackRock, Inc. | Increased | 70,281,231 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 65,703,554 | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 31,343,250 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 31,275,847 | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 30,802,835 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 30,606,112 | May 15, 2026 |
| GREENHAVEN ASSOCIATES INC | Increased | 24,637,310 | Jul 28, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 24,224,156 | May 15, 2026 |
| GREENHAVEN ASSOCIATES INC | Increased | 22,593,838 | Apr 6, 2026 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | Reduced | 22,358,399 | May 13, 2026 |
| STATE STREET CORP | Increased | 21,572,974 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 20,721,079 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 20,412,181 | Aug 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 20, 2026