DOSSIER · 13F Holders · Q2 2026Healthcare · Laboratory Analytical Instruments
AVTR

AVANTOR INC

486 institutions still hold AVANTOR INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 05352A100·Laboratory Analytical Instruments·486 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$4.8B
visible holders
Holders
486
filers reporting
Concentration
24.72%
DODGE & COX #1
top holder share
AI Holders Summary · Q2 2026

486 institutions reported AVTR in Q2 2026. DODGE & COX leads at 24.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
DODGE & COX
CIK 0000200217
$1.2B120.0M0.62%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$696M70.3M0.01%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$310M31.3M0.01%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$305M30.8M0.01%Q2 2026
05
GREENHAVEN ASSOCIATES INC
CIK 0000846222
$244M24.6M2.82%Q2 2026
06
STATE STREET CORP
CIK 0000093751
$214M21.6M0.01%Q2 2026
07
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$202M20.4M0.04%Q2 2026
08
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$195M19.7M0.59%Q2 2026
09
Engine Capital Management, LP
CIK 0001665590
$155M19.8M18.72%Q1 2026
10
New Mountain Capital, L.L.C.
CIK 0001407718
$139M14.0M100.00%Q2 2026
11
Invesco Ltd.
CIK 0000914208
$137M13.9M0.01%Q2 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$131M13.2M0.01%Q2 2026
13
MARSHALL WACE, LLP
CIK 0001318757
$130M13.1M0.10%Q2 2026
14
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$116M14.8M0.08%Q1 2026
15
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$115M11.6M0.04%Q2 2026
16
BANK OF AMERICA CORP /DE/
CIK 0000070858
$109M11.0M0.01%Q2 2026
17
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$108M13.8M0.01%Q1 2026
18
EARNEST PARTNERS LLC
CIK 0001102578
$106M10.7M0.38%Q2 2026
19
LONDON CO OF VIRGINIA
CIK 0001259887
$104M10.5M0.59%Q2 2026
20
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$102M10.3M0.28%Q2 2026
Page 1 of 25
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Insiders at AVANTOR INC
Sokenu ClaudiusWalker CoreyLucier Gregory TSumme Gregory LMehra Sanjeev KSeverino MichaelMassaro Joseph RMakin Louise