AVANTOR INC

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AVTR·05352A100·US·Common Stock·Healthcare - Medical Instruments & Supplies-13D/G

AVTR (AVANTOR INC) is held by 186 institutional investors as of Q2 2026. Largest holders: DODGE & COX ($1.2B), BlackRock, Inc. ($695.8M), VANGUARD PORTFOLIO MANAGEMENT LLC ($310.3M). Net institutional sentiment: Mixed.

186

Holders

(12 Elite)

$5.6B

Total Value

56% (190)

Consensus

106 buying - 84 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)81

Insider (Form 4)70

Activist (13D/13G)85

Congressional (STOCK Act)80

Holder Quality

38

★★★★★

Elite

40

★★★★

Strong

46

★★★

Solid

84

★★

Below

41

★

Weak

Held by 186 funds

12 elite

Who's Trading

Source dates: Price Aug 31, 2026 · Insiders Aug 20, 2026 · Activists Apr 29, 2026 · Congress none

InsiderLELigner EmmanuelTax 30K shAug 18, 2026

InsiderHBHankamer BrittanyTax 181 shAug 14, 2026

InsiderLTLUCIER GREGORY TBuy $83KMay 8, 2026

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Top Holders

Top Holders (186)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
DODGE & COX	Increased	120M(+0.3%)	$1.2B	0.6%	-28.93%	45
BlackRock, Inc.	Increased	70.3M(+7.0%)	$695.8M	0.0%	-23.62%	34
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	31.3M(+0.2%)	$310.3M	0.0%	+85.87%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	30.8M(+0.6%)	$304.9M	0.0%	+85.66%	31
STATE STREET CORP	Increased	21.6M(+4.1%)	$213.6M	0.0%	-36.11%	32
DIMENSIONAL FUND ADVISORS LP	Increased	20.4M(+20.8%)	$202.1M	0.0%	+1.95%	36
BARROW HANLEY MEWHINNEY & STRAUSS LLC	Decreased	19.7M(-11.7%)	$195.4M	0.6%	-27.88%	0
Invesco Ltd.	Increased	13.9M(+72.0%)	$137.5M	0.0%	-7.04%	45
GEODE CAPITAL MANAGEMENT, LLC	Increased	13.2M(+2.2%)	$130.5M	0.0%	-33.46%	31
MWMARSHALL WACE, LLP	Increased	13.1M(+281.9%)	$130M	0.1%	+55.76%	58
AQR CAPITAL MANAGEMENT LLC	Increased	11.6M(+138.9%)	$115.1M	0.0%	+35.08%	49
BANK OF AMERICA CORP /DE/	Increased	11M(+55.5%)	$108.8M	0.0%	+12.79%	42
EARNEST PARTNERS LLC	Increased	10.7M(+78.4%)	$106.4M	0.4%	+22.66%	55
LONDON CO OF VIRGINIA	Decreased	10.5M(-3.4%)	$103.8M	0.6%	+16.83%	0
FULLER & THALER ASSET MANAGEMENT, INC.	Decreased	10.3M(-3.5%)	$101.5M	0.3%	+63.00%	0
DED. E. Shaw & Co., Inc.	Decreased	9.6M(-27.0%)	$94.8M	0.0%	+50.64%	0
SEI INVESTMENTS CO	Increased	7.9M(+50.3%)	$78.7M	0.1%	+3.06%	41
FMR LLC	Increased	7.8M(+3.1%)	$77.7M	0.0%	-11.20%	31
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	New	7.4M	$73.2M	0.6%	+47.27%	58
MORGAN STANLEY	Increased	6.8M(+10.8%)	$66.9M	0.0%	+1.63%	33

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer