QUEST DIAGNOSTICS INC

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DGX·74834L100·US·Common Stock·Healthcare - Diagnostics & Research-13D/G

DGX (QUEST DIAGNOSTICS INC) is held by 292 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($1.8B), VANGUARD CAPITAL MANAGEMENT LLC ($1.4B), PRICE T ROWE ASSOCIATES INC /MD/ ($1.2B). Net institutional sentiment: Mixed. In Q1 2026, 3 members of Congress and 142 funds bought DGX.

292

Holders

(26 Elite)

$18.1B

Total Value

49% (291)

Consensus

142 buying - 149 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)

Insider (Form 4)

Activist (13D/13G)

Congressional (STOCK Act)

Holder Quality

★★★★★

Elite

★★★★

Strong

★★★

Solid

★★

Below

★

Weak

Held by 292 funds

26 elite

Who's Trading

ActivistVAVanguard Capital Management7.5%Apr 30, 2026

ActivistVPVanguard Portfolio Management5.5%Apr 29, 2026

InsiderSSSAMAD SAMVest 108 shApr 20, 2026

InsiderGBGregg Vicky BVest 68 shApr 20, 2026

InsiderPPPlewman PatrickL 49 shApr 20, 2026

InsiderKKKUPPUSAMY KARTHIKL 39 shApr 20, 2026

CongressRohit KhannaBuy $1,001 - $15,000Feb 17, 2026

CongressDonald J. TrumpBuy $1,001 - $15,000Dec 17, 2025

CongressDonald J. TrumpBuy $1,001 - $15,000Dec 12, 2025

CongressJulie JohnsonSale $1,001 - $15,000Nov 3, 2025

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Top Holders

Top Holders (292)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	9.2M(-3.0%)	$1.8B	0.0%	+40.08%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	7.1M	$1.4B	0.0%	-0.44%	44
PRICE T ROWE ASSOCIATES INC /MD/	Increased	6.3M(+0.0%)	$1.2B	0.1%	+34.26%	38
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	6.1M	$1.2B	0.1%	-0.44%	44
STATE STREET CORP	Decreased	5.4M(-0.0%)	$1.1B	0.0%	+54.99%	0
Boston Partners	Increased	4M(+2.5%)	$786.7M	0.8%	+19.99%	46
JPMORGAN CHASE & CO	Decreased	3.8M(-7.2%)	$758.4M	0.0%	+32.72%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.1M(+1.9%)	$602.7M	0.0%	+105.69%	32
MORGAN STANLEY	Decreased	2.5M(-7.9%)	$486M	0.0%	+39.13%	0
EdgePoint Investment Group Inc.	Increased	2.2M(+35.1%)	$439.8M	3.5%	+10.25%	75
DIMENSIONAL FUND ADVISORS LP	Increased	1.9M(+0.9%)	$382.1M	0.1%	+56.43%	31
Grantham, Mayo, Van Otterloo & Co. LLC	Increased	1.9M(+3.7%)	$369M	0.9%	+92.51%	45
VICTORY CAPITAL MANAGEMENT INC	Decreased	1.8M(-13.2%)	$361.8M	0.2%	+106.22%	0
WELLS FARGO & COMPANY/MN	Decreased	1.8M(-0.4%)	$345.5M	0.1%	+62.75%	0
BANK OF AMERICA CORP /DE/	Increased	1.8M(+8.0%)	$343.5M	0.0%	+26.57%	34
Invesco Ltd.	Decreased	1.6M(-1.7%)	$321.1M	0.0%	+51.35%	0
DAVIS SELECTED ADVISERS	Increased	1.6M(+1.8%)	$317.1M	1.5%	+81.74%	50
GOLDMAN SACHS GROUP INC	Decreased	1.3M(-21.1%)	$264.3M	0.0%	+23.87%	0
NORTHERN TRUST CORP	Increased	1.1M(+3.3%)	$218.4M	0.0%	+108.63%	32
FMR LLC	Decreased	942,218(-21.6%)	$184.7M	0.0%	+35.36%	0

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

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer