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Quest Diagnostics Inc

DGX
Exchange
NYSE
Industry
Services-Medical Laboratories
SEC CIK
0001022079

In the last 90 days, Quest Diagnostics Inc insiders filed 0 open-market purchases and 3 sales; 1,112 institutions reported holding it in 13F filings for Q2 2026, worth $22.2B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Quest Diagnostics Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,112
+52 vs. Q1 2026
Shares held
104.9M
+2.36M (+2.3%) vs. Q1 2026
Total value
$22.2B
+$2.12B (+10.6%) vs. Q1 2026
New holders
122
429 more added
Sold out
70
354 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting DGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,112 institutions
Q1 2021: 818 institutionsQ2 2021: 816 institutionsQ3 2021: 840 institutionsQ4 2021: 906 institutionsQ1 2022: 852 institutionsQ2 2022: 853 institutionsQ3 2022: 809 institutionsQ4 2022: 881 institutionsQ1 2023: 837 institutionsQ2 2023: 820 institutionsQ3 2023: 797 institutionsQ4 2023: 829 institutionsQ1 2024: 818 institutionsQ2 2024: 839 institutionsQ3 2024: 849 institutionsQ4 2024: 896 institutionsQ1 2025: 969 institutionsQ2 2025: 991 institutionsQ3 2025: 1,006 institutionsQ4 2025: 1,050 institutionsQ1 2026: 1,069 institutionsQ2 2026: 1,112 institutions
Value heldQ2 2026: $22.2B
Q1 2021: $14.8BQ2 2021: $15.0BQ3 2021: $15.9BQ4 2021: $18.0BQ1 2022: $14.4BQ2 2022: $13.8BQ3 2022: $12.6BQ4 2022: $15.5BQ1 2023: $14.2BQ2 2023: $14.0BQ3 2023: $12.0BQ4 2023: $13.5BQ1 2024: $13.2BQ2 2024: $13.3BQ3 2024: $15.2BQ4 2024: $15.0BQ1 2025: $17.5BQ2 2025: $19.3BQ3 2025: $20.0BQ4 2025: $18.4BQ1 2026: $20.1BQ2 2026: $22.2B
Institutions holding DGX and their total value by quarter
QuarterHoldersValue
Q2 20261,112$22.2B
Q1 20261,069$20.1B
Q4 20251,050$18.4B
Q3 20251,006$20.0B
Q2 2025991$19.3B
Q1 2025969$17.5B
Q4 2024896$15.0B
Q3 2024849$15.2B
Q2 2024839$13.3B
Q1 2024818$13.2B
Q4 2023829$13.5B
Q3 2023797$12.0B
Q2 2023820$14.0B
Q1 2023837$14.2B
Q4 2022881$15.5B
Q3 2022809$12.6B
Q2 2022853$13.8B
Q1 2022852$14.4B
Q4 2021906$18.0B
Q3 2021840$15.9B
Q2 2021816$15.0B
Q1 2021818$14.8B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2026.

Institutions holding DGX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Evolution Advisers, Inc.1$00.00%+1New
Navigoe, LLC4$00.00%+4New
Darwin Advisors, LLC0$1250.00%0New
Kingdom Financial Group LLC.1$1330.00%00.0%Unchanged
Raffa Wealth Management, LLC1$2120.00%−6−85.7%Reduced
NorthAvenue LLC1$2120.00%00.0%Unchanged
IMA Wealth, Inc.1$2120.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC1$2120.00%+1New
Maryland Capital Advisors Inc.1$2120.00%+1New
Trifecta Capital Advisors, LLC1$2120.00%+1New
Tidemark, LLC1$2120.00%+1New
Halbert Hargrove Global Advisors, LLC2$3650.00%+2New
American Capital Advisory, LLC2$4240.00%−1−33.3%Reduced
Redwood Park Advisors LLC2$4240.00%00.0%Unchanged
Copia Wealth Management2$4240.00%00.0%Unchanged
Strengthening Families & Communities, LLC2$4240.00%+2New
WestEnd Advisors, LLC3$6360.00%00.0%Unchanged
Seneschal Advisors, LLC3$6360.00%00.0%Unchanged
Motco3$6360.00%+3New
Westfuller Advisors, LLC3$6380.00%00.0%Unchanged
DecisionPoint Financial, LLC3$6490.00%−12−80.0%Reduced
Retirement Wealth Solutions LLC4$8480.00%−3−42.9%Reduced
IAG Wealth Partners, LLC4$8480.00%00.0%Unchanged
Activest Wealth Management4$8480.00%+4New
Penserra Capital Management LLC9$1.00K0.00%−6,252−99.9%Reduced
Logan Capital Management Inc5$1.06K0.00%+5New
Crewe Advisors LLC5$1.06K0.00%+5New
Ameriflex Group, Inc.5$1.06K0.00%+5New
NBT Bank N A6$1.27K0.00%00.0%Unchanged
Marquette Asset Management, LLC6$1.27K0.00%00.0%Unchanged
Planning Strategies Inc.6$1.27K0.00%+6New
Nemes Rush Group LLC7$1.48K0.00%00.0%Unchanged
Essential Partners LLC7$1.48K0.00%00.0%Unchanged
1015 Capital Partners, LLC7$1.48K0.00%+1+16.7%Added
Burk Holdings LLC8$1.70K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC8$1.70K0.00%+1+14.3%Added
Raleigh Capital Management Inc.8$1.70K0.00%−17−68.0%Reduced
Jackson, Grant Investment Advisers, Inc.9$1.91K0.00%00.0%Unchanged
Mascoma Wealth Management LLC9$1.91K0.00%00.0%Unchanged
Solstein Capital, LLC9$1.91K0.00%00.0%Unchanged
South State Corp.9$1.91K0.00%+3+50.0%Added
Bellevue Asset Management, LLC10$2.12K0.00%+10New
Financial Consulate, Inc10$2.12K0.00%00.0%Unchanged
Hilton Head Capital Partners, LLC10$2.12K0.00%00.0%Unchanged
Bayban10$2.12K0.00%00.0%Unchanged
JDM Financial Group LLC11$2.33K0.00%00.0%Unchanged
Asset Dedication, LLC11$2.33K0.00%−173−94.0%Reduced
Valued Wealth Advisors LLC11$2.33K0.00%00.0%Unchanged
Torren Management, LLC12$2.59K0.00%00.0%Unchanged
Boyd Watterson Asset Management LLC13$2.75K0.00%00.0%Unchanged
HFM Investment Advisors, LLC13$2.76K0.00%+7+116.7%Added
Bogart Wealth, LLC13$2.86K0.00%−1−7.1%Reduced
Leonteq Securities AG14$2.97K0.00%−37−72.5%Reduced
Aspect Partners, LLC14$2.97K0.00%00.0%Unchanged
Commonwealth Retirement Investments LLC15$3.08K0.00%+15New
RMG Wealth Management LLC13$3.09K0.00%00.0%Unchanged
Highline Wealth Partners LLC15$3.18K0.00%+15New
Adirondack Trust Co16$3.39K0.00%00.0%Unchanged
FWL Investment Management, LLC17$3.60K0.00%−2,583−99.3%Reduced
Arlington Trust Co LLC17$3.60K0.00%00.0%Unchanged
Bare Financial Services, Inc17$3.60K0.00%00.0%Unchanged
Clark Wealth Partners17$3.60K0.00%00.0%Unchanged
Talon Private Wealth, LLC18$3.74K0.00%+18New
Cornerstone Financial Management LLC18$3.81K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.18$3.81K0.00%+18New
UMA Financial Services, Inc.18$3.82K0.00%+13+260.0%Added
TSFG, LLC21$4.00K0.00%+21New
Hughes Financial Services, LLC19$4.03K0.00%+9+90.0%Added
DiNuzzo Private Wealth, Inc.19$4.03K0.00%00.0%Unchanged
Entrust Financial LLC21$4.45K0.00%00.0%Unchanged
Rialto Wealth Management, LLC21$4.45K0.00%+6+40.0%Added
Anchor Investment Management, LLC21$4.45K0.00%+21New
Sunrise Financial Services, LLC21$4.51K0.00%00.0%Unchanged
Triumph Capital Management22$4.66K0.00%00.0%Unchanged
Creative Capital Management Investments LLC24$5.09K0.00%+24New
Bay Harbor Wealth Management, LLC25$5.30K0.00%+7+38.9%Added
Clear Street Markets LLC26$5.51K0.00%−298−92.0%Reduced
Newbridge Financial Services Group, Inc.26$5.51K0.00%00.0%Unchanged
JNBA Financial Advisors26$5.51K0.00%+11+73.3%Added
NBH Bank26$5.51K0.00%+26New
Prosperity Bancshares Inc27$5.72K0.00%00.0%Unchanged
Kilter Group LLC27$5.72K0.00%+13+92.9%Added
Meeder Asset Management Inc28$5.93K0.00%−154−84.6%Reduced
Aventura Private Wealth, LLC28$5.93K0.00%+22+366.7%Added
CBIZ Investment Advisory Services, LLC31$6.08K0.00%00.0%Unchanged
Park Square Financial Group, LLC29$6.15K0.06%−6−17.1%Reduced
TFC Financial Management29$6.15K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.29$6.15K0.00%+18+163.6%Added
Cetera Trust Company, N.A30$6.36K0.00%00.0%Unchanged
Harbor Asset Planning, Inc.32$6.82K0.01%00.0%Unchanged
Cedar Mountain Advisors, LLC33$6.99K0.00%00.0%Unchanged
ZRC Wealth Management, LLC34$7.21K0.00%00.0%Unchanged
Ares Financial Consulting, LLC38$8.05K0.01%00.0%Unchanged
High Note Wealth, LLC38$8.05K0.00%+7+22.6%Added
Westside Investment Management, Inc.39$8.27K0.00%00.0%Unchanged
Quarry LP40$8.48K0.00%−20−33.3%Reduced
Basepoint Wealth LLC40$8.48K0.00%00.0%Unchanged
McGuire Capital Advisors Inc40$8.48K0.00%00.0%Unchanged
St Germain D J Co Inc41$8.69K0.00%00.0%Unchanged
Signature Equity Partners, LLC43$9.16K0.00%+1+2.4%Added