DGXQuest Diagnostics

$245.03

Who owns DGX

1,033 institutions reported holding DGX for 2026Q1, together 91% of the company, more than the 1,027 a quarter earlier.

1,033

Institutions reporting a position · as of 2026Q1 · up from 1,027 the quarter before

Shares held by institutions
101.5M

Shares held by institutions · 91% of the company · long US equity positions only, as reported on Form 13F

Reported value
$19.9B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
35%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
109
Positions exited
109
Added to
307
Reduced
344
Top 10 holdersof the company
47%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q11,033101.5M$19.9B
2025Q41,027106.1M$18.4B
2025Q3984103.9M$19.8B
2025Q2968106.4M$19.1B
2025Q1947102.4M$17.3B
2024Q488098.9M$14.9B
2024Q383497.8M$15.1B
2024Q282697.0M$13.3B
2024Q180498.9M$13.1B
2023Q481097.3M$13.4B
2023Q377898.3M$12.0B
2023Q280399.4M$14.0B
2023Q181999.7M$14.1B
2022Q486798.8M$15.4B
2022Q3796102.4M$12.6B
2022Q2837103.5M$13.8B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC14.4M13%$2.82B
BlackRock Inc.9.2M8.2%$1.80B
PRICE T ROWE ASSOCIATES INC /MD/6.3M5.6%$1.23B
STATE STREET CORP5.4M4.8%$1.05B
Robeco Investment Management, Inc.4.0M3.6%$787M
JPMORGAN CHASE & CO3.8M3.4%$758M
GEODE CAPITAL MANAGEMENT LLC3.1M2.8%$603M
MORGAN STANLEY2.5M2.2%$486M
EdgePoint Investment Group Inc.2.2M2.0%$440M
DIMENSIONAL FUND ADVISORS LP1.9M1.7%$382M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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