§ HEALTH CARE
USD · Health Care

DGX

QUEST DIAGNOSTICS INC
USDSector · Health CareMarket cap · $21.8BBeta · 0.66
LAST · MARKET CLOSE · OCT 05
232.25
−1.08 ▼ 0.46%PREV CLOSE · $233.33
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 232.94HIGH 233.65LOW 229.9652W 157.20 — 213.50
EVENTSSEP 03 · DJE SELLJUN 30 · EARNINGS +9.3%

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
557 increased/new, 364 decreased/exited (13F)
AC 13F Analysis
INSIDER
−$3M
2 txns · 90d

§ 04 · FUNDAMENTALS · THE BOOKS

P/E21.9P/B2.69
EPS (TTM)8.78Dividend1.76%
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
BlackRock, Inc.9.2M0.0%−3%
VANGUARD CAPITAL MANAGEMENT LLC7.1Mn/an/a
VANGUARD PORTFOLIO MANAGEMENT LLC6.1Mn/an/a
State Street5.4M0.0%−0%
Boston Partners4.0M0.8%+3%
JPMORGAN CHASE & CO3.8Mn/a−7%
◇ AC INTELLIGENCE

Top institutional owners for DGX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER45.8% · 854 holders
DEALER / BANK21.2% · 87 holders
PASSIVE / INDEX14.7% · 15 holders
QUALITY / COMPOUNDER9.7% · 34 holders
DEEP VALUE5.4% · 4 holders
INCOME / DEFENSIVE2.4% · 47 holders
SYSTEMATIC / QUANT0.9% · 14 holders
TACTICAL / MACRO0.6% · 5 holders
ACTIVIST0.1% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

DateInsiderActionShares$ value
SEP 03Davis J. E.SELL10K−$2M
AUG 31PREVOZNIK MICHAEL ESELL430−$105K
JUN 08KUPPUSAMY KARTHIKSELL8K−$2M
JUN 02Davis J. E.SELL10K−$2M
◇ AC INTELLIGENCE

0 insider buys, 4 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.

§ 08 · COVERAGE · OUR RECENT NOTES

No notes mention DGX yet.