DGX — QUEST DIAGNOSTICS INC

US Healthcare Healthcare providers equity mkt cap 26.6B
244.39 +1.28% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 173.49 · high 244.39

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day+1.28%
1 week+4.26%
1 month+7.24%
3 months+26.09%
6 months+20.74%
Year to date+40.62%
1 year+32.53%
3 years+84.64%
5 years+64.88%

Technicals

RSI 1478.1
vs 50-day avg+11.44%
vs 200-day avg+23.32%
Volatility 1y23.7%
Max drawdown 1y-11.94%
Avg volume 30d1.0M
Daily bars held2,674
History from2016-01-04

Dividends

Yield (trailing 12m)1.71%
Paid last 12m4.1800
Payments in 12m5
Paying since2016-01-08

Measured signals that fired on DGX

datesignal measured base rate
2026-08-06Breakout to a 52-week high
price
-1.00% over 21 days · t = -8.58 · n = 24,386
statistically distinguishable from its control group
2026-07-17Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-07-07Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-06-29Breakout to a 52-week high
price
-1.00% over 21 days · t = -8.58 · n = 24,386
statistically distinguishable from its control group
2026-06-05Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-04-21Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-07-28DELANEY MARK E
SVP & Chief Commercial Officer
Open-market sale 10b5-1 plan1.6K235.18376.3K
2026-07-22SAMAD SAM
Executive Vice President & CFO
Grant or award102206.8121.1K
2026-07-22Gregg Vicky B
Director
Grant or award72206.8114.9K
2026-07-22Plewman Patrick
SVP for Diagnostic Services
Small Acquisition46206.819.5K
2026-07-22KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Small Acquisition37206.817.7K
2026-07-22DELANEY MARK E
SVP & Chief Commercial Officer
Small Acquisition34206.817.0K
2026-07-22MAIN TIMOTHY L
Director
Small Acquisition21206.814.3K
2026-07-22CARTER ROBERT B
Director
Small Acquisition11206.802.3K
2026-07-22Lassiter Wright III
Director
Small Acquisition6206.811.2K
2026-06-04KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Open-market sale 10b5-1 plan8.1K200.001.6M

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.1.8B9.2M
VANGUARD CAPITAL MANAGEMENT LLC1.4B7.1M
VANGUARD PORTFOLIO MANAGEMENT LLC1.2B6.1M
STATE STREET CORP1.1B5.4M
Boston Partners786.7M4.0M
JPMORGAN CHASE & CO758.4M3.8M
GEODE CAPITAL MANAGEMENT, LLC602.7M3.1M
MORGAN STANLEY486.0M2.5M
EdgePoint Investment Group Inc.439.8M2.2M
DIMENSIONAL FUND ADVISORS LP382.1M1.9M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d62.5% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

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