SUMMITRY LLC

Position in DGX — Quest Diagnostics Inc

CIK 1280043 Foster City, CA

Position in DGX

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$324,283

+$4,836 QoQ

Shares Held

1,530

-6.1% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#726

of 1,090 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

SUMMITRY LLC holds $158,422,973 across 5 Diagnostics & Research names. DGX ranks #4 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	A	Agilent Technologies, Inc.	666,332	$88,508,879
2	TMO	Thermo Fisher Scientific Inc.	135,659	$68,013,996
3	GH	Guardant Health, Inc.	8,863	$1,329,715
4	DGX	Quest Diagnostics Inc This page	1,530	$324,283
5	DHR	Danaher Corp /De/	1,292	$246,100

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$324,283	1,530	-6.1%	Shares	Sole	2026-07-21
2026-03-31	$319,447	1,630	-17.4%	Shares	Sole	2026-05-22
2025-12-31	$342,548	1,974	+20.4%	Shares	Sole	2026-02-09
2025-09-30	$312,551	1,640	—	Shares	Sole	2025-11-07
No filing history on record for this holder in this stock.