True North Advisors, LLC

Position in DGX — Quest Diagnostics Inc

CIK 1634556 Dallas, TX

Position in DGX

as of Jun 30, 2026 · filed Jul 22, 2026 Compact

Position Value

$402,069

+$102,220 QoQ

Shares Held

1,897

+24.0% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#668

of 1,090 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

True North Advisors, LLC holds $2,349,844 across 4 Diagnostics & Research names. DGX ranks #4 (17.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IDXX	Idexx Laboratories Inc /De	1,382	$727,540
2	MTD	Mettler Toledo International Inc/	496	$633,644
3	TMO	Thermo Fisher Scientific Inc.	1,170	$586,591
4	DGX	Quest Diagnostics Inc This page	1,897	$402,069

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$402,069	1,897	+24.0%	Shares	Sole	2026-07-22
2026-03-31	$299,849	1,530	-2.4%	Shares	Sole	2026-05-07
2025-12-31	$272,095	1,568	+0.9%	Shares	Sole	2026-01-22
2025-09-30	$296,161	1,554	+4.1%	Shares	Sole	2025-10-14
2025-06-30	$268,187	1,493	+0.3%	Shares	Sole	2025-07-16
2025-03-31	$251,769	1,488	0.0%	Shares	Sole	2025-05-12
2024-12-31	$224,479	1,488	—	Shares	Sole	2025-01-17
No filing history on record for this holder in this stock.