EdgePoint Investment Group Inc.

Position in DGX — Quest Diagnostics Inc

CIK 1481669 TORONTO, A6

Position in DGX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$439,753,446

+$151,507,622 QoQ

Shares Held

2,243,869

+35.1% QoQ

Ownership

2.03%

of shares outstanding

% of Portfolio

3.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

4 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

EdgePoint Investment Group Inc. holds $2,409,819,045 across 4 Diagnostics & Research names. DGX ranks #3 (18.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	1,918,997	$943,244,595
2	RVTY	Revvity, Inc.	8,800,863	$771,043,607
3	DGX	Quest Diagnostics Inc This page	2,243,869	$439,753,446
4	TWST	Twist Bioscience Corp	5,382,521	$255,777,397

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$439,753,446	2,243,869	+35.1%	Shares	Sole	2026-05-15
2025-12-31	$288,245,824	1,661,072	+95.5%	Shares	Sole	2026-02-17
2025-09-30	$161,945,736	849,752	+66757.0%	Shares	Sole	2025-11-14
2025-06-30	$228,309	1,271	—	Shares	Sole	2025-08-14
No filing history on record for this holder in this stock.