Picton Mahoney Asset Management’s Quest Diagnostics DGX Stock Holding History

Picton Mahoney Asset Management’s Portfolio DGX Stock Details DGX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.57M	Buy	8,030 +8,023	+114,614%	+$1.56M	0.01%	615
2025 Q4	$1.22K	Hold	7	–	–	﹤0.01%	1054
2025 Q3	$1K	Hold	7	–	–	﹤0.01%	908
2025 Q2	$1K	Hold	7	–	–	﹤0.01%	788
2025 Q1	$1K	Hold	7	–	–	﹤0.01%	762
2024 Q4	$1K	Hold	7	–	–	﹤0.01%	659
2024 Q3	$1K	Buy	+7	New	+$1.04K	﹤0.01%	650
2018 Q1	–	Sell	-99,700	Closed	-$9.82M	–	205
2017 Q4	$9.82M	Sell	99,700 -12,400	-11%	-$1.18M	0.7%	55
2017 Q3	$10.5M	Buy	112,100 +4,500	+4%	+$478K	0.79%	54
2017 Q2	$12M	Sell	107,600 -1,500	-1%	-$159K	0.85%	43
2017 Q1	$10.7M	Buy	+109,100	New	+$10.4M	0.72%	51
2013 Q4	–	Sell	-8,700	Closed	-$538K	–	357
2013 Q3	$538K	Buy	+8,700	New	+$521K	0.04%	222

Other funds holding DGX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

Picton Mahoney Asset Management's DGX Position: Q1 2026 in Review

Picton Mahoney Asset Management increased its Quest Diagnostics (DGX) stake by 114,614% in Q1 2026, buying an estimated $1.56M and bringing the position to 8,030 shares worth $1.57M. The position accounts for 0.01% of the portfolio, ranked #615.

Picton Mahoney Asset Management first reported a position in DGX in Q3 2013 and has held it in 12 quarters since. The position peaked at $12M in Q2 2017. 1,065 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

Picton Mahoney Asset Management held 8,030 shares of Quest Diagnostics worth $1.57M as of Q1 2026.
Picton Mahoney Asset Management bought 8,023 Quest Diagnostics shares in Q1 2026, an estimated $1.56M.
Quest Diagnostics made up 0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #615 holding.
Picton Mahoney Asset Management first reported a position in Quest Diagnostics in Q3 2013 and has held it in 12 quarters since.
Picton Mahoney Asset Management's Quest Diagnostics position peaked at $12M in Q2 2017.
1,065 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.