M&G plc’s Quest Diagnostics DGX Stock Holding History

M&G plc’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 Q2	$169M	Sell	795,650 -9,691	-1%	-$1.9M	0.84%	35
2026 Q1	$158M	Sell	805,341 -139,711	-15%	-$27.1M	0.82%	37
2025 Q4	$164M	Sell	945,052 -145,325	-13%	-$26.5M	0.84%	37
2025 Q3	$208M	Buy	1,090,377 +17,656	+2%	+$3.13M	1.11%	29
2025 Q2	$193M	Buy	1,072,721 +771,824	+257%	+$134M	1.06%	26
2025 Q1	$50.9M	Sell	300,897 -20,019	-6%	-$3.29M	0.24%	75
2024 Q4	$48.5M	Sell	320,916 -11,079	-3%	-$1.72M	0.3%	79
2024 Q3	$51.5M	Sell	331,995 -2,375	-0.7%	-$355K	0.19%	93
2024 Q2	$45.8M	Sell	334,370 -14,746	-4%	-$2.02M	0.18%	85
2024 Q1	$46.4M	Buy	+349,116	New	+$45.3M	0.18%	80

Other funds holding DGX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

M&G plc's DGX Position: Q2 2026 in Review

M&G plc reduced its Quest Diagnostics (DGX) stake by 1.2% in Q2 2026, selling an estimated $1.9M and leaving 795,650 shares worth $169M. The position accounts for 0.84% of the portfolio, ranked #35.

M&G plc first reported a position in DGX in Q1 2024 and has held it in 10 quarters since. The position peaked at $208M in Q3 2025. 1,105 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

M&G plc held 795,650 shares of Quest Diagnostics worth $169M as of Q2 2026.
M&G plc sold 9,691 Quest Diagnostics shares in Q2 2026, an estimated $1.9M.
Quest Diagnostics made up 0.84% of M&G plc's portfolio in Q2 2026, its #35 holding.
M&G plc first reported a position in Quest Diagnostics in Q1 2024 and has held it in 10 quarters since.
M&G plc's Quest Diagnostics position peaked at $208M in Q3 2025.
1,105 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on M&G plc's 13F filing for Q2 2026, filed 6 Aug 2026.