Custom Index Systems’s Quest Diagnostics DGX Stock Holding History

Custom Index Systems’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	$1.58M	Buy	7,451 +14	+0.2%	+$2.75K	0.57%	40
2026 Q1	$1.46M	Sell	7,437 -268	-3%	-$52.1K	0.63%	37
2025 Q4	$1.34M	Sell	7,705 -3,954	-34%	-$720K	0.59%	40
2025 Q3	$2.22M	Buy	11,659 +4,453	+62%	+$790K	0.66%	31
2025 Q2	$1.29M	Sell	7,206 -127	-2%	-$22.1K	0.62%	34
2025 Q1	$1.24M	Buy	7,333 +479	+7%	+$78.7K	0.63%	31
2024 Q4	$1.03M	Buy	6,854 +655	+11%	+$102K	0.56%	48
2024 Q3	$962K	Buy	6,199 +2,741	+79%	+$409K	0.52%	56
2024 Q2	$473K	Buy	3,458 +356	+11%	+$48.8K	0.27%	92
2024 Q1	$413K	Buy	+3,102	New	+$402K	0.23%	134

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

Custom Index Systems's DGX Position: Q2 2026 in Review

Custom Index Systems increased its Quest Diagnostics (DGX) stake by 0.19% in Q2 2026, buying an estimated $2.75K and bringing the position to 7,451 shares worth $1.58M. The position accounts for 0.57% of the portfolio, ranked #40.

Custom Index Systems first reported a position in DGX in Q1 2024 and has held it in 10 quarters since. The position peaked at $2.22M in Q3 2025. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

Custom Index Systems held 7,451 shares of Quest Diagnostics worth $1.58M as of Q2 2026.
Custom Index Systems bought 14 Quest Diagnostics shares in Q2 2026, an estimated $2.75K.
Quest Diagnostics made up 0.57% of Custom Index Systems's portfolio in Q2 2026, its #40 holding.
Custom Index Systems first reported a position in Quest Diagnostics in Q1 2024 and has held it in 10 quarters since.
Custom Index Systems's Quest Diagnostics position peaked at $2.22M in Q3 2025.
1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.