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 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 $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

Custom Index Systems's DGX Position: Q1 2026 in Review

Custom Index Systems reduced its Quest Diagnostics (DGX) stake by 3.5% in Q1 2026, selling an estimated $52.1K and leaving 7,437 shares worth $1.46M. The position accounts for 0.63% of the portfolio, ranked #37.

Custom Index Systems first reported a position in DGX in Q1 2024 and has held it in 9 quarters since. The position peaked at $2.22M in Q3 2025. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

Custom Index Systems held 7,437 shares of Quest Diagnostics worth $1.46M as of Q1 2026.
Custom Index Systems sold 268 Quest Diagnostics shares in Q1 2026, an estimated $52.1K.
Quest Diagnostics made up 0.63% of Custom Index Systems's portfolio in Q1 2026, its #37 holding.
Custom Index Systems first reported a position in Quest Diagnostics in Q1 2024 and has held it in 9 quarters since.
Custom Index Systems's Quest Diagnostics position peaked at $2.22M in Q3 2025.
1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Custom Index Systems's 13F filing for Q1 2026, filed 29 Apr 2026.