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Costello Asset Management’s Quest Diagnostics DGX Stock Holding History

Costello 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 		$19.6K Hold
100
– – 0.01% 389
2025
Q4 		$17.4K Hold
100
– – 0.01% 397
2025
Q3 		$19.1K Hold
100
– – 0.01% 378
2025
Q2 		$18K Hold
100
– – 0.01% 389
2025
Q1 		$16.9K Buy
+100
New +$16.4K 0.01% 369

Other funds holding DGX

BlackRock
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
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
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

Costello Asset Management's DGX Position: Q1 2026 in Review

Costello Asset Management held its Quest Diagnostics (DGX) position steady in Q1 2026 at 100 shares worth $19.6K. The position accounts for 0.01% of the portfolio, ranked #389.

Costello Asset Management first reported a position in DGX in Q1 2025 and has held it in 5 quarters since. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Costello Asset Management held 100 shares of Quest Diagnostics worth $19.6K as of Q1 2026.
  • Costello Asset Management left its Quest Diagnostics share count unchanged in Q1 2026.
  • Quest Diagnostics made up 0.01% of Costello Asset Management's portfolio in Q1 2026, its #389 holding.
  • Costello Asset Management first reported a position in Quest Diagnostics in Q1 2025 and has held it in 5 quarters since.
  • 1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Costello Asset Management's 13F filing for Q1 2026, filed 30 Apr 2026.