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OP Asset Management’s Quest Diagnostics DGX Stock Holding History

OP 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
Q2 		$2.5M Buy
11,781
+581
+5% +$114K 0.03% 414
2026
Q1 		$2.19M Sell
11,200
-942
-8% -$183K 0.02% 430
2025
Q4 		$2.11M Sell
12,142
-656
-5% -$119K 0.03% 425
2025
Q3 		$2.44M Buy
12,798
+1,030
+9% +$183K 0.03% 380
2025
Q2 		$2.11M Sell
11,768
-327
-3% -$56.8K 0.03% 411
2025
Q1 		$2.05M Buy
+12,095
New +$1.99M 0.03% 402

Other funds holding DGX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
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

OP Asset Management's DGX Position: Q2 2026 in Review

OP Asset Management increased its Quest Diagnostics (DGX) stake by 5.2% in Q2 2026, buying an estimated $114K and bringing the position to 11,781 shares worth $2.5M. The position accounts for 0.03% of the portfolio, ranked #414.

OP Asset Management first reported a position in DGX in Q1 2025 and has held it in 6 quarters since. 1,111 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • OP Asset Management held 11,781 shares of Quest Diagnostics worth $2.5M as of Q2 2026.
  • OP Asset Management bought 581 Quest Diagnostics shares in Q2 2026, an estimated $114K.
  • Quest Diagnostics made up 0.03% of OP Asset Management's portfolio in Q2 2026, its #414 holding.
  • OP Asset Management first reported a position in Quest Diagnostics in Q1 2025 and has held it in 6 quarters since.
  • 1,111 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.