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Mizuho Securities USA’s Quest Diagnostics DGX Stock Holding History

Mizuho Securities USA’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 		$1.84M Buy
8,666
+2,016
+30% +$396K 0.03% 460
2026
Q1 		$1.3M Sell
6,650
-1,450
-18% -$282K 0.03% 483
2025
Q4 		$1.53M Sell
8,100
-44
-0.5% -$8.01K 0.03% 488
2025
Q3 		$1.48M Buy
8,144
+433
+6% +$76.8K 0.03% 503
2025
Q2 		$1.39M Sell
7,711
-1,177
-13% -$204K 0.03% 485
2025
Q1 		$1.5M Sell
8,888
-1,691
-16% -$278K 0.03% 453
2024
Q4 		$1.6M Buy
10,579
+3,361
+47% +$523K 0.03% 459
2024
Q3 		$1.12M Sell
7,218
-1,350
-16% -$202K 0.02% 479
2024
Q2 		$1.17M Buy
+8,568
New +$1.17M 0.03% 478

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 $3.37T AUM 44.26% 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

Mizuho Securities USA's DGX Position: Q2 2026 in Review

Mizuho Securities USA increased its Quest Diagnostics (DGX) stake by 30% in Q2 2026, buying an estimated $396K and bringing the position to 8,666 shares worth $1.84M. The position accounts for 0.03% of the portfolio, ranked #460.

Mizuho Securities USA first reported a position in DGX in Q2 2024 and has held it in 9 quarters since. 1,100 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Mizuho Securities USA held 8,666 shares of Quest Diagnostics worth $1.84M as of Q2 2026.
  • Mizuho Securities USA bought 2,016 Quest Diagnostics shares in Q2 2026, an estimated $396K.
  • Quest Diagnostics made up 0.03% of Mizuho Securities USA's portfolio in Q2 2026, its #460 holding.
  • Mizuho Securities USA first reported a position in Quest Diagnostics in Q2 2024 and has held it in 9 quarters since.
  • 1,100 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.