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Rossby Financial’s Quest Diagnostics DGX Stock Holding History

Rossby Financial’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 		$224K Buy
1,058
+313
+42% +$61.4K 0.04% 363
2026
Q1 		$147K Buy
745
+714
+2,303% +$139K 0.03% 448
2025
Q4 		$5.38K Sell
31
-85
-73% -$15.5K ﹤0.01% 1092
2025
Q3 		$21.1K Hold
116
– – 0.01% 709
2025
Q2 		$20.8K Hold
116
– – 0.01% 645
2025
Q1 		$20.2K Buy
+116
New +$19.1K 0.01% 621

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

Rossby Financial's DGX Position: Q2 2026 in Review

Rossby Financial increased its Quest Diagnostics (DGX) stake by 42% in Q2 2026, buying an estimated $61.4K and bringing the position to 1,058 shares worth $224K. The position accounts for 0.04% of the portfolio, ranked #363.

Rossby Financial first reported a position in DGX in Q1 2025 and has held it in 6 quarters since. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Rossby Financial held 1,058 shares of Quest Diagnostics worth $224K as of Q2 2026.
  • Rossby Financial bought 313 Quest Diagnostics shares in Q2 2026, an estimated $61.4K.
  • Quest Diagnostics made up 0.04% of Rossby Financial's portfolio in Q2 2026, its #363 holding.
  • Rossby Financial first reported a position in Quest Diagnostics in Q1 2025 and has held it in 6 quarters since.
  • 1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.