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M.D. Sass LLC’s Quest Diagnostics DGX Stock Holding History

M.D. Sass LLC’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 		$76.4M Buy
360,453
+60,994
+20% +$12M 4.99% 7
2026
Q1 		$58.7M Buy
+299,459
New +$58.2M 4.45% 9
2020
Q3 		– Sell
-95,156
Closed -$10.8M – 35
2020
Q2 		$10.8M Sell
95,156
-32,041
-25% -$3.4M 2.88% 21
2020
Q1 		$10.2M Sell
127,197
-30,424
-19% -$3.15M 3.71% 14
2019
Q4 		$16.8M Buy
157,621
+3,564
+2% +$372K 3.98% 5
2019
Q3 		$16.5M Buy
+154,057
New +$15.8M 3.89% 6

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

M.D. Sass LLC's DGX Position: Q2 2026 in Review

M.D. Sass LLC increased its Quest Diagnostics (DGX) stake by 20% in Q2 2026, buying an estimated $12M and bringing the position to 360,453 shares worth $76.4M. The position accounts for 4.99% of the portfolio, ranked #7.

M.D. Sass LLC first reported a position in DGX in Q3 2019 and has held it in 6 quarters since. 1,099 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • M.D. Sass LLC held 360,453 shares of Quest Diagnostics worth $76.4M as of Q2 2026.
  • M.D. Sass LLC bought 60,994 Quest Diagnostics shares in Q2 2026, an estimated $12M.
  • Quest Diagnostics made up 4.99% of M.D. Sass LLC's portfolio in Q2 2026, its #7 holding.
  • M.D. Sass LLC first reported a position in Quest Diagnostics in Q3 2019 and has held it in 6 quarters since.
  • 1,099 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on M.D. Sass LLC's 13F filing for Q2 2026, filed 7 Aug 2026.