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Boston Family Office’s Quest Diagnostics DGX Stock Holding History

Boston Family Office’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 		$510K Buy
+2,407
New +$472K 0.03% 223
2014
Q1 		– Sell
-6,300
Closed -$337K – 258
2013
Q4 		$337K Hold
6,300
– – 0.04% 217
2013
Q3 		$389K Hold
6,300
– – 0.06% 206
2013
Q2 		$382K Buy
+6,300
New +$375K 0.06% 198

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

Boston Family Office's DGX Position: Q2 2026 in Review

Boston Family Office opened a new position in Quest Diagnostics (DGX) in Q2 2026: 2,407 shares worth $510K. The stake represents 0.03% of the portfolio and ranks #223 among its holdings. This is a return to the name: Boston Family Office previously reported a position in DGX as recently as Q4 2013.

Boston Family Office first reported a position in DGX in Q2 2013 and has held it in 4 quarters since. 1,109 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Boston Family Office held 2,407 shares of Quest Diagnostics worth $510K as of Q2 2026.
  • Quest Diagnostics was a new Boston Family Office position in Q2 2026.
  • Quest Diagnostics made up 0.03% of Boston Family Office's portfolio in Q2 2026, its #223 holding.
  • Boston Family Office first reported a position in Quest Diagnostics in Q2 2013 and has held it in 4 quarters since.
  • 1,109 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Boston Family Office's 13F filing for Q2 2026, filed 12 Aug 2026.