HCA
DGX icon

Harbor Capital Advisors’s Quest Diagnostics DGX Stock Holding History

Harbor Capital Advisors’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 		$907K Sell
4,281
-22
-0.5% -$4.32K 0.06% 385
2026
Q1 		$843K Buy
4,303
+1,163
+37% +$226K 0.07% 358
2025
Q4 		$545K Buy
3,140
+12
+0.4% +$2.19K 0.04% 458
2025
Q3 		$596K Sell
3,128
-7,661
-71% -$1.36M 0.05% 430
2025
Q2 		$1.94M Buy
10,789
+69
+0.6% +$12K 0.08% 305
2025
Q1 		$1.81M Buy
10,720
+586
+6% +$96.3K 0.08% 305
2024
Q4 		$1.53M Sell
10,134
-35
-0.3% -$5.44K 0.07% 362
2024
Q3 		$1.58M Buy
10,169
+5,436
+115% +$812K 0.07% 373
2024
Q2 		$648K Buy
4,733
+3,527
+292% +$483K 0.05% 467
2024
Q1 		$161K Buy
+1,206
New +$156K 0.02% 658
2023
Q3 		– Sell
-139
Closed -$19.5K – 499
2023
Q2 		$19.5K Buy
+139
New +$19.2K ﹤0.01% 604

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

Harbor Capital Advisors's DGX Position: Q2 2026 in Review

Harbor Capital Advisors reduced its Quest Diagnostics (DGX) stake by 0.51% in Q2 2026, selling an estimated $4.32K and leaving 4,281 shares worth $907K. The position accounts for 0.06% of the portfolio, ranked #385.

Harbor Capital Advisors first reported a position in DGX in Q2 2023 and has held it in 11 quarters since. The position peaked at $1.94M in Q2 2025. 1,111 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Harbor Capital Advisors held 4,281 shares of Quest Diagnostics worth $907K as of Q2 2026.
  • Harbor Capital Advisors sold 22 Quest Diagnostics shares in Q2 2026, an estimated $4.32K.
  • Quest Diagnostics made up 0.06% of Harbor Capital Advisors's portfolio in Q2 2026, its #385 holding.
  • Harbor Capital Advisors first reported a position in Quest Diagnostics in Q2 2023 and has held it in 11 quarters since.
  • Harbor Capital Advisors's Quest Diagnostics position peaked at $1.94M in Q2 2025.
  • 1,111 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.