Millennium Management
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Millennium Management’s Quest Diagnostics DGX Stock Holding History

Millennium Management’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 		$1.48M Sell
7,000
-2,200
-24% -$432K ﹤0.01% 4054
2026
Q1 		$1.8M Sell
9,200
-42,200
-82% -$8.2M ﹤0.01% 3969
2025
Q4 		$8.92M Sell
51,400
-136,200
-73% -$24.8M ﹤0.01% 2383
2025
Q3 		$35.8M Sell
187,600
-53,000
-22% -$9.41M 0.02% 1110
2025
Q2 		$43.2M Sell
240,600
-39,700
-14% -$6.9M 0.02% 909
2025
Q1 		$47.4M Buy
280,300
+180,300
+180% +$29.6M 0.03% 808
2024
Q4 		$15.1M Sell
100,000
-62,200
-38% -$9.67M 0.01% 1769
2024
Q3 		$25.2M Buy
162,200
+102,200
+170% +$15.3M 0.01% 1334
2024
Q2 		$8.21M Buy
60,000
+19,100
+47% +$2.62M ﹤0.01% 2265
2024
Q1 		$5.44M Sell
40,900
-1,200
-3% -$156K ﹤0.01% 2776
2023
Q4 		$5.8M Buy
+42,100
New +$5.53M ﹤0.01% 2665
2021
Q4 		– Sell
-100,000
Closed -$14.5M – 6911
2021
Q3 		$14.5M Sell
100,000
-22,000
-18% -$3.22M 0.01% 1617
2021
Q2 		$16.1M Buy
+122,000
New +$16M 0.01% 1409
2020
Q3 		– Sell
-15,000
Closed -$1.71M – 4514
2020
Q2 		$1.71M Buy
+15,000
New +$1.59M ﹤0.01% 2638
2020
Q1 		– Sell
-100,000
Closed -$10.7M – 3971
2019
Q4 		$10.7M Buy
+100,000
New +$10.4M 0.01% 1327
2018
Q4 		– Sell
-120,000
Closed -$12.9M – 3821
2018
Q3 		$12.9M Buy
+120,000
New +$13.2M 0.02% 1116
2017
Q4 		– Sell
-20,000
Closed -$1.87M – 3837
2017
Q3 		$1.87M Buy
+20,000
New +$2.12M ﹤0.01% 2202

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

Millennium Management's DGX Position: Q2 2026 in Review

Millennium Management reduced its Quest Diagnostics (DGX) stake by 77% in Q2 2026, selling an estimated $7.6M and leaving 11,434 shares worth $2.42M. The position accounts for ﹤0.01% of the portfolio, ranked #3660.

Millennium Management first reported a position in DGX in Q2 2013 and has held it in 48 quarters since. The position peaked at $130M in Q2 2024. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Millennium Management held 11,434 shares of Quest Diagnostics worth $2.42M as of Q2 2026.
  • Millennium Management sold 38,732 Quest Diagnostics shares in Q2 2026, an estimated $7.6M.
  • Quest Diagnostics made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #3660 holding.
  • Millennium Management first reported a position in Quest Diagnostics in Q2 2013 and has held it in 48 quarters since.
  • Millennium Management's Quest Diagnostics position peaked at $130M in Q2 2024.
  • 1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.