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TCW Group’s Quest Diagnostics DGX Stock Holding History

TCW Group’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 		$7.3M Buy
34,453
+3,591
+12% +$705K 0.05% 176
2026
Q1 		$6.05M Buy
30,862
+2,154
+8% +$419K 0.05% 171
2025
Q4 		$4.98M Buy
28,708
+2,131
+8% +$388K 0.04% 171
2025
Q3 		$5.07M Buy
26,577
+6,724
+34% +$1.19M 0.04% 142
2025
Q2 		$3.57M Buy
19,853
+4,471
+29% +$777K 0.03% 209
2025
Q1 		$2.6M Buy
+15,382
New +$2.53M 0.02% 228
2017
Q3 		– Sell
-14,749
Closed -$1.64M – 383
2017
Q2 		$1.64M Sell
14,749
-228,604
-94% -$24.2M 0.01% 254
2017
Q1 		$23.9M Sell
243,353
-86,776
-26% -$8.27M 0.2% 92
2016
Q4 		$30.3M Sell
330,129
-12,479
-4% -$1.08M 0.23% 87
2016
Q3 		$29M Sell
342,608
-16,386
-5% -$1.38M 0.22% 90
2016
Q2 		$29.2M Sell
358,994
-18,844
-5% -$1.43M 0.22% 92
2016
Q1 		$27M Buy
377,838
+2,028
+0.5% +$136K 0.2% 95
2015
Q4 		$26.7M Buy
375,810
+22,929
+6% +$1.54M 0.19% 99
2015
Q3 		$21.7M Sell
352,881
-28,869
-8% -$2.02M 0.16% 114
2015
Q2 		$27.7M Sell
381,750
-118,969
-24% -$8.78M 0.18% 111
2015
Q1 		$38.5M Sell
500,719
-36,404
-7% -$2.61M 0.18% 122
2014
Q4 		$36M Buy
537,123
+36,385
+7% +$2.3M 0.15% 127
2014
Q3 		$30.4M Buy
500,738
+28,769
+6% +$1.77M 0.12% 161
2014
Q2 		$27.7M Buy
471,969
+66,844
+16% +$3.91M 0.11% 168
2014
Q1 		$23.5M Buy
405,125
+170,775
+73% +$9.15M 0.1% 172
2013
Q4 		$12.5M Buy
234,350
+159,350
+212% +$9.45M 0.05% 282
2013
Q3 		$4.63M Sell
75,000
-2,550
-3% -$153K 0.02% 509
2013
Q2 		$4.7M Buy
+77,550
New +$4.62M 0.02% 482

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

TCW Group's DGX Position: Q2 2026 in Review

TCW Group increased its Quest Diagnostics (DGX) stake by 12% in Q2 2026, buying an estimated $705K and bringing the position to 34,453 shares worth $7.3M. The position accounts for 0.05% of the portfolio, ranked #176.

TCW Group first reported a position in DGX in Q2 2013 and has held it in 23 quarters since. The position peaked at $38.5M in Q1 2015. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • TCW Group held 34,453 shares of Quest Diagnostics worth $7.3M as of Q2 2026.
  • TCW Group bought 3,591 Quest Diagnostics shares in Q2 2026, an estimated $705K.
  • Quest Diagnostics made up 0.05% of TCW Group's portfolio in Q2 2026, its #176 holding.
  • TCW Group first reported a position in Quest Diagnostics in Q2 2013 and has held it in 23 quarters since.
  • TCW Group's Quest Diagnostics position peaked at $38.5M in Q1 2015.
  • 1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on TCW Group's 13F filing for Q2 2026, filed 3 Aug 2026.