Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Quest Diagnostics DGX Stock Holding History

Robeco Institutional Asset 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
Q1 		$22M Buy
112,412
+2,898
+3% +$563K 0.03% 327
2025
Q4 		$19M Sell
109,514
-1,940
-2% -$353K 0.03% 348
2025
Q3 		$21.2M Sell
111,454
-4,406
-4% -$782K 0.03% 350
2025
Q2 		$20.8M Sell
115,860
-5,872
-5% -$1.02M 0.03% 346
2025
Q1 		$20.6M Buy
121,732
+4,452
+4% +$731K 0.04% 325
2024
Q4 		$17.7M Sell
117,280
-7,204
-6% -$1.12M 0.03% 352
2024
Q3 		$19.3M Buy
124,484
+12,083
+11% +$1.8M 0.04% 345
2024
Q2 		$15.4M Sell
112,401
-212,675
-65% -$29.1M 0.03% 360
2024
Q1 		$43.3M Sell
325,076
-133,994
-29% -$17.4M 0.09% 210
2023
Q4 		$63.3M Sell
459,070
-46,481
-9% -$6.11M 0.15% 157
2023
Q3 		$61.6M Sell
505,551
-81,545
-14% -$10.9M 0.16% 143
2023
Q2 		$82.5M Sell
587,096
-277,258
-32% -$38.2M 0.22% 114
2023
Q1 		$122M Buy
864,354
+44,830
+5% +$6.41M 0.33% 81
2022
Q4 		$128M Sell
819,524
-33,413
-4% -$4.8M 0.37% 76
2022
Q3 		$105M Sell
852,937
-16,026
-2% -$2.11M 0.34% 78
2022
Q2 		$116M Sell
868,963
-42,940
-5% -$5.85M 0.36% 71
2022
Q1 		$125M Buy
911,903
+109,103
+14% +$15.2M 0.29% 90
2021
Q4 		$139M Buy
802,800
+258,712
+48% +$39.4M 0.3% 92
2021
Q3 		$79.1M Buy
544,088
+212,046
+64% +$31M 0.18% 138
2021
Q2 		$43.8M Sell
332,042
-37,247
-10% -$4.88M 0.1% 232
2021
Q1 		$47.4M Buy
369,289
+18,116
+5% +$2.23M 0.12% 207
2020
Q4 		$41.8M Buy
351,173
+18,199
+5% +$2.22M 0.11% 212
2020
Q3 		$38.1M Buy
332,974
+2,703
+0.8% +$319K 0.12% 190
2020
Q2 		$37.6M Buy
330,271
+100,931
+44% +$10.7M 0.13% 187
2020
Q1 		$18.4M Buy
229,340
+107
+0% +$11.1K 0.07% 298
2019
Q4 		$24.5M Buy
229,233
+50,627
+28% +$5.28M 0.08% 303
2019
Q3 		$19.1M Buy
178,606
+31,692
+22% +$3.25M 0.07% 327
2019
Q2 		$15M Sell
146,914
-10,336
-7% -$993K 0.05% 389
2019
Q1 		$14.1M Sell
157,250
-563,997
-78% -$48.9M 0.05% 411
2018
Q4 		$60.1M Sell
721,247
-280,826
-28% -$26.3M 0.27% 94
2018
Q3 		$108M Buy
1,002,073
+2,385
+0.2% +$262K 0.43% 52
2018
Q2 		$110M Sell
999,688
-13,006
-1% -$1.35M 0.5% 43
2018
Q1 		$102M Sell
1,012,694
-15,454
-2% -$1.58M 0.48% 51
2017
Q4 		$101M Sell
1,028,148
-64,662
-6% -$6.13M 0.52% 44
2017
Q3 		$102M Buy
1,092,810
+53,653
+5% +$5.7M 0.64% 37
2017
Q2 		$116M Buy
1,039,157
+795,576
+327% +$84.1M 0.74% 26
2017
Q1 		$23.9M Buy
243,581
+78,431
+47% +$7.48M 0.16% 164
2016
Q4 		$15.2M Sell
165,150
-16,222
-9% -$1.4M 0.12% 209
2016
Q3 		$15.3M Buy
181,372
+119,461
+193% +$10M 0.11% 207
2016
Q2 		$5.04M Buy
61,911
+7,756
+14% +$591K 0.04% 366
2016
Q1 		$3.87M Sell
54,155
-21,572
-28% -$1.45M 0.03% 394
2015
Q4 		$5.39M Sell
75,727
-325,347
-81% -$21.9M 0.05% 321
2015
Q3 		$24.7M Buy
401,074
+43,280
+12% +$3.03M 0.19% 157
2015
Q2 		$25.9M Sell
357,794
-52,879
-13% -$3.9M 0.2% 151
2015
Q1 		$31.6M Sell
410,673
-19,163
-4% -$1.37M 0.24% 127
2014
Q4 		$28.8M Buy
429,836
+40,791
+10% +$2.57M 0.21% 136
2014
Q3 		$23.6M Buy
389,045
+16,500
+4% +$1.02M 0.17% 155
2014
Q2 		$21.9M Sell
372,545
-49,084
-12% -$2.87M 0.16% 165
2014
Q1 		$24.4M Buy
421,629
+214,250
+103% +$11.5M 0.19% 133
2013
Q4 		$11.1M Buy
207,379
+73,182
+55% +$4.34M 0.09% 218
2013
Q3 		$8.29M Buy
134,197
+123,382
+1,141% +$7.39M 0.08% 226
2013
Q2 		$656K Buy
+10,815
New +$644K 0.01% 476

Other funds holding DGX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

Robeco Institutional Asset Management's DGX Position: Q1 2026 in Review

Robeco Institutional Asset Management increased its Quest Diagnostics (DGX) stake by 2.6% in Q1 2026, buying an estimated $563K and bringing the position to 112,412 shares worth $22M. The position accounts for 0.03% of the portfolio, ranked #327.

Robeco Institutional Asset Management first reported a position in DGX in Q2 2013 and has held it in 52 quarters since. The position peaked at $139M in Q4 2021. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Robeco Institutional Asset Management held 112,412 shares of Quest Diagnostics worth $22M as of Q1 2026.
  • Robeco Institutional Asset Management bought 2,898 Quest Diagnostics shares in Q1 2026, an estimated $563K.
  • Quest Diagnostics made up 0.03% of Robeco Institutional Asset Management's portfolio in Q1 2026, its #327 holding.
  • Robeco Institutional Asset Management first reported a position in Quest Diagnostics in Q2 2013 and has held it in 52 quarters since.
  • Robeco Institutional Asset Management's Quest Diagnostics position peaked at $139M in Q4 2021.
  • 1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q1 2026, filed 21 Apr 2026.