Citadel Advisors’s Quest Diagnostics DGX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $68M | Sell |
347,218
-78,018
| -18% | -$15.2M | 0.01% | 1103 |
|
|
2025
Q4 | $73.8M | Buy |
425,236
+294,622
| +226% | +$53.6M | 0.01% | 1085 |
|
|
2025
Q3 | $24.9M | Buy |
130,614
+102,519
| +365% | +$18.2M | ﹤0.01% | 2062 |
|
|
2025
Q2 | $5.05M | Sell |
28,095
-107,948
| -79% | -$18.7M | ﹤0.01% | 4102 |
|
|
2025
Q1 | $23M | Buy |
+136,043
| New | +$22.3M | ﹤0.01% | 1883 |
|
|
2024
Q4 | – | Sell |
-748,133
| Closed | -$116M | – | 14671 |
|
|
2024
Q3 | $116M | Sell |
748,133
-419,014
| -36% | -$62.6M | 0.02% | 615 |
|
|
2024
Q2 | $160M | Buy |
1,167,147
+1,018,286
| +684% | +$139M | 0.03% | 438 |
|
|
2024
Q1 | $19.8M | Sell |
148,861
-52,563
| -26% | -$6.82M | ﹤0.01% | 2078 |
|
|
2023
Q4 | $27.8M | Buy |
201,424
+126,775
| +170% | +$16.7M | 0.01% | 1703 |
|
|
2023
Q3 | $9.1M | Sell |
74,649
-52,914
| -41% | -$7.05M | ﹤0.01% | 2812 |
|
|
2023
Q2 | $17.9M | Sell |
127,563
-47,950
| -27% | -$6.61M | ﹤0.01% | 1996 |
|
|
2023
Q1 | $24.8M | Buy |
175,513
+153,093
| +683% | +$21.9M | 0.01% | 1715 |
|
|
2022
Q4 | $3.51M | Sell |
22,420
-89,321
| -80% | -$12.8M | ﹤0.01% | 4494 |
|
|
2022
Q3 | $13.7M | Buy |
111,741
+30,909
| +38% | +$4.07M | ﹤0.01% | 2339 |
|
|
2022
Q2 | $10.7M | Buy |
80,832
+77,749
| +2,522% | +$10.6M | ﹤0.01% | 2591 |
|
|
2022
Q1 | $422K | Sell |
3,083
-89,486
| -97% | -$12.5M | ﹤0.01% | 9782 |
|
|
2021
Q4 | $16M | Sell |
92,569
-32,674
| -26% | -$4.97M | ﹤0.01% | 2314 |
|
|
2021
Q3 | $18.2M | Buy |
125,243
+46,794
| +60% | +$6.85M | ﹤0.01% | 2147 |
|
|
2021
Q2 | $10.4M | Buy |
78,449
+27,068
| +53% | +$3.54M | ﹤0.01% | 3015 |
|
|
2021
Q1 | $6.59M | Sell |
51,381
-157,544
| -75% | -$19.4M | ﹤0.01% | 3705 |
|
|
2020
Q4 | $24.9M | Buy |
208,925
+151,259
| +262% | +$18.4M | 0.01% | 1580 |
|
|
2020
Q3 | $6.6M | Sell |
57,666
-1,168,807
| -95% | -$138M | ﹤0.01% | 2769 |
|
|
2020
Q2 | $140M | Buy |
1,226,473
+1,201,775
| +4,866% | +$127M | 0.05% | 278 |
|
|
2020
Q1 | $1.98M | Sell |
24,698
-7,396
| -23% | -$766K | ﹤0.01% | 4160 |
|
|
2019
Q4 | $3.43M | Sell |
32,094
-564,944
| -95% | -$58.9M | ﹤0.01% | 3604 |
|
|
2019
Q3 | $63.9M | Buy |
597,038
+482,670
| +422% | +$49.6M | 0.03% | 614 |
|
|
2019
Q2 | $11.6M | Buy |
114,368
+105,802
| +1,235% | +$10.2M | 0.01% | 1994 |
|
|
2019
Q1 | $771K | Buy |
8,566
+5,864
| +217% | +$508K | ﹤0.01% | 6050 |
|
|
2018
Q4 | $225K | Sell |
2,702
-499,844
| -99% | -$46.9M | ﹤0.01% | 7694 |
|
|
2018
Q3 | $54.2M | Sell |
502,546
-862,545
| -63% | -$94.6M | 0.02% | 713 |
|
|
2018
Q2 | $150M | Buy |
1,365,091
+835,421
| +158% | +$87M | 0.07% | 235 |
|
|
2018
Q1 | $53.1M | Buy |
529,670
+273,899
| +107% | +$28.1M | 0.03% | 566 |
|
|
2017
Q4 | $25.2M | Sell |
255,771
-61,428
| -19% | -$5.82M | 0.02% | 1034 |
|
|
2017
Q3 | $29.7M | Buy |
317,199
+299,093
| +1,652% | +$31.8M | 0.02% | 839 |
|
|
2017
Q2 | $2.01M | Buy |
+18,106
| New | +$1.91M | ﹤0.01% | 3158 |
|
|
2016
Q4 | – | Sell |
-51,842
| Closed | -$4.47M | – | 7340 |
|
|
2016
Q3 | $4.39M | Sell |
51,842
-281,009
| -84% | -$23.6M | ﹤0.01% | 2113 |
|
|
2016
Q2 | $27.1M | Sell |
332,851
-69,382
| -17% | -$5.28M | 0.03% | 603 |
|
|
2016
Q1 | $28.7M | Sell |
402,233
-137,753
| -26% | -$9.24M | 0.04% | 553 |
|
|
2015
Q4 | $38.4M | Buy |
539,986
+136,791
| +34% | +$9.2M | 0.04% | 513 |
|
|
2015
Q3 | $24.8M | Buy |
403,195
+116,511
| +41% | +$8.14M | 0.02% | 760 |
|
|
2015
Q2 | $20.8M | Buy |
286,684
+40,335
| +16% | +$2.98M | 0.02% | 971 |
|
|
2015
Q1 | $18.9M | Sell |
246,349
-2,220,668
| -90% | -$159M | 0.02% | 1009 |
|
|
2014
Q4 | $165M | Buy |
2,467,017
+2,354,964
| +2,102% | +$149M | 0.16% | 94 |
|
|
2014
Q3 | $6.8M | Sell |
112,053
-410,518
| -79% | -$25.3M | 0.01% | 1704 |
|
|
2014
Q2 | $30.7M | Buy |
522,571
+296,197
| +131% | +$17.3M | 0.04% | 592 |
|
|
2014
Q1 | $13.1M | Sell |
226,374
-115,521
| -34% | -$6.19M | 0.02% | 1099 |
|
|
2013
Q4 | $18.3M | Buy |
341,895
+305,695
| +844% | +$18.1M | 0.02% | 848 |
|
|
2013
Q3 | $2.24M | Sell |
36,200
-28,521
| -44% | -$1.71M | ﹤0.01% | 2305 |
|
|
2013
Q2 | $3.92M | Buy |
+64,721
| New | +$3.86M | 0.01% | 1796 |
|
Other funds holding DGX
VCM
VPM
EIG
Citadel Advisors's DGX Position: Q1 2026 in Review
Citadel Advisors reduced its Quest Diagnostics (DGX) stake by 18% in Q1 2026, selling an estimated $15.2M and leaving 347,218 shares worth $68M. The position accounts for 0.01% of the portfolio, ranked #1103.
Citadel Advisors first reported a position in DGX in Q2 2013 and has held it in 49 quarters since. The position peaked at $165M in Q4 2014. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.
- Citadel Advisors held 347,218 shares of Quest Diagnostics worth $68M as of Q1 2026.
- Citadel Advisors sold 78,018 Quest Diagnostics shares in Q1 2026, an estimated $15.2M.
- Quest Diagnostics made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1103 holding.
- Citadel Advisors first reported a position in Quest Diagnostics in Q2 2013 and has held it in 49 quarters since.
- Citadel Advisors's Quest Diagnostics position peaked at $165M in Q4 2014.
- 1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.