Parallax Volatility Advisers’s Quest Diagnostics DGX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-39,900
| Closed | -$6.02M | – | 1687 |
|
|
2024
Q4 | $6.02M | Buy |
39,900
+22,400
| +128% | +$3.48M | 0.01% | 757 |
|
|
2024
Q3 | $2.72M | Buy |
+17,500
| New | +$2.61M | ﹤0.01% | 1025 |
|
|
2024
Q1 | – | Sell |
-800
| Closed | -$110K | – | 1945 |
|
|
2023
Q4 | $110K | Sell |
800
-9,000
| -92% | -$1.18M | ﹤0.01% | 1865 |
|
|
2023
Q3 | $1.19M | Buy |
9,800
+8,200
| +513% | +$1.09M | ﹤0.01% | 1291 |
|
|
2023
Q2 | $225K | Buy |
+1,600
| New | +$221K | ﹤0.01% | 1861 |
|
|
2023
Q1 | – | Sell |
-200
| Closed | -$31.3K | – | 2818 |
|
|
2022
Q4 | $31.3K | Buy |
+200
| New | +$28.7K | ﹤0.01% | 2428 |
|
|
2022
Q2 | – | Sell |
-2,200
| Closed | -$301K | – | 2967 |
|
|
2022
Q1 | $301K | Sell |
2,200
-900
| -29% | -$125K | ﹤0.01% | 2068 |
|
|
2021
Q4 | $534K | Sell |
3,100
-6,200
| -67% | -$943K | ﹤0.01% | 1435 |
|
|
2021
Q3 | $1.35M | Buy |
9,300
+4,600
| +98% | +$673K | ﹤0.01% | 1250 |
|
|
2021
Q2 | $620K | Sell |
4,700
-1,000
| -18% | -$131K | ﹤0.01% | 1104 |
|
|
2021
Q1 | $734K | Sell |
5,700
-3,000
| -34% | -$370K | ﹤0.01% | 897 |
|
|
2020
Q4 | $1.04M | Sell |
8,700
-17,900
| -67% | -$2.18M | ﹤0.01% | 1427 |
|
|
2020
Q3 | $3.04M | Buy |
26,600
+17,900
| +206% | +$2.11M | ﹤0.01% | 1527 |
|
|
2020
Q2 | $992K | Sell |
8,700
-68,000
| -89% | -$7.21M | ﹤0.01% | 1741 |
|
|
2020
Q1 | $6.16M | Buy |
+76,700
| New | +$7.94M | 0.01% | 792 |
|
|
2019
Q2 | – | Sell |
-80,000
| Closed | -$7.19M | – | 2730 |
|
|
2019
Q1 | $7.19M | Buy |
+80,000
| New | +$6.93M | 0.01% | 576 |
|
|
2017
Q1 | – | Sell |
-1,100
| Closed | -$101K | – | 3695 |
|
|
2016
Q4 | $101K | Sell |
1,100
-900
| -45% | -$77.6K | ﹤0.01% | 2200 |
|
|
2016
Q3 | $169K | Sell |
2,000
-7,700
| -79% | -$647K | ﹤0.01% | 1901 |
|
|
2016
Q2 | $790K | Buy |
9,700
+7,900
| +439% | +$602K | ﹤0.01% | 1278 |
|
|
2016
Q1 | $129K | Sell |
1,800
-3,600
| -67% | -$241K | ﹤0.01% | 1902 |
|
|
2015
Q4 | $384K | Buy |
+5,400
| New | +$363K | ﹤0.01% | 1647 |
|
|
2015
Q3 | – | Sell |
-1,300
| Closed | -$94K | – | 3042 |
|
|
2015
Q2 | $94K | Sell |
1,300
-300
| -19% | -$22.1K | ﹤0.01% | 2298 |
|
|
2015
Q1 | $123K | Sell |
1,600
-1,600
| -50% | -$115K | ﹤0.01% | 2375 |
|
|
2014
Q4 | $216K | Buy |
+3,200
| New | +$202K | ﹤0.01% | 2777 |
|
|
2014
Q3 | – | Sell |
-1,200
| Closed | -$70K | – | 4196 |
|
|
2014
Q2 | $70K | Buy |
+1,200
| New | +$70.3K | ﹤0.01% | 2725 |
|
|
2013
Q4 | – | Sell |
-7,100
| Closed | -$439K | – | 3380 |
|
|
2013
Q3 | $439K | Sell |
7,100
-43,500
| -86% | -$2.6M | ﹤0.01% | 860 |
|
|
2013
Q2 | $3.07M | Buy |
+50,600
| New | +$3.01M | 0.01% | 511 |
|
Other funds holding DGX
VCM
VPM
EIG
Parallax Volatility Advisers's DGX Position: Q3 2025 in Review
Parallax Volatility Advisers sold out of Quest Diagnostics (DGX) in Q3 2025, closing a stake of 3,467 shares — an estimated $615K sold.
Parallax Volatility Advisers first reported a position in DGX in Q2 2013 and held it in 21 quarters. The position peaked at $33.8M in Q2 2020. 1,006 funds tracked by Wall St. Rank hold DGX as of Q3 2025.
- Parallax Volatility Advisers reported no remaining Quest Diagnostics position as of Q3 2025 after selling out during the quarter.
- Parallax Volatility Advisers sold 3,467 Quest Diagnostics shares in Q3 2025, an estimated $615K.
- Parallax Volatility Advisers first reported a position in Quest Diagnostics in Q2 2013 and held it in 21 quarters.
- Parallax Volatility Advisers's Quest Diagnostics position peaked at $33.8M in Q2 2020.
- 1,006 funds tracked by Wall St. Rank held Quest Diagnostics as of Q3 2025.
Based on Parallax Volatility Advisers's 13F filing for Q3 2025, filed 14 Nov 2025.