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
Q3 | – | Sell |
-3,467
| Closed | -$615K | – | 1649 |
|
|
2025
Q2 | $623K | Buy |
3,467
+3,466
| +346,600% | +$602K | ﹤0.01% | 1151 |
|
|
2025
Q1 | $169 | Sell |
1
-14,543
| -100% | -$2.39M | ﹤0.01% | 1493 |
|
|
2024
Q4 | $2.19M | Buy |
14,544
+10,848
| +294% | +$1.69M | ﹤0.01% | 1112 |
|
|
2024
Q3 | $574K | Sell |
3,696
-129
| -3% | -$19.3K | ﹤0.01% | 1490 |
|
|
2024
Q2 | $524K | Buy |
+3,825
| New | +$524K | ﹤0.01% | 1426 |
|
|
2023
Q3 | – | Sell |
-60
| Closed | -$7.99K | – | 2347 |
|
|
2023
Q2 | $8.43K | Buy |
+60
| New | +$8.27K | ﹤0.01% | 2193 |
|
|
2022
Q2 | – | Sell |
-502
| Closed | -$69K | – | 2966 |
|
|
2022
Q1 | $69K | Buy |
502
+65
| +15% | +$9.06K | ﹤0.01% | 2424 |
|
|
2021
Q4 | $76K | Buy |
+437
| New | +$66.5K | ﹤0.01% | 2642 |
|
|
2021
Q3 | – | Sell |
-24,928
| Closed | -$3.65M | – | 3079 |
|
|
2021
Q2 | $3.29M | Buy |
24,928
+24,075
| +2,822% | +$3.15M | ﹤0.01% | 1437 |
|
|
2021
Q1 | $109K | Sell |
853
-1,420
| -62% | -$175K | ﹤0.01% | 2825 |
|
|
2020
Q4 | $271K | Sell |
2,273
-5,026
| -69% | -$613K | ﹤0.01% | 2689 |
|
|
2020
Q3 | $836K | Sell |
7,299
-289,668
| -98% | -$34.2M | ﹤0.01% | 2053 |
|
|
2020
Q2 | $33.8M | Buy |
296,967
+285,378
| +2,462% | +$30.3M | 0.04% | 360 |
|
|
2020
Q1 | $931K | Buy |
+11,589
| New | +$1.2M | ﹤0.01% | 1507 |
|
|
2019
Q2 | – | Sell |
-1,329
| Closed | -$120K | – | 2729 |
|
|
2019
Q1 | $120K | Buy |
+1,329
| New | +$115K | ﹤0.01% | 2076 |
|
|
2018
Q3 | – | Sell |
-30
| Closed | -$3K | – | 2713 |
|
|
2018
Q2 | $3K | Buy |
+30
| New | +$3.13K | ﹤0.01% | 1871 |
|
|
2018
Q1 | – | Sell |
-3,200
| Closed | -$315K | – | 2599 |
|
|
2017
Q4 | $315K | Buy |
+3,200
| New | +$303K | ﹤0.01% | 1899 |
|
|
2015
Q1 | – | Sell |
-19,730
| Closed | -$1.41M | – | 4521 |
|
|
2014
Q4 | $1.32M | Buy |
+19,730
| New | +$1.25M | ﹤0.01% | 1317 |
|
|
2014
Q3 | – | Sell |
-1,038
| Closed | -$64K | – | 4195 |
|
|
2014
Q2 | $61K | Sell |
1,038
-13,929
| -93% | -$816K | ﹤0.01% | 2830 |
|
|
2014
Q1 | $867K | Buy |
+14,967
| New | +$802K | 0.01% | 808 |
|
|
2013
Q3 | – | Sell |
-34,594
| Closed | -$2.07M | – | 3072 |
|
|
2013
Q2 | $2.1M | Buy |
+34,594
| New | +$2.06M | 0.01% | 575 |
|
Other funds holding DGX
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.