Parallax Volatility Advisers’s DexCom DXCM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $231K | Sell |
3,435
-5,367
| -61% | -$358K | ﹤0.01% | 1219 |
|
|
2026
Q1 | $551K | Buy |
8,802
+6,888
| +360% | +$480K | ﹤0.01% | 1046 |
|
|
2025
Q4 | $127K | Sell |
1,914
-27,763
| -94% | -$1.79M | ﹤0.01% | 1425 |
|
|
2025
Q3 | $2M | Buy |
+29,677
| New | +$2.35M | ﹤0.01% | 922 |
|
|
2025
Q2 | – | Sell |
-6
| Closed | -$470 | – | 1621 |
|
|
2025
Q1 | $410 | Hold |
6
| – | – | ﹤0.01% | 1473 |
|
|
2024
Q4 | $467 | Buy |
+6
| New | +$444 | ﹤0.01% | 1920 |
|
|
2024
Q3 | – | Sell |
-5,013
| Closed | -$412K | – | 2086 |
|
|
2024
Q2 | $568K | Sell |
5,013
-1,052
| -17% | -$133K | ﹤0.01% | 1412 |
|
|
2024
Q1 | $841K | Buy |
+6,065
| New | +$762K | ﹤0.01% | 1279 |
|
|
2023
Q4 | – | Sell |
-27,705
| Closed | -$2.83M | – | 2241 |
|
|
2023
Q3 | $2.58M | Buy |
27,705
+27,645
| +46,075% | +$3.12M | 0.01% | 1000 |
|
|
2023
Q2 | $7.71K | Hold |
60
| – | – | ﹤0.01% | 2198 |
|
|
2023
Q1 | $6.97K | Hold |
60
| – | – | ﹤0.01% | 2441 |
|
|
2022
Q4 | $6.79K | Sell |
60
-25,645
| -100% | -$2.82M | ﹤0.01% | 2601 |
|
|
2022
Q3 | $2.07M | Buy |
25,705
+16,588
| +182% | +$1.4M | ﹤0.01% | 1413 |
|
|
2022
Q2 | $679K | Sell |
9,117
-5,991
| -40% | -$547K | ﹤0.01% | 1785 |
|
|
2022
Q1 | $1.93M | Sell |
15,108
-15,620
| -51% | -$1.71M | ﹤0.01% | 1376 |
|
|
2021
Q4 | $4.13M | Sell |
30,728
-131,948
| -81% | -$19M | ﹤0.01% | 1283 |
|
|
2021
Q3 | $22.2M | Buy |
162,676
+121,896
| +299% | +$15.4M | 0.02% | 623 |
|
|
2021
Q2 | $4.35M | Sell |
40,780
-290,580
| -88% | -$27.9M | ﹤0.01% | 1297 |
|
|
2021
Q1 | $29.8M | Buy |
331,360
+204,116
| +160% | +$19.2M | 0.03% | 527 |
|
|
2020
Q4 | $11.8M | Buy |
127,244
+10,644
| +9% | +$950K | 0.01% | 1000 |
|
|
2020
Q3 | $12M | Buy |
116,600
+86,536
| +288% | +$9.04M | 0.01% | 919 |
|
|
2020
Q2 | $3.05M | Buy |
30,064
+5,512
| +22% | +$493K | ﹤0.01% | 1295 |
|
|
2020
Q1 | $1.65M | Buy |
+24,552
| New | +$1.53M | ﹤0.01% | 1311 |
|
|
2018
Q4 | – | Sell |
-152
| Closed | -$5K | – | 3082 |
|
|
2018
Q3 | $5K | Buy |
+152
| New | +$4.71K | ﹤0.01% | 2308 |
|
|
2018
Q1 | – | Sell |
-26,204
| Closed | -$376K | – | 2649 |
|
|
2017
Q4 | $376K | Buy |
26,204
+12,224
| +87% | +$159K | ﹤0.01% | 1743 |
|
|
2017
Q3 | $171K | Buy |
+13,980
| New | +$247K | ﹤0.01% | 1508 |
|
|
2017
Q2 | – | Sell |
-1,176
| Closed | -$25K | – | 2590 |
|
|
2017
Q1 | $25K | Buy |
+1,176
| New | +$23K | ﹤0.01% | 2886 |
|
Other funds holding DXCM
Parallax Volatility Advisers's DXCM Position: Q2 2026 in Review
Parallax Volatility Advisers reduced its DexCom (DXCM) stake by 61% in Q2 2026, selling an estimated $358K and leaving 3,435 shares worth $231K. The position accounts for ﹤0.01% of the portfolio, ranked #1219.
Parallax Volatility Advisers first reported a position in DXCM in Q1 2017 and has held it in 27 quarters since. The position peaked at $29.8M in Q1 2021. 968 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.
- Parallax Volatility Advisers held 3,435 shares of DexCom worth $231K as of Q2 2026.
- Parallax Volatility Advisers sold 5,367 DexCom shares in Q2 2026, an estimated $358K.
- DexCom made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #1219 holding.
- Parallax Volatility Advisers first reported a position in DexCom in Q1 2017 and has held it in 27 quarters since.
- Parallax Volatility Advisers's DexCom position peaked at $29.8M in Q1 2021.
- 968 funds tracked by Wall St. Rank held DexCom as of Q2 2026.
Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.