Position in DXCM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$231,347
-$321,418 QoQ
Shares Held
3,435
-61.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#701
of 971 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DXCM Over Time
Shares Held
Position Value (USD)
Derivatives in DXCM
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$942,000
PutShares
15,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $6,001,954 across 3 Medical Devices names. DXCM ranks #2 (3.9% of the industry book) .
All Filings in DXCM
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $231,347 | 3,435 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $942,000 | 15,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $552,765 | 8,802 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,820,725 | 42,500 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $1,380,496 | 20,800 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $127,032 | 1,914 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,691,600 | 40,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $1,996,965 | 29,677 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,309,350 | 15,000 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $409 | 6 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $1,024,350 | 15,000 | Put | Sole | 2025-05-15 | |
| 2024-12-31 | $5,381,684 | 69,200 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $637,714 | 8,200 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $466 | 6 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,704 | 100 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $6,717,408 | 100,200 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $568,373 | 5,013 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $9,353,850 | 82,500 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $6,088,930 | 43,900 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $841,215 | 6,065 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $208,050 | 1,500 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $24,222,368 | 195,200 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $4,355,559 | 35,100 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $2,584,876 | 27,705 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $1,754,040 | 18,800 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $18,669,330 | 200,100 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $15,228,435 | 118,500 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $6,386,947 | 49,700 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $7,710 | 60 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $51,734,954 | 445,300 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $6,970 | 60 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $11,002,246 | 94,700 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $23,474,652 | 207,300 | Put | Sole | 2023-02-27 | |
| 2022-12-31 | $14,098,380 | 124,500 | Call | Sole | 2023-02-27 | |
| 2022-12-31 | $6,794 | 60 | Shares | Sole | 2023-02-27 | |
| 2022-09-30 | $6,620,388 | 82,200 | Call | Sole | 2022-11-21 | |
| 2022-09-30 | $2,070,280 | 25,705 | Shares | Sole | 2022-11-21 | |
| 2022-09-30 | $11,106,466 | 137,900 | Put | Sole | 2022-11-21 | |
| 2022-06-30 | $7,892,727 | 105,900 | Put | Sole | 2022-08-17 | |
| 2022-06-30 | $20,391,408 | 273,600 | Call | Sole | 2022-08-17 | |
| 2022-06-30 | $679,490 | 9,117 | Shares | Sole | 2022-08-17 | |
| 2022-03-31 | $6,548,480 | 12,800 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $1,932,313 | 3,777 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $17,650,200 | 34,500 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $10,094,660 | 18,800 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $4,124,849 | 7,682 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $45,801,835 | 85,300 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $10,882,514 | 19,900 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $58,732,764 | 107,400 | Put | Sole | 2021-11-15 | |
| 2021-09-30 | $22,240,249 | 40,669 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||