Citadel Advisors (Ken Griffin) — DXCM Trade History
Quarter-by-quarter changes in the DEXCOM INC position · CUSIP 252131107
Currently held · 4.5 YearsFirst seen: 2015 Q4split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 1,211,767 | -880,105 | -42.1% | $81.6M | 0.01% |
| 2026 Q1 | 2026-05-15 | Add | 2,091,872 | 2,004,972 | +2307.2% | $131.4M | 0.02% |
| 2025 Q4 | 2026-02-17 | Reduce | 86,900 | -6,691,590 | -98.7% | $5.8M | 0.00% |
| 2025 Q3 | 2025-11-14 | Add | 6,778,490 | 5,409,762 | +395.2% | $456.1M | 0.07% |
| 2025 Q2 | 2025-08-14 | Reduce | 1,368,728 | -758,695 | -35.7% | $119.5M | 0.02% |
| 2025 Q1 | 2025-05-15 | Reduce | 2,127,423 | -2,134,018 | -50.1% | $145.3M | 0.03% |
| 2024 Q4 | 2025-02-14 | Add | 4,261,441 | 3,027,597 | +245.4% | $331.4M | 0.06% |
| 2024 Q3 | 2024-11-14 | Add | 1,233,844 | 505,959 | +69.5% | $82.7M | 0.02% |
| 2024 Q2 | 2024-08-14 | Add | 727,885 | 35,503 | +5.1% | $82.5M | 0.02% |
| 2024 Q1 | 2024-05-15 | Reduce | 692,382 | -1,683,378 | -70.9% | $96.0M | 0.02% |
| 2023 Q4 | 2024-02-14 | Add | 2,375,760 | 1,432,110 | +151.8% | $294.8M | 0.06% |
| 2023 Q3 | 2023-11-14 | Add | 943,650 | 685,606 | +265.7% | $88.0M | 0.02% |
| 2023 Q2 | 2023-08-14 | Reduce | 258,044 | -3,780,330 | -93.6% | $33.2M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 4,038,374 | 1,805,530 | +80.9% | $469.2M | 0.10% |
| 2022 Q4 | 2023-02-14 | Add | 2,232,844 | 1,583,317 | +243.8% | $252.8M | 0.06% |
| 2022 Q3 | 2022-11-14 | Reduce | 649,527 | -2,421,347 | -78.8% | $52.3M | 0.01% |
| 2022 Q2 | 2022-08-15 | Add | 3,070,874 | 1,818,470 | +145.2% | $228.9M | 0.06% |
| 2022 Q1 | 2022-05-16 | New | 1,252,404 | 1,252,404 | — | $160.2M | 0.03% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -595,700 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Add | 595,700 | 578,416 | +3346.5% | $80.0M | 0.02% |
| 2021 Q2 | 2021-08-16 | Reduce | 17,284 | -490,228 | -96.6% | $1.8M | — |
| 2021 Q1 | 2021-05-21 | Add | 507,512 | 482,996 | +1970.1% | $45.6M | 0.01% |
| 2020 Q4 | 2021-02-16 | Reduce | 24,516 | -535,560 | -95.6% | $2.3M | 0.00% |
| 2020 Q3 | 2020-11-16 | Reduce | 560,076 | -156,560 | -21.8% | $57.7M | 0.02% |
| 2020 Q2 | 2020-08-14 | Reduce | 716,636 | -629,572 | -46.8% | $72.6M | 0.03% |
| 2020 Q1 | 2020-05-15 | Reduce | 1,346,208 | -390,152 | -22.5% | $90.6M | 0.04% |
| 2019 Q4 | 2020-02-14 | New | 1,736,360 | 1,736,360 | — | $95.0M | 0.04% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -460,336 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 460,336 | 460,336 | — | $17.2M | 0.01% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -1,078,652 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 1,078,652 | 1,078,652 | — | $32.1M | 0.02% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -239,948 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Reduce | 239,948 | -530,644 | -68.9% | $3.4M | 0.00% |
| 2017 Q3 | 2017-11-09 | Add | 770,592 | 549,820 | +249.0% | $9.4M | 0.01% |
| 2017 Q2 | 2017-08-11 | Add | 220,772 | 123,112 | +126.1% | $4.0M | 0.00% |
| 2017 Q1 | 2017-05-12 | Reduce | 97,660 | -192 | -0.2% | $2.1M | 0.00% |
| 2016 Q4 | 2017-02-10 | Reduce | 97,852 | -425,064 | -81.3% | $1.5M | 0.00% |
| 2015 Q4 | 2017-01-31 | New | 522,916 | 522,916 | — | $10.7M | 0.01% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.