Citadel Advisors (Ken Griffin) — ARGX Trade History
Quarter-by-quarter changes in the ARGENX SE position · CUSIP 04016X101
Currently held · 4.3 YearsFirst seen: 2019 Q1
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Reduce | 212,416 | -6,710 | -3.1% | $197.1M | 0.02% |
| 2026 Q1 | 2026-05-15 | Reduce | 219,126 | -131,725 | -37.5% | $160.0M | 0.03% |
| 2025 Q4 | 2026-02-17 | Reduce | 350,851 | -362,708 | -50.8% | $295.0M | 0.04% |
| 2025 Q3 | 2025-11-14 | Reduce | 713,559 | -152,411 | -17.6% | $526.3M | 0.08% |
| 2025 Q2 | 2025-08-14 | Add | 865,970 | 314,031 | +56.9% | $477.3M | 0.08% |
| 2025 Q1 | 2025-05-15 | Add | 551,939 | 37,834 | +7.4% | $326.7M | 0.06% |
| 2024 Q4 | 2025-02-14 | Reduce | 514,105 | -100,821 | -16.4% | $316.2M | 0.06% |
| 2024 Q3 | 2024-11-14 | Reduce | 614,926 | -38,164 | -5.8% | $333.3M | 0.06% |
| 2024 Q2 | 2024-08-14 | Add | 653,090 | 540,814 | +481.7% | $280.9M | 0.06% |
| 2024 Q1 | 2024-05-15 | Reduce | 112,276 | -76,083 | -40.4% | $44.2M | 0.01% |
| 2023 Q4 | 2024-02-14 | Reduce | 188,359 | -247,764 | -56.8% | $71.7M | 0.01% |
| 2023 Q3 | 2023-11-14 | Add | 436,123 | 75,535 | +20.9% | $214.4M | 0.05% |
| 2023 Q2 | 2023-08-14 | Add | 360,588 | 333,055 | +1209.7% | $140.5M | 0.03% |
| 2023 Q1 | 2023-05-15 | Reduce | 27,533 | -95,564 | -77.6% | $10.3M | 0.00% |
| 2022 Q4 | 2023-02-14 | Add | 123,097 | 91,819 | +293.6% | $46.6M | 0.01% |
| 2022 Q3 | 2022-11-14 | Reduce | 31,278 | -54,455 | -63.5% | $11.0M | 0.00% |
| 2022 Q2 | 2022-08-15 | New | 85,733 | 85,733 | — | $32.5M | 0.01% |
| 2022 Q1 | 2022-05-16 | — | — | — | — | — | — |
| 2021 Q3 | 2022-03-11 | Sold out | — | -28,366 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Add | 28,366 | 20,993 | +284.7% | $9.9M | 0.00% |
| 2021 Q2 | 2021-08-16 | Reduce | 7,373 | -47,048 | -86.5% | $2.2M | — |
| 2021 Q1 | 2021-05-21 | Add | 54,421 | 17,608 | +47.8% | $15.0M | 0.00% |
| 2020 Q4 | 2021-02-16 | Add | 36,813 | 32,648 | +783.9% | $10.8M | 0.00% |
| 2020 Q3 | 2020-11-16 | Reduce | 4,165 | -22,018 | -84.1% | $1.1M | — |
| 2020 Q2 | 2020-08-14 | Add | 26,183 | 17,113 | +188.7% | $5.9M | 0.00% |
| 2020 Q1 | 2020-05-15 | Reduce | 9,070 | -7,682 | -45.9% | $1.2M | 0.00% |
| 2019 Q4 | 2020-02-14 | New | 16,752 | 16,752 | — | $2.7M | 0.00% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -26,349 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 26,349 | 26,349 | — | $3.0M | 0.00% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -8,343 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 8,343 | 8,343 | — | $1.0M | 0.00% |
| 2018 Q1 | 2019-02-14 | — | — | — | — | — | — |
| 2017 Q4 | 2018-02-09 | — | — | — | — | — | — |
| 2017 Q3 | 2017-11-09 | — | — | — | — | — | — |
| 2017 Q2 | 2017-08-11 | — | — | — | — | — | — |
| 2017 Q1 | 2017-05-12 | — | — | — | — | — | — |
| 2016 Q4 | 2017-02-10 | — | — | — | — | — | — |
| 2015 Q4 | 2017-01-31 | — | — | — | — | — | — |
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.