Security record · archived quarter
ARGX
argenx SE · Healthcare · Biotechnology
10Tracked holders
—Δ holders
8.59MShares held
$3.70BReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 121 | +5 | 20.63M | $19.06B | +10 | −5 |
| Q1 2026 | 118 | 0 | 23.58M | $17.26B | +7 | −7 |
| Q4 2025 | 117 | +1 | 24.12M | $20.07B | +1 | — |
| Q3 2025 | 16 | -2 | 14.76M | $10.89B | — | −2 |
| Q2 2025 | 15 | 0 | 15.30M | $8.43B | — | — |
| Q1 2025 | 13 | +1 | 9.21M | $5.45B | +2 | −1 |
| Q4 2024 | 12 | +2 | 9.05M | $5.57B | +2 | — |
| Q3 2024 | 9 | -1 | 9.09M | $4.93B | — | −1 |
| Q2 2024 | 10 | — | 8.59M | $3.70B | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 5.60M | — | $2.41B | 0.3% | n/c | 1 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 5.60M | — | $2.41B | 0.3% | n/c | 1 | SEC ↗ |
| 3 | Capital World Investors ✦ | 1.51M | — | $650.11M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 653.09K | — | $280.85M | 0.3% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 653.09K | — | $280.85M | 0.3% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Wellington Management ✦ | 426.73K | — | $183.51M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Marshall Wace ✦ | 113.77K | — | $48.93M | 0.1% | n/c | 1 | SEC ↗ |
| 15 | Adage Capital Partners ✦ | 106.51K | — | $45.80M | 0.1% | n/c | 1 | SEC ↗ |
| 16 | Millennium Management ✦ | 77.76K | — | $33.44M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | D. E. Shaw & Co. ✦ | 43.88K | — | $18.87M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Point72 Asset Management ✦ | 34.73K | — | $14.93M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 27.15K | — | $11.68M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 797 shares, $571,869 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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