Argenx SE
ARGX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001697862
No open-market purchases or sales by Argenx SE insiders were filed in the last 90 days; 510 institutions reported holding it in 13F filings for Q2 2026, worth $26.1B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +36 vs. previous quarter
- 510
- 13F valueReported value at the end of Q2 2026
- $26.1B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding ARGX, Q2 2026
No superinvestor reported holding ARGX at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Argenx SE insiders from Form 4, newest first.
No open-market purchases or sales by Argenx SE insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in Argenx SE at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 5,231,452 | $4.85B | 0.21% | +240,418+4.8% | Added |
| Price T Rowe Associates Inc | 2,678,047 | $2.48B | 0.25% | −696,908−20.6% | Reduced |
| Jupiter Topco LLC | 2,474,015 | $2.30B | 0.94% | +2,474,015 | New |
| Capital World Investors | 2,199,770 | $2.04B | 0.24% | −56,446−2.5% | Reduced |
| Artisan Partners Limited Partnership | 1,508,778 | $1.40B | 2.28% | +40,796+2.8% | Added |
| Avoro Capital Advisors LLC | 1,000,000 | $927.8M | 8.33% | 00.0% | Unchanged |
| Wellington Management Group LLP | 930,548 | $863.3M | 0.15% | −90,909−8.9% | Reduced |
| BlackRock, Inc. | 777,237 | $721.1M | 0.01% | −31,100−3.8% | Reduced |
| RTW Investments, LP | 709,446 | $658.2M | 5.62% | 00.0% | Unchanged |
| Morgan Stanley | 643,123 | $596.7M | 0.03% | +82,412+14.7% | Added |