Position history for JANUS HENDERSON GROUP PLC's holdings in ARGENX SE
JANUS HENDERSON GROUP PLC holds 2.5M shares of ARGX (ARGENX SE), worth $1.8B as of 2026-Q1. The position was increased (+3.4% shares). ARGX represents 0.9% of JANUS HENDERSON GROUP PLC's portfolio.
Current Value
$1.8B
Current Shares
2.5M
Total Value Change
+$786.1M
Total Shares Change
+73,500
Other major holders of ARGX: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC, BNP PARIBAS FINANCIAL MARKETS
Increased |
| 2.5M |
+3.4% |
| $1.8B |
| 0.9% |
| $748.72 |
47 |
| 2025-Q4 | Decreased | 2.5M | -4.5% | $2.1B | 0.9% | $837.90 | 0 |
| 2025-Q3 | Increased | 2.6M | +0.4% | $1.9B | 0.9% | $719.04 | 45 |
| 2025-Q2 | Increased | 2.6M | +19.7% | $1.4B | 0.7% | $560.14 | 53 |
| 2025-Q1 | Decreased | 2.1M | -7.3% | $1.3B | 0.7% | $589.15 | 0 |
| 2024-Q4 | Decreased | 2.3M | -6.7% | $1.4B | 0.7% | $619.96 | 0 |
| 2024-Q3 | Increased | 2.5M | +0.4% | $1.3B | 0.7% | $536.11 | 45 |
| 2024-Q2 | Increased | 2.5M | +11.3% | $1.1B | 0.6% | $430.04 | 50 |