§ BIOTECHNOLOGY
NYSE EURONEXT - EURONEXT BRUSSELS · USD · BiotechnologyARGX
argenx SE
NYSE EURONEXT - EURONEXT BRUSSELS · USDSector · BiotechnologyBeta · 1.04
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 920.83HIGH 923.31LOW 903.5052W 456.60 — 810.00
EVENTSJUN 30 · EARNINGS +16.5%
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
272 increased/new, 170 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 35.7 | P/B | 7.59 |
| EPS (TTM) | 19.52 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Fidelity Management | 5.0M | 0.2% | −11% |
| JANUS HENDERSON GROUP PLC | 2.5M | n/a | +3% |
| Capital World Investors | 2.3M | 0.2% | +18% |
| Artisan Partners Limited Partnership | 1.5M | 1.7% | −16% |
| WELLINGTON MANAGEMENT GROUP LLP | 1.0M | 0.1% | +50% |
| Avoro Capital Advisors LLC | 1.0M | 7.2% | n/a |
◇ AC INTELLIGENCE
Top institutional owners for ARGX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER45.4% · 0 holders
QUALITY / COMPOUNDER27.8% · 34 holders
OTHER16.4% · 368 holders
PASSIVE / INDEX5.8% · 10 holders
DEALER / BANK3.1% · 38 holders
TACTICAL / MACRO0.7% · 5 holders
INCOME / DEFENSIVE0.4% · 11 holders
SYSTEMATIC / QUANT0.2% · 10 holders
ACTIVIST0.2% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for ARGX in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention ARGX yet.