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.
13F holders, Q2 2026
Institutional positions in Argenx SE as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 510
- +36 vs. Q1 2026
- Shares held
- 28.2M
- +1.97M (+7.5%) vs. Q1 2026
- Total value
- $26.1B
- +$6.88B (+35.8%) vs. Q1 2026
- New holders
- 85
- 181 more added
- Sold out
- 49
- 164 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 510 | $26.1B |
| Q1 2026 | 478 | $21.1B |
| Q4 2025 | 510 | $25.0B |
| Q3 2025 | 470 | $22.5B |
| Q2 2025 | 439 | $17.7B |
| Q1 2025 | 448 | $19.7B |
| Q4 2024 | 397 | $21.0B |
| Q3 2024 | 358 | $19.0B |
| Q2 2024 | 336 | $14.7B |
| Q1 2024 | 328 | $13.4B |
| Q4 2023 | 346 | $12.5B |
| Q3 2023 | 341 | $15.9B |
| Q2 2023 | 290 | $12.0B |
| Q1 2023 | 272 | $11.6B |
| Q4 2022 | 271 | $11.6B |
| Q3 2022 | 255 | $11.2B |
| Q2 2022 | 232 | $12.4B |
| Q1 2022 | 199 | $10.2B |
| Q4 2021 | 208 | $10.1B |
| Q3 2021 | 182 | $8.57B |
| Q2 2021 | 177 | $8.57B |
| Q1 2021 | 191 | $7.84B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Argenx SE; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 643,123 | $596.7M | 0.03% | +82,412+14.7% | Added |
| RTW Investments, LP | 709,446 | $658.2M | 5.62% | 00.0% | Unchanged |
| BlackRock, Inc. | 777,237 | $721.1M | 0.01% | −31,100−3.8% | Reduced |
| Wellington Management Group LLP | 930,548 | $863.3M | 0.15% | −90,909−8.9% | Reduced |
| Avoro Capital Advisors LLC | 1,000,000 | $927.8M | 8.33% | 00.0% | Unchanged |
| Artisan Partners Limited Partnership | 1,508,778 | $1.40B | 2.28% | +40,796+2.8% | Added |
| Capital World Investors | 2,199,770 | $2.04B | 0.24% | −56,446−2.5% | Reduced |
| Jupiter Topco LLC | 2,474,015 | $2.30B | 0.94% | +2,474,015 | New |
| Price T Rowe Associates Inc | 2,678,047 | $2.48B | 0.25% | −696,908−20.6% | Reduced |
| FMR LLC | 5,231,452 | $4.85B | 0.21% | +240,418+4.8% | Added |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −38,438−100.0% | Sold out |
| Davern Capital Partners, LP | 0 | $0 | 0.00% | −35,045−100.0% | Sold out |
| Jones Hill Capital LP | 0 | $0 | 0.00% | −25,995−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −25,174−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −13,111−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −7,687−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −7,009−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −5,884−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −2,189−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −2,034−100.0% | Sold out |
| Banco Santander, S.A. | 0 | $0 | 0.00% | −1,847−100.0% | Sold out |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −1,830−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −1,747−100.0% | Sold out |
| Taproot Management LP | 0 | $0 | 0.00% | −1,674−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −1,574−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,240−100.0% | Sold out |
| Legacy Wealth Asset Management, LLC | 0 | $0 | 0.00% | −1,229−100.0% | Sold out |
| AdvisorShares Investments LLC | 0 | $0 | 0.00% | −1,130−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −1,093−100.0% | Sold out |
| Yousif Capital Management, LLC | 0 | $0 | 0.00% | −1,003−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −771−100.0% | Sold out |
| Legacy Capital Group California, Inc. | 0 | $0 | 0.00% | −606−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −540−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −539−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −479−100.0% | Sold out |
| Burns Matteson Capital Management, LLC | 0 | $0 | 0.00% | −431−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −393−100.0% | Sold out |
| Everhart Financial Group, Inc. | 0 | $0 | 0.00% | −384−100.0% | Sold out |
| Wealth Management Associates, Inc. | 0 | $0 | 0.00% | −384−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −348−100.0% | Sold out |
| Beacon Pointe Advisors, LLC | 0 | $0 | 0.00% | −334−100.0% | Sold out |
| Personal Cfo Solutions, LLC | 0 | $0 | 0.00% | −293−100.0% | Sold out |
| Ashton Thomas Private Wealth, LLC | 0 | $0 | 0.00% | −284−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −253−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| Raiffeisen Bank International AG | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Chilton Capital Management LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| RMG Wealth Management LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Innovative Asset Advisors Group, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Rosenberg Matthew Hamilton | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Legacy Wealth Managment, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Intentional Wealth Strategies, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Dogwood Wealth Management LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Worth Financial Advisory Group, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |