Argenx SE - ADRARGX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 438 institutions reported holding Argenx SE - ADR (ARGX) in their 13F filings, down 9 from Q1 2025. 50 opened new positions and 60 sold out. The largest holders were FMR LLC ($3.0B), T. Rowe Price Associates Inc. ($2.7B) and Janus Henderson Group PLC ($1.4B). 5 famous investors held it, including Ken Griffin (0.4% of Citadel Advisors's portfolio), Ron Baron (0.3% of Baron Capital (BAMCO)'s portfolio) and Israel Englander (0.2% of Millennium Management's portfolio).
- Company
- Argenx SE - ADR
- CUSIP
- 04016X101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 50 | $112.8M |
| Exits | 60 | $136.5M |
All 13F filers, Q1 2025 → Q2 2025: 2,523,834 shares bought and 3,753,158 shares sold, net −1,229,324 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 438 holders
| FMR LLC | 0.17% | Reduce -4.2% | 5,423,508 | $3.0B |
| T. Rowe Price Associates Inc. | 0.31% | Reduce -7.5% | 4,979,976 | $2.7B |
| Janus Henderson Group PLC | 0.69% | Add +19.7% | 2,565,399 | $1.4B |
| Artisan Partners Limited Partnership | 1.93% | Reduce -15.7% | 2,349,776 | $1.3B |
| Capital World Investors | 0.16% | Add +0.7% | 1,951,082 | $1.1B |
| Avoro Capital Advisors LLC | 11.34% | Reduce -4.9% | 1,175,000 | $647.7M |
| Citadel Advisors | 0.42% | Add +56.9% | 865,970 | $477.3M |
| Clearbridge Investments, LLC | 0.35% | Add +16.3% | 772,866 | $426.0M |
| RTW Investments, LP | 5.29% | No change | 673,497 | $371.2M |
| Bellevue Group AG | 6.94% | Reduce -1.4% | 571,039 | $314.8M |
| BlackRock, Inc. | 0.01% | Reduce -46.1% | 550,146 | $303.3M |
| Millennium Management | 0.22% | Add +60.0% | 429,844 | $236.9M |
| Morgan Stanley | 0.02% | Reduce -51.1% | 429,291 | $236.6M |
| Wellington Management Group LLP | 0.04% | Reduce -0.2% | 405,333 | $223.4M |
| Bank of America Corp. | 0.01% | Reduce -1.2% | 336,120 | $185.3M |
| Sei Investments Co. | 0.20% | Reduce -12.3% | 316,399 | $174.4M |
| Adage Capital Partners Gp, L.L.C. | 0.28% | Add +114.3% | 297,113 | $163.8M |
| Franklin Resources Inc. | 0.04% | Add +103.9% | 279,803 | $154.2M |
| Jennison Associates LLC | 0.09% | Add +6.1% | 264,647 | $145.9M |
| Invesco Ltd. | 0.02% | Reduce -36.3% | 243,746 | $134.4M |
| Orbimed Advisors LLC | 2.88% | Add +0.6% | 208,000 | $114.7M |
| American Century Companies Inc. | 0.06% | Add +38.3% | 205,906 | $113.5M |
| Pictet Asset Management Holding SA | 0.11% | Reduce -14.0% | 197,286 | $108.8M |
| Braidwell LP | 5.13% | Add +20.9% | 194,491 | $107.2M |
| Allspring Global Investments Holdings, LLC | 0.17% | Add +4.8% | 184,987 | $100.3M |
| Baron Capital (BAMCO) | 0.27% | Reduce -15.3% | 180,733 | $99.6M |
| Marshall Wace, LLP | 0.12% | Add +40.2% | 177,724 | $98.0M |
| Rock Springs Capital Management LP | 6.06% | No change | 175,750 | $96.9M |
| 1832 Asset Management L.P. | 0.17% | Reduce -6.0% | 172,400 | $95.0M |
| Fiera Capital Corp | 0.30% | Add +2.6% | 158,474 | $87.4M |
| Jefferies Financial Group Inc. | 1.48% | Reduce -28.1% | 155,400 | $85.7M |
| Checkpoint Capital L.P. | 38.52% | Add +30.4% | 149,977 | $82.7M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -15.8% | 142,150 | $78.4M |
| D. E. Shaw & Co. | 0.08% | Reduce -47.0% | 137,964 | $76.0M |
| TimesSquare Capital Management, LLC | 1.06% | Add +6.6% | 133,580 | $73.6M |
| Lazard Asset Management LLC | 0.11% | Add +81.5% | 127,488 | $70.3M |
| Legal & General Group Plc | 0.02% | Add +10.3% | 125,809 | $69.3M |
| Eventide Asset Management, LLC | 1.21% | Add +10.2% | 125,383 | $69.1M |
| Federated Hermes, Inc. | 0.13% | Add +13.5% | 123,659 | $68.2M |
| TD Asset Management Inc | 0.06% | Reduce -14.6% | 120,042 | $66.2M |
| Assenagon Asset Management S.A. | 0.10% | Add +1.5% | 112,057 | $61.8M |
| Ameriprise Financial Inc. | 0.02% | Add +61.4% | 111,195 | $61.3M |
| Lord, Abbett & Co. LLC | 0.19% | Reduce -63.2% | 101,079 | $55.7M |
| Perpetual Ltd | 0.63% | Reduce -15.3% | 96,955 | $53.4M |
| Ensign Peak Advisors, Inc | 0.09% | Add +103.1% | 93,336 | $51.4M |
| Caisse de depot et placement du Quebec | 0.11% | Add +46.4% | 90,895 | $50.1M |
| Balyasny Asset Management L.P. | 0.11% | Add +826.6% | 89,296 | $49.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.12% | Add +244.6% | 87,414 | $48.2M |
| Envestnet Asset Management Inc. | 0.01% | Add +9.3% | 86,861 | $47.9M |
| Public Sector Pension Investment Board | 0.19% | No change | 82,082 | $45.2M |
| Armistice Capital, LLC | 1.67% | Reduce -18.4% | 80,000 | $44.1M |
| Artia Global Partners LP | 11.10% | Add +592.3% | 78,311 | $43.2M |
| Eagle Health Investments LP | 10.53% | Add +3.3% | 77,430 | $42.7M |
| Pinebridge Investments, L.P. | 0.34% | Add +4.9% | 76,741 | $42.3M |
| PGGM Investments | 0.73% | Add +57.2% | 76,699 | $42.3M |
| Alkeon Capital Management LLC | 0.20% | No change | 75,000 | $41.3M |
| Raymond James Financial Inc. | 0.01% | Add +8.6% | 72,588 | $40.0M |
| Aberdeen Group plc | 0.07% | Add +28.8% | 70,293 | $38.7M |
| UBS Group AG | 0.01% | Reduce -33.1% | 68,276 | $37.6M |
| Hudson Bay Capital Management LP | 0.28% | New | 67,923 | $37.4M |
| BNP Paribas Financial Markets | 0.03% | Reduce -49.9% | 66,795 | $36.8M |
| New York State Common Retirement Fund | 0.05% | Reduce -0.2% | 64,102 | $35.3M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +6.0% | 63,243 | $34.9M |
| Northern Trust Corp. | 0.00% | Add +20.0% | 62,932 | $34.7M |
| First Trust Advisors LP | 0.03% | Reduce -4.3% | 58,770 | $32.4M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -25.3% | 58,285 | $32.1M |
| Wells Fargo & Company | 0.01% | Reduce -17.7% | 55,381 | $30.5M |
| Alliancebernstein L.P. | 0.01% | Add +3726.2% | 53,835 | $29.7M |
| Tri Locum Partners LP | 8.00% | Add +167.8% | 47,793 | $26.3M |
| Moore Capital Management, LP | 0.56% | Add +88.0% | 47,000 | $25.9M |
| Candriam S.C.A. | 0.15% | Add +10.4% | 45,567 | $25.1M |
| First Turn Management, LLC | 4.52% | Add +4.9% | 43,953 | $24.2M |
| Two Sigma Investments, LP | 0.05% | Reduce -40.7% | 43,882 | $24.2M |
| Soleus Capital Management, L.P. | 1.63% | Add +48.1% | 42,876 | $23.6M |
| Van Eck Associates Corp. | 0.03% | Reduce -6.4% | 41,598 | $22.9M |
| Royal Bank of Canada | 0.00% | Add +7.8% | 41,314 | $22.8M |
| Woodline Partners LP | 0.12% | Reduce -55.1% | 40,271 | $22.2M |
| Handelsbanken Fonder AB | 0.08% | Add +4.5% | 39,753 | $21.9M |
| Railway Pension Investments Ltd | 0.31% | No change | 39,500 | $21.8M |
| Voloridge Investment Management, LLC | 0.08% | Reduce -48.0% | 39,300 | $21.7M |
| Baker Bros. Advisors LP | 0.20% | Reduce -51.4% | 37,760 | $20.8M |
| Verition Fund Management LLC | 0.12% | Reduce -5.6% | 37,688 | $20.8M |
| Dimensional Fund Advisors LP | 0.00% | Add +11.6% | 35,993 | $19.8M |
| Squarepoint Ops LLC | 0.04% | Add +2.9% | 31,296 | $17.3M |
| AXA S.A. | 0.05% | Add +5.6% | 31,133 | $17.2M |
| Patient Square Capital LP | 5.76% | New | 29,000 | $16.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.2% | 26,257 | $14.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +4184.0% | 24,419 | $13.5M |
| Susquehanna International Group, LLP | 0.02% | Add +1170.2% | 23,790 | $13.1M |
| Schroder Investment Management Group | 0.01% | New | 23,628 | $13.0M |
| HSBC Holdings PLC | 0.01% | Add +0.2% | 22,580 | $12.4M |
| Cookson Peirce & Co. Inc. | 0.54% | Reduce -6.5% | 22,239 | $12.3M |
| LPL Financial LLC | 0.00% | Add +5.6% | 22,054 | $12.2M |
| Prosight Management, LP | 2.96% | Add +60.6% | 22,000 | $12.1M |
| Oddo BHF Asset Management Sas | 0.45% | No change | 21,574 | $11.9M |
| Engineers Gate Manager LP | 0.14% | Add +21.7% | 21,104 | $11.6M |
| LMR Partners LLP | 0.26% | Add +58.4% | 20,800 | $11.5M |
| Driehaus Capital Management LLC | 0.09% | Reduce -57.7% | 20,744 | $11.4M |
| Quadrature Capital Ltd | 0.19% | New | 20,501 | $11.3M |
| Deutsche Bank AG | 0.00% | Reduce -79.4% | 19,930 | $11.0M |
"% of holder's portfolio" is ARGX's weight in each manager's 13F, not the share of Argenx SE - ADR the manager owns.