Argenx SE - ADRARGX
13F holders, Q4 2025 (December 31)509holders +40
73new positions
51sold out
7famous investors
$840.49avg. 13F price*
At the end of Q4 2025, 509 institutions reported holding Argenx SE - ADR (ARGX) in their 13F filings, up 40 from Q3 2025. 73 opened new positions and 51 sold out. The largest holders were FMR LLC ($4.7B), T. Rowe Price Associates Inc. ($2.8B) and Janus Henderson Group PLC ($2.1B). 7 famous investors held it, including Ron Baron (0.4% of Baron Capital (BAMCO)'s portfolio), Ken Griffin (0.2% of Citadel Advisors's portfolio) and Israel Englander (0.0% 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 73 | $514.4M |
| Exits | 51 | $262.8M |
All 13F filers, Q3 2025 → Q4 2025: 2,741,828 shares bought and 3,585,549 shares sold, net −843,721 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 509 holders
| FMR LLC | 0.24% | Reduce -1.8% | 5,592,319 | $4.7B |
| T. Rowe Price Associates Inc. | 0.31% | Reduce -7.6% | 3,362,324 | $2.8B |
| Janus Henderson Group PLC | 0.92% | Reduce -4.5% | 2,458,164 | $2.1B |
| Capital World Investors | 0.22% | Reduce -2.2% | 1,916,234 | $1.6B |
| Artisan Partners Limited Partnership | 2.26% | Reduce -19.6% | 1,756,942 | $1.5B |
| Avoro Capital Advisors LLC | 8.18% | No change | 990,000 | $832.5M |
| BlackRock, Inc. | 0.01% | Add +40.4% | 735,598 | $618.6M |
| Wellington Management Group LLP | 0.10% | Reduce -7.0% | 679,236 | $571.2M |
| RTW Investments, LP | 5.67% | No change | 673,497 | $566.4M |
| Morgan Stanley | 0.03% | Add +19.3% | 518,852 | $436.3M |
| Clearbridge Investments, LLC | 0.35% | Reduce -32.1% | 513,764 | $432.1M |
| Bellevue Group AG | 7.36% | Reduce -15.5% | 461,854 | $388.4M |
| Invesco Ltd. | 0.03% | Add +390.4% | 416,408 | $350.2M |
| Alliancebernstein L.P. | 0.11% | Add +388.7% | 414,182 | $348.3M |
| Bank of America Corp. | 0.02% | Add +17.1% | 400,776 | $337.0M |
| Sands Capital Management, LLC | 0.91% | Add +2046.6% | 356,870 | $300.1M |
| Citadel Advisors | 0.20% | Reduce -50.8% | 350,851 | $295.0M |
| Sei Investments Co. | 0.27% | Add +5.8% | 330,506 | $277.9M |
| Two Sigma Investments, LP | 0.34% | Reduce -12.1% | 258,556 | $217.4M |
| Franklin Resources Inc. | 0.05% | Reduce -8.0% | 237,701 | $199.9M |
| Jennison Associates LLC | 0.12% | Reduce -4.4% | 229,761 | $193.2M |
| Fiera Capital Corp | 0.60% | Add +27.2% | 225,971 | $190.0M |
| William Blair Investment Management, LLC | 0.52% | New | 223,666 | $188.1M |
| American Century Companies Inc. | 0.09% | Reduce -3.8% | 221,048 | $185.9M |
| Lord, Abbett & Co. LLC | 0.55% | Add +3.5% | 203,864 | $171.4M |
| Ameriprise Financial Inc. | 0.04% | Add +13.0% | 187,139 | $157.4M |
| Allspring Global Investments Holdings, LLC | 0.23% | Reduce -18.3% | 172,732 | $145.1M |
| Voya Investment Management LLC | 0.16% | Add +682.5% | 169,098 | $142.2M |
| Goldman Sachs Group Inc. | 0.02% | Reduce -13.4% | 167,206 | $140.6M |
| Baron Capital (BAMCO) | 0.35% | Reduce -8.3% | 153,719 | $129.3M |
| Pictet Asset Management Holding SA | 0.13% | Reduce -9.5% | 153,211 | $128.8M |
| Orbimed Advisors LLC | 2.51% | Reduce -15.3% | 146,000 | $122.8M |
| Legal & General Group Plc | 0.03% | Reduce -2.9% | 144,355 | $121.4M |
| Checkpoint Capital L.P. | 37.83% | Reduce -5.3% | 142,000 | $119.4M |
| Two Sigma Advisers, LP | 0.22% | Reduce -3.0% | 135,500 | $113.9M |
| Deutsche Bank AG | 0.04% | Add +51.8% | 134,710 | $113.3M |
| Lazard Asset Management LLC | 0.19% | Reduce -3.0% | 133,030 | $111.9M |
| Agf Management Ltd. | 0.46% | New | 124,691 | $104.9M |
| Eventide Asset Management, LLC | 1.59% | Reduce -3.3% | 121,221 | $101.9M |
| Acadian Asset Management LLC | 0.16% | Add +87.7% | 117,887 | $99.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.11% | Add +43.1% | 115,358 | $97.0M |
| 1832 Asset Management L.P. | 0.12% | No change | 110,700 | $93.1M |
| TimesSquare Capital Management, LLC | 1.37% | Reduce -14.9% | 108,509 | $91.3M |
| Federated Hermes, Inc. | 0.15% | Reduce -14.1% | 106,770 | $89.8M |
| Rock Springs Capital Management LP | 4.47% | Reduce -27.7% | 103,250 | $86.8M |
| TD Asset Management Inc | 0.07% | Reduce -16.0% | 101,523 | $85.4M |
| Ensign Peak Advisors, Inc | 0.13% | Reduce -6.1% | 90,452 | $76.1M |
| Summit Partners Public Asset Management, LLC | 1.95% | Reduce -10.6% | 82,620 | $69.5M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -16.4% | 79,989 | $67.3M |
| Pinebridge Investments LLC | 0.45% | — | 72,040 | $60.6M |
| BNP Paribas Financial Markets | 0.04% | Reduce -33.7% | 70,744 | $59.5M |
| Nuveen, LLC | 0.01% | Reduce -18.6% | 66,241 | $55.7M |
| Artia Global Partners LP | 8.74% | Reduce -17.4% | 64,699 | $54.4M |
| Northern Trust Corp. | 0.01% | Reduce -7.9% | 64,244 | $54.0M |
| Eagle Health Investments LP | 11.59% | Reduce -19.0% | 62,730 | $52.8M |
| Bessemer Group Inc. | 0.08% | Add +97614.1% | 62,537 | $52.6M |
| Millennium Management | 0.04% | Reduce -82.6% | 60,458 | $50.8M |
| UBS Group AG | 0.01% | Add +12.3% | 60,384 | $50.8M |
| Jain Global LLC | 0.50% | Add +2472.9% | 58,250 | $49.0M |
| Armistice Capital, LLC | 1.20% | No change | 58,000 | $48.8M |
| Raymond James Financial Inc. | 0.02% | Reduce -16.4% | 57,489 | $48.3M |
| Manufacturers Life Insurance Company, The | 0.04% | Reduce -12.1% | 57,408 | $48.1M |
| PGGM Investments | 0.73% | Reduce -28.5% | 54,830 | $46.1M |
| Wells Fargo & Company | 0.01% | Reduce -2.3% | 54,390 | $45.7M |
| First Trust Advisors LP | 0.03% | Reduce -17.1% | 53,902 | $45.3M |
| Handelsbanken Fonder AB | 0.13% | Add +28.1% | 52,678 | $44.3M |
| Aberdeen Group plc | 0.07% | Reduce -21.5% | 52,347 | $44.0M |
| Nomura Asset Management Co. Ltd. | 0.11% | Add +262.9% | 49,358 | $41.5M |
| Candriam S.C.A. | 0.21% | Add +1.1% | 48,741 | $41.0M |
| Life Cycle Investment Partners Ltd | 0.27% | — | 45,826 | $38.5M |
| D. E. Shaw & Co. | 0.03% | Reduce -73.1% | 45,533 | $38.3M |
| Woodline Partners LP | 0.15% | Reduce -73.2% | 45,426 | $38.2M |
| Nomura Asset Management International Inc. | 0.06% | — | 45,315 | $38.1M |
| New York State Common Retirement Fund | 0.05% | Reduce -32.4% | 44,027 | $37.0M |
| Amundi | 0.01% | Add +419.3% | 42,485 | $35.7M |
| Balyasny Asset Management L.P. | 0.07% | New | 41,923 | $35.3M |
| Tri Locum Partners LP | 4.11% | Reduce -13.3% | 37,653 | $31.7M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -8.5% | 36,817 | $31.0M |
| Public Sector Pension Investment Board | 0.10% | New | 36,600 | $30.8M |
| Davern Capital Partners, LP | 9.70% | — | 35,685 | $30.0M |
| Royal Bank of Canada | 0.01% | Reduce -24.2% | 35,660 | $30.0M |
| Van Eck Associates Corp. | 0.02% | Reduce -4.3% | 34,535 | $29.0M |
| Victory Capital Management Inc. | 0.02% | New | 33,847 | $28.5M |
| Soleus Capital Management, L.P. | 1.13% | Reduce -54.3% | 31,726 | $26.7M |
| Braidwell LP | 1.00% | Reduce -59.3% | 31,007 | $26.1M |
| Perpetual Ltd | 0.38% | Reduce -37.3% | 30,950 | $26.0M |
| Jefferies Financial Group Inc. | 0.21% | Reduce -80.7% | 30,000 | $25.2M |
| Jane Street Group, LLC | 0.03% | Reduce -42.9% | 28,485 | $24.0M |
| Squarepoint Ops LLC | 0.05% | Add +48.5% | 28,202 | $23.7M |
| Blair William & Co. | 0.06% | Add +1005.3% | 26,340 | $22.2M |
| Patient Square Capital LP | 4.68% | Add +67.7% | 26,000 | $21.9M |
| LPL Financial LLC | 0.01% | Reduce -0.4% | 25,656 | $21.6M |
| Quadrature Capital Ltd | 0.22% | Reduce -49.8% | 25,399 | $21.4M |
| Baker Bros. Advisors LP | 0.12% | Reduce -33.3% | 25,174 | $21.2M |
| Moore Capital Management, LP | 0.45% | Add +66.7% | 25,000 | $21.0M |
| Assenagon Asset Management S.A. | 0.03% | New | 24,347 | $20.5M |
| Ardsley Advisory Partners LP | 2.57% | Add +60.0% | 24,000 | $20.2M |
| Susquehanna International Group, LLP | 0.03% | New | 23,959 | $20.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -9.3% | 23,695 | $19.9M |
| Oddo BHF Asset Management Sas | 0.74% | Reduce -18.8% | 23,473 | $19.7M |
"% of holder's portfolio" is ARGX's weight in each manager's 13F, not the share of Argenx SE - ADR the manager owns.