Argenx SE - ADRARGX
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 469 institutions reported holding Argenx SE - ADR (ARGX) in their 13F filings, up 31 from Q2 2025. 88 opened new positions and 57 sold out. The largest holders were FMR LLC ($4.2B), T. Rowe Price Associates Inc. ($2.7B) and Janus Henderson Group PLC ($1.9B). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 88 | $190.6M |
| Exits | 57 | $450.7M |
All 13F filers, Q2 2025 → Q3 2025: 2,319,759 shares bought and 3,942,872 shares sold, net −1,623,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 469 holders
| FMR LLC | 0.22% | Add +5.0% | 5,692,346 | $4.2B |
| T. Rowe Price Associates Inc. | 0.29% | Reduce -26.9% | 3,640,409 | $2.7B |
| Janus Henderson Group PLC | 0.87% | Add +0.4% | 2,575,251 | $1.9B |
| Artisan Partners Limited Partnership | 2.32% | Reduce -7.0% | 2,186,510 | $1.6B |
| Capital World Investors | 0.20% | Add +0.4% | 1,959,504 | $1.4B |
| Avoro Capital Advisors LLC | 9.45% | Reduce -15.7% | 990,000 | $730.2M |
| Clearbridge Investments, LLC | 0.42% | Reduce -2.1% | 756,862 | $558.2M |
| Wellington Management Group LLP | 0.09% | Add +80.1% | 729,986 | $538.4M |
| Citadel Advisors | 0.43% | Reduce -17.6% | 713,559 | $526.3M |
| RTW Investments, LP | 6.12% | No change | 673,497 | $496.7M |
| Bellevue Group AG | 8.37% | Reduce -4.3% | 546,328 | $402.9M |
| BlackRock, Inc. | 0.01% | Reduce -4.8% | 523,801 | $386.3M |
| Morgan Stanley | 0.02% | Add +1.4% | 435,106 | $320.9M |
| Millennium Management | 0.21% | Reduce -19.1% | 347,518 | $256.3M |
| Bank of America Corp. | 0.02% | Add +1.9% | 342,379 | $252.5M |
| Sei Investments Co. | 0.25% | Reduce -1.3% | 312,268 | $230.3M |
| Two Sigma Investments, LP | 0.35% | Add +570.3% | 294,160 | $217.0M |
| Franklin Resources Inc. | 0.05% | Reduce -7.7% | 258,274 | $190.5M |
| Jennison Associates LLC | 0.10% | Reduce -9.2% | 240,228 | $177.2M |
| American Century Companies Inc. | 0.09% | Add +11.6% | 229,770 | $169.5M |
| Allspring Global Investments Holdings, LLC | 0.26% | Add +14.2% | 211,330 | $162.2M |
| Lord, Abbett & Co. LLC | 0.45% | Add +94.8% | 196,877 | $145.2M |
| Goldman Sachs Group Inc. | 0.02% | Add +35.9% | 193,113 | $142.4M |
| Fiera Capital Corp | 0.42% | Add +12.1% | 177,654 | $131.0M |
| Alkeon Capital Management LLC | 0.58% | Add +133.3% | 175,000 | $129.1M |
| Orbimed Advisors LLC | 3.05% | Reduce -17.2% | 172,300 | $127.1M |
| Woodline Partners LP | 0.59% | Add +320.8% | 169,476 | $125.0M |
| Pictet Asset Management Holding SA | 0.12% | Reduce -14.2% | 169,333 | $124.8M |
| D. E. Shaw & Co. | 0.11% | Add +22.5% | 169,028 | $124.7M |
| Baron Capital (BAMCO) | 0.33% | Reduce -7.2% | 167,694 | $123.7M |
| Ameriprise Financial Inc. | 0.03% | Add +49.0% | 165,658 | $122.2M |
| Jefferies Financial Group Inc. | 1.08% | Reduce -0.3% | 155,000 | $114.3M |
| Checkpoint Capital L.P. | 37.07% | Add +0.0% | 150,000 | $110.6M |
| Legal & General Group Plc | 0.02% | Add +18.1% | 148,619 | $109.6M |
| Rock Springs Capital Management LP | 6.18% | Reduce -18.8% | 142,750 | $105.3M |
| Two Sigma Advisers, LP | 0.21% | Add +897.9% | 139,700 | $103.0M |
| Lazard Asset Management LLC | 0.14% | Add +7.6% | 137,196 | $101.2M |
| TimesSquare Capital Management, LLC | 1.35% | Reduce -4.5% | 127,530 | $94.1M |
| Eventide Asset Management, LLC | 1.52% | Reduce -0.0% | 125,371 | $92.5M |
| Federated Hermes, Inc. | 0.16% | Add +0.5% | 124,224 | $91.6M |
| TD Asset Management Inc | 0.07% | Add +0.7% | 120,902 | $89.2M |
| 1832 Asset Management L.P. | 0.14% | Reduce -35.8% | 110,700 | $81.6M |
| BNP Paribas Financial Markets | 0.06% | Add +59.8% | 106,714 | $78.7M |
| Ensign Peak Advisors, Inc | 0.12% | Add +3.2% | 96,361 | $71.1M |
| Pinebridge Investments, L.P. | 0.52% | Add +24.7% | 95,723 | $70.6M |
| Envestnet Asset Management Inc. | 0.02% | Add +10.2% | 95,711 | $70.6M |
| Summit Partners Public Asset Management, LLC | 2.22% | Add +439.9% | 92,454 | $68.2M |
| Deutsche Bank AG | 0.02% | Add +345.2% | 88,724 | $65.4M |
| Invesco Ltd. | 0.01% | Reduce -65.2% | 84,919 | $62.6M |
| Alliancebernstein L.P. | 0.02% | Add +57.4% | 84,753 | $62.5M |
| Nuveen, LLC | 0.02% | New | 81,400 | $60.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.15% | Reduce -7.8% | 80,632 | $59.5M |
| Artia Global Partners LP | 10.16% | No change | 78,311 | $57.8M |
| Eagle Health Investments LP | 14.99% | No change | 77,430 | $57.1M |
| PGGM Investments | 0.92% | No change | 76,699 | $56.6M |
| Braidwell LP | 2.27% | Reduce -60.9% | 76,091 | $56.1M |
| Caisse de depot et placement du Quebec | 0.10% | Reduce -19.0% | 73,595 | $54.3M |
| Northern Trust Corp. | 0.01% | Add +10.8% | 69,751 | $51.4M |
| Soleus Capital Management, L.P. | 2.74% | Add +61.9% | 69,426 | $51.2M |
| Raymond James Financial Inc. | 0.02% | Reduce -5.2% | 68,794 | $50.7M |
| Aberdeen Group plc | 0.08% | Reduce -5.2% | 66,676 | $49.2M |
| Manufacturers Life Insurance Company, The | 0.04% | Add +3.2% | 65,286 | $48.2M |
| New York State Common Retirement Fund | 0.06% | Add +1.6% | 65,122 | $48.0M |
| First Trust Advisors LP | 0.04% | Add +10.6% | 64,985 | $47.9M |
| Acadian Asset Management LLC | 0.08% | New | 62,804 | $46.3M |
| Voloridge Investment Management, LLC | 0.14% | Add +48.8% | 58,491 | $43.1M |
| Armistice Capital, LLC | 1.35% | Reduce -27.5% | 58,000 | $42.8M |
| Wells Fargo & Company | 0.01% | Add +0.5% | 55,674 | $41.1M |
| UBS Group AG | 0.01% | Reduce -21.2% | 53,793 | $39.7M |
| Quadrature Capital Ltd | 0.44% | Add +146.8% | 50,603 | $37.3M |
| Jane Street Group, LLC | 0.04% | Add +202.1% | 49,904 | $36.8M |
| Perpetual Ltd | 0.45% | Reduce -49.1% | 49,379 | $36.4M |
| Candriam S.C.A. | 0.19% | Add +5.8% | 48,200 | $35.6M |
| Royal Bank of Canada | 0.01% | Add +13.9% | 47,064 | $34.7M |
| Tri Locum Partners LP | 7.36% | Reduce -9.2% | 43,411 | $32.0M |
| Handelsbanken Fonder AB | 0.10% | Add +3.4% | 41,105 | $30.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +11.7% | 40,220 | $29.7M |
| First Turn Management, LLC | 4.29% | Reduce -11.8% | 38,767 | $28.6M |
| Baker Bros. Advisors LP | 0.20% | No change | 37,760 | $27.9M |
| Van Eck Associates Corp. | 0.02% | Reduce -13.3% | 36,071 | $26.6M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -39.6% | 35,183 | $25.9M |
| Oddo BHF Asset Management Sas | 0.81% | Add +33.9% | 28,889 | $21.3M |
| AXA Investment Managers S.A. | 0.05% | — | 26,710 | $19.7M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.5% | 26,114 | $19.3M |
| LPL Financial LLC | 0.01% | Add +16.9% | 25,770 | $19.0M |
| HSBC Holdings PLC | 0.01% | Add +14.0% | 25,749 | $19.0M |
| Natixis Advisors, LLC | 0.03% | Add +28.5% | 24,503 | $18.1M |
| Voya Investment Management LLC | 0.02% | Add +36.3% | 21,610 | $15.9M |
| Driehaus Capital Management LLC | 0.10% | Reduce -8.2% | 19,034 | $14.0M |
| Squarepoint Ops LLC | 0.03% | Reduce -39.3% | 18,985 | $14.0M |
| Sands Capital Management, LLC | 0.03% | New | 16,625 | $12.3M |
| Schroder Investment Management Group | 0.01% | Reduce -30.3% | 16,460 | $11.8M |
| Patient Square Capital LP | 3.06% | Reduce -46.5% | 15,500 | $11.4M |
| MML Investors Services, LLC | 0.03% | Reduce -0.0% | 15,379 | $11.3M |
| Ardsley Advisory Partners LP | 1.70% | New | 15,000 | $11.1M |
| Moore Capital Management, LP | 0.23% | Reduce -68.1% | 15,000 | $11.1M |
| Mediolanum International Funds Ltd | 0.11% | New | 14,339 | $10.3M |
| Erste Asset Management GmbH | 0.10% | Reduce -1.6% | 14,268 | $10.3M |
| Tower Research Capital LLC (TRC) | 0.28% | Reduce -28.4% | 13,853 | $10.2M |
| DCF Advisers, LLC | 3.81% | No change | 13,650 | $10.1M |
"% of holder's portfolio" is ARGX's weight in each manager's 13F, not the share of Argenx SE - ADR the manager owns.