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, Q1 2026
Institutional positions in Argenx SE as of Mar 31, 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
- 478
- −26 vs. Q4 2025
- Shares held
- 28.8M
- −929.3K (−3.1%) vs. Q4 2025
- Total value
- $21.1B
- −$3.92B (−15.7%) vs. Q4 2025
- New holders
- 63
- 178 more added
- Sold out
- 89
- 172 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Argenx SE; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 32,255 | $23.6M | 0.02% | −1,592−4.7% | Reduced |
| Royal Bank of Canada | 32,917 | $24.0M | 0.00% | −2,743−7.7% | Reduced |
| Davern Capital Partners, LP | 35,045 | $25.6M | 7.02% | −640−1.8% | Reduced |
| Patient Square Capital LP | 36,718 | $26.8M | 4.76% | +10,718+41.2% | Added |
| Raymond James Financial Inc | 36,802 | $26.9M | 0.01% | −20,687−36.0% | Reduced |
| Wells Fargo & Company | 38,104 | $27.8M | 0.01% | −16,286−29.9% | Reduced |
| Jane Street Group, LLC | 38,438 | $28.1M | 0.03% | +9,953+34.9% | Added |
| Dimensional Fund Advisors LP | 38,794 | $28.3M | 0.01% | +1,977+5.4% | Added |
| New York State Common Retirement Fund | 39,437 | $28.8M | 0.04% | −4,590−10.4% | Reduced |
| Van Eck Associates Corp | 40,397 | $29.5M | 0.02% | +5,862+17.0% | Added |
| Nomura Asset Management Co Ltd | 49,306 | $36.0M | 0.09% | −52−0.1% | Reduced |
| Manufacturers Life Insurance Company, The | 49,330 | $36.0M | 0.03% | −8,078−14.1% | Reduced |
| D. E. Shaw & Co., Inc. | 52,122 | $38.1M | 0.03% | +6,589+14.5% | Added |
| Candriam Luxembourg S.C.A. | 54,148 | $39.5M | 0.21% | +5,407+11.1% | Added |
| Handelsbanken Fonder AB | 54,926 | $40.1M | 0.13% | +2,248+4.3% | Added |
| Nomura Asset Management International Inc. | 58,374 | $42.6M | 0.07% | +13,059+28.8% | Added |
| Northern Trust Corp | 58,706 | $42.9M | 0.01% | −5,538−8.6% | Reduced |
| Life Cycle Investment Partners Ltd | 58,867 | $43.0M | 0.27% | +13,041+28.5% | Added |
| Envestnet Asset Management Inc | 61,418 | $44.9M | 0.01% | −18,571−23.2% | Reduced |
| Amundi | 61,433 | $44.9M | 0.01% | +18,948+44.6% | Added |
| Bessemer Group Inc | 64,251 | $46.9M | 0.07% | +1,714+2.7% | Added |
| Nuveen, LLC | 66,241 | $48.4M | 0.01% | 00.0% | Unchanged |
| PGGM Investments | 71,514 | $52.2M | 0.92% | +16,684+30.4% | Added |
| Ensign Peak Advisors, Inc | 71,598 | $52.3M | 0.10% | −18,854−20.8% | Reduced |
| Millennium Management LLC | 72,365 | $52.8M | 0.04% | +11,907+19.7% | Added |
| Public Sector Pension Investment Board | 73,300 | $53.5M | 0.17% | +36,700+100.3% | Added |
| Eagle Health Investments LP | 76,336 | $55.7M | 11.70% | +13,606+21.7% | Added |
| TD Asset Management Inc | 80,824 | $59.0M | 0.05% | −20,699−20.4% | Reduced |
| Standard Life Aberdeen plc | 82,106 | $60.0M | 0.10% | +29,759+56.8% | Added |
| TimesSquare Capital Management, LLC | 83,117 | $60.7M | 1.03% | −25,392−23.4% | Reduced |
| 1832 Asset Management L.P. | 84,200 | $61.5M | 0.08% | −26,500−23.9% | Reduced |
| Braidwell LP | 84,939 | $62.0M | 2.07% | +53,932+173.9% | Added |
| Bank of Montreal | 85,333 | $62.3M | 0.03% | +68,956+421.1% | Added |
| Adage Capital Partners GP, L.L.C. | 90,000 | $65.7M | 0.10% | +90,000 | New |
| Federated Hermes, Inc. | 95,253 | $69.6M | 0.11% | −11,517−10.8% | Reduced |
| Rock Springs Capital Management LP | 98,500 | $71.9M | 4.24% | −4,750−4.6% | Reduced |
| Pinebridge Investments LLC | 103,812 | $75.8M | 0.64% | +31,772+44.1% | Added |
| First Trust Advisors LP | 107,195 | $78.3M | 0.06% | +53,293+98.9% | Added |
| Two Sigma Investments, LP | 109,121 | $79.7M | 0.07% | −149,435−57.8% | Reduced |
| Agf Management Ltd | 125,069 | $91.3M | 0.41% | +378+0.3% | Added |
| Eventide Asset Management, LLC | 125,657 | $91.7M | 1.52% | +4,436+3.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 129,147 | $94.3M | 0.11% | +13,789+12.0% | Added |
| Lazard Asset Management LLC | 133,347 | $97.4M | 0.16% | +317+0.2% | Added |
| OrbiMed Advisors LLC | 136,900 | $100.0M | 2.27% | −9,100−6.2% | Reduced |
| Bamco Inc | 138,648 | $101.2M | 0.31% | −15,071−9.8% | Reduced |
| Deutsche Bank AG | 139,381 | $101.8M | 0.03% | +4,671+3.5% | Added |
| Pictet Asset Management Holding SA | 148,306 | $108.0M | 0.11% | −4,905−3.2% | Reduced |
| Legal & General Group Plc | 150,850 | $110.2M | 0.03% | +6,495+4.5% | Added |
| Lord, Abbett & Co. LLC | 152,083 | $111.1M | 0.36% | −51,781−25.4% | Reduced |
| Checkpoint Capital L.P. | 153,000 | $111.7M | 40.10% | +11,000+7.7% | Added |
| American Century Companies Inc | 173,700 | $126.8M | 0.07% | −47,348−21.4% | Reduced |
| BNP Paribas Arbitrage, SA | 177,836 | $129.9M | 0.09% | +107,092+151.4% | Added |
| Allspring Global Investments Holdings, LLC | 175,311 | $130.3M | 0.22% | +2,579+1.5% | Added |
| Ameriprise Financial Inc | 215,910 | $157.7M | 0.04% | +28,771+15.4% | Added |
| Fiera Capital Corp | 217,198 | $158.6M | 0.54% | −8,773−3.9% | Reduced |
| Citadel Advisors LLC | 219,126 | $160.0M | 0.11% | −131,725−37.5% | Reduced |
| Clearbridge Investments, LLC | 231,356 | $168.9M | 0.15% | −282,408−55.0% | Reduced |
| Goldman Sachs Group Inc | 231,985 | $169.4M | 0.02% | +64,779+38.7% | Added |
| Franklin Resources Inc | 233,493 | $170.5M | 0.04% | −4,208−1.8% | Reduced |
| Jennison Associates LLC | 237,468 | $173.4M | 0.12% | +7,707+3.4% | Added |
| William Blair Investment Management, LLC | 266,067 | $194.4M | 0.64% | +42,401+19.0% | Added |
| SEI Investments Co | 286,966 | $209.6M | 0.19% | −43,540−13.2% | Reduced |
| Bellevue Group AG | 313,000 | $228.6M | 5.44% | −148,854−32.2% | Reduced |
| Sands Capital Management, LLC | 340,285 | $248.5M | 0.97% | −16,585−4.6% | Reduced |
| Bank of America Corp | 400,117 | $292.2M | 0.02% | −659−0.2% | Reduced |
| Alliancebernstein L.P. | 422,304 | $355.1M | 0.12% | +8,122+2.0% | Added |
| Morgan Stanley | 560,711 | $409.5M | 0.02% | +41,859+8.1% | Added |
| Invesco Ltd. | 594,697 | $434.3M | 0.04% | +178,289+42.8% | Added |
| RTW Investments, LP | 709,446 | $518.1M | 5.16% | +35,949+5.3% | Added |
| BlackRock, Inc. | 808,337 | $590.3M | 0.01% | +72,739+9.9% | Added |
| Avoro Capital Advisors LLC | 1,000,000 | $730.3M | 7.19% | +10,000+1.0% | Added |
| Wellington Management Group LLP | 1,021,457 | $745.9M | 0.14% | +342,221+50.4% | Added |
| Artisan Partners Limited Partnership | 1,467,982 | $1.07B | 1.75% | −288,960−16.4% | Reduced |
| Capital World Investors | 2,256,216 | $1.65B | 0.22% | +339,982+17.7% | Added |
| Janus Henderson Group PLC | 2,541,732 | $1.85B | 0.88% | +83,568+3.4% | Added |
| Price T Rowe Associates Inc | 3,374,955 | $2.46B | 0.28% | +12,631+0.4% | Added |
| FMR LLC | 4,991,034 | $3.64B | 0.19% | −601,285−10.8% | Reduced |
| Worth Financial Advisory Group, LLC | 40 | – | – | +40 | New |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −135,500−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −117,887−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −82,620−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −58,000−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −45,426−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −25,399−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −24,000−100.0% | Sold out |
| First Turn Management, LLC | 0 | $0 | 0.00% | −23,256−100.0% | Sold out |
| Susquehanna Advisors Group, Inc. | 0 | $0 | 0.00% | −19,079−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −16,897−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −13,508−100.0% | Sold out |
| Independent Advisor Alliance | 0 | $0 | 0.00% | −8,651−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −7,798−100.0% | Sold out |
| Beck Bode, LLC | 0 | $0 | 0.00% | −6,672−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −6,041−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −4,640−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −4,297−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −8,445−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −3,179−100.0% | Sold out |
| Main Management ETF Advisors, LLC | 0 | $0 | 0.00% | −3,132−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −3,115−100.0% | Sold out |