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, Q4 2025
Institutional positions in Argenx SE as of Dec 31, 2025. 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
- +48 vs. Q3 2025
- Shares held
- 29.7M
- −625.4K (−2.1%) vs. Q3 2025
- Total value
- $25.0B
- +$2.60B (+11.6%) vs. Q3 2025
- New holders
- 100
- 175 more added
- Sold out
- 52
- 167 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Argenx SE; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 5,592,319 | $4.70B | 0.24% | −100,027−1.8% | Reduced |
| Price T Rowe Associates Inc | 3,362,324 | $2.83B | 0.30% | −278,085−7.6% | Reduced |
| Janus Henderson Group PLC | 2,458,164 | $2.06B | 0.92% | −117,087−4.5% | Reduced |
| Capital World Investors | 1,916,234 | $1.61B | 0.22% | −43,270−2.2% | Reduced |
| Artisan Partners Limited Partnership | 1,756,942 | $1.48B | 2.26% | −429,568−19.6% | Reduced |
| Avoro Capital Advisors LLC | 990,000 | $832.5M | 8.18% | 00.0% | Unchanged |
| BlackRock, Inc. | 735,598 | $618.6M | 0.01% | +211,797+40.4% | Added |
| Wellington Management Group LLP | 679,236 | $571.2M | 0.10% | −50,750−7.0% | Reduced |
| RTW Investments, LP | 673,497 | $566.4M | 5.67% | 00.0% | Unchanged |
| Morgan Stanley | 518,852 | $436.3M | 0.03% | +83,746+19.2% | Added |
| Clearbridge Investments, LLC | 513,764 | $432.1M | 0.35% | −243,098−32.1% | Reduced |
| Bellevue Group AG | 461,854 | $388.4M | 7.36% | −84,474−15.5% | Reduced |
| Invesco Ltd. | 416,408 | $350.2M | 0.03% | +331,489+390.4% | Added |
| Alliancebernstein L.P. | 414,182 | $348.3M | 0.11% | +329,429+388.7% | Added |
| Bank of America Corp | 400,776 | $337.0M | 0.02% | +58,397+17.1% | Added |
| Sands Capital Management, LLC | 356,870 | $300.1M | 0.91% | +340,245+2,046.6% | Added |
| Citadel Advisors LLC | 350,851 | $295.0M | 0.20% | −362,708−50.8% | Reduced |
| SEI Investments Co | 330,506 | $277.9M | 0.27% | +18,238+5.8% | Added |
| Two Sigma Investments, LP | 258,556 | $217.4M | 0.32% | −35,604−12.1% | Reduced |
| Franklin Resources Inc | 237,701 | $199.9M | 0.05% | −20,573−8.0% | Reduced |
| Jennison Associates LLC | 229,761 | $193.2M | 0.12% | −10,467−4.4% | Reduced |
| Fiera Capital Corp | 225,971 | $190.0M | 0.60% | +48,317+27.2% | Added |
| William Blair Investment Management, LLC | 223,666 | $188.1M | 0.52% | +223,666 | New |
| American Century Companies Inc | 221,048 | $185.9M | 0.09% | −8,722−3.8% | Reduced |
| Lord, Abbett & Co. LLC | 203,864 | $171.4M | 0.53% | +6,987+3.5% | Added |
| Ameriprise Financial Inc | 187,139 | $157.4M | 0.04% | +21,481+13.0% | Added |
| Allspring Global Investments Holdings, LLC | 172,732 | $145.1M | 0.24% | −38,598−18.3% | Reduced |
| Voya Investment Management LLC | 169,098 | $142.2M | 0.14% | +147,488+682.5% | Added |
| Goldman Sachs Group Inc | 167,206 | $140.6M | 0.02% | −25,907−13.4% | Reduced |
| Bamco Inc | 153,719 | $129.3M | 0.35% | −13,975−8.3% | Reduced |
| Pictet Asset Management Holding SA | 153,211 | $128.8M | 0.13% | −16,122−9.5% | Reduced |
| OrbiMed Advisors LLC | 146,000 | $122.8M | 2.51% | −26,300−15.3% | Reduced |
| Legal & General Group Plc | 144,355 | $121.4M | 0.03% | −4,264−2.9% | Reduced |
| Checkpoint Capital L.P. | 142,000 | $119.4M | 37.83% | −8,000−5.3% | Reduced |
| Two Sigma Advisers, LP | 135,500 | $113.9M | 0.22% | −4,200−3.0% | Reduced |
| Deutsche Bank AG | 134,710 | $113.3M | 0.04% | +45,986+51.8% | Added |
| Lazard Asset Management LLC | 133,030 | $111.9M | 0.19% | −4,166−3.0% | Reduced |
| Agf Management Ltd | 124,691 | $104.9M | 0.45% | +124,691 | New |
| Eventide Asset Management, LLC | 121,221 | $101.9M | 1.59% | −4,150−3.3% | Reduced |
| Acadian Asset Management LLC | 117,887 | $99.1M | 0.16% | +55,083+87.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 115,358 | $97.0M | 0.11% | +34,726+43.1% | Added |
| 1832 Asset Management L.P. | 110,700 | $93.1M | 0.12% | 00.0% | Unchanged |
| TimesSquare Capital Management, LLC | 108,509 | $91.3M | 1.37% | −19,021−14.9% | Reduced |
| Federated Hermes, Inc. | 106,770 | $89.8M | 0.15% | −17,454−14.1% | Reduced |
| Rock Springs Capital Management LP | 103,250 | $86.8M | 4.45% | −39,500−27.7% | Reduced |
| TD Asset Management Inc | 101,523 | $85.4M | 0.07% | −19,379−16.0% | Reduced |
| Ensign Peak Advisors, Inc | 90,452 | $76.1M | 0.13% | −5,909−6.1% | Reduced |
| Summit Partners Public Asset Management, LLC | 82,620 | $69.5M | 1.95% | −9,834−10.6% | Reduced |
| Envestnet Asset Management Inc | 79,989 | $67.3M | 0.02% | −15,722−16.4% | Reduced |
| Pinebridge Investments LLC | 72,040 | $60.6M | 0.45% | +72,040 | New |
| BNP Paribas Arbitrage, SA | 70,744 | $59.5M | 0.04% | −35,970−33.7% | Reduced |
| Nuveen, LLC | 66,241 | $55.7M | 0.01% | −15,159−18.6% | Reduced |
| Artia Global Partners LP | 64,699 | $54.4M | 8.74% | −13,612−17.4% | Reduced |
| Northern Trust Corp | 64,244 | $54.0M | 0.01% | −5,507−7.9% | Reduced |
| Eagle Health Investments LP | 62,730 | $52.8M | 11.59% | −14,700−19.0% | Reduced |
| Bessemer Group Inc | 62,537 | $52.6M | 0.08% | +62,473+97,614.1% | Added |
| Millennium Management LLC | 60,458 | $50.8M | 0.04% | −287,060−82.6% | Reduced |
| UBS Group AG | 60,384 | $50.8M | 0.01% | +6,591+12.3% | Added |
| Jain Global LLC | 58,250 | $49.0M | 0.48% | +55,986+2,472.9% | Added |
| Armistice Capital, LLC | 58,000 | $48.8M | 1.19% | 00.0% | Unchanged |
| Raymond James Financial Inc | 57,489 | $48.3M | 0.02% | −11,305−16.4% | Reduced |
| Manufacturers Life Insurance Company, The | 57,408 | $48.1M | 0.04% | −7,878−12.1% | Reduced |
| PGGM Investments | 54,830 | $46.1M | 0.73% | −21,869−28.5% | Reduced |
| Wells Fargo & Company | 54,390 | $45.7M | 0.01% | −1,284−2.3% | Reduced |
| First Trust Advisors LP | 53,902 | $45.3M | 0.03% | −11,083−17.1% | Reduced |
| Handelsbanken Fonder AB | 52,678 | $44.3M | 0.13% | +11,573+28.2% | Added |
| Standard Life Aberdeen plc | 52,347 | $44.0M | 0.07% | −14,329−21.5% | Reduced |
| Nomura Asset Management Co Ltd | 49,358 | $41.5M | 0.11% | +35,758+262.9% | Added |
| Candriam Luxembourg S.C.A. | 48,741 | $41.0M | 0.20% | +541+1.1% | Added |
| Life Cycle Investment Partners Ltd | 45,826 | $38.5M | 0.27% | +45,826 | New |
| D. E. Shaw & Co., Inc. | 45,533 | $38.3M | 0.03% | −123,495−73.1% | Reduced |
| Woodline Partners LP | 45,426 | $38.2M | 0.15% | −124,050−73.2% | Reduced |
| Nomura Asset Management International Inc. | 45,315 | $38.1M | 0.06% | +45,315 | New |
| New York State Common Retirement Fund | 44,027 | $37.0M | 0.05% | −21,095−32.4% | Reduced |
| Amundi | 42,485 | $35.7M | 0.01% | +34,304+419.3% | Added |
| Balyasny Asset Management LLC | 41,923 | $35.3M | 0.07% | +41,923 | New |
| Tri Locum Partners LP | 37,653 | $31.7M | 4.11% | −5,758−13.3% | Reduced |
| Dimensional Fund Advisors LP | 36,817 | $31.0M | 0.01% | −3,403−8.5% | Reduced |
| Public Sector Pension Investment Board | 36,600 | $30.8M | 0.10% | +36,600 | New |
| Davern Capital Partners, LP | 35,685 | $30.0M | 9.70% | +35,685 | New |
| Royal Bank of Canada | 35,660 | $30.0M | 0.01% | −11,404−24.2% | Reduced |
| Van Eck Associates Corp | 34,535 | $29.0M | 0.02% | −1,536−4.3% | Reduced |
| Victory Capital Management Inc | 33,847 | $28.5M | 0.02% | +33,847 | New |
| Soleus Capital Management, L.P. | 31,726 | $26.7M | 1.13% | −37,700−54.3% | Reduced |
| Braidwell LP | 31,007 | $26.1M | 0.83% | −45,084−59.3% | Reduced |
| Perpetual Ltd | 30,950 | $26.0M | 0.38% | −18,429−37.3% | Reduced |
| Jefferies Financial Group Inc. | 30,000 | $25.2M | 0.21% | −125,000−80.6% | Reduced |
| Jane Street Group, LLC | 28,485 | $24.0M | 0.03% | −21,419−42.9% | Reduced |
| Squarepoint Ops LLC | 28,202 | $23.7M | 0.05% | +9,217+48.5% | Added |
| Blair William & Co | 26,340 | $22.2M | 0.06% | +23,957+1,005.3% | Added |
| Patient Square Capital LP | 26,000 | $21.9M | 4.68% | +10,500+67.7% | Added |
| LPL Financial LLC | 25,656 | $21.6M | 0.01% | −114−0.4% | Reduced |
| Quadrature Capital Ltd | 25,399 | $21.4M | 0.22% | −25,204−49.8% | Reduced |
| Baker Bros. Advisors LP | 25,174 | $21.2M | 0.12% | −12,586−33.3% | Reduced |
| Moore Capital Management, LP | 25,000 | $21.0M | 0.43% | +10,000+66.7% | Added |
| Assenagon Asset Management S.A. | 24,347 | $20.5M | 0.03% | +24,347 | New |
| Ardsley Advisory Partners LP | 24,000 | $20.2M | 2.57% | +9,000+60.0% | Added |
| Susquehanna International Group, LLP | 23,959 | $20.1M | 0.03% | +23,959 | New |
| Geode Capital Management, LLC | 23,695 | $19.9M | 0.00% | −2,419−9.3% | Reduced |
| Oddo BHF Asset Management SAS | 23,473 | $19.7M | 0.74% | −5,416−18.7% | Reduced |