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 |
|---|---|---|---|---|---|
| Bank of Montreal | 16,377 | $13.8M | 0.01% | +6,071+58.9% | Added |
| Bank of New York Mellon Corp | 16,549 | $13.9M | 0.00% | +9,169+124.2% | Added |
| Driehaus Capital Management LLC | 16,897 | $14.2M | 0.10% | −2,137−11.2% | Reduced |
| Susquehanna Advisors Group, Inc. | 19,079 | $16.0M | 0.52% | +19,079 | New |
| HRT Financial LP | 19,684 | $16.6M | 0.05% | +10,749+120.3% | Added |
| UBS Asset Management Americas Inc | 21,505 | $18.1M | 0.00% | +21,505 | New |
| Hudson Bay Capital Management LP | 21,822 | $18.4M | 0.11% | +11,322+107.8% | Added |
| Qube Research & Technologies Ltd | 22,451 | $18.9M | 0.03% | −12,732−36.2% | Reduced |
| Natixis Advisors, L.P. | 22,500 | $18.9M | 0.03% | −2,003−8.2% | Reduced |
| First Turn Management, LLC | 23,256 | $19.6M | 2.23% | −15,511−40.0% | Reduced |
| Oddo BHF Asset Management SAS | 23,473 | $19.7M | 0.74% | −5,416−18.7% | Reduced |
| Geode Capital Management, LLC | 23,695 | $19.9M | 0.00% | −2,419−9.3% | Reduced |
| Susquehanna International Group, LLP | 23,959 | $20.1M | 0.03% | +23,959 | New |
| Ardsley Advisory Partners LP | 24,000 | $20.2M | 2.57% | +9,000+60.0% | Added |
| Assenagon Asset Management S.A. | 24,347 | $20.5M | 0.03% | +24,347 | New |
| Moore Capital Management, LP | 25,000 | $21.0M | 0.43% | +10,000+66.7% | Added |
| Baker Bros. Advisors LP | 25,174 | $21.2M | 0.12% | −12,586−33.3% | Reduced |
| Quadrature Capital Ltd | 25,399 | $21.4M | 0.22% | −25,204−49.8% | Reduced |
| LPL Financial LLC | 25,656 | $21.6M | 0.01% | −114−0.4% | Reduced |
| Patient Square Capital LP | 26,000 | $21.9M | 4.68% | +10,500+67.7% | Added |
| Blair William & Co | 26,340 | $22.2M | 0.06% | +23,957+1,005.3% | Added |
| Squarepoint Ops LLC | 28,202 | $23.7M | 0.05% | +9,217+48.5% | Added |
| Jane Street Group, LLC | 28,485 | $24.0M | 0.03% | −21,419−42.9% | Reduced |
| Jefferies Financial Group Inc. | 30,000 | $25.2M | 0.21% | −125,000−80.6% | Reduced |
| Perpetual Ltd | 30,950 | $26.0M | 0.38% | −18,429−37.3% | Reduced |
| Braidwell LP | 31,007 | $26.1M | 0.83% | −45,084−59.3% | Reduced |
| Soleus Capital Management, L.P. | 31,726 | $26.7M | 1.13% | −37,700−54.3% | Reduced |
| Victory Capital Management Inc | 33,847 | $28.5M | 0.02% | +33,847 | New |
| Van Eck Associates Corp | 34,535 | $29.0M | 0.02% | −1,536−4.3% | Reduced |
| Royal Bank of Canada | 35,660 | $30.0M | 0.01% | −11,404−24.2% | Reduced |
| Davern Capital Partners, LP | 35,685 | $30.0M | 9.70% | +35,685 | New |
| Public Sector Pension Investment Board | 36,600 | $30.8M | 0.10% | +36,600 | New |
| Dimensional Fund Advisors LP | 36,817 | $31.0M | 0.01% | −3,403−8.5% | Reduced |
| Tri Locum Partners LP | 37,653 | $31.7M | 4.11% | −5,758−13.3% | Reduced |
| Balyasny Asset Management LLC | 41,923 | $35.3M | 0.07% | +41,923 | New |
| Amundi | 42,485 | $35.7M | 0.01% | +34,304+419.3% | Added |
| New York State Common Retirement Fund | 44,027 | $37.0M | 0.05% | −21,095−32.4% | Reduced |
| Nomura Asset Management International Inc. | 45,315 | $38.1M | 0.06% | +45,315 | New |
| Woodline Partners LP | 45,426 | $38.2M | 0.15% | −124,050−73.2% | Reduced |
| D. E. Shaw & Co., Inc. | 45,533 | $38.3M | 0.03% | −123,495−73.1% | Reduced |
| Life Cycle Investment Partners Ltd | 45,826 | $38.5M | 0.27% | +45,826 | New |
| Candriam Luxembourg S.C.A. | 48,741 | $41.0M | 0.20% | +541+1.1% | Added |
| Nomura Asset Management Co Ltd | 49,358 | $41.5M | 0.11% | +35,758+262.9% | Added |
| Standard Life Aberdeen plc | 52,347 | $44.0M | 0.07% | −14,329−21.5% | Reduced |
| Handelsbanken Fonder AB | 52,678 | $44.3M | 0.13% | +11,573+28.2% | Added |
| First Trust Advisors LP | 53,902 | $45.3M | 0.03% | −11,083−17.1% | Reduced |
| Wells Fargo & Company | 54,390 | $45.7M | 0.01% | −1,284−2.3% | Reduced |
| PGGM Investments | 54,830 | $46.1M | 0.73% | −21,869−28.5% | Reduced |
| Manufacturers Life Insurance Company, The | 57,408 | $48.1M | 0.04% | −7,878−12.1% | Reduced |
| Raymond James Financial Inc | 57,489 | $48.3M | 0.02% | −11,305−16.4% | Reduced |
| Armistice Capital, LLC | 58,000 | $48.8M | 1.19% | 00.0% | Unchanged |
| Jain Global LLC | 58,250 | $49.0M | 0.48% | +55,986+2,472.9% | Added |
| UBS Group AG | 60,384 | $50.8M | 0.01% | +6,591+12.3% | Added |
| Millennium Management LLC | 60,458 | $50.8M | 0.04% | −287,060−82.6% | Reduced |
| Bessemer Group Inc | 62,537 | $52.6M | 0.08% | +62,473+97,614.1% | Added |
| Eagle Health Investments LP | 62,730 | $52.8M | 11.59% | −14,700−19.0% | Reduced |
| Northern Trust Corp | 64,244 | $54.0M | 0.01% | −5,507−7.9% | Reduced |
| Artia Global Partners LP | 64,699 | $54.4M | 8.74% | −13,612−17.4% | Reduced |
| Nuveen, LLC | 66,241 | $55.7M | 0.01% | −15,159−18.6% | Reduced |
| BNP Paribas Arbitrage, SA | 70,744 | $59.5M | 0.04% | −35,970−33.7% | Reduced |
| Pinebridge Investments LLC | 72,040 | $60.6M | 0.45% | +72,040 | New |
| Envestnet Asset Management Inc | 79,989 | $67.3M | 0.02% | −15,722−16.4% | Reduced |
| Summit Partners Public Asset Management, LLC | 82,620 | $69.5M | 1.95% | −9,834−10.6% | Reduced |
| Ensign Peak Advisors, Inc | 90,452 | $76.1M | 0.13% | −5,909−6.1% | Reduced |
| TD Asset Management Inc | 101,523 | $85.4M | 0.07% | −19,379−16.0% | Reduced |
| Rock Springs Capital Management LP | 103,250 | $86.8M | 4.45% | −39,500−27.7% | Reduced |
| Federated Hermes, Inc. | 106,770 | $89.8M | 0.15% | −17,454−14.1% | Reduced |
| TimesSquare Capital Management, LLC | 108,509 | $91.3M | 1.37% | −19,021−14.9% | Reduced |
| 1832 Asset Management L.P. | 110,700 | $93.1M | 0.12% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 115,358 | $97.0M | 0.11% | +34,726+43.1% | Added |
| Acadian Asset Management LLC | 117,887 | $99.1M | 0.16% | +55,083+87.7% | Added |
| Eventide Asset Management, LLC | 121,221 | $101.9M | 1.59% | −4,150−3.3% | Reduced |
| Agf Management Ltd | 124,691 | $104.9M | 0.45% | +124,691 | New |
| Lazard Asset Management LLC | 133,030 | $111.9M | 0.19% | −4,166−3.0% | Reduced |
| Deutsche Bank AG | 134,710 | $113.3M | 0.04% | +45,986+51.8% | Added |
| Two Sigma Advisers, LP | 135,500 | $113.9M | 0.22% | −4,200−3.0% | Reduced |
| Checkpoint Capital L.P. | 142,000 | $119.4M | 37.83% | −8,000−5.3% | Reduced |
| Legal & General Group Plc | 144,355 | $121.4M | 0.03% | −4,264−2.9% | Reduced |
| OrbiMed Advisors LLC | 146,000 | $122.8M | 2.51% | −26,300−15.3% | Reduced |
| Pictet Asset Management Holding SA | 153,211 | $128.8M | 0.13% | −16,122−9.5% | Reduced |
| Bamco Inc | 153,719 | $129.3M | 0.35% | −13,975−8.3% | Reduced |
| Goldman Sachs Group Inc | 167,206 | $140.6M | 0.02% | −25,907−13.4% | Reduced |
| Voya Investment Management LLC | 169,098 | $142.2M | 0.14% | +147,488+682.5% | Added |
| Allspring Global Investments Holdings, LLC | 172,732 | $145.1M | 0.24% | −38,598−18.3% | Reduced |
| Ameriprise Financial Inc | 187,139 | $157.4M | 0.04% | +21,481+13.0% | Added |
| Lord, Abbett & Co. LLC | 203,864 | $171.4M | 0.53% | +6,987+3.5% | Added |
| American Century Companies Inc | 221,048 | $185.9M | 0.09% | −8,722−3.8% | Reduced |
| William Blair Investment Management, LLC | 223,666 | $188.1M | 0.52% | +223,666 | New |
| Fiera Capital Corp | 225,971 | $190.0M | 0.60% | +48,317+27.2% | Added |
| Jennison Associates LLC | 229,761 | $193.2M | 0.12% | −10,467−4.4% | Reduced |
| Franklin Resources Inc | 237,701 | $199.9M | 0.05% | −20,573−8.0% | Reduced |
| Two Sigma Investments, LP | 258,556 | $217.4M | 0.32% | −35,604−12.1% | Reduced |
| SEI Investments Co | 330,506 | $277.9M | 0.27% | +18,238+5.8% | Added |
| Citadel Advisors LLC | 350,851 | $295.0M | 0.20% | −362,708−50.8% | Reduced |
| Sands Capital Management, LLC | 356,870 | $300.1M | 0.91% | +340,245+2,046.6% | Added |
| Bank of America Corp | 400,776 | $337.0M | 0.02% | +58,397+17.1% | Added |
| Alliancebernstein L.P. | 414,182 | $348.3M | 0.11% | +329,429+388.7% | Added |
| Invesco Ltd. | 416,408 | $350.2M | 0.03% | +331,489+390.4% | Added |
| Bellevue Group AG | 461,854 | $388.4M | 7.36% | −84,474−15.5% | Reduced |
| Clearbridge Investments, LLC | 513,764 | $432.1M | 0.35% | −243,098−32.1% | Reduced |