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 |
|---|---|---|---|---|---|
| Cim, LLC | 2,769 | $2.02M | 0.29% | +133+5.0% | Added |
| Pathstone Holdings, LLC | 2,772 | $2.02M | 0.01% | +67+2.5% | Added |
| Quadrant Capital Group LLC | 2,778 | $2.03M | 0.06% | −28−1.0% | Reduced |
| Cerity Partners LLC | 2,788 | $2.04M | 0.00% | −880−24.0% | Reduced |
| Nan Fung Group Holdings Ltd | 2,800 | $2.04M | 1.69% | 00.0% | Unchanged |
| US Bancorp | 2,823 | $2.06M | 0.00% | −3,562−55.8% | Reduced |
| Nicholas Investment Partners, LP | 2,898 | $2.12M | 0.15% | −5,356−64.9% | Reduced |
| JustInvest LLC | 3,136 | $2.29M | 0.02% | −336−9.7% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 3,327 | $2.43M | 0.14% | +3,327 | New |
| Havemeyer Place LP | 3,431 | $2.51M | 0.29% | +2,956+622.3% | Added |
| Soleus Capital Management, L.P. | 3,500 | $2.56M | 0.10% | −28,226−89.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 3,597 | $2.63M | 0.00% | +3,597 | New |
| Mariner, LLC | 3,618 | $2.64M | 0.00% | −136−3.6% | Reduced |
| Brinker Capital Investments, LLC | 3,730 | $2.72M | 0.02% | −3,543−48.7% | Reduced |
| Sectoral Asset Management Inc | 3,564 | $2.74M | 2.27% | +670+23.2% | Added |
| AWM Investment Company, Inc. | 3,750 | $2.74M | 0.30% | 00.0% | Unchanged |
| Rhumbline Advisers | 3,752 | $2.74M | 0.00% | +1,923+105.1% | Added |
| Boston Common Asset Management, LLC | 3,753 | $2.74M | 0.18% | +3,753 | New |
| The PNC Financial Services Group, Inc. | 3,796 | $2.77M | 0.00% | +570+17.7% | Added |
| Truist Financial Corp | 3,878 | $2.83M | 0.00% | −643−14.2% | Reduced |
| Ethic Inc. | 4,029 | $2.94M | 0.05% | −56−1.4% | Reduced |
| Guggenheim Capital LLC | 4,032 | $2.94M | 0.02% | +1,236+44.2% | Added |
| Nilsine Partners, LLC | 4,126 | $3.23M | 0.25% | +473+12.9% | Added |
| Harvey Capital Management Inc | 4,501 | $3.29M | 0.75% | +4,501 | New |
| PFM Health Sciences, LP | 4,535 | $3.31M | 0.35% | +333+7.9% | Added |
| Kennedy Capital Management, Inc. | 4,577 | $3.34M | 0.07% | +1,032+29.1% | Added |
| Jain Global LLC | 4,641 | $3.39M | 0.04% | −53,609−92.0% | Reduced |
| Acuta Capital Partners, LLC | 4,690 | $3.42M | 2.44% | −161−3.3% | Reduced |
| Colony Group, LLC | 4,810 | $3.51M | 0.00% | +1,329+38.2% | Added |
| HighVista Strategies LLC | 4,918 | $3.59M | 0.99% | +1,330+37.1% | Added |
| Varma Mutual Pension Insurance Co | 5,000 | $3.65M | 0.02% | +1,000+25.0% | Added |
| M&T Bank Corp | 5,029 | $3.67M | 0.01% | +49+1.0% | Added |
| China Universal Asset Management Co., Ltd. | 5,035 | $3.68M | 0.28% | +291+6.1% | Added |
| O'Shaughnessy Asset Management, LLC | 5,055 | $3.69M | 0.02% | +385+8.2% | Added |
| State Street Corp | 5,113 | $3.73M | 0.00% | +379+8.0% | Added |
| QVT Financial LP | 5,218 | $3.81M | 0.30% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 5,298 | $3.87M | 0.00% | −778−12.8% | Reduced |
| Barclays PLC | 5,500 | $4.02M | 0.00% | −5,025−47.7% | Reduced |
| Voya Investment Management LLC | 5,545 | $4.05M | 0.00% | −163,553−96.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 5,550 | $4.05M | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 5,884 | $4.30M | 0.08% | +1,714+41.1% | Added |
| iA Global Asset Management Inc. | 6,000 | $4.38M | 0.06% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 6,002 | $4.38M | 0.16% | +500+9.1% | Added |
| MML Investors Services, LLC | 6,011 | $4.39M | 0.01% | −5,925−49.6% | Reduced |
| Cetera Investment Advisers | 6,732 | $4.92M | 0.01% | −2,467−26.8% | Reduced |
| Maryland State Retirement & Pension System | 6,892 | $5.03M | 0.10% | +462+7.2% | Added |
| Federation des caisses Desjardins du Quebec | 6,919 | $5.05M | 0.02% | +735+11.9% | Added |
| Trexquant Investment LP | 7,009 | $5.12M | 0.04% | +5,900+532.0% | Added |
| Navellier & Associates Inc | 7,023 | $5.13M | 0.53% | +355+5.3% | Added |
| EFG International AG | 7,083 | $5.17M | 0.11% | +887+14.3% | Added |
| Mackenzie Financial Corp | 7,436 | $5.43M | 0.01% | +1,206+19.4% | Added |
| Cinctive Capital Management LP | 7,687 | $5.61M | 0.37% | +1,081+16.4% | Added |
| Stifel Financial Corp | 8,069 | $5.89M | 0.01% | −1,498−15.7% | Reduced |
| Creative Planning | 8,239 | $6.02M | 0.00% | −470−5.4% | Reduced |
| CVFG LLC | 8,517 | $6.22M | 0.77% | +8,517 | New |
| Crossmark Global Holdings, Inc. | 8,668 | $6.33M | 0.09% | +500+6.1% | Added |
| Campbell & CO Investment Adviser LLC | 9,034 | $6.60M | 0.38% | −2,143−19.2% | Reduced |
| Citigroup Inc | 9,082 | $6.63M | 0.00% | −1,878−17.1% | Reduced |
| Assetmark, Inc | 9,275 | $6.77M | 0.01% | −565−5.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 9,371 | $6.84M | 0.03% | +9,012+2,510.3% | Added |
| Charles Schwab Investment Management Inc | 9,404 | $6.87M | 0.00% | +1,161+14.1% | Added |
| Optiver Holding B.V. | 10,110 | $7.38M | 0.28% | +9,106+907.0% | Added |
| Quantinno Capital Management LP | 11,148 | $8.14M | 0.01% | +1,111+11.1% | Added |
| Great West Life Assurance Co | 11,567 | $8.48M | 0.02% | −1,008−8.0% | Reduced |
| Tower Research Capital LLC (TRC) | 12,112 | $8.84M | 0.23% | −3,161−20.7% | Reduced |
| USS Investment Management Ltd | 12,144 | $8.87M | 0.04% | +147+1.2% | Added |
| JPMorgan Chase & Co | 13,005 | $9.16M | 0.00% | −994−7.1% | Reduced |
| Thrivent Financial for Lutherans | 12,682 | $9.26M | 0.02% | +1,861+17.2% | Added |
| Balyasny Asset Management LLC | 13,111 | $9.57M | 0.02% | −28,812−68.7% | Reduced |
| Erste Asset Management GmbH | 14,206 | $10.0M | 0.09% | −96−0.7% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 13,800 | $10.1M | 0.08% | +10,200+283.3% | Added |
| CenterBook Partners LP | 13,934 | $10.2M | 0.55% | +13,934 | New |
| Susquehanna International Group, LLP | 14,392 | $10.5M | 0.01% | −9,567−39.9% | Reduced |
| Allianz Asset Management GmbH | 14,401 | $10.5M | 0.01% | +11,400+379.9% | Added |
| DCF Advisers, LLC | 14,650 | $10.7M | 4.03% | +1,000+7.3% | Added |
| Assenagon Asset Management S.A. | 14,786 | $10.8M | 0.02% | −9,561−39.3% | Reduced |
| Jones Financial Companies LLLP | 16,809 | $11.6M | 0.01% | +16,253+2,923.2% | Added |
| Bank of New York Mellon Corp | 17,183 | $12.5M | 0.00% | +634+3.8% | Added |
| Squarepoint Ops LLC | 18,679 | $13.6M | 0.03% | −9,523−33.8% | Reduced |
| HRT Financial LP | 18,754 | $13.7M | 0.03% | −930−4.7% | Reduced |
| Mirova | 19,833 | $14.5M | 0.59% | +19,833 | New |
| Schroder Investment Management Group | 21,023 | $14.8M | 0.01% | +9,471+82.0% | Added |
| HSBC Holdings PLC | 20,379 | $14.9M | 0.01% | +20,379 | New |
| Natixis Advisors, L.P. | 20,380 | $14.9M | 0.02% | −2,120−9.4% | Reduced |
| Blair William & Co | 22,407 | $16.4M | 0.05% | −3,933−14.9% | Reduced |
| Voloridge Investment Management, LLC | 22,651 | $16.5M | 0.07% | +8,539+60.5% | Added |
| LPL Financial LLC | 23,247 | $17.0M | 0.00% | −2,409−9.4% | Reduced |
| LMR Partners LLP | 23,488 | $17.2M | 0.16% | +19,682+517.1% | Added |
| Geode Capital Management, LLC | 23,569 | $17.2M | 0.00% | −126−0.5% | Reduced |
| Oddo BHF Asset Management SAS | 25,009 | $18.3M | 0.72% | +1,536+6.5% | Added |
| Baker Bros. Advisors LP | 25,174 | $18.4M | 0.11% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 25,536 | $18.6M | 0.03% | +3,085+13.7% | Added |
| Jones Hill Capital LP | 25,995 | $19.0M | 4.07% | +25,995 | New |
| UBS Asset Management Americas Inc | 27,506 | $20.1M | 0.00% | +6,001+27.9% | Added |
| Perpetual Ltd | 28,359 | $20.7M | 0.32% | −2,591−8.4% | Reduced |
| Artia Global Partners LP | 29,739 | $21.7M | 4.90% | −34,960−54.0% | Reduced |
| Hudson Bay Capital Management LP | 30,000 | $21.9M | 0.13% | +8,178+37.5% | Added |
| Jefferies Financial Group Inc. | 30,005 | $21.9M | 0.27% | +50.0% | Added |
| Tri Locum Partners LP | 31,635 | $23.1M | 3.24% | −6,018−16.0% | Reduced |
| UBS Group AG | 31,647 | $23.1M | 0.00% | −28,737−47.6% | Reduced |