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, Q3 2025
Institutional positions in Argenx SE as of Sep 30, 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
- 470
- +34 vs. Q2 2025
- Shares held
- 30.5M
- −1.60M (−5.0%) vs. Q2 2025
- Total value
- $22.5B
- +$4.81B (+27.2%) vs. Q2 2025
- New holders
- 91
- 178 more added
- Sold out
- 57
- 137 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Argenx SE; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 5,692,346 | $4.20B | 0.22% | +268,838+5.0% | Added |
| Price T Rowe Associates Inc | 3,640,409 | $2.69B | 0.29% | −1,339,567−26.9% | Reduced |
| Janus Henderson Group PLC | 2,575,251 | $1.90B | 0.87% | +9,852+0.4% | Added |
| Artisan Partners Limited Partnership | 2,186,510 | $1.61B | 2.32% | −163,266−6.9% | Reduced |
| Capital World Investors | 1,959,504 | $1.45B | 0.20% | +8,422+0.4% | Added |
| Avoro Capital Advisors LLC | 990,000 | $730.2M | 9.45% | −185,000−15.7% | Reduced |
| Clearbridge Investments, LLC | 756,862 | $558.2M | 0.42% | −16,004−2.1% | Reduced |
| Wellington Management Group LLP | 729,986 | $538.4M | 0.09% | +324,653+80.1% | Added |
| Citadel Advisors LLC | 713,559 | $526.3M | 0.42% | −152,411−17.6% | Reduced |
| RTW Investments, LP | 673,497 | $496.7M | 6.12% | 00.0% | Unchanged |
| Bellevue Group AG | 546,328 | $402.9M | 8.37% | −24,711−4.3% | Reduced |
| BlackRock, Inc. | 523,801 | $386.3M | 0.01% | −26,345−4.8% | Reduced |
| Morgan Stanley | 435,106 | $320.9M | 0.02% | +5,815+1.4% | Added |
| Millennium Management LLC | 347,518 | $256.3M | 0.20% | −82,326−19.2% | Reduced |
| Bank of America Corp | 342,379 | $252.5M | 0.02% | +6,259+1.9% | Added |
| SEI Investments Co | 312,268 | $230.3M | 0.25% | −4,131−1.3% | Reduced |
| Two Sigma Investments, LP | 294,160 | $217.0M | 0.33% | +250,278+570.3% | Added |
| Franklin Resources Inc | 258,274 | $190.5M | 0.05% | −21,529−7.7% | Reduced |
| Jennison Associates LLC | 240,228 | $177.2M | 0.10% | −24,419−9.2% | Reduced |
| American Century Companies Inc | 229,770 | $169.5M | 0.09% | +23,864+11.6% | Added |
| Allspring Global Investments Holdings, LLC | 211,330 | $162.2M | 0.26% | +26,343+14.2% | Added |
| Lord, Abbett & Co. LLC | 196,877 | $145.2M | 0.43% | +95,798+94.8% | Added |
| Goldman Sachs Group Inc | 193,113 | $142.4M | 0.02% | +50,963+35.9% | Added |
| Fiera Capital Corp | 177,654 | $131.0M | 0.42% | +19,180+12.1% | Added |
| Alkeon Capital Management LLC | 175,000 | $129.1M | 0.58% | +100,000+133.3% | Added |
| OrbiMed Advisors LLC | 172,300 | $127.1M | 3.05% | −35,700−17.2% | Reduced |
| Woodline Partners LP | 169,476 | $125.0M | 0.59% | +129,205+320.8% | Added |
| Pictet Asset Management Holding SA | 169,333 | $124.8M | 0.12% | −27,953−14.2% | Reduced |
| D. E. Shaw & Co., Inc. | 169,028 | $124.7M | 0.10% | +31,064+22.5% | Added |
| Bamco Inc | 167,694 | $123.7M | 0.33% | −13,039−7.2% | Reduced |
| Ameriprise Financial Inc | 165,658 | $122.2M | 0.03% | +54,463+49.0% | Added |
| Jefferies Financial Group Inc. | 155,000 | $114.3M | 1.05% | −400−0.3% | Reduced |
| Checkpoint Capital L.P. | 150,000 | $110.6M | 37.07% | +230.0% | Added |
| Legal & General Group Plc | 148,619 | $109.6M | 0.02% | +22,810+18.1% | Added |
| Rock Springs Capital Management LP | 142,750 | $105.3M | 6.15% | −33,000−18.8% | Reduced |
| Two Sigma Advisers, LP | 139,700 | $103.0M | 0.21% | +125,700+897.9% | Added |
| Lazard Asset Management LLC | 137,196 | $101.2M | 0.14% | +9,708+7.6% | Added |
| TimesSquare Capital Management, LLC | 127,530 | $94.1M | 1.35% | −6,050−4.5% | Reduced |
| Eventide Asset Management, LLC | 125,371 | $92.5M | 1.52% | −120.0% | Reduced |
| Federated Hermes, Inc. | 124,224 | $91.6M | 0.16% | +565+0.5% | Added |
| TD Asset Management Inc | 120,902 | $89.2M | 0.07% | +860+0.7% | Added |
| 1832 Asset Management L.P. | 110,700 | $81.6M | 0.14% | −61,700−35.8% | Reduced |
| BNP Paribas Arbitrage, SA | 106,714 | $78.7M | 0.06% | +39,919+59.8% | Added |
| Ensign Peak Advisors, Inc | 96,361 | $71.1M | 0.12% | +3,025+3.2% | Added |
| Pinebridge Investments, L.P. | 95,723 | $70.6M | 0.53% | +18,982+24.7% | Added |
| Envestnet Asset Management Inc | 95,711 | $70.6M | 0.02% | +8,850+10.2% | Added |
| Summit Partners Public Asset Management, LLC | 92,454 | $68.2M | 2.22% | +75,331+439.9% | Added |
| Deutsche Bank AG | 88,724 | $65.4M | 0.02% | +68,794+345.2% | Added |
| Invesco Ltd. | 84,919 | $62.6M | 0.01% | −158,827−65.2% | Reduced |
| Alliancebernstein L.P. | 84,753 | $62.5M | 0.02% | +30,918+57.4% | Added |
| Nuveen, LLC | 81,400 | $60.0M | 0.02% | +81,400 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 80,632 | $59.5M | 0.15% | −6,782−7.8% | Reduced |
| Artia Global Partners LP | 78,311 | $57.8M | 10.16% | 00.0% | Unchanged |
| Eagle Health Investments LP | 77,430 | $57.1M | 14.99% | 00.0% | Unchanged |
| PGGM Investments | 76,699 | $56.6M | 0.92% | 00.0% | Unchanged |
| Braidwell LP | 76,091 | $56.1M | 1.67% | −118,400−60.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 73,595 | $54.3M | 0.10% | −17,300−19.0% | Reduced |
| Northern Trust Corp | 69,751 | $51.4M | 0.01% | +6,819+10.8% | Added |
| Soleus Capital Management, L.P. | 69,426 | $51.2M | 2.74% | +26,550+61.9% | Added |
| Raymond James Financial Inc | 68,794 | $50.7M | 0.02% | −3,794−5.2% | Reduced |
| Standard Life Aberdeen plc | 66,676 | $49.2M | 0.08% | −3,617−5.1% | Reduced |
| Manufacturers Life Insurance Company, The | 65,286 | $48.2M | 0.04% | +2,043+3.2% | Added |
| New York State Common Retirement Fund | 65,122 | $48.0M | 0.06% | +1,020+1.6% | Added |
| First Trust Advisors LP | 64,985 | $47.9M | 0.04% | +6,215+10.6% | Added |
| Acadian Asset Management LLC | 62,804 | $46.3M | 0.08% | +62,804 | New |
| Voloridge Investment Management, LLC | 58,491 | $43.1M | 0.14% | +19,191+48.8% | Added |
| Armistice Capital, LLC | 58,000 | $42.8M | 1.34% | −22,000−27.5% | Reduced |
| Wells Fargo & Company | 55,674 | $41.1M | 0.01% | +293+0.5% | Added |
| UBS Group AG | 53,793 | $39.7M | 0.01% | −14,483−21.2% | Reduced |
| Quadrature Capital Ltd | 50,603 | $37.3M | 0.44% | +30,102+146.8% | Added |
| Jane Street Group, LLC | 49,904 | $36.8M | 0.04% | +33,384+202.1% | Added |
| Perpetual Ltd | 49,379 | $36.4M | 0.45% | −47,576−49.1% | Reduced |
| Candriam Luxembourg S.C.A. | 48,200 | $35.6M | 0.19% | +2,633+5.8% | Added |
| Royal Bank of Canada | 47,064 | $34.7M | 0.01% | +5,750+13.9% | Added |
| Tri Locum Partners LP | 43,411 | $32.0M | 7.36% | −4,382−9.2% | Reduced |
| Handelsbanken Fonder AB | 41,105 | $30.3M | 0.10% | +1,352+3.4% | Added |
| Dimensional Fund Advisors LP | 40,220 | $29.7M | 0.01% | +4,227+11.7% | Added |
| First Turn Management, LLC | 38,767 | $28.6M | 4.29% | −5,186−11.8% | Reduced |
| Baker Bros. Advisors LP | 37,760 | $27.9M | 0.20% | 00.0% | Unchanged |
| Van Eck Associates Corp | 36,071 | $26.6M | 0.02% | −5,527−13.3% | Reduced |
| Qube Research & Technologies Ltd | 35,183 | $25.9M | 0.04% | −23,102−39.6% | Reduced |
| Oddo BHF Asset Management SAS | 28,889 | $21.3M | 0.81% | +7,315+33.9% | Added |
| AXA Investment Managers S.A. | 26,710 | $19.7M | 0.05% | +26,710 | New |
| Geode Capital Management, LLC | 26,114 | $19.3M | 0.00% | −143−0.5% | Reduced |
| LPL Financial LLC | 25,770 | $19.0M | 0.01% | +3,716+16.8% | Added |
| HSBC Holdings PLC | 25,749 | $19.0M | 0.01% | +3,169+14.0% | Added |
| Natixis Advisors, L.P. | 24,503 | $18.1M | 0.03% | +5,433+28.5% | Added |
| Voya Investment Management LLC | 21,610 | $15.9M | 0.02% | +5,755+36.3% | Added |
| Driehaus Capital Management LLC | 19,034 | $14.0M | 0.10% | −1,710−8.2% | Reduced |
| Squarepoint Ops LLC | 18,985 | $14.0M | 0.03% | −12,311−39.3% | Reduced |
| Sands Capital Management, LLC | 16,625 | $12.3M | 0.03% | +16,625 | New |
| Schroder Investment Management Group | 16,460 | $11.8M | 0.01% | −7,168−30.3% | Reduced |
| Patient Square Capital LP | 15,500 | $11.4M | 3.06% | −13,500−46.6% | Reduced |
| MML Investors Services, LLC | 15,379 | $11.3M | 0.03% | −10.0% | Reduced |
| Moore Capital Management, LP | 15,000 | $11.1M | 0.22% | −32,000−68.1% | Reduced |
| Ardsley Advisory Partners LP | 15,000 | $11.1M | 1.70% | +15,000 | New |
| Mediolanum International Funds Ltd | 14,339 | $10.3M | 0.11% | +14,339 | New |
| Erste Asset Management GmbH | 14,268 | $10.3M | 0.10% | −228−1.6% | Reduced |
| Tower Research Capital LLC (TRC) | 13,853 | $10.2M | 0.28% | −5,486−28.4% | Reduced |
| DCF Advisers, LLC | 13,650 | $10.1M | 3.81% | 00.0% | Unchanged |