Argenx SE - ADRARGX
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 447 institutions reported holding Argenx SE - ADR (ARGX) in their 13F filings, up 50 from Q4 2024. 81 opened new positions and 26 sold out. The largest holders were FMR LLC ($3.4B), T. Rowe Price Associates Inc. ($3.2B) and Artisan Partners Limited Partnership ($1.6B). 5 famous investors held it, including Ron Baron (0.4% of Baron Capital (BAMCO)'s portfolio), Ken Griffin (0.3% of Citadel Advisors's portfolio) and David E. Shaw (0.2% of D. E. Shaw & Co.'s portfolio).
- Company
- Argenx SE - ADR
- CUSIP
- 04016X101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 81 | $204.3M |
| Exits | 26 | $217.9M |
All 13F filers, Q4 2024 → Q1 2025: 1,999,797 shares bought and 2,771,051 shares sold, net −771,254 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 447 holders
| FMR LLC | 0.21% | Add +0.8% | 5,663,207 | $3.4B |
| T. Rowe Price Associates Inc. | 0.39% | Reduce -2.4% | 5,384,586 | $3.2B |
| Artisan Partners Limited Partnership | 2.67% | Reduce -9.3% | 2,785,890 | $1.6B |
| Janus Henderson Group PLC | 0.69% | Reduce -7.3% | 2,143,083 | $1.3B |
| Capital World Investors | 0.19% | Add +8.4% | 1,937,992 | $1.1B |
| Avoro Capital Advisors LLC | 11.41% | Reduce -0.3% | 1,235,177 | $731.1M |
| BlackRock, Inc. | 0.01% | Reduce -4.5% | 1,021,325 | $604.5M |
| Morgan Stanley | 0.04% | Reduce -6.5% | 877,150 | $519.2M |
| RTW Investments, LP | 6.10% | No change | 673,497 | $398.6M |
| Clearbridge Investments, LLC | 0.34% | Add +5.5% | 664,368 | $393.2M |
| Bellevue Group AG | 7.68% | Reduce -2.4% | 578,874 | $342.6M |
| Citadel Advisors | 0.32% | Add +7.4% | 551,939 | $326.7M |
| Wellington Management Group LLP | 0.05% | Reduce -4.4% | 406,204 | $240.4M |
| Invesco Ltd. | 0.04% | Reduce -5.3% | 382,741 | $226.5M |
| Sei Investments Co. | 0.28% | Reduce -1.5% | 361,000 | $213.7M |
| Bank of America Corp. | 0.02% | Add +31.6% | 340,115 | $201.3M |
| Lord, Abbett & Co. LLC | 0.61% | Add +33.2% | 274,700 | $162.6M |
| Millennium Management | 0.16% | Add +316.9% | 268,604 | $159.0M |
| D. E. Shaw & Co. | 0.20% | Reduce -9.7% | 260,325 | $154.1M |
| Jennison Associates LLC | 0.10% | Reduce -17.4% | 249,461 | $147.6M |
| Pictet Asset Management Holding SA | 0.15% | Reduce -19.4% | 229,441 | $135.8M |
| Jefferies Financial Group Inc. | 2.30% | Add +0.1% | 216,000 | $127.8M |
| Baron Capital (BAMCO) | 0.37% | Reduce -11.9% | 213,400 | $126.3M |
| Orbimed Advisors LLC | 2.94% | Add +9.0% | 206,700 | $122.3M |
| 1832 Asset Management L.P. | 0.21% | Reduce -11.6% | 183,300 | $108.5M |
| Rock Springs Capital Management LP | 5.97% | Reduce -23.4% | 175,750 | $104.0M |
| Allspring Global Investments Holdings, LLC | 0.17% | Add +22.4% | 176,450 | $100.1M |
| Goldman Sachs Group Inc. | 0.02% | Add +14.8% | 168,765 | $99.9M |
| Braidwell LP | 4.96% | Add +99.2% | 160,849 | $95.2M |
| Fiera Capital Corp | 0.33% | Reduce -0.5% | 154,416 | $91.4M |
| American Century Companies Inc. | 0.05% | Reduce -4.2% | 148,852 | $88.1M |
| TD Asset Management Inc | 0.08% | Reduce -18.6% | 140,575 | $83.2M |
| Adage Capital Partners Gp, L.L.C. | 0.15% | Add +54.4% | 138,637 | $82.1M |
| Franklin Resources Inc. | 0.02% | Add +1.9% | 137,197 | $81.2M |
| BNP Paribas Financial Markets | 0.06% | Add +1203.3% | 133,359 | $78.9M |
| Marshall Wace, LLP | 0.10% | Reduce -33.8% | 126,774 | $75.0M |
| TimesSquare Capital Management, LLC | 1.19% | Add +0.8% | 125,295 | $74.2M |
| Checkpoint Capital L.P. | 37.34% | Add +24.3% | 115,000 | $68.1M |
| Perpetual Ltd | 0.82% | Reduce -5.3% | 114,530 | $67.8M |
| Legal & General Group Plc | 0.02% | Add +1.0% | 114,094 | $67.5M |
| Eventide Asset Management, LLC | 1.34% | Add +9.2% | 113,743 | $67.3M |
| Assenagon Asset Management S.A. | 0.12% | Add +215.8% | 110,390 | $65.3M |
| Federated Hermes, Inc. | 0.14% | Reduce -36.0% | 108,945 | $64.5M |
| UBS Group AG | 0.01% | Add +413.3% | 102,139 | $60.5M |
| Armistice Capital, LLC | 1.55% | Reduce -21.0% | 98,000 | $58.0M |
| Deutsche Bank AG | 0.02% | Reduce -5.0% | 96,914 | $57.4M |
| Woodline Partners LP | 0.35% | Add +21.0% | 89,796 | $53.1M |
| Public Sector Pension Investment Board | 0.21% | Reduce -22.5% | 82,082 | $48.6M |
| T. Rowe Price Investment Management, Inc. | 0.03% | Reduce -83.5% | 80,647 | $47.7M |
| Summit Partners Public Asset Management, LLC | 2.27% | Add +170.2% | 80,000 | $47.3M |
| Envestnet Asset Management Inc. | 0.02% | Add +5.9% | 79,468 | $47.0M |
| Qube Research & Technologies Ltd | 0.07% | Add +1064.8% | 77,996 | $46.2M |
| Baker Bros. Advisors LP | 0.52% | Reduce -30.5% | 77,760 | $46.0M |
| Voloridge Investment Management, LLC | 0.17% | Add +63.2% | 75,645 | $44.8M |
| Alkeon Capital Management LLC | 0.26% | No change | 75,000 | $44.4M |
| Eagle Health Investments LP | 11.53% | No change | 74,990 | $44.4M |
| Two Sigma Investments, LP | 0.10% | New | 73,948 | $43.8M |
| Pinebridge Investments, L.P. | 0.34% | Add +28.6% | 73,175 | $43.3M |
| Lazard Asset Management LLC | 0.07% | Reduce -0.6% | 70,250 | $41.6M |
| PFM Health Sciences, LP | 3.22% | Add +8.3% | 68,999 | $40.8M |
| Ameriprise Financial Inc. | 0.01% | Add +882.1% | 68,876 | $40.5M |
| Wells Fargo & Company | 0.01% | Add +27.6% | 67,263 | $39.8M |
| Raymond James Financial Inc. | 0.01% | Reduce -5.5% | 66,873 | $39.6M |
| New York State Common Retirement Fund | 0.06% | Add +1.1% | 64,250 | $38.0M |
| Caisse de depot et placement du Quebec | 0.08% | Add +122.5% | 62,074 | $36.7M |
| First Trust Advisors LP | 0.03% | Reduce -18.6% | 61,400 | $36.3M |
| Manufacturers Life Insurance Company, The | 0.03% | Reduce -3.9% | 59,694 | $35.3M |
| Paradigm Biocapital Advisors LP | 1.63% | Reduce -87.6% | 59,679 | $35.3M |
| Perceptive Advisors LLC | 1.25% | Reduce -11.8% | 59,510 | $35.2M |
| Aberdeen Group plc | 0.06% | Reduce -10.9% | 54,590 | $32.3M |
| Northern Trust Corp. | 0.00% | Reduce -3.1% | 52,426 | $31.0M |
| Driehaus Capital Management LLC | 0.28% | Add +3.6% | 49,071 | $29.0M |
| PGGM Investments | 0.39% | Reduce -14.0% | 48,799 | $28.9M |
| Ensign Peak Advisors, Inc | 0.05% | Add +14.4% | 45,952 | $27.2M |
| Van Eck Associates Corp. | 0.03% | Reduce -5.1% | 44,440 | $26.3M |
| First Turn Management, LLC | 5.00% | Reduce -2.7% | 41,911 | $24.8M |
| Candriam S.C.A. | 0.15% | Reduce -14.4% | 41,280 | $24.4M |
| Verition Fund Management LLC | 0.14% | Add +1154.5% | 39,929 | $23.6M |
| Railway Pension Investments Ltd | 0.33% | No change | 39,500 | $23.4M |
| Royal Bank of Canada | 0.01% | Add +0.9% | 38,306 | $22.7M |
| Handelsbanken Fonder AB | 0.09% | Add +13.1% | 38,050 | $22.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +29.3% | 32,241 | $19.1M |
| Squarepoint Ops LLC | 0.04% | Add +34.2% | 30,421 | $18.0M |
| Two Sigma Advisers, LP | 0.04% | New | 30,200 | $17.9M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 29,541 | $17.5M |
| AXA S.A. | 0.06% | Reduce -12.1% | 29,483 | $17.4M |
| Soleus Capital Management, L.P. | 1.34% | New | 28,940 | $17.1M |
| Jane Street Group, LLC | 0.03% | Add +1.4% | 28,258 | $16.7M |
| Iron Triangle Partners LP | 2.60% | Reduce -20.4% | 27,874 | $16.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.3% | 26,583 | $15.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Add +6665.3% | 25,370 | $15.0M |
| Moore Capital Management, LP | 0.58% | Reduce -26.5% | 25,000 | $14.8M |
| Cookson Peirce & Co. Inc. | 0.71% | Add +1.3% | 23,777 | $14.1M |
| AWM Investment Company, Inc. | 1.88% | Reduce -8.0% | 23,000 | $13.6M |
| HSBC Holdings PLC | 0.01% | Add +47.1% | 22,535 | $13.3M |
| Oddo BHF Asset Management Sas | 0.53% | Add +11.2% | 21,574 | $12.8M |
| Natixis Advisors, LLC | 0.02% | Add +33.4% | 21,236 | $12.6M |
| LPL Financial LLC | 0.00% | Add +28.0% | 20,880 | $12.4M |
| CenterBook Partners LP | 0.77% | Add +843.1% | 20,323 | $12.0M |
| Agf Management Ltd. | 0.06% | New | 18,159 | $10.7M |
"% of holder's portfolio" is ARGX's weight in each manager's 13F, not the share of Argenx SE - ADR the manager owns.