Institutional Holders (2026 Q1)
470 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ARGX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Checkpoint Capital L.P. | 40.10% | 153,000 | $111.7M |
| 2 | Eagle Health Investments LP | 9.75% | 76,336 | $55.7M |
| 3 | Avoro Capital Advisors LLC | 7.18% | 1,000,000 | $730.2M |
| 4 | Davern Capital Partners, LP | 7.02% | 35,045 | $25.6M |
| 5 | Bellevue Group AG | 5.44% | 313,000 | $228.6M |
| 6 | Rtw Investments, LP | 5.16% | 709,446 | $518.1M |
| 7 | Patient Square Capital LP | 4.76% | 36,718 | $26.8M |
| 8 | Artia Global Partners LP | 4.35% | 29,739 | $21.7M |
| 9 | Rock Springs Capital Management LP | 4.24% | 98,500 | $71.9M |
| 10 | Jones Hill Capital LP | 4.07% | 25,995 | $19.0M |
| 11 | Tri Locum Partners LP | 3.24% | 31,635 | $23.1M |
| 12 | DCF Advisers, LLC | 2.85% | 14,650 | $10.7M |
| 13 | Acuta Capital Partners, LLC | 2.42% | 4,690 | $3.4M |
| 14 | Sectoral Asset Management Inc | 2.27% | 3,564 | $2.7M |
| 15 | Braidwell LP | 2.07% | 84,939 | $62.0M |
| 16 | Orbimed Advisors LLC | 1.98% | 136,900 | $100.0M |
| 17 | Artisan Partners Limited Partnership | 1.72% | 1,467,982 | $1.07B |
| 18 | Nan Fung Group Holdings Ltd | 1.69% | 2,800 | $2.0M |
| 19 | Eventide Asset Management, LLC | 1.52% | 125,657 | $91.7M |
| 20 | AlphaCentric Advisors LLC | 1.31% | 1,794 | $1.3M |
| 21 | LRT Capital Management, LLC | 1.13% | 1,653 | $1.2M |
| 22 | Shepherd Street Advisors LLC | 1.07% | 1,491 | $1.1M |
| 23 | HighVista Strategies LLC | 0.99% | 4,918 | $3.6M |
| 24 | Sands Capital Management, LLC | 0.97% | 340,285 | $248.5M |
| 25 | Janus Henderson Group plc | 0.92% | 2,541,732 | $1.85B |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|