Argenx SE: which funds bought and sold
Institutions that bought and sold Argenx SE shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 259 institutions that filed 13F reports for both quarters added to or opened positions in Argenx SE, and 208 cut or closed them. Together they sold a net 493K shares, −1.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 500K shares (−2.8%); index fund managers were net sellers of 22K shares (−2.4%). 78 opened a new position and 47 sold out entirely.
Bought, Q2 2026 259 institutions, 78 of them new holders Sold, Q2 2026 208 institutions, 47 of them sold out
Net change, all compared −493K shares (−1.9%)
Net change, active managers −500K shares (−2.8%), 27 bought, 35 sold
Buyers versus sellers
259 bought 79 208 sold
Active managers and hedge funds 27 bought · 35 sold · −500K
Index fund managers 6 bought · 3 sold · −22K
Other institutions 226 bought · 170 sold · +30K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +240K +4.8% | 5.2M | $4.9B |
| Bessemer Group Inc | +204K +316.8% | 268K | $248M |
| Barclays PLC | +129K +2344.1% | 134K | $125M |
| Capital Research Global Investors Active manager | +89K New position | 89K | $82.1M |
| Morgan Stanley | +82K +14.7% | 643K | $597M |
| Two Sigma Investments, LP Hedge fund | +77K +70.1% | 186K | $172M |
| 1832 Asset Management L.P. | +74K +87.6% | 158K | $147M |
| Canada Pension Plan Investment Board | +61K New position | 61K | $56.2M |
| Westfield Capital Management Co LP Active manager | +57K New position | 57K | $53M |
| Woodline Partners LP Hedge fund | +55K New position | 55K | $51.1M |
| Pictet Asset Management Holding SA | +50K +33.7% | 198K | $184M |
| USS Investment Management Ltd | +46K +376.8% | 58K | $53.8M |
| Artisan Partners Limited Partnership Active manager | +41K +2.8% | 1.5M | $1.4B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +40K New position | 40K | $37.2M |
| Point72 Asset Management, L.P. Hedge fund | +40K New position | 40K | $37.1M |
| Squarepoint Ops LLC Hedge fund | +40K +212.7% | 58K | $54.2M |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | +34K +122.9% | 61K | $56.9M |
| Mediolanum International Funds Ltd | +30K New position | 30K | $27.2M |
| Peregrine Capital Management LLC | +30K New position | 30K | $27.6M |
| Legal & General Group PLC | +26K +17.4% | 177K | $164M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +240K +4.8% | 5.2M | $4.9B |
| Capital Research Global Investors Active manager | +89K New position | 89K | $82.1M |
| Two Sigma Investments, LP Hedge fund | +77K +70.1% | 186K | $172M |
| Westfield Capital Management Co LP Active manager | +57K New position | 57K | $53M |
| Woodline Partners LP Hedge fund | +55K New position | 55K | $51.1M |
| Artisan Partners Limited Partnership Active manager | +41K +2.8% | 1.5M | $1.4B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +40K New position | 40K | $37.2M |
| Point72 Asset Management, L.P. Hedge fund | +40K New position | 40K | $37.1M |
| Squarepoint Ops LLC Hedge fund | +40K +212.7% | 58K | $54.2M |
| Clearbridge Investments, LLC Active manager | +22K +9.7% | 254K | $235M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Price T Rowe Associates Inc Active manager | −697K −20.6% | 2.7M | $2.5B |
| Invesco Ltd. | −151K −25.3% | 444K | $412M |
| Fiera Capital Corp | −127K −58.4% | 90K | $83.9M |
| Wellington Management Group LLP Active manager | −91K −8.9% | 931K | $863M |
| Braidwell LP Hedge fund | −67K −79.2% | 18K | $16.4M |
| Capital World Investors Active manager | −56K −2.5% | 2.2M | $2B |
| TD Asset Management Inc | −56K −69.5% | 25K | $22.9M |
| Goldman Sachs Group Inc | −54K −23.3% | 178K | $165M |
| Rock Springs Capital Management LP Hedge fund | −46K −46.4% | 53K | $48.9M |
| Orbimed Advisors LLC | −44K −32.2% | 93K | $86.2M |
| D. E. Shaw & Co., Inc. Hedge fund | −44K −84.1% | 8,263 | $7.7M |
| Lord, Abbett & Co. LLC | −44K −28.8% | 108K | $100M |
| Sands Capital Management, LLC Active manager | −42K −12.3% | 299K | $277M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −39K −43.8% | 51K | $47M |
| Jane Street Group, LLC | −38K Sold out | 0 | — |
| Life Cycle Investment Partners Ltd | −36K −61.8% | 22K | $20.9M |
| Davern Capital Partners, LP | −35K Sold out | 0 | — |
| Ameriprise Financial Inc | −34K −16.0% | 181K | $168M |
| Manufacturers Life Insurance Company, The | −33K −66.7% | 16K | $15.2M |
| Sei Investments Co | −32K −11.1% | 255K | $237M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Price T Rowe Associates Inc Active manager | −697K −20.6% | 2.7M | $2.5B |
| Wellington Management Group LLP Active manager | −91K −8.9% | 931K | $863M |
| Braidwell LP Hedge fund | −67K −79.2% | 18K | $16.4M |
| Capital World Investors Active manager | −56K −2.5% | 2.2M | $2B |
| Rock Springs Capital Management LP Hedge fund | −46K −46.4% | 53K | $48.9M |
| D. E. Shaw & Co., Inc. Hedge fund | −44K −84.1% | 8,263 | $7.7M |
| Sands Capital Management, LLC Active manager | −42K −12.3% | 299K | $277M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −39K −43.8% | 51K | $47M |
| Alliancebernstein L.P. Active manager | −27K −6.3% | 396K | $289M |
| Baker Bros. Advisors LP Hedge fund | −25K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Capital Research Global InvestorsActive manager | 89K | $82.1M |
| Canada Pension Plan Investment Board | 61K | $56.2M |
| Westfield Capital Management Co LPActive manager | 57K | $53M |
| Woodline Partners LPHedge fund | 55K | $51.1M |
| Arrowstreet Capital, Limited PartnershipHedge fund | 40K | $37.2M |
| Point72 Asset Management, L.P.Hedge fund | 40K | $37.1M |
| Peregrine Capital Management LLC | 30K | $27.6M |
| Mediolanum International Funds Ltd | 30K | $27.2M |
| Fil LtdActive manager | 16K | $15.1M |
| Resolute Capital Asset Partners LLC | 12K | $11.1M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Jane Street Group, LLC | 38K | $28.1M |
| Davern Capital Partners, LP | 35K | $25.6M |
| Jones Hill Capital LP | 26K | $19M |
| Baker Bros. Advisors LPHedge fund | 25K | $18.4M |
| Balyasny Asset Management L.P.Hedge fund | 13K | $9.6M |
| Cinctive Capital Management LPHedge fund | 7,687 | $5.6M |
| Trexquant Investment LPHedge fund | 7,009 | $5.1M |
| Y-Intercept (Hong Kong) Ltd | 5,884 | $4.3M |
| Dorsey Wright & Associates | 2,189 | $1.6M |
| Northcoast Asset Management LLC | 2,034 | $1.5M |
Who holds the shares
- Institutions reporting
- 505
- Ten largest holders
- 64.2% of 13F-reported shares
- Index fund managers
- 3.2% of 13F-reported shares
- Active managers and hedge funds
- 62.3% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 27 | 35 | 13 | 6 | −500K | −2.8% |
| Index fund managers | 6 | 3 | 0 | 0 | −22K | −2.4% |
| Other institutions | 226 | 170 | 65 | 41 | +30K | +0.4% |