Security record
ARGX
argenx SE · Healthcare · Biotechnology
119Tracked holders
+5Δ holders
20.56MShares held
$18.99BReported value
+10New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +4.4% ·
share flow -2.0% ·
net new positions +2.5%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 119 | +5 | 20.56M | $18.99B | +10 | −7 |
| Q1 2026 | 118 | 0 | 23.58M | $17.26B | +7 | −7 |
| Q4 2025 | 117 | +1 | 24.12M | $20.07B | +1 | — |
| Q3 2025 | 16 | -2 | 14.76M | $10.89B | — | −2 |
| Q2 2025 | 15 | 0 | 15.30M | $8.43B | — | — |
| Q1 2025 | 13 | +1 | 9.21M | $5.45B | +2 | −1 |
| Q4 2024 | 12 | +2 | 9.05M | $5.57B | +2 | — |
| Q3 2024 | 9 | -1 | 9.09M | $4.93B | — | −1 |
| Q2 2024 | 10 | — | 8.59M | $3.70B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 5.23M | +4.8% | $4.85B | 0.2% | ▲ Add | 5 | SEC ↗ ×6 |
| 2 | T. Rowe Price ✦ | 2.68M | -20.6% | $2.48B | 0.2% | ▼ Trim | 9 | SEC ↗ ×2 |
| 3 | Capital World Investors ✦ | 2.20M | -2.5% | $2.04B | 0.2% | ▼ Trim | 9 | SEC ↗ |
| 4 | Artisan Partners Limited Partnership | 1.51M | +2.8% | $1.40B | 2.3% | ▲ Add | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 930.55K | -8.9% | $863.33M | 0.1% | ▼ Trim | 9 | SEC ↗ ×9 |
| 6 | BlackRock ✦ (passive) | 777.24K | -3.9% | $721.10M | 0.0% | ▼ Trim | 5 | SEC ↗ ×13 |
| 7 | Morgan Stanley ✦ | 643.12K | +14.7% | $596.67M | 0.0% | ▲ Add | 4 | SEC ↗ ×16 |
| 8 | Invesco Ltd. | 443.99K | -25.3% | $411.92M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 9 | Bank Of America Corp /De/ | 400.23K | 0.0% | $371.33M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 10 | Alliancebernstein L.P. | 395.66K | -6.3% | $288.93M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 11 | Sei Investments Co | 255.07K | -11.1% | $236.65M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | Clearbridge Investments, LLC | 253.78K | +9.7% | $235.45M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 13 | Jennison Associates Llc | 226.20K | -4.8% | $209.86M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 14 | Franklin Resources Inc | 224.93K | -3.7% | $208.68M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 15 | Citadel Advisors ✦ | 212.42K | -3.1% | $197.07M | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 16 | Pictet Asset Management Holding SA | 198.28K | +33.7% | $183.81M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 185.64K | +70.1% | $172.23M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 18 | Ameriprise Financial Inc | 181.46K | -15.9% | $168.36M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 19 | Goldman Sachs Group ✦ | 177.85K | -23.3% | $165.00M | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 20 | Legal & General Group Plc | 177.16K | +17.4% | $164.37M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 21 | American Century Companies Inc | 173.19K | -0.3% | $160.69M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 22 | Allspring Global Investments… | 170.83K | -2.6% | $155.37M | 0.2% | ▼ Trim | 3 | SEC ↗ ×3 |
| 23 | Bnp Paribas Financial Markets | 157.96K | -11.2% | $146.55M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 24 | 1832 Asset Management L.P. | 157.94K | +87.6% | $146.53M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 25 | Deutsche Bank Ag\ | 137.34K | -1.5% | $127.42M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 26 | Bamco Inc /Ny/ | 136.65K | -1.4% | $126.78M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 27 | Barclays Plc | 134.43K | +2344.1% | $124.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Lazard Asset Management Llc | 132.00K | -1.0% | $122.46M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 29 | BNP Paribas Asset Management… | 121.79K | -5.7% | $112.99M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 30 | First Trust Advisors Lp | 101.44K | -5.4% | $94.11M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 31 | Millennium Management ✦ | 94.40K | +30.4% | $87.58M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 32 | Capital Research Global Investors | 88.51K | New | $82.12M | 0.0% | New | 1 | SEC ↗ |
| 33 | Federated Hermes, Inc. | 87.29K | -8.4% | $80.98M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 34 | Aberdeen Group plc | 83.82K | +2.1% | $77.77M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 35 | Bank Of Montreal /Can/ | 77.21K | -9.5% | $71.64M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 36 | Nuveen, LLC | 74.13K | +11.9% | $68.77M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 37 | Northern Trust Corp | 62.22K | +6.0% | $57.72M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 38 | UBS AM, a distinct business unit of… | 61.31K | +122.9% | $56.88M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 39 | Canada Pension Plan Investment Board | 60.58K | New | $56.20M | 0.0% | New | 1 | SEC ↗ |
| 40 | Squarepoint Ops LLC | 58.40K | +212.7% | $54.18M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 41 | Nomura Asset Management… | 58.27K | -0.2% | $54.06M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 42 | Envestnet Asset Management Inc | 55.35K | -9.9% | $51.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Ensign Peak Advisors, Inc | 52.03K | -27.3% | $48.27M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 44 | Adage Capital Partners ✦ | 50.61K | -43.8% | $46.95M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 45 | Nomura Asset Management Co Ltd | 49.18K | -0.3% | $45.63M | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 46 | Dimensional Fund Advisors Lp | 44.41K | +14.5% | $41.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 47 | Arrowstreet Capital ✦ | 40.06K | New | $37.17M | 0.0% | New | 1 | SEC ↗ |
| 48 | Point72 Asset Management ✦ | 39.98K | New | $37.10M | 0.1% | New | 1 | SEC ↗ |
| 49 | UBS Group AG | 36.58K | +15.6% | $33.94M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 50 | Hrt Financial Lp | 36.10K | +92.5% | $33.49M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 51 | Raymond James Financial Inc | 34.76K | -5.6% | $32.25M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 52 | Wells Fargo & Company/Mn | 34.45K | -9.6% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 53 | Assenagon Asset Management S.A. | 33.06K | +123.6% | $30.67M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 54 | Victory Capital Management Inc | 30.86K | -4.3% | $28.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Royal Bank Of Canada | 28.56K | -13.2% | $26.50M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 56 | Blair William & Co/Il | 27.67K | +23.5% | $25.67M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 57 | Td Asset Management Inc | 24.68K | -69.5% | $22.89M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Geode Capital Management ✦ (passive) | 23.86K | +1.2% | $22.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 59 | New York State Common Retirement… | 22.08K | -44.0% | $20.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | LPL Financial LLC | 19.50K | -16.1% | $18.09M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 16.97K | -1.2% | $15.75M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 62 | Manufacturers Life Insurance… | 16.41K | -66.7% | $15.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | FIL Ltd | 16.25K | New | $15.08M | 0.0% | New | 1 | SEC ↗ |
| 64 | Quantinno Capital Management LP | 15.55K | +39.5% | $14.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Hsbc Holdings Plc | 15.43K | -24.3% | $14.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | JPMorgan Chase ✦ | 15.63K | +20.2% | $14.26M | 0.0% | ▲ Add | 4 | SEC ↗ ×12 |
| 67 | Qube Research & Technologies Ltd | 14.56K | -43.0% | $13.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Jones Financial Companies Lllp | 14.66K | -12.8% | $13.00M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 69 | Allianz Asset Management GmbH | 13.97K | -3.0% | $12.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 70 | Charles Schwab Investment… | 13.55K | +44.0% | $12.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Creative Planning | 12.74K | +54.7% | $11.82M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 72 | Mirae Asset Global Investments Co.… | 11.16K | +2014.4% | $10.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 73 | AQR Capital Management ✦ | 10.67K | +321.7% | $9.90M | 0.0% | ▲ Add | 7 | SEC ↗ ×4 |
| 74 | Schroder Investment Management Group | 10.27K | -51.2% | $9.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Mackenzie Financial Corp | 9.97K | +34.1% | $9.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Russell Investments Group, Ltd. | 9.54K | +539.0% | $8.85M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 77 | D. E. Shaw & Co. ✦ | 8.26K | -84.2% | $7.67M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 78 | LMR Partners LLP | 8.20K | -65.1% | $7.61M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 79 | Citigroup Inc | 7.88K | -13.2% | $7.31M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 80 | Cetera Investment Advisers | 7.84K | +16.5% | $7.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Assetmark, Inc | 7.70K | -17.0% | $7.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Mml Investors Services, Llc | 6.83K | +13.5% | $6.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Stifel Financial Corp | 6.57K | -18.5% | $6.10M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 84 | State Street Global Advisors ✦ (passive) | 5.90K | +15.4% | $5.47M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 85 | Focus Partners Wealth | 5.75K | +19.6% | $5.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Mitsubishi UFJ Asset Management… | 5.55K | 0.0% | $5.15M | 0.0% | Held | 3 | SEC ↗ |
| 87 | Voya Investment Management Llc | 5.09K | -8.2% | $4.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Pnc Financial Services Group, Inc. | 3.97K | +4.5% | $3.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 89 | Rhumbline Advisers | 3.81K | +1.5% | $3.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Truist Financial Corp | 3.79K | -2.3% | $3.52M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 91 | DZ BANK AG Deutsche Zentral… | 3.60K | 0.0% | $3.34M | 0.0% | Held | 2 | SEC ↗ |
| 92 | Us Bancorp \De\ | 3.50K | +23.8% | $3.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 93 | Mariner, LLC | 3.35K | -7.5% | $3.10M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 94 | Cerity Partners LLC | 2.85K | +2.2% | $2.64M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 95 | Alyeska Investment Group, L.P. | 2.81K | New | $2.61M | 0.0% | New | 1 | SEC ↗ |
| 96 | Principal Financial Group Inc | 2.68K | +0.3% | $2.49M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Tidal Investments LLC | 2.36K | +97.8% | $2.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Corient Private Wealth LP | 2.22K | -1.7% | $2.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Daiwa Securities Group Inc. | 2.04K | +26.3% | $1.89M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 100 | Bridgewater Associates ✦ | 1.96K | +61.3% | $1.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Capital Research Global… | $82.12M | 0.0% |
| Canada Pension Plan… | $56.20M | 0.0% |
| Arrowstreet Capital | $37.17M | 0.0% |
| Point72 Asset Management | $37.10M | 0.1% |
| FIL Ltd | $15.08M | 0.0% |
| Alyeska Investment Group, L.P. | $2.61M | 0.0% |
Exited
| Amundi | $44.86M | was 0.0% |
| Jane Street Group, Llc | $28.07M | was 0.0% |
| Balyasny Asset Management L.P. | $9.57M | was 0.0% |
| HighTower Advisors, LLC | $3.87M | was 0.0% |
| IMC-Chicago, LLC | $1.28M | was 0.0% |
| Loomis Sayles & Co L P | $1.15M | was 0.0% |
| Walleye Trading LLC | $177,451 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 472 holders, 28.81M shares, $18.26B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
Get this via the API