Security record · archived quarter
ARGX
argenx SE · Healthcare · Biotechnology
117Tracked holders
+1Δ holders
24.12MShares held
$20.07BReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +0.9% ·
share flow -4.0% ·
net new positions +0.9%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | +1 | 36.98K | $35.38M | +1 | −1 |
| 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 | n/a |
| Q3 2025 | 16 | -2 | 14.76M | $10.89B | n/a | −2 |
| Q2 2025 | 15 | 0 | 15.30M | $8.43B | n/a | n/a |
| Q1 2025 | 13 | +1 | 9.21M | $5.45B | +2 | −1 |
| Q4 2024 | 12 | +2 | 9.05M | $5.57B | +2 | n/a |
| Q3 2024 | 9 | -1 | 9.09M | $4.93B | n/a | −1 |
| Q2 2024 | 10 | n/a | 8.59M | $3.70B | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 5.59M | -1.8% | $4.70B | 0.2% | ▼ Trim | 3 | SEC ↗ ×5 |
| 2 | T. Rowe Price ✦ | 3.36M | -7.6% | $2.83B | 0.3% | ▼ Trim | 7 | SEC ↗ ×2 |
| 3 | Janus Henderson Group Plc | 2.46M | n/a | $2.06B | 0.9% | n/c | 1 | SEC ↗ ×6 |
| 4 | Capital World Investors ✦ | 1.92M | -2.2% | $1.61B | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 5 | Artisan Partners Limited Partnership | 1.76M | n/a | $1.48B | 2.3% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 735.60K | +40.4% | $618.60M | 0.0% | ▲ Add | 3 | SEC ↗ ×14 |
| 7 | Wellington Management ✦ | 679.24K | -7.0% | $571.20M | 0.1% | ▼ Trim | 7 | SEC ↗ ×9 |
| 8 | Morgan Stanley ✦ | 518.85K | +19.2% | $436.33M | 0.0% | ▲ Add | 2 | SEC ↗ ×16 |
| 9 | Clearbridge Investments, LLC | 513.76K | n/a | $432.05M | 0.3% | n/c | 1 | SEC ↗ |
| 10 | Invesco Ltd. | 416.41K | n/a | $350.18M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 11 | Alliancebernstein L.P. | 414.18K | n/a | $348.31M | 0.1% | n/c | 1 | SEC ↗ |
| 12 | Bank Of America Corp /De/ | 400.78K | n/a | $337.03M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 13 | Citadel Advisors ✦ | 350.85K | -50.8% | $295.05M | 0.2% | ▼ Trim | 7 | SEC ↗ ×2 |
| 14 | Sei Investments Co | 330.51K | n/a | $277.94M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 15 | Two Sigma Investments ✦ | 258.56K | -12.1% | $217.43M | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 16 | Franklin Resources Inc | 237.70K | n/a | $199.90M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 17 | Jennison Associates Llc | 229.76K | n/a | $193.22M | 0.1% | n/c | 1 | SEC ↗ |
| 18 | American Century Companies Inc | 221.05K | n/a | $185.90M | 0.1% | n/c | 1 | SEC ↗ |
| 19 | Ameriprise Financial Inc | 187.14K | n/a | $157.38M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 20 | Allspring Global Investments… | 172.73K | n/a | $145.09M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 21 | Voya Investment Management Llc | 169.10K | n/a | $142.20M | 0.2% | n/c | 1 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 167.21K | -13.4% | $140.61M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 23 | Bamco Inc /Ny/ | 153.72K | n/a | $129.27M | 0.3% | n/c | 1 | SEC ↗ |
| 24 | Pictet Asset Management Holding SA | 153.21K | n/a | $128.84M | 0.1% | n/c | 1 | SEC ↗ |
| 25 | Legal & General Group Plc | 144.35K | n/a | $121.40M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Deutsche Bank Ag\ | 134.71K | n/a | $113.28M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 27 | Lazard Asset Management Llc | 133.03K | n/a | $111.87M | 0.2% | n/c | 1 | SEC ↗ ×2 |
| 28 | BNP Paribas Asset Management… | 115.36K | n/a | $97.01M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 29 | 1832 Asset Management L.P. | 110.70K | n/a | $93.09M | 0.1% | n/c | 1 | SEC ↗ |
| 30 | Federated Hermes, Inc. | 106.77K | n/a | $89.79M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 31 | Td Asset Management Inc | 101.52K | n/a | $85.38M | 0.1% | n/c | 1 | SEC ↗ |
| 32 | Ensign Peak Advisors, Inc | 90.45K | n/a | $76.07M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | Envestnet Asset Management Inc | 79.99K | n/a | $67.27M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Bnp Paribas Financial Markets | 70.74K | n/a | $59.49M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Nuveen, LLC | 66.24K | n/a | $55.71M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | Northern Trust Corp | 64.24K | n/a | $54.03M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 37 | Millennium Management ✦ | 60.46K | -82.6% | $50.84M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 38 | UBS Group AG | 60.38K | n/a | $50.78M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 39 | Raymond James Financial Inc | 57.49K | n/a | $48.34M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 40 | Manufacturers Life Insurance… | 57.41K | n/a | $48.10M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Wells Fargo & Company/Mn | 54.39K | n/a | $45.74M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 42 | First Trust Advisors Lp | 53.90K | n/a | $45.33M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Aberdeen Group plc | 52.35K | n/a | $44.02M | 0.1% | n/c | 1 | SEC ↗ |
| 44 | Nomura Asset Management Co Ltd | 49.36K | n/a | $41.51M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 45 | D. E. Shaw & Co. ✦ | 45.53K | -73.1% | $38.29M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 46 | Nomura Asset Management… | 45.31K | n/a | $38.11M | 0.1% | n/c | 1 | SEC ↗ |
| 47 | New York State Common Retirement… | 44.03K | n/a | $37.02M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Amundi | 42.48K | n/a | $35.73M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 49 | Balyasny Asset Management L.P. | 41.92K | n/a | $35.26M | 0.1% | n/c | 1 | SEC ↗ |
| 50 | Dimensional Fund Advisors Lp | 36.82K | n/a | $30.96M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 51 | Royal Bank Of Canada | 35.66K | n/a | $29.99M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 52 | Victory Capital Management Inc | 33.85K | n/a | $28.46M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Jane Street Group, Llc | 28.48K | n/a | $23.95M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 54 | Squarepoint Ops LLC | 28.20K | n/a | $23.72M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Blair William & Co/Il | 26.34K | n/a | $22.15M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 56 | LPL Financial LLC | 25.66K | n/a | $21.58M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Assenagon Asset Management S.A. | 24.35K | n/a | $20.47M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Susquehanna International Group, Llp | 23.96K | n/a | $20.15M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Geode Capital Management ✦ (passive) | 23.70K | -9.3% | $19.93M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 60 | Qube Research & Technologies Ltd | 22.45K | n/a | $18.88M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | UBS AM, a distinct business unit of… | 21.50K | n/a | $18.08M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 62 | Hrt Financial Lp | 19.68K | n/a | $16.55M | 0.1% | n/c | 1 | SEC ↗ |
| 63 | Bank of New York Mellon Corp | 16.55K | n/a | $13.92M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 64 | Bank Of Montreal /Can/ | 16.38K | n/a | $13.77M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 65 | JPMorgan Chase ✦ | 14.00K | -16.9% | $11.77M | 0.0% | ▼ Trim | 2 | SEC ↗ ×11 |
| 66 | Marshall Wace ✦ | 13.51K | +7.8% | $11.36M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 67 | Mml Investors Services, Llc | 11.94K | n/a | $10.04M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Citigroup Inc | 10.96K | n/a | $9.22M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 69 | Mirae Asset Global Investments Co.… | 10.85K | n/a | $9.12M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 70 | Barclays Plc | 10.53K | n/a | $8.85M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 71 | Quantinno Capital Management LP | 10.04K | n/a | $8.44M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Assetmark, Inc | 9.84K | n/a | $8.28M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Stifel Financial Corp | 9.57K | n/a | $8.05M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 74 | Cetera Investment Advisers | 9.20K | n/a | $7.74M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Creative Planning | 8.71K | n/a | $7.32M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 76 | Charles Schwab Investment… | 8.24K | n/a | $6.93M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Us Bancorp \De\ | 6.38K | n/a | $5.37M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 78 | Mackenzie Financial Corp | 6.23K | n/a | $5.21M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | HighTower Advisors, LLC | 6.08K | n/a | $5.11M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Mitsubishi UFJ Asset Management… | 5.55K | n/a | $4.66M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | State Street Global Advisors ✦ (passive) | 4.73K | -2.4% | $3.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 82 | Truist Financial Corp | 4.52K | n/a | $3.80M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 83 | Corient Private Wealth LP | 248.72K | n/a | $3.60M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 84 | LMR Partners LLP | 3.81K | n/a | $3.20M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Mariner, LLC | 3.75K | n/a | $3.16M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 86 | Cerity Partners LLC | 3.67K | n/a | $3.08M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 87 | Focus Partners Wealth | 3.48K | n/a | $2.93M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Pnc Financial Services Group, Inc. | 3.23K | n/a | $2.71M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 89 | Allianz Asset Management GmbH | 3.00K | n/a | $2.52M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 90 | Principal Financial Group Inc | 2.65K | n/a | $2.23M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | AQR Capital Management ✦ | 2.40K | +24.3% | $2.02M | 0.0% | ▲ Add | 5 | SEC ↗ ×4 |
| 92 | Tudor Investment Corp Et Al | 2.15K | n/a | $1.81M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Group One Trading Llc | 1.87K | n/a | $1.57M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Rhumbline Advisers | 1.83K | n/a | $1.54M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Walleye Trading LLC | 1.74K | n/a | $1.46M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Daiwa Securities Group Inc. | 1.68K | n/a | $1.41M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 97 | Sumitomo Mitsui Trust Group, Inc. | 1.54K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Neuberger Berman Group LLC | 1.32K | n/a | $1.11M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 99 | Russell Investments Group, Ltd. | 1.32K | n/a | $1.11M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | ProShare Advisors LLC | 1.29K | n/a | $1.08M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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