Genmab AS
Ownership
Ownership Structure
Who owns Genmab AS (GMAB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.9% of the shares are freely tradable; institutional investors hold 13.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Paradigm Biocapital Advisors LP | 2.13 | 13,133,131 | +64.8 | 06/30/2026 |
| Orbis Allan Gray Ltd | 2.10 | 12,925,578 | -10.4 | 03/31/2026 |
| AllianceBernstein L.P. | 1.55 | 9,557,149 | -12.1 | 03/31/2026 |
| Deep Track Capital, LP | 0.92 | 5,650,000 | +54.2 | 06/30/2026 |
| Arrowstreet Capital Limited Partnership | 0.81 | 4,975,324 | -0.1 | 03/31/2026 |
| BlackRock Inc | 0.74 | 4,536,565 | -1.2 | 03/31/2026 |
| Renaissance Technologies Corp | 0.72 | 4,414,550 | +26.4 | 03/31/2026 |
| Two Sigma Investments LLC | 0.57 | 3,506,843 | +49.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| AllianceBernstein US L/C Growth Eqty MF | 0.64 | 3,945,189 | +0.0 | 06/30/2026 |
| iShares Biotechnology ETF | 0.63 | 3,910,555 | +0.5 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 28, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.