Genmab A/S Sponsored ADR is a company in the U.S. stock market and it is a holding in 7 U.S.-traded ETFs. GMAB has around 483.2K shares in the U.S. ETF market. The largest ETF holder of GMAB is the iShares Biotechnology ETF (IBB), with approximately 402.12K shares. Investors may also find of interest that the ETF with the largest allocation to GMAB stock is Loncar Cancer Immunotherapy ETF (CNCR), with a portfolio weight of 3.52%. On average, U.S. ETFs allocate 0.77% of GMAB to their portfolios.