Utilize the input text as a context reference, choose the right relationship between iShares and BlackRock from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

This month, BlackRock BlackRock added 11 new products to its currency-hedged iShares lineup bringing it’s total to 16; WisdomTree now offers 16 products as well and Deutsche Bank Deutsche Bank has 14.

Answer: operator