(Bloomberg) -- Investors poured $102.8 billion into exchange-traded funds run by BlackRock Inc., the world’s largest asset manager, as they made record use of the fastest-growing product in the money management industry.

BlackRock’s iShares unit, the biggest provider of ETFs, got 31% of the record $330.7 billion that investors put into the products globally in 2014, according to a statement today from the New York-based firm. Investors added $40.3 billion into iShares’s bond ETFs, or about 48% of the new money that went into fixed-income products.

Subscribe Now

Access to premium content including in-depth coverage of mutual funds, hedge funds, 401(K)s, 529 plans, and more.

3-Week Free Trial

Insight and analysis into the management, marketing, operations and technology of the asset management industry.