AIM Distributors, the retail marketing arm of AIM Management Group, has added institutional share classes to nine of the company's funds.

The shares are designed for large customers such as plan sponsors who have combined defined contribution plans containing more than $100 million in assets. The shares can also be used by defined benefit plans, endowments and foundations.

AIM will add the shares to its Aggressive Growth Fund, Balanced Fund, Basic Value Fund, Blue Chip Fund, Capital Development Fund, International Equity Fund, Mid Cap Equity Fund, Small Cap Growth Fund and Value Fund, the company said in a statement.

The firm has already offered the institutional shares, also known as I-shares, with its Charter Fund, Constellation Fund, Limited Maturity Treasury Fund and Weingarten Fund.

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