William Blair Mezzanine Capital Partners Iii LLC (Chicago)


William Blair Mezzanine Capital Partners Iii LLC is a large advisory firm based in Chicago. It manages $311 million of regulatory assets for 1 client accounts. It has been registered with the SEC as an adviser since 2001.

William Blair Mezzanine Capital Partners Iii provides portfolio management for pooled investment vehicles. It doesn't provide financial planning services to its clients. On top of advisory services, the firm doesn't engage in other business activities.

William Blair Mezzanine Capital Partners Iii: assets under management

The assets under management (AUM) of William Blair Mezzanine Capital Partners Iii LLC is $311 million, all of which is managed in discretionary accounts. The firm's AUM has grown by 3580% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $311 million in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $311 million each.

Fees & Commissions

The advisory firm has a single stream of revenue. Clients pay William Blair Mezzanine Capital Partners Iii LLC for their services and products based on a percentage of assets under management. Compensation based on assets under management promotes a long-term relationship between a client and the adviser and helps align mutual interests. These fees don’t include brokerage commissions, interest, taxes, and other account expenses.

Based in Chicago

The principal office where William Blair Mezzanine Capital Partners Iii LLC performs its advisory services is located at 222 W Adams St, Chicago, IL 60606, which is also the mailing address of the firm. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 312-236-1600 or by fax 312-551-4646. The normal business hours are 8:30a.m. to 4:30p.m. on Monday - Friday.