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The Corporate Office of Driehaus Capital Management LLC

The mansion located at 25 East Erie in Chicago, Illinois, is the corporate headquarters for Driehaus Capital Management LLC and Driehaus Securities LLC. This 15,000 square foot mansion was designed by the prominent Chicago architect, Henry Ives Cobb, and built in the Richardson's Romanesque style in 1886 as a residence for Ransom R. Cable, President of the Rock Island and Pacific Railway Company. Northern pink buff dolomitic Minnesota limestone from the Kasota-Mankato district gives the structure its distinctive color. The mansion since 1994 has served as the headquarters of Driehaus Capital Management LLC and Driehaus Securities LLC.

Rebuilt after the Great Chicago Fire of 1871, the neighborhood around the Cable mansion has, since the 1850's, seen a colorful gathering of impressive homes, initially four mansions to a block. Nearby to the north was the city's pumping station and standpipe (the Water Tower). To the east was the very large McCormick reaper plant, and just south was the nation's great artery of physical commerce, the Chicago River. To the west and north, many more wooden houses filled each block.

By 1900, an engineering feat comparable to the cutting of the Panama Canal had the Chicago River flowing west and south, eventually to the Mississippi. As the twentieth century unfolded, grain storage and factories gave way to offices. Commerce pressed outside the Loop, and the once stately homes and mansions in the area became crowded out, mostly demolished from the 1930's to the 1970's. Fortunately, our structure remained.

Today the home remains a rare Chicago witness to a time when H.H. Richardson of Boston and his Romanesque style expressed a time of optimism — the ground between the old and the new — between technology and art — much like today.