Data / Investment advisers / Serving other investment advisers / Illinois
Investment advisers in Illinois serving other investment advisers: 45 firms
Updated November 7, 2026. Source: the SEC's Form ADV data files for investment advisers.
45 SEC registered investment advisers with a main office in Illinois report other investment advisers among their clients in Form ADV item 5.D, and together they attribute $206 billion of their assets under management to them, in the SEC's file of November 2, 2026. The adviser with the most is L&G, Asset Management, America.
The request: Every investment adviser in Illinois that serves other investment advisers, with AUM, phone and website. $10 of work on sign-up, no card.
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- 45Advisers
- $206 billionAUM from this client type
- 45Advisers over $100 million
- November 2, 2026File date
Advisers in Illinois serving other investment advisers
Ranked by the AUM the adviser attributes to this client type. Each row links to the firm page where it has one, and to its SEC record.
| Adviser | City | Clients of this type | AUM from this type | Total AUM | Source |
|---|
| L&G, Asset Management, America | Chicago | 15 | $146.57 billion | $267.16 billion | adviserinfo.sec.gov |
| Cfi Partners | Chicago | Fewer than 5 | $20.91 billion | $26.31 billion | adviserinfo.sec.gov |
| Taiko | Chicago | 12 | $5.09 billion | $5.09 billion | adviserinfo.sec.gov |
| Adams Street Partners, LLC | Chicago | Fewer than 5 | $4.45 billion | $66.49 billion | adviserinfo.sec.gov |
| PPM America Inc | Chicago | 1 | $4.42 billion | $93.79 billion | adviserinfo.sec.gov |
| Aris Investing | Glenview | 9 | $3.31 billion | $3.31 billion | adviserinfo.sec.gov |
| Savant Wealth Management | Rockford | 34 | $3.26 billion | $55.61 billion | adviserinfo.sec.gov |
| Zacks Investment Management, Inc. | Chicago | 179 | $2.41 billion | $14.59 billion | adviserinfo.sec.gov |
| Segall Bryant & Hamill | Chicago | 35 | $2.22 billion | $22.64 billion | adviserinfo.sec.gov |
| Advyzon Investment Management, LLC | Lisle | 61 | $1.68 billion | $1.68 billion | adviserinfo.sec.gov |
| William Blair & Company L.L.C. | Chicago | 1,146 | $1.39 billion | $64.28 billion | adviserinfo.sec.gov |
| Forum Financial Management, LP | Lombard | 13 | $1.24 billion | $8.69 billion | adviserinfo.sec.gov |
| GC Advisors LLC | Chicago | 2 | $1.00 billion | $177.85 billion | adviserinfo.sec.gov |
| Liberty One Investment Management | Libertyville | 7 | $966.7 million | $1.05 billion | adviserinfo.sec.gov |
| Greenrock Research, Inc. | Chicago | 21 | $842.4 million | $863.9 million | adviserinfo.sec.gov |
| Magnetar Financial LLC | Evanston | 8 | $806.7 million | $31.99 billion | adviserinfo.sec.gov |
| NXT Capital Investment Advisers, LLC | Chicago | 2 | $630.4 million | $6.65 billion | adviserinfo.sec.gov |
| Kabouter Management, LLC | Chicago | 1 | $609.9 million | $992.5 million | adviserinfo.sec.gov |
| Dearborn Partners L.L.C. | Chicago | 14 | $585.5 million | $2.74 billion | adviserinfo.sec.gov |
| GC Opal Advisors LLC | Chicago | 1 | $500 million | $124.30 billion | adviserinfo.sec.gov |
| Magnetar Asset Management LLC | Evanston | Fewer than 5 | $473.8 million | $1.92 billion | adviserinfo.sec.gov |
| Channing Capital Management, LLC | Chicago | 22 | $398 million | $4.25 billion | adviserinfo.sec.gov |
| Vistamark Investments | Hinsdale | 1 | $366.3 million | $456 million | adviserinfo.sec.gov |
| Maren Capital | Chicago | Fewer than 5 | $350.5 million | $2.08 billion | adviserinfo.sec.gov |
| William Blair Investment Management, LLC | Chicago | 1 | $320.7 million | $65.60 billion | adviserinfo.sec.gov |
| Elementum Advisors, LLC | Chicago | Fewer than 5 | $277.4 million | $4.48 billion | adviserinfo.sec.gov |
| Roberts, Glore & Co. | Deerfield | 1 | $173.3 million | $938.4 million | adviserinfo.sec.gov |
| Convexitas | Chicago | 10 | $147.6 million | $151.3 million | adviserinfo.sec.gov |
| Bernardi Asset Management, LLC | Northfield | 7 | $121.2 million | $331 million | adviserinfo.sec.gov |
| KKM Financial LLC | Chicago | 1 | $94.7 million | $865.7 million | adviserinfo.sec.gov |
| Equity Armor Investments | Chicago | 1 | $77.9 million | $184.3 million | adviserinfo.sec.gov |
| Cedar Street Asset Management LLC | Chicago | Fewer than 5 | $53.1 million | $938.4 million | adviserinfo.sec.gov |
| Ptma Investment Advisors | Naperville | 2 | $48.6 million | $30.59 billion | adviserinfo.sec.gov |
| Air Asset Management | Chicago | 1 | $46.7 million | $754.2 million | adviserinfo.sec.gov |
| Kerberos Capital Management LLC | Chicago | Fewer than 5 | $45.2 million | $412.2 million | adviserinfo.sec.gov |
| Great Lakes Advisors, LLC | Chicago | 1 | $43.2 million | $16.16 billion | adviserinfo.sec.gov |
| Gerchen Capital Partners | Chicago | Fewer than 5 | $36.9 million | $2.11 billion | adviserinfo.sec.gov |
| Heard Capital LLC | Chicago | Fewer than 5 | $35.9 million | $2.40 billion | adviserinfo.sec.gov |
| Ariel Investments, LLC | Chicago | 6 | $23.2 million | $12.78 billion | adviserinfo.sec.gov |
| Horizon Capital Management, LLC | Lake Forest | 1 | $2.8 million | $136.2 million | adviserinfo.sec.gov |
| Aza Capital Management | Chicago | Fewer than 5 | $353,151 | $339.6 million | adviserinfo.sec.gov |
| Prairie Rivers Investments, LLC | Robinson | Fewer than 5 | $3,130 | $249.3 million | adviserinfo.sec.gov |
| Harbor Capital Advisors, Inc. | Chicago | 12 | Not listed | $67.64 billion | adviserinfo.sec.gov |
| New Vernon Investment Management LLC | Highland Park | 2 | Not listed | $115.5 million | adviserinfo.sec.gov |
| Allstate Investment Management Company | Chicago | 1 | Not listed | $26.46 billion | adviserinfo.sec.gov |
Also on SpecStream
Public data published by the US Securities and Exchange Commission (US government work). Advisers report these values themselves in Form ADV, and neither the SEC nor the states approve or guarantee them. AUM is regulatory assets under management as the adviser reported it in Form ADV item 5.F, which can differ from the AUM a firm quotes elsewhere. Exempt reporting advisers do not report AUM. Office address, phone and website are the adviser's main office as filed; a firm that files its main office as a private residence shows no street address or phone. An Item 11 disclosure is a reported event, not a finding about the firm today. Details for each firm are on the SEC's Investment Adviser Public Disclosure site. This page uses SEC data and is not endorsed or certified by the SEC. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.