As of October 2, 2026, 842 independent wealth management RIAs based in Illinois reported $622.3 billion in regulatory assets under management; the largest by assets was Hightower Advisors, LLC, with $198.6 billion.
From the SEC's yearly files: SEC-registered independent RIAs based in Illinois, from October 2018, each snapshot classed from its own Form ADV answers.
FirmsSEC-registered independent RIAs. 9 snapshots, October 1, 2018 to October 2, 2026.Firms, SEC-registered independent RIAs in Illinois, in each snapshot from October 1, 2018 to October 2, 2026.Data table
Firms
As of
Firms
October 1, 2018
223
October 1, 2019
220
October 1, 2020
233
October 4, 2021
248
October 3, 2022
261
October 5, 2023
256
October 1, 2024
267
September 2, 2025
279
October 2, 2026
321
Regulatory assets under managementSEC-registered independent RIAs. 9 snapshots, October 1, 2018 to October 2, 2026.Regulatory assets under management, SEC-registered independent RIAs in Illinois, in each snapshot from October 1, 2018 to October 2, 2026.Data table
Regulatory assets under management
As of
Regulatory assets under management
October 1, 2018
$191.9 billion
October 1, 2019
$186.2 billion
October 1, 2020
$223.0 billion
October 4, 2021
$317.2 billion
October 3, 2022
$385.2 billion
October 5, 2023
$375.7 billion
October 1, 2024
$428.6 billion
September 2, 2025
$561.2 billion
October 2, 2026
$609.5 billion
Client accountsSEC-registered independent RIAs. 9 snapshots, October 1, 2018 to October 2, 2026.Client accounts, SEC-registered independent RIAs in Illinois, in each snapshot from October 1, 2018 to October 2, 2026.Data table
Client accounts
As of
Client accounts
October 1, 2018
290,212
October 1, 2019
358,791
October 1, 2020
432,877
October 4, 2021
687,732
October 3, 2022
671,779
October 5, 2023
709,439
October 1, 2024
629,676
September 2, 2025
904,571
October 2, 2026
843,416
Median firm size (RAUM)SEC-registered independent RIAs. 9 snapshots, October 1, 2018 to October 2, 2026.Median firm size (RAUM), SEC-registered independent RIAs in Illinois, in each snapshot from October 1, 2018 to October 2, 2026.Data table
Median firm size (RAUM)
As of
Median firm size (RAUM)
October 1, 2018
$262.0 million
October 1, 2019
$239.7 million
October 1, 2020
$264.5 million
October 4, 2021
$300.3 million
October 3, 2022
$306.1 million
October 5, 2023
$266.4 million
October 1, 2024
$285.8 million
September 2, 2025
$315.0 million
October 2, 2026
$322.7 million
The market in Illinois now
Headline figures
Headline figures, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Firms
842
321
521
Regulatory assets under management
$622.3 billion
$609.5 billion
$12.8 billion
Accounts
885,343
843,416
41,927
Clients
364,487
334,446
30,041
Employees
8,425
7,664
761
Advisory employees
5,024
4,358
666
Investment adviser representatives
5,393
4,693
700
Median RAUM
$78.8 million
$322.7 million
$23.7 million
Average RAUM
$884.0 million
$1.9 billion
$32.9 million
Firms by size
Advisers grouped by regulatory assets under management.
Firms by size, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Firms under $100 million
386
6
380
RAUM of firms under $100 million
$11.8 billion
$123.1 million
$11.7 billion
Firms $100 million to $250 million
132
122
10
RAUM of firms $100 million to $250 million
$21.4 billion
$20.2 billion
$1.1 billion
Firms $250 million to $500 million
79
79
0
RAUM of firms $250 million to $500 million
$28.3 billion
$28.3 billion
$0
Firms $500 million to $1 billion
53
53
0
RAUM of firms $500 million to $1 billion
$37.8 billion
$37.8 billion
$0
Firms $1 billion to $5 billion
39
39
0
RAUM of firms $1 billion to $5 billion
$76.6 billion
$76.6 billion
$0
Firms $5 billion to $10 billion
8
8
0
RAUM of firms $5 billion to $10 billion
$56.4 billion
$56.4 billion
$0
Firms $10 billion and up
7
7
0
RAUM of firms $10 billion and up
$390.0 billion
$390.0 billion
$0
Concentration
How much of the market the largest advisers hold.
Concentration: independent RIAsAs of October 2, 2026.
Measure
Bar
Value
Top 10 share of RAUM
66.8%
Top 100 share of RAUM
89.5%
Concentration, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Top 10 share of RAUM
66.8%
68.3%
8.9%
Top 100 share of RAUM
89.5%
91.4%
58.7%
How advisers are paid
Share of advisers reporting each form of compensation on Form ADV Item 5.E. A firm can report several.
How advisers are paid: independent RIAsAs of October 2, 2026.
Measure
Bar
Value
Charge a percentage of assets
91.7%
Charge hourly fees
51.0%
Charge subscription fees
1.1%
Charge fixed fees
61.2%
Receive commissions
5.6%
Charge performance-based fees
5.3%
Other compensation
7.4%
How advisers are paid, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Charge a percentage of assets
91.7%
97.8%
87.9%
Charge hourly fees
51.0%
49.5%
51.8%
Charge subscription fees
1.1%
1.2%
1.0%
Charge fixed fees
61.2%
69.8%
55.9%
Receive commissions
5.6%
6.5%
5.0%
Charge performance-based fees
5.3%
7.2%
4.2%
Other compensation
7.4%
8.7%
6.5%
Custody
Advisers reporting custody of client cash or securities on Form ADV Item 9.
Custody, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Have custody
25.2%
52.3%
8.4%
Broker-dealer and other affiliations
From Form ADV Items 6 and 7.
Broker-dealer and other affiliations, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Broker-dealer affiliated
2.0%
3.7%
1.0%
New firms and successions
New registrations and firms reporting that they succeeded to another adviser's business (Form ADV Item 4).
New firms and successions, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
New registrations
89
39
50
Successions
No data
0
No data
Other measures
Other measures, as of October 2, 2026
Measure
Independent RIAs
SEC-registered
State-registered
Firms reporting RAUM
704
314
390
Discretionary RAUM
$576.9 billion
$565.5 billion
$11.4 billion
CFP professionals
1,693
1,490
203
25th percentile RAUM
$20.0 million
$174.3 million
$9.7 million
75th percentile RAUM
$275.1 million
$725.6 million
$49.8 million
90th percentile RAUM
$780.5 million
$1.5 billion
$79.8 million
Average account size
$702,910
$722,632
$306,174
Offer financial planning
79.0%
84.7%
75.4%
RAUM growth, one year
No data
8.6%
No data
As of October 2, 2026. Definitions of every measure are on the methodology page.