NivaLet’s talk

Top 3 financial advisor firms in Winnetka

3 SEC-registered financial advisor firms are headquartered in Winnetka, IL, with $1.69B in combined regulatory assets under management. The largest by assets are Hartline Investment ($935M), Rail-Splitter Capital Management ($484M) and Eastgate Capital Advisors ($271M).

3
Financial advisor firms
$1.69B
Their combined AUM
$484M
Median firm AUM
355
Clients of the top 3

The 3 largest by assets

  1. 1
    Hartline Investment

    RIA

    $935M

  2. 2
    Rail-Splitter Capital Management

    RIA

    $484M

  3. 3
    Eastgate Capital Advisors

    RIA

    $271M

Profiles of the top 3

No. 1 · RIA

Hartline Investment

Hartline Investment is an investment adviser based in Winnetka, IL, registered with the SEC since 1990. It provides investment management. Its clients include high-net-worth individuals, charitable organizations and individual clients. Its regulatory assets under management total $935 million, as filed on 30 March 2026.

Hartline Investment charges 0.60%–1.00% a year for its Investment Supervisory Services.

Regulatory AUM
$935M
Clients
266
Advisory staff
3
Fee schedule
0.60% to 1.00% a year
Custodians
Charles Schwab, J.P. Morgan
Headquarters
460 Winnetka Avenue, Suite 5, Winnetka, IL 60093
Phone
312-726-5703
Website
hartlineinv.com

No. 2 · RIA

Rail-Splitter Capital Management

Rail-Splitter Capital Management is an investment adviser based in Winnetka, IL, registered with the SEC since 2026. It provides investment management. Its clients include high-net-worth individuals, individual clients, and pension and profit-sharing plans. Its regulatory assets under management total $484 million, as filed on 24 June 2026.

Rail-Splitter Capital Management charges 0.40%–2.00% a year for its Investment Management Services.

Regulatory AUM
$484M
Clients
34
Advisory staff
3
Fee schedule
0.40% to 2.00% a year
Custodians
Goldman Sachs & Co.
Headquarters
588 Lincoln Avenue, Suite 200, Winnetka, IL 60093
Phone
773-294-6099
Website
rail-splitter.com

No. 3 · RIA

Eastgate Capital Advisors

Eastgate Capital Advisors is an investment adviser based in Winnetka, IL, registered with the SEC since 2024. It provides financial planning and investment management. Its clients include high-net-worth individuals and individual clients. Its regulatory assets under management total $271 million, as filed on 30 March 2026.

Eastgate Capital Advisors charges 0.35%–0.95% a year for its Comprehensive Wealth Management Services.

Regulatory AUM
$271M
Clients
55
Advisory staff
4
Founded
2010
Fee schedule
0.35% to 0.95% a year
Custodians
Charles Schwab
Headquarters
560 Green Bay Road, Suite 200, Winnetka, IL 60093
Phone
312-690-4900
Website
eastgateca.com

Questions about financial advisors in Winnetka

How many financial advisor firms are headquartered in Winnetka?

3 SEC-registered financial advisor firms report their principal office in Winnetka, IL, managing $1.69B in regulatory assets between them. The other 1 adviser headquartered in the city are broker-dealers, other kinds of wealth firm, or fund and institutional managers.

Source: Form ADV Part 1A, Items 1.F, 5.D and 5.F

What is the largest financial advisor firm in Winnetka?

Hartline Investment, with $935M in regulatory assets under management on its latest Form ADV. The next largest are Rail-Splitter Capital Management ($484M) and Eastgate Capital Advisors ($271M).

Source: Form ADV Part 1A, Item 5.F

How large is a typical financial advisor firm in Winnetka?

The median firm manages $484M in regulatory assets. That is the midpoint of the 3 firms headquartered in Winnetka.

Source: Form ADV Part 1A, Item 5.F

How much do financial advisors in Winnetka charge?

Of the 3 largest firms, 3 publish an asset-based fee schedule for their main service in their brochure. The highest rate in those schedules runs from 0.95% to 2.00% of assets, depending on the firm; each firm's fee is in its profile above.

Source: Form ADV Part 2A brochures, Item 5

How can I check a financial advisor's record in Winnetka?

Search the firm or the person on the SEC's Investment Adviser Public Disclosure site, adviserinfo.sec.gov, which shows registrations, Form ADV filings and any disclosures. Each firm profile in this directory links its SEC record.

Source: SEC Investment Adviser Public Disclosure

How is this list ordered?

By regulatory assets under management as filed on Form ADV, largest first. A firm is included when its principal office is in the city and most of its client assets belong to individuals and its type is RIA, which leaves out broker-dealers, wirehouses, RIA networks, digital advice, bank, insurance and family-office firms. A firm with only a branch office here is listed in its own headquarters city.

Source: Niva directory methodology

Winnetka has 3 financial advisor firms; see every adviser in the city →

Top financial advisor firms in other Illinois cities