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Rail-Splitter Capital Management LLC

Winnetka, ILSEC-registered investment adviserCRD 338394

Filed as RAIL-SPLITTER CAPITAL MANAGEMENT LLC

Rail-Splitter Capital Management LLC is an SEC-registered investment advisory firm in Winnetka, IL, registered since 2026, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated June 24, 2026.

0 years
registered since 2026
$484,088,810
assets under management
1 arrangement
Percentage of assets
None
disclosure items (Item 11)

Quick answers

From the filing

How is Rail-Splitter Capital Management LLC compensated?

On its Form ADV (Item 5.E, October 2026), Rail-Splitter Capital Management LLC reports these compensation arrangements: a percentage of assets under its management.

How much does Rail-Splitter Capital Management LLC charge?

Its Form ADV Part 2A brochure dated June 24, 2026 states: Asset-based fee: 0.4% to 2% a year (a range, as the brochure states it). Fees can differ by service and may be negotiable; the brochure is the complete statement.

Where is Rail-Splitter Capital Management LLC located?

Rail-Splitter Capital Management LLC's principal office is in Winnetka, IL, according to its Form ADV.

Is Rail-Splitter Capital Management LLC registered with the SEC or a state?

Rail-Splitter Capital Management LLC is an SEC-registered investment advisory firm, registered since 2026. Status as filed: Approved. CRD 338394.

How much does Rail-Splitter Capital Management LLC manage?

Rail-Splitter Capital Management LLC reports $484,088,810 in regulatory assets under management in its Form ADV filing dated June 24, 2026 (96% discretionary).

What types of clients does Rail-Splitter Capital Management LLC serve?

By number of clients on Form ADV Item 5.D: high net worth individuals (22); individuals (other than high net worth individuals) (12).

Which custodians does Rail-Splitter Capital Management LLC use?

Rail-Splitter Capital Management LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Goldman Sachs & Co. LLC as a custodian holding 10% or more of its separately managed account assets.

Does Rail-Splitter Capital Management LLC report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/338394

What changed in Rail-Splitter Capital Management LLC's recent Form ADV filings?

In the July 2026 filing data: Regulatory assets under management went from $0 to $484,088,810.

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

Asset-based fee: 0.4% to 2% a year (a range, as the brochure states it)

The brochure's wording
Investment advisory fees range from 0.40% to 2.00% annually based on several factors, including: the scope and complexity of the services to be provided; the level of assets to be managed; and the overall relationship with the Advisor.

As stated in the firm's Form ADV Part 2A brochure dated June 24, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

Regulatory assets under management

Item 5.F
$484,088,810

$484,088,810 as of October 2026, filing dated June 24, 2026.

Discretionary: $466,694,778.Non-discretionary: $17,394,032.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Individuals (other than high net worth individuals)
Clients 12 Assets $18,537,812 (4%)
High net worth individuals
Clients 22 Assets $458,460,763 (95%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients Fewer than 5 Assets $7,090,235 (1%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for individuals and/or small businesses
  • Selection of other advisers (including private fund managers)

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2026 (0 years)
Employees
Total: 3. Performing investment advisory functions: 3.
Wrap fee program participation
Yes.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

States registered or notice-filed
1 state or jurisdiction
IL

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Changes in the filing

Last 12 months
  1. July 2026
    • Regulatory assets under management went from $0 to $484,088,810.
  2. March 2026
    • Newly registered with the SEC.

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
rail-splitter.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Rail-Splitter Capital Management LLC (CRD 338394): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/rail-splitter-capital-management-llc-winnetka-il-338394