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Daria Mack

Investment adviser representative at Rail-Splitter Capital Management in Winnetka, IL

Investment adviser registrationUpdated

Daria Mack is an investment adviser representative at Rail-Splitter Capital Management LLC, an investment adviser managing $484M, and works from its Winnetka, IL office. Daria Mack has been registered through Rail-Splitter Capital Management since 13 March 2026, has 24 years in the industry across 6 firms and has passed the Series 7 and Series 66.

24
Years in industry
0
Years at firm
6
Adviser firms
1
States registered

From the IAPD record, checked 23 October 2026SEC record

Career

Daria Mack has been an investment adviser representative at Rail-Splitter Capital Management since March 2026, and is not listed among the firm’s executive officers or direct owners.

Rail-Splitter Capital Management LLC is a Winnetka, IL firm with $484M under management, 34 clients and 3 advisers in one office, as of its June 2026 filing.

Daria Mack’s longest registration was 11 years at Wintrust Investments (2013–2025). Before joining Rail-Splitter Capital Management in 2026, Daria Mack was registered through LPL Financial LLC and Great Lakes Advisors, LLC.

  1. – present · under a year
    Winnetka, IL · Adviser representative · Firm CRD 338394
  2. LPL Financial LLC
    – · 1 year
    Winnetka, IL · Adviser representative · Firm CRD 6413
  3. Great Lakes Advisors, LLC
    – · 1 year
    Winnetka, IL · Adviser representative · Firm CRD 110757
  4. Wintrust Investments
    – · 11 years
    Winnetka, IL · Adviser representative · Firm CRD 875
  5. Wells Fargo Advisors, LLC
    – · 5 years
    Chicago, IL · Adviser representative · Firm CRD 19616
  6. A. G. Edwards & Sons, Inc.
    – · 6 years
    Skokie, IL · Adviser representative · Firm CRD 4

Credentials and registrations

Investment adviser representative registrations

Daria Mack is registered as an investment adviser representative in Illinois, since March 2026.

  • IllinoisSince 13 March 2026

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 6627 November 2001
Name
Uniform Combined State Law Examination
Series 719 October 2001
Name
General Securities Representative Examination

Key facts

Full name
Daria Marie Mack
CRD
4463216
Office
588 LINCOLN AVENUE, SUITE 200, Winnetka, IL 60093
Registration
Investment adviser registration
In the industry since
November 2001
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Daria Mack work?

Daria Mack is an investment adviser representative registered through Rail-Splitter Capital Management LLC since March 2026, and is not listed among the firm’s executive officers or direct owners.

Source: IAPD individual record, checked 23 October 2026

Is Daria Mack a financial advisor?

Yes. Daria Mack has a current investment-adviser registration in Illinois, through Rail-Splitter Capital Management since March 2026.

Source: IAPD individual record, checked 23 October 2026

How many years of experience does Daria Mack have?

Daria Mack has 24 years in the financial industry, since November 2001, across 6 adviser firms.

Source: IAPD individual record, checked 23 October 2026

What exams has Daria Mack passed?

Daria Mack has passed 2 licensing exams: the Series 7 and Series 66. The earliest, the Series 7, was passed in October 2001. FINRA credited Daria Mack with the SIE, which began in October 2018.

Source: IAPD individual record, checked 23 October 2026

Where did Daria Mack work before Rail-Splitter Capital Management?

Before Rail-Splitter Capital Management, Daria Mack was registered through Great Lakes Advisors, LLC, January 2017 to April 2018; Wintrust Investments, August 2013 to January 2025; Wells Fargo Advisors, LLC, January 2008 to August 2013; A. G. Edwards & Sons, Inc., December 2001 to January 2008.

Source: IAPD individual record, checked 23 October 2026

Where is Daria Mack based?

Daria Mack’s registered office is in Winnetka, IL.

Source: IAPD individual record, checked 23 October 2026

Is Daria Mack registered with FINRA?

No. Daria Mack has no current broker registration.

Source: IAPD individual record, checked 23 October 2026

How can I verify Daria Mack’s record?

Search CRD 4463216 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Daria Mack’s full registration record.

Source: IAPD individual record, checked 23 October 2026

Leadership at Rail-Splitter Capital Management

Sources

  1. IAPD individual record, CRD 4463216, checked 23 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Rail-Splitter Capital Management LLC, filed 24 June 2026. Executive officers and direct owners; this person is not among them.