DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

Registered advisor

Daria Marie Mack

Rail-Splitter Capital Management LLCindependent RIAWinnetka, IlIA-onlyIAPD 4463216

Feed of 09/14/2026

Also filed as Daria Marie Ort-Horvitz

At current firm

0 y

since Mar 13, 2026

In the industry

24 y

since Nov 27, 2001 (earliest exam, job or registration)

Prior registered firms

IAPD previous registrations

State registrations

current, as an IAR

Firms today

current registrations

Exams

S66

IA exams only

Book size

not public

not estimated here

Signals

dated events on this person

Registration history

IAPD current and previous registrations

Rail-Splitter Capital Management LLC independent RIA current
since Mar 13, 2026 · Winnetka, Il
LPL Financial LLC BD affiliated
Jan 23, 2025 to Mar 24, 2026 · Winnetka, Il
Great Lakes Advisors, LLC other
Jan 4, 2017 to Apr 10, 2018 · Winnetka, Il
Wintrust Investments former
Aug 19, 2013 to Jan 23, 2025 · Winnetka, Il
Wells Fargo Advisors wirehouse
Jan 1, 2008 to Aug 6, 2013 · Skokie, Il
A. G. Edwards & Sons, Inc. unclassified
Dec 6, 2001 to Jan 1, 2008 · Skokie, Il

Moves

a registration end followed by a registration begin elsewhere

LPL Financial LLC to Rail-Splitter Capital Management LLC
left Mar 24, 2026, registered Mar 13, 2026 (-11 days) · Affiliated broker-dealer or bank to a newly registered adviser · moved with a team
Wintrust Investments to Great Lakes Advisors, LLC
left Jan 23, 2025, registered Jan 4, 2017 (-2941 days) · channel change inside one enterprise, not a move · moved with a team
Great Lakes Advisors, LLC to LPL Financial LLC
left Apr 10, 2018, registered Jan 23, 2025 (2480 days) · Other
Wells Fargo Advisors to Wintrust Investments
left Aug 6, 2013, registered Aug 19, 2013 (13 days) · Other
A. G. Edwards & Sons, Inc. to Wells Fargo Advisors
left Jan 1, 2008, registered Jan 1, 2008 (0 days) · corporate re-registration, not a move

Signals

Daria Marie Mack left Lpl Financial Llc for Rail-Splitter Capital Management Llc (registered 2026-03-13)
Mar 24, 2026 · Advisor changed firm · fact

Transition signals

Mobility scoring is not published yet. The observable conditions this page will draw on once the historical validation is done: tenure, the firm’s own departures and ownership changes, new state registrations, a new adviser entity with this person on Schedule A, and colleagues’ moves. Until precision and lead time are measured on known moves, no label is printed. Read the methodology.

Provenance

Source: IAPD individual compilation feedreportedadviserinfo.sec.gov
Firm class: Independent wealth managerderived
Years in industry: 24derivedfrom the earliest dated exam, employment or registration
Not published: disclosure flags, outside business text, branch street address