Firm profile

Seia

LOS ANGELES, CACRD 108163Registration Status: ApprovedEffective since February 23, 1999SEC # 801-56288Latest ADV September 14, 2026

Seia is an SEC registered investment adviser organized as a limited liability company with a primary office location in Los Angeles, CA. Its latest Form ADV filing, dated September 14, 2026, reports $22.5B in regulatory assets under management, 241 employees, 26 offices, and 9,833 accounts.

Assets Under Management
$22.5B
Employees
241
Offices
26 offices
Total Clients
9,839

Associated firm names

3 names listed
  • LIFECARE AFFORDABILITY PLAN
  • SIGNATURE ESTATE & INVESTMENT ADVISORS LLC
  • SEIA

Leadership

5 roles identified
CEOBrian D. Holmes
CCOAlex Kim
CCOEric Z. Rosen

Advisory services offered

5 types reported
Educational seminars/workshops
Financial Planning Services
Portfolio management for businesses

Fee models offered

3 types reported
Asset based fees
Fixed fees
Hourly charges

Offices & Contact

Primary office

LOS ANGELES, California, United States

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Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

California

LOS ANGELESPrimary office · NEWPORT BEACH · REDONDO BEACH · SAN MATEO · PASADENA

Arizona

PHOENIX · TUCSON

Colorado

DENVER

Florida

TAMPA · FORT LAUDERDALE

Illinois

CHICAGO

Massachusetts

BOSTON

Michigan

HARPER WOODS

New Jersey

PRINCETON

New York

NEW YORK

North Carolina

CHAPEL HILL

Ohio

CLEVELAND

Oregon

BEAVERTON

Pennsylvania

BETHLEHEM · PITTSBURGH

Tennessee

BRENTWOOD

Texas

AUSTIN · DALLAS · HOUSTON

Utah

SALT LAKE CITY

Virginia

TYSONS CORNER

26 office records listed · 26 total offices reported. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$22.5Bas of September 14, 2026
Discretionary15.8%
$3.6B
16% of total RAUM15.8%
Non-discretionary84.2%
$19.0B
84% of total RAUM84.2%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Client Coverage Demographics

Top client segmentHNWI represent 50.0% of total clients.
Top client categories% of clientsClients
1
HNWI
50.0%
4,920
2
Individuals
46.8%
4,600
3
Corporations
2.0%
196
4
Pension Plans
1.0%
95
5
Charitable
0.2%
22

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$22.5B
Total Accounts9,833
10Y AUM Change+$18.2B (+418.2%)

Private Funds

Private funds reported by Seia

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Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees241
Clients per Employee41:1
10Y Employee Change+156 (+183.5%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
SEIA HOLDINGS, LLCDirect owner · Schedule AInterest in SEIA
75%+
REVERENCE CAPITAL PARTINERSIndirect owner · Schedule BInterest in SEIA HOLDINGS, LLC
50% to < 75%
SEIA MANAGEMENT HOLDINGS, LLCIndirect owner · Schedule BInterest in SEIA HOLDINGS, LLC
25% to < 50%

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Seia.

Reported ownership and control details

Form ADV · Filing date 2026-09-14 · Schedules A and B

9 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1BRIAN DAVID HOLMESCEOIndividualSEIALess than 5%Code NAYesCEO08/1996Schedule APDF page 37
2ERIC ZACHARY ROSENCHIEF COMPLIANCE OFFICERIndividualSEIALess than 5%Code NAYesCHIEF COMPLIANCE OFFICER12/2017Schedule APDF page 37
3SEIA HOLDINGS, LLCSHAREHOLDERDomestic entitySEIA75% or moreCode EYesSHAREHOLDER09/2022Schedule APDF page 37
4MATTHEW JAMES MATRISIANPRESIDENTIndividualSEIALess than 5%Code NAYesPRESIDENT04/2025Schedule APDF page 37
5Stephen V MastersonCHIEF FINANCIAL OFFICERIndividualSEIALess than 5%Code NAYesCHIEF FINANCIAL OFFICER06/2025Schedule APDF page 37
6ERIC ZACHARY ROSENCHIEF OPERATING OFFICERIndividualSEIALess than 5%Code NAYesCHIEF OPERATING OFFICER12/2025Schedule APDF page 37
7ALEX KIMDEPUTY COMPLIANCE OFFICERIndividualSEIALess than 5%Code NAYesDEPUTY COMPLIANCE OFFICER01/2026Schedule APDF page 37
8SEIA MANAGEMENT HOLDINGS, LLCSHAREHOLDERDomestic entitySEIA HOLDINGS, LLC25% to less than 50%Code CYesSHAREHOLDER01/2024Schedule BPDF page 38
9REVERENCE CAPITAL PARTINERSSHAREHOLDERDomestic entitySEIA HOLDINGS, LLC50% to less than 75%Code DYesSHAREHOLDER08/2022Schedule BPDF page 38

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 9/14/2026 12:49:35 PM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.