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.

SEC-registered adviser

Sequent Asset Management, LLC

Independent wealth managerHouston, TexasCRD 148194SEC 801-69523websiteIAPD
Latest filing Apr 1, 2026
First filing on the tape Mar 30, 2012 · 20 filings
SEC status approved since Aug 29, 2008
RAUM
$1.1B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
88%
$934M individuals and HNW
Advisors
2
registered through the firm on IAPD
RAUM per advisor
$528M
derived; firm RAUM over IAPD count
Employees
3
2 advisory (5.B.1)
Offices
1
beyond the principal office
Private funds
0
reported on Schedule D
History
20 filings and snapshots on the tape
RAUM$1.1B as of Apr 1, 2026
Mar 30, 2012$395M then
HNW client RAUM$930M as of Apr 1, 2026
Mar 27, 2018$435M then
State-registered IARs (5.B.3)2 as of Apr 1, 2026
Mar 30, 20120 then
Employees (5.A)3 as of Apr 1, 2026
Mar 4, 20134 then
Private funds: no history
RAUM +8.5% over the last fiscal year+12% a year over threeIARs 2 to 2
Practice profile
derived from the filing of Apr 1, 2026; every figure names its basis
Archetypes, each a printed rule
  • Independent boutique · a wealth manager with no broker-dealer, bank or insurance affiliate, 2 to 25 advisors, one to three offices, no public reporting company control
RAUM per advisor
$528MderivedRAUM over IAPD advisors; not a book size
Clients per advisor
157derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$3.2MderivedHNW RAUM over HNW clients
Average account
$3.2MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
1.5derivedItem 5.A over advisors
Advisors per office
1.0derived2 offices incl. principal (1.F.5)
RAUM growth, one year
+8.5%derivedbetween the last two annual amendments
Advisor growth, one year
+0.0%derivedItem 5.B.3 between annual amendments
Client growth, one year
-51%derived
Compensation
percentage of assets, fixed feesreportedItem 5.E
Advisory activities
financial planning, portfolio management for individuals, portfolio management for businesses and institutions, selection of other advisersreportedItem 5.G
Custody
$39.1M, 46 clientsreportedItem 9.A
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • buys or sells securities as principal to or from clients (8.A.2)
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • receives research or other products from a broker-dealer, soft dollars (8.E)
  • has custody of client cash or bank accounts (9.A.1.a)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • High-net-worth individuals$930M88%
  • Corporations and businesses$122M12%
  • Individuals$3.1M0.3%
Individual clients
22reported
HNW clients
292reported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
335reported
Financial planning clients
26-50reported
Wrap fee programs
noreported
Custody of client assets
$39.1M for 46 clientsreported
Compensation
% of AUM, fixedreported
Class basis
private_client_share=0.88 fund_share=0.0 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0derived
Advisors registered through the firm
2 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
David Matthew DollHouston, TxAug 29, 200818 y0
Timothy Shawn HartzellChartered Financial AnalystHouston, TxSep 18, 200843 y2
Advisor movement
0 left, 0 joined in 12 months
net 0 in 12 months0 left in 90 days0 joined in 90 daysdeparture rate 0.0% of current headcount0 left over 36 months
Left, latest
Joined, latest
Private funds
No private fund reported.
Owners and control persons
Schedule A and B, latest filing
  • Matthew David Doll · Founder And Chief Executive Officercontrol
    since 07/2008 · owns less than 5%
  • Shawn Timothy Hartzell · Founder/Chief Investment Officer And Chief Compliance Officercontrol
    since 07/2008 · owns less than 5%
  • Matthew David Doll · Foundercontrol
    since 07/2008 · owns 75% or more of Madsenwaters, LLC
  • Shawn Timothy Hartzell · Foundercontrol
    since 07/2008 · owns 75% or more of Hartzell, LLC
Entity owners
  • Hartzell, LLC · Member
    direct · owns 50% to 75%
  • Madsenwaters, LLC · Member
    direct · owns 50% to 75%
Related persons
Schedule D 7.A
No related person reported.
Office movement
IAPD branch city; joins and departures in 12 months
OfficeAdvisorsJoinedLeftTeams outForming
Houston, Tx · principal200
Offices
Schedule D 1.F, the 25 largest
  • , 1 employees
ADV anomalies
3 against comparable advisers; where to look, not conclusions
  • clients down average size upCombination · filing Apr 1, 2026
    private clients fell 20 percent or more while RAUM per client rose 30 percent or more: a move up-market or the departure of small accounts. RAUM $972,706,762 to $1,055,825,621, advisors 2 to 2, private clients 640 to 314, offices 1 to 1 (2025-03-27 to 2026-04-01)
    peers: independent wealth managers, $1B to $5B (1,360)
  • account count collapseChange between filings · filing Apr 1, 2026
    accounts (Item 5.F.2.f) moved from 691.0 to 335.0 (-52.0%) between the annual amendments of 2025-03-27 and 2026-04-01; the peer median change was +6.0% (1206 comparable advisers, 2.0th percentile of changes)
    peers: independent wealth managers, $1B to $5B (1,206) · 1.8% percentile
  • client count collapseChange between filings · filing Apr 1, 2026
    individual and HNW clients (Item 5.D) moved from 640.0 to 314.0 (-51.0%) between the annual amendments of 2025-03-27 and 2026-04-01; the peer median change was +5.0% (1132 comparable advisers, 1.0th percentile of changes)
    peers: independent wealth managers, $1B to $5B (1,132) · 1.0% percentile
What changed
consecutive filings, newest first
  • Accounts · 691 to 335
    Mar 27, 2025 to Apr 1, 2026
  • Corporate clients · 51 to 21
    Mar 27, 2025 to Apr 1, 2026
  • HNW clients · 602 to 292
    Mar 27, 2025 to Apr 1, 2026
  • Individual clients · 38 to 22
    Mar 27, 2025 to Apr 1, 2026
  • Assets in custody · $439M to $39.1M
    Mar 27, 2025 to Apr 1, 2026
  • Discretionary RAUM · $973M to $1.1B
    Mar 27, 2025 to Apr 1, 2026
  • HNW RAUM · $860M to $930M
    Mar 27, 2025 to Apr 1, 2026
  • Individual RAUM · $3.3M to $3.1M
    Mar 27, 2025 to Apr 1, 2026
  • RAUM · $973M to $1.1B
    Mar 27, 2025 to Apr 1, 2026
  • Accounts · 312 to 691
    Mar 19, 2024 to Mar 27, 2025
  • Advisory employees · 3 to 2
    Mar 19, 2024 to Mar 27, 2025
  • Corporate clients · 22 to 51
    Mar 19, 2024 to Mar 27, 2025
  • HNW clients · 267 to 602
    Mar 19, 2024 to Mar 27, 2025
  • Individual clients · 23 to 38
    Mar 19, 2024 to Mar 27, 2025
  • Assets in custody · $37.6M to $439M
    Mar 19, 2024 to Mar 27, 2025
  • Employees · 4 to 3
    Mar 19, 2024 to Mar 27, 2025
  • Financial planning clients · 26-50 to 26-50
    Mar 19, 2024 to Mar 27, 2025
  • State-registered IARs · 3 to 2
    Mar 19, 2024 to Mar 27, 2025
  • Discretionary RAUM · $885M to $973M
    Mar 19, 2024 to Mar 27, 2025
  • HNW RAUM · $798M to $860M
    Mar 19, 2024 to Mar 27, 2025
  • Individual RAUM · $3.0M to $3.3M
    Mar 19, 2024 to Mar 27, 2025
  • RAUM · $885M to $973M
    Mar 19, 2024 to Mar 27, 2025
  • Accounts · 509 to 312
    Jun 6, 2023 to Mar 19, 2024
  • Corporate clients · 38 to 22
    Jun 6, 2023 to Mar 19, 2024
  • HNW clients · 444 to 267
    Jun 6, 2023 to Mar 19, 2024
  • Individual clients · 27 to 23
    Jun 6, 2023 to Mar 19, 2024
  • Assets in custody · $30.6M to $37.6M
    Jun 6, 2023 to Mar 19, 2024
  • Discretionary RAUM · $761M to $885M
    Jun 6, 2023 to Mar 19, 2024
  • HNW RAUM · $633M to $798M
    Jun 6, 2023 to Mar 19, 2024
  • Individual RAUM · $13.3M to $3.0M
    Jun 6, 2023 to Mar 19, 2024
  • RAUM · $761M to $885M
    Jun 6, 2023 to Mar 19, 2024
  • Accounts · 500 to 509
    Mar 24, 2023 to Jun 6, 2023
  • Corporate clients · 50 to 38
    Mar 24, 2023 to Jun 6, 2023
  • HNW clients · 423 to 444
    Mar 24, 2023 to Jun 6, 2023
  • Discretionary RAUM · $340M to $761M
    Mar 24, 2023 to Jun 6, 2023
  • HNW RAUM · $561M to $633M
    Mar 24, 2023 to Jun 6, 2023
  • Individual RAUM · $4.5M to $13.3M
    Mar 24, 2023 to Jun 6, 2023
  • Non-discretionary RAUM · $420M to $0
    Mar 24, 2023 to Jun 6, 2023
  • RAUM · $760M to $761M
    Mar 24, 2023 to Jun 6, 2023
  • Accounts · 461 to 500
    Jul 28, 2022 to Mar 24, 2023
Signals
No event on the tape.
Across DFX
shared identifiers only, never a name match
How to reach
public business contact points only, each with its source
Business phone
713-467-0008reportedpublished by the firm, firm site, Sep 17, 2026
Website
SEQUENTASSET.COMreportedpublic record, Form ADV, Sep 17, 2026
Principal office phone
713-467-0008reportedpublic record, Form ADV, Apr 1, 2026
Contact form
sequentasset.com/connectreportedpublished by the firm, firm site, Sep 17, 2026
Provenance
Form ADV
SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
Advisors
IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
Class
Independent wealth managerderiveda rule over Items 5.D and 7.A
RAUM per advisor
$528Mderivedfirm RAUM over the IAPD count; not a book size
Loaded
Sep 14, 2026