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

Siebert Advisornxt, LLC.

Independent wealth managerNew York, New YorkCRD 288572SEC 801-110718websiteIAPD
Latest filing Mar 25, 2026
First filing on the tape May 26, 2017 · 67 filings
SEC status approved since Jul 11, 2017
RAUM
$392M
reported, Item 5.F
Discretionary
0.0%
of RAUM
Private clients
100%
$392M individuals and HNW
Advisors
41
registered through the firm on IAPD
RAUM per advisor
$9.5M
derived; firm RAUM over IAPD count
Employees
43
32 advisory (5.B.1)
Offices
8
beyond the principal office
Private funds
0
reported on Schedule D
History
67 filings and snapshots on the tape
RAUM$392M as of Mar 25, 2026
Mar 15, 2018$209M then
HNW client RAUM$183M as of Mar 25, 2026
Mar 15, 2018$2.4M then
State-registered IARs (5.B.3)43 as of Mar 25, 2026
Mar 15, 20186 then
Employees (5.A)43 as of Mar 25, 2026
Mar 15, 20188 then
Private funds: no history
RAUM +36% over the last fiscal year+34% a year over threeIARs 31 to 43
Practice profile
derived from the filing of Mar 25, 2026; every figure names its basis
Archetypes, each a printed rule
RAUM per advisor
$9.5MderivedRAUM over IAPD advisors; not a book size
Clients per advisor
24derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$2.0MderivedHNW RAUM over HNW clients
Average account
$402,374derivedRAUM over accounts (5.F.2.f)
Discretionary
0.0%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
1.0derivedItem 5.A over advisors
Advisors per office
4.6derived9 offices incl. principal (1.F.5)
RAUM growth, one year
+36%derivedbetween the last two annual amendments
Advisor growth, one year
+39%derivedItem 5.B.3 between annual amendments
Client growth, one year
+24%derived
Compensation
percentage of assetsreportedItem 5.E
Advisory activities
portfolio management for individuals, otherreportedItem 5.G
Wrap fee program
$392MreportedItem 5.I
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
  • 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)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • an independent public accountant performs a surprise examination (9.C.1)
  • a related person acts as qualified custodian (9.D.2)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Individuals$209M53%
  • High-net-worth individuals$183M47%
Individual clients
880reported
HNW clients
93reported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
973reported
Financial planning clients
0reported
Wrap fee programs
$0 sponsored, $0 managedreported
Custody of client assets
noreported
Compensation
% of AUMreported
Class basis
private_client_share=1.0 fund_share=0.0 institutional_share=0.0 related_bd=true related_bank=false bd_reps=43.0derived
Advisors registered through the firm
41 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
David Alan BenderBeverly Hills, CaOct 31, 201742 y4
Mark Peter MalekJersey City, Nj Nov 1, 201733 y5
Peter James SosnowskiNew York, NyNov 21, 201739 y2
Mario Guiseppe DidomenicoJersey City, Nj Nov 21, 201732 y5
Bradley W PoockBeverly Hills, Ca Mar 15, 201832 y4
Angelo GuerrieroJersey City, Nj Mar 19, 201828 y1
Sarah Lin BraddockNew York, Ny Apr 2, 201810 y2
Kamyar KashfiBeverly Hills, Ca Apr 2, 201829 y2
Rita Diana SchwartzNew York, Ny Apr 2, 201838 y1
Bruce Arthur GalbraithNew York, Ny Apr 2, 201840 y2
Gary Jason GonzalezNew York, Ny Apr 3, 201825 y1
Gustav Maris LangfordNew York, Ny Apr 5, 201828 y1
Michael Dennis TravisNew York, Ny Apr 26, 201833 y2
Michael VanniNew York, Ny Jul 2, 201830 y2
Andrew Gordon McdonaldBeverly Hills, Ca Jul 3, 201838 y1
Rodney John CarrasquilloBoca Raton, Fl Aug 7, 201825 y2
James Wesley LatimerKaty, Tx May 24, 201930 y2
Dean Christopher BantisJersey City, Nj Sep 3, 201910 y0
Peter Edward CunninghamNew York, Ny Nov 1, 201932 y2
Michael Jonathan ColombinoMiami, Fl Aug 20, 202022 y1
Lucky RadleyNew York, Ny Sep 16, 202010 y1
Barbara Dunne VillellaNew York, NyMar 12, 202134 y2
Marvin Dimas RivasNew York, NySep 13, 202113 y1
Alec Joseph StevensonBeverly Hills, Ca Oct 15, 202110 y0
Colin McdonaldNew York, Ny Apr 1, 202211 y0
Jacqueline Barbara YappCertified Financial PlannerBeverly Hills, CaJul 22, 202214 y2
Albert Francis DipippoPlaya Del Rey, Ca Mar 10, 202345 y2
Natasha S HoweNew York, Ny Nov 15, 202317 y0
Ronald James RobertsMiami, Fl Aug 9, 202436 y1
Monte TraficanteBeverly Hills, Ca Jan 1, 202533 y1
Colette ErasmusNew York, Ny Apr 8, 202516 y0
Kevin Steve OcanaNew York, NyApr 8, 202511 y3
Kyle Edwin GonzalezNew York, Ny May 21, 202516 y0
Zachary Urban BanksNew York, NyMay 21, 202514 y1
Bo John CalvertBeverly Hills, Ca Oct 9, 202512 y0
Antonio SpecialeNew York, Ny Oct 20, 202512 y0
Bruce Arthur GalbraithNew York, Ny Mar 3, 202610 y3
John Donald MoranNew York, NyMar 3, 202612 y1
Brett Andrew SonzogniNew York, NyApr 2, 202613 y3
Donato Joseph CuttoneNew York, NyApr 21, 202610 y0
All 41 advisors at Siebert Advisornxt, LLC.
Advisor movement
2 left, 3 joined in 12 months
net +1 in 12 months1 left in 90 days0 joined in 90 daysdeparture rate 4.9% of current headcount6 left over 36 months
Left, latest
Joined, latest
Every departureEvery arrival
Teams: two or more advisors moving together within fourteen days, from one state
    Teams outTeams in
    Private funds
    No private fund reported.
    Owners and control persons
    Schedule A and B, latest filing
    • James Peter Sosnowski · Ceo/Chief Operating Officercontrol
      since 10/2022 · owns less than 5%
    • Peter Mark Malek · Chief Investment Officer
      since 05/2017 · owns less than 5%
    • Henry Andrew Reich · Chief Financial Officer
      since 03/2018 · owns less than 5%
    • Dunne Barbara Villella · Cco & Amlco
      since 01/2022 · owns less than 5%
    Entity owners
    • Siebert Financial Corporation · Public Holding Company
      direct · owns 75% or more · public reporting company
    Related persons
    Schedule D 7.A
    Office movement
    IAPD branch city; joins and departures in 12 months
    OfficeAdvisorsJoinedLeftTeams outForming
    New York, Ny · principal3971
    Beverly Hills, Ca1310
    Miami, Fl400
    Jersey City, Nj401
    Horsham, Pa200
    Seal Beach, Ca210
    Offices
    Schedule D 1.F, the 25 largest
    • Beverly Hills, CA8 employees
    • New York, NY5 employees
    • Tampa, FL4 employees
    • Horsham, PA1 employees
    • Miami, FL1 employees
    • Calabasas, CA1 employees
    • Boca Raton, FL1 employees
    • Beverly Hills, CA1 employees
    ADV anomalies
    2 against comparable advisers; where to look, not conclusions
    • low discretionary shareStatic outlier · filing Mar 25, 2026
      discretionary share of RAUM of 0% against a peer median of 100% (5676 comparable advisers, 0.0th percentile, 33.7 robust deviations)
      peers: independent wealth managers, $100M to $500M (5,676) · 0.0% percentile
    • RAUM up 25 %Change between filings · filing Mar 25, 2026
      RAUM (Item 5.F) moved from $287,623,668 to $391,509,579 (+36.0%) between the annual amendments of 2025-03-31 and 2026-03-25; the peer median change was +15.0% (4551 comparable advisers, 91.0th percentile of changes)
      peers: independent wealth managers, $100M to $500M (4,551) · 91% percentile
    How anomalies are measured
    What changed
    consecutive filings, newest first
    • Accounts · 786 to 973
      Feb 5, 2026 to Mar 25, 2026
    • Advisory employees · 24 to 32
      Feb 5, 2026 to Mar 25, 2026
    • BD registered reps · 31 to 43
      Feb 5, 2026 to Mar 25, 2026
    • HNW clients · 67 to 93
      Feb 5, 2026 to Mar 25, 2026
    • Individual clients · 719 to 880
      Feb 5, 2026 to Mar 25, 2026
    • Employees · 31 to 43
      Feb 5, 2026 to Mar 25, 2026
    • Financial planning clients · to 0
      Feb 5, 2026 to Mar 25, 2026
    • State-registered IARs · 31 to 43
      Feb 5, 2026 to Mar 25, 2026
    • HNW RAUM · $116M to $183M
      Feb 5, 2026 to Mar 25, 2026
    • Individual RAUM · $171M to $209M
      Feb 5, 2026 to Mar 25, 2026
    • Non-discretionary RAUM · $288M to $392M
      Feb 5, 2026 to Mar 25, 2026
    • RAUM · $288M to $392M
      Feb 5, 2026 to Mar 25, 2026
    • Financial planning clients · unset to
      Feb 28, 2025 to Mar 31, 2025
    • Individual clients · 505 to 719
      Jan 3, 2025 to Feb 28, 2025
    • Accounts · 544 to 786
      Jan 3, 2025 to Feb 28, 2025
    • HNW clients · 37 to 67
      Jan 3, 2025 to Feb 28, 2025
    • Discretionary RAUM · $213M to $0
      Jan 3, 2025 to Feb 28, 2025
    • HNW RAUM · $91.0M to $116M
      Jan 3, 2025 to Feb 28, 2025
    • Individual RAUM · $122M to $171M
      Jan 3, 2025 to Feb 28, 2025
    • Non-discretionary RAUM · $0 to $288M
      Jan 3, 2025 to Feb 28, 2025
    • RAUM · $213M to $288M
      Jan 3, 2025 to Feb 28, 2025
    • Business name · SIEBERT ADVISORNXT, INC. to SIEBERT ADVISORNXT, LLC.
      Feb 1, 2024 to Apr 4, 2024
    • HQ city · JERSEY CITY to NEW YORK
      Feb 1, 2024 to Apr 4, 2024
    • HQ state · NJ to NY
      Feb 1, 2024 to Apr 4, 2024
    • Legal name · SIEBERT ADVISORNXT, INC. to SIEBERT ADVISORNXT, LLC.
      Feb 1, 2024 to Apr 4, 2024
    • Other offices · 6 to 8
      Feb 1, 2024 to Apr 4, 2024
    • Succession · true to false
      Feb 1, 2024 to Apr 4, 2024
    • Accounts · 434 to 544
      Oct 31, 2023 to Feb 1, 2024
    • Advisory employees · 29 to 24
      Oct 31, 2023 to Feb 1, 2024
    • BD registered reps · 38 to 31
      Oct 31, 2023 to Feb 1, 2024
    • HNW clients · 28 to 37
      Oct 31, 2023 to Feb 1, 2024
    • Individual clients · 406 to 505
      Oct 31, 2023 to Feb 1, 2024
    • Employees · 38 to 31
      Oct 31, 2023 to Feb 1, 2024
    • State-registered IARs · 38 to 31
      Oct 31, 2023 to Feb 1, 2024
    • Organization form · Corporation to Limited Liability Company
      Oct 31, 2023 to Feb 1, 2024
    • Discretionary RAUM · $164M to $213M
      Oct 31, 2023 to Feb 1, 2024
    • HNW RAUM · $87.0M to $91.0M
      Oct 31, 2023 to Feb 1, 2024
    • Individual RAUM · $76.6M to $122M
      Oct 31, 2023 to Feb 1, 2024
    • RAUM · $164M to $213M
      Oct 31, 2023 to Feb 1, 2024
    • Succession · false to true
      Oct 31, 2023 to Feb 1, 2024
    Signals
    25 dated events
    • Bo John Calvert added a MI registration at Siebert Advisornxt, Llc.
      Sep 16, 2026 · New state registration · fact
    • Bo John Calvert added a PA registration at Siebert Advisornxt, Llc.
      Aug 21, 2026 · New state registration · fact
    • Justin Andrew Carter left Siebert Advisornxt, Llc. for Equitable Advisors, Llc (registered 2026-09-11)
      Jun 24, 2026 · Advisor changed firm · fact
    • John Mcguinness left Siebert Advisornxt, Llc. for Cetera Investment Advisers Llc (registered 2026-03-30)
      Mar 30, 2026 · Advisor changed firm · fact
    • Siebert Advisornxt, Llc. reported 43 state-registered advisory representatives, up from 31 (2026-02-05 to 2026-03-25)
      Mar 25, 2026 · Advisor headcount change · derived
    • Siebert Advisornxt, Llc. reported RAUM $391.5M, up 36% from $287.6M (2026-02-05 to 2026-03-25)
      Mar 25, 2026 · RAUM change · derived
    • Keith Morris left Siebert Advisornxt, Llc. for Raymond James & Associates, Inc. (registered 2026-07-31)
      Mar 4, 2025 · Advisor changed firm · fact
    • Maxwell Galbraith left Siebert Advisornxt, Llc. for J.P. Morgan Securities Llc (registered 2025-02-03)
      Jan 29, 2025 · Advisor changed firm · fact
    • Bruce Arthur Galbraith left Siebert Advisornxt, Llc. for J.P. Morgan Securities Llc (registered 2024-09-25)
      Sep 16, 2024 · Advisor changed firm · fact
    • Valerie L Miller left Siebert Advisornxt, Llc. for Charles Schwab & Co., Inc. (registered 2024-09-19)
      Jul 11, 2024 · Advisor changed firm · fact
    • Siebert Advisornxt, Inc. reported succeeding to the business of Another Adviser (Form ADV Item 4)
      Feb 1, 2024 · Succession (Item 4) · fact
    • Jeffrey David Kercorian left Siebert Advisornxt, Llc. for Cg Advisory Services (registered 2023-08-21)
      Aug 17, 2023 · Advisor changed firm · fact
    • Siebert Advisornxt, Llc. reported 38 state-registered advisory representatives, up from 27 (2023-01-18 to 2023-03-09)
      Mar 9, 2023 · Advisor headcount change · derived
    • James Peter Sosnowski (Acting Chief Operating Officer) appeared on Schedule A of Siebert Advisornxt, Llc.
      Jan 10, 2023 · Control person joined · fact
    • Andrew Timothy O'Leary (Chief Operating Officer & Director) no longer on Schedule A of Siebert Advisornxt, Llc. (listed 2022-03-10, absent 2023-01-10)
      Jan 10, 2023 · Control person left · inference
    • Brian Mcrae left Siebert Advisornxt, Llc. for Cambridge Investment Research Advisors, Inc. (registered 2023-01-03)
      Jan 3, 2023 · Advisor changed firm · fact
    • Andrew Joseph Porath left Siebert Advisornxt, Llc. for Morgan Stanley (registered 2022-08-29)
      Jul 22, 2022 · Advisor changed firm · fact
    • Patrick Daniel Logue (Counsel, Cco, Amlco) no longer on Schedule A of Siebert Advisornxt, Llc. (listed 2021-09-29, absent 2022-01-25)
      Jan 25, 2022 · Control person left · inference
    • Patrick Daniel Logue (Counsel, Cco, Amlco) appeared on Schedule A of Siebert Advisornxt, Llc.
      Mar 30, 2021 · Control person joined · fact
    • Ross Ronald Bono (Chief Compliance Officer) no longer on Schedule A of Siebert Advisornxt, Llc. (listed 2020-12-09, absent 2021-03-30)
      Mar 30, 2021 · Control person left · inference
    • Siebert Advisornxt, Llc. reported 7 offices beyond its principal office, up from 2 (2019-03-04 to 2019-03-11)
      Mar 11, 2019 · Office count change · derived
    • Siebert Advisornxt, Llc. reported 29 state-registered advisory representatives, up from 6 (2018-10-29 to 2018-12-20)
      Dec 20, 2018 · Advisor headcount change · derived
    • Siebert Advisornxt, Llc. reported RAUM $48.1M, down 77% from $209.2M (2018-10-29 to 2018-12-20)
      Dec 20, 2018 · RAUM change · derived
    • Siebert Advisornxt, Llc. reported RAUM $209.2M, up 170% from $77.4M (2018-01-30 to 2018-03-15)
      Mar 15, 2018 · RAUM change · derived
    • Siebert Advisornxt, Inc. filed its initial SEC registration (Form ADV)
      May 26, 2017 · First SEC registration · fact
    Across DFX
    shared identifiers only, never a name match
    No identifier-backed link to the venture, private equity, family office or sponsor graphs.
    How to reach
    public business contact points only, each with its source
    Business phone
    212-644-2400reportedpublished by the firm, firm site, Sep 17, 2026
    Business phone
    800-872-0444reportedpublished by the firm, firm site, Sep 17, 2026
    Business phone
    800-993-2015reportedpublished by the firm, firm site, Sep 17, 2026
    Website
    SiebertNXT.COMreportedpublic record, Form ADV, Sep 17, 2026
    Principal office phone
    800-872-0444reportedpublic record, Form ADV, Mar 25, 2026
    Contact form
    siebert.com/contact/contact-usreportedpublished 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
    $9.5Mderivedfirm RAUM over the IAPD count; not a book size
    Loaded
    Sep 14, 2026