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

Oppenheimer Asset Management

Broker-dealer affiliated wealth managerNew York, New YorkCRD 105559SEC 801-31427websiteIAPD
Legal name Oppenheimer Asset Management Inc.
Latest filing Sep 1, 2026
First filing on the tape Mar 27, 2012 · 69 filings
SEC status approved since Mar 17, 1988
RAUM
$21B
reported, Item 5.F
Discretionary
77%
of RAUM
Private clients
82%
$17B individuals and HNW
Advisors
5
registered through the firm on IAPD
RAUM per advisor
$4.3B
derived; firm RAUM over IAPD count
Employees
129
129 advisory (5.B.1)
Offices
2
beyond the principal office
Private funds
0
reported on Schedule D
History
69 filings and snapshots on the tape
RAUM$21B as of Jul 1, 2026
Mar 27, 2012$9.1B then
HNW client RAUM$4.4B as of Jul 1, 2026
Mar 23, 2018$2.8B then
State-registered IARs (5.B.3)35 as of Jul 1, 2026
Mar 20, 20137 then
Employees (5.A)129 as of Jul 1, 2026
Mar 20, 2013115 then
Private funds3 as of Jul 1, 2026
Mar 19, 20263 then
RAUM +6.8% over the last fiscal year+9.5% a year over threeIARs 35 to 35
Practice profile
derived from the filing of Sep 1, 2026; every figure names its basis
Archetypes, each a printed rule
  • Broker-dealer affiliated · Item 7.A.1 (broker-dealer affiliate) and at least 50 registered representatives (Item 5.B.2), or the adviser is itself a broker-dealer (6.A.1)
  • Mass-affluent RIA · private-client share at least 50 percent, non-HNW individuals at least 60 percent of private-client RAUM
  • Wrap program sponsor · sponsors a wrap fee program (5.I) with at least $100M of wrap assets
RAUM per advisor
$4.3BderivedRAUM over IAPD advisors; not a book size
Clients per advisor
8,360derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$2.1MderivedHNW RAUM over HNW clients
Average account
$489,861derivedRAUM over accounts (5.F.2.f)
Discretionary
77%derivedof RAUM
Institutional
5.5%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
25.8derivedItem 5.A over advisors
Advisors per office
1.7derived3 offices incl. principal (1.F.5)
RAUM growth, one year
+6.8%derivedbetween the last two annual amendments
Advisor growth, one year
+0.0%derivedItem 5.B.3 between annual amendments
Client growth, one year
-1.5%derived
Compensation
percentage of assets, fixed feesreportedItem 5.E
Advisory activities
portfolio management for individuals, portfolio management for businesses and institutions, portfolio management for pooled vehicles, selection of other advisers, publicationsreportedItem 5.G
Wrap fee program
$21BreportedItem 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
  • 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)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • a related person acts as qualified custodian (9.D.2)
  • marketing includes testimonials (5.L.1.c)
  • marketing includes hypothetical performance (5.L.3)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Individuals$13B65%
  • High-net-worth individuals$4.4B21%
  • Corporations and businesses$1.6B7.9%
  • Charitable organizations$760M3.7%
  • Pension and profit-sharing plans$401M2.0%
  • Pooled investment vehicles$82.6M0.4%
  • State and municipal entities$7.0M0.0%
Individual clients
39,766reported
HNW clients
2,034reported
Pension plan clients
470reported
Charitable clients
252reported
Accounts
43,537reported
Financial planning clients
n/areported
Wrap fee programs
$1.2B sponsored, $58.1M managedreported
Custody of client assets
noreported
Compensation
% of AUM, fixedreported
Class basis
private_client_share=0.82 fund_share=0.0 institutional_share=0.05 related_bd=true related_bank=true bd_reps=53.0derived
Advisors registered through the firm
5 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
Peter Michael CadaretNew York, NyAug 18, 200529 y1
Leo John DierckmanCarmel, InJan 11, 200721 y2
Michael Dewayne RichmanChartered Financial AnalystCarmel, InJan 11, 200733 y1
Maurice Gordon StuffmannPayson, Az Feb 1, 201144 y2
Elizabeth Cicolello MessinaNew York, Ny May 28, 201324 y4
Advisor movement
1 left, 0 joined in 12 months
net -1 in 12 months0 left in 90 days0 joined in 90 daysdeparture rate 20% of current headcount1 left over 36 months
Left, latest
Joined, latest
Teams: two or more advisors moving together within fourteen days, from one state
    Private funds
    3 reported on Schedule D 7.B.(1)
    FundTypeGross assetsOwnersFirst reported
    Aa Millennium USA Access Fund LLC$68.1M174Sep 1, 2026
    Aa 26n Private Equity Access Fund LLC$8.7M40Sep 1, 2026
    Aa Oaktree Power7 Access Fund, LLC$5.8M101Sep 1, 2026
    Owners and control persons
    Schedule A and B, latest filing
    • Michael Peter Cadaret · Presidentcontrol
      since 06/2025 · owns less than 5%
    • Deborah Kaback · Chief Legal Officercontrol
      since 06/2003 · owns less than 5%
    • Grinsfelder Albert Lowenthal · Executive Chairman/Directorcontrol
      since 05/2025 · owns less than 5%
    • Steven Robert Lowenthal · Ceo/Directorcontrol
      since 05/2025 · owns less than 5%
    • Edward Bryan Mckigney · Directorcontrol
      since 04/2015 · owns less than 5%
    • Patrick Dennis Mcnamara · Secretary/Directorcontrol
      since 01/2003 · owns less than 5%
    • Thornley Douglas Siegel · Global Compliance Officercontrol
      since 02/2016 · owns less than 5%
    • Thomas Dominic Valentino · Managing Directorcontrol
      since 10/2025 · owns less than 5%
    • Michael Brad Watkins · Senior Vice President-Cfocontrol
      since 08/2022 · owns less than 5%
    • Grinsfelder Albert Lowenthal · Ownercontrol
      since 10/1985 · owns 75% or more of Phase II Financial Ltd
    • Ercole Mark Montuschi · Chief Operations Officer
      since 03/2020 · owns less than 5%
    • Alan Brian Roth · Ia-Cco
      since 03/2021 · owns less than 5%
    Entity owners
    • E.A. Viner International Co. · Direct Parent
      direct · owns 75% or more
    • Oppenheimer Holdings Inc · Ultimate Parent
      indirect · owns 75% or more of Ea Viner International Co · public reporting company
    • Phase II Financial Ltd · Holding Company
      indirect · owns 50% to 75% of Oppenheimer Holdings Inc
    Related persons
    Schedule D 7.A
    Advisers that list Oppenheimer Asset Management as a related person
    Office movement
    IAPD branch city; joins and departures in 12 months
    OfficeAdvisorsJoinedLeftTeams outForming
    Carmel, In200
    New York, Ny · principal210
    Newport Beach, Ca001
    Offices
    Schedule D 1.F, the 25 largest
    • Carmel, IN7 employees
    • Ft. Worth, TX4 employees
    ADV anomalies
    5 against comparable advisers; where to look, not conclusions
    • control person changedChange between filings · filing Sep 1, 2026
      CADARET, PETER, MICHAEL (PRESIDENT) appeared on Schedule A between the filings of 2022-09-02 and 2026-09-01
      peers: affiliated wealth managers, $20B and over (50)
    • control person changedChange between filings · filing Sep 1, 2026
      Valentino, Dominic, Thomas (MANAGING DIRECTOR) appeared on Schedule A between the filings of 2022-09-02 and 2026-09-01
      peers: affiliated wealth managers, $20B and over (50)
    • control person changedChange between filings · filing Sep 1, 2026
      SIEGEL, DOUGLAS, THORNLEY (GLOBAL COMPLIANCE OFFICER) left Schedule A between the filings of 2022-09-02 and 2026-09-01
      peers: affiliated wealth managers, $20B and over (50)
    • control person changedChange between filings · filing Sep 1, 2026
      Kaback, Deborah (CHIEF LEGAL OFFICER) left Schedule A between the filings of 2022-09-02 and 2026-09-01
      peers: affiliated wealth managers, $20B and over (50)
    • control person changedChange between filings · filing Sep 1, 2026
      MCNAMARA, DENNIS, PATRICK (SECRETARY/DIRECTOR) left Schedule A between the filings of 2022-09-02 and 2026-09-01
      peers: affiliated wealth managers, $20B and over (50)
    What changed
    consecutive filings, newest first
    • Financial planning clients · to unset
      Jul 1, 2026 to Sep 1, 2026
    • Private funds · 3 to unset
      Jul 1, 2026 to Sep 1, 2026
    • Succession · false to unset
      Jul 1, 2026 to Sep 1, 2026
    • Accounts · 44,391 to 43,537
      Jan 4, 2026 to Mar 19, 2026
    • Advisory employees · 134 to 129
      Jan 4, 2026 to Mar 19, 2026
    • Advisory activities · 4 to 5
      Jan 4, 2026 to Mar 19, 2026
    • BD registered reps · 55 to 53
      Jan 4, 2026 to Mar 19, 2026
    • Charity clients · 266 to 252
      Jan 4, 2026 to Mar 19, 2026
    • Corporate clients · 834 to 765
      Jan 4, 2026 to Mar 19, 2026
    • HNW clients · 1,821 to 2,034
      Jan 4, 2026 to Mar 19, 2026
    • Individual clients · 40,637 to 39,766
      Jan 4, 2026 to Mar 19, 2026
    • Pension plan clients · 541 to 470
      Jan 4, 2026 to Mar 19, 2026
    • Pooled vehicle clients · 0 to 3
      Jan 4, 2026 to Mar 19, 2026
    • Employees · 134 to 129
      Jan 4, 2026 to Mar 19, 2026
    • Private funds · unset to 3
      Jan 4, 2026 to Mar 19, 2026
    • Discretionary RAUM · $15B to $16B
      Jan 4, 2026 to Mar 19, 2026
    • HNW RAUM · $4.0B to $4.4B
      Jan 4, 2026 to Mar 19, 2026
    • Individual RAUM · $12B to $13B
      Jan 4, 2026 to Mar 19, 2026
    • Non-discretionary RAUM · $5.0B to $5.0B
      Jan 4, 2026 to Mar 19, 2026
    • Pension RAUM · $416M to $401M
      Jan 4, 2026 to Mar 19, 2026
    • Pooled vehicle RAUM · $0 to $82.6M
      Jan 4, 2026 to Mar 19, 2026
    • RAUM · $20B to $21B
      Jan 4, 2026 to Mar 19, 2026
    • Wrap assets (manager) · $57.2M to $58.1M
      Jan 4, 2026 to Mar 19, 2026
    • Wrap assets (sponsor) · $1.2B to $1.2B
      Jan 4, 2026 to Mar 19, 2026
    • Financial planning clients · unset to
      Jun 25, 2025 to Jul 10, 2025
    • Accounts · 43,564 to 44,391
      Mar 19, 2024 to Mar 27, 2025
    • Advisory employees · 127 to 134
      Mar 19, 2024 to Mar 27, 2025
    • BD registered reps · 52 to 55
      Mar 19, 2024 to Mar 27, 2025
    • Charity clients · 270 to 266
      Mar 19, 2024 to Mar 27, 2025
    • Corporate clients · 844 to 834
      Mar 19, 2024 to Mar 27, 2025
    • HNW clients · 1,491 to 1,821
      Mar 19, 2024 to Mar 27, 2025
    • Individual clients · 40,142 to 40,637
      Mar 19, 2024 to Mar 27, 2025
    • Pension plan clients · 528 to 541
      Mar 19, 2024 to Mar 27, 2025
    • Employees · 127 to 134
      Mar 19, 2024 to Mar 27, 2025
    • Discretionary RAUM · $14B to $15B
      Mar 19, 2024 to Mar 27, 2025
    • HNW RAUM · $4.1B to $4.0B
      Mar 19, 2024 to Mar 27, 2025
    • Individual RAUM · $12B to $12B
      Mar 19, 2024 to Mar 27, 2025
    • Non-discretionary RAUM · $4.7B to $5.0B
      Mar 19, 2024 to Mar 27, 2025
    • Pension RAUM · $393M to $416M
      Mar 19, 2024 to Mar 27, 2025
    • RAUM · $19B to $20B
      Mar 19, 2024 to Mar 27, 2025
    Signals
    5 dated events
    • Maurice Gordon Stuffmann left Oppenheimer Asset Management for Oppenheimer & Co. Inc. (registered 2011-02-01)
      Dec 31, 2025 · Advisor changed firm · fact
    • 3 advisors left Oppenheimer & CO. Inc. (Westlake Village, CA) for Oppenheimer Asset Management on the same day
      Jun 20, 2025 · Team lift-out · derived
    • Olga Roberts (Controls 100% Of Elka Estates) no longer on Schedule A of Oppenheimer Asset Management (listed 2023-03-21, absent 2023-04-20)
      Apr 20, 2023 · Control person left · inference
    • Jeffrey Alfano (Cfo) no longer on Schedule A of Oppenheimer Asset Management (listed 2021-12-01, absent 2022-03-09)
      Mar 9, 2022 · Control person left · inference
    • Oppenheimer Asset Management reported 22 state-registered advisory representatives, up from 7 (2019-02-07 to 2019-03-19)
      Mar 19, 2019 · Advisor headcount change · derived
    Across DFX
    shared identifiers only, never a name match
    How to reach
    public business contact points only, each with its source
    Website
    OPPENHEIMER.COMreportedpublic record, Form ADV, Sep 17, 2026
    Principal office phone
    212-668-8000reportedpublic record, Form ADV, Sep 1, 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
    Broker-dealer affiliated wealth managerderiveda rule over Items 5.D and 7.A
    RAUM per advisor
    $4.3Bderivedfirm RAUM over the IAPD count; not a book size
    Loaded
    Sep 14, 2026