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For asset managers

SEC-registered wealth management firm Broker-dealer affiliated

Oppenheimer & Co. Inc.

As of its Form ADV filed September 30, 2026, Oppenheimer & Co. Inc., an SEC-registered, broker-dealer affiliated wealth management firm in New York, New York, reported $36.7 billion in regulatory assets under management across 39,036 accounts, ranking #13 among all wealth firms in New York by assets.

Registration

Main office
New York, NY
Registration
SEC-registered, Approved
CRD number
249
SEC file number
801-887
Registered since
February 9, 1955
Latest Form ADV filing
September 30, 2026
Organized as
Corporation
Fiscal year ends
December
Other offices
109

Key figures

Regulatory assets under management
$36.7 billion
Discretionary
$14.2 billion (38.8%)
Non-discretionary
$22.5 billion
Accounts
39,036 (20,471 discretionary)
Clients
39,036, approximate as reported
Employees
2,806
Advisory staff
1,219 performing investment advisory functions
Average account
$940,432
Asset growth, 1 year
13.2% (from $32.4 billion a year earlier)
Asset growth, 3-year annual rate
17.5% (from $22.7 billion three years earlier)
Asset growth, 5-year annual rate
10.1% (from $22.7 billion five years earlier)
Client growth, 1 year
3.8% (from 37,605)

Broker-dealer affiliated. The firm is itself a broker-dealer as well as an investment adviser (Form ADV Item 6.A(1)). It is ranked among all wealth firms, the directory's view that includes wirehouses and broker-dealer firms, not in the main lists of independent RIAs. How firms are classed.

Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.

Rankings

Among all wealth firms, including wirehouses and broker-dealer firms.

Assets over time

Oppenheimer & Co. Inc.: regulatory assets under managementThe SEC's yearly snapshots and the latest filing. Years of state registration are not in the SEC files.RAUM the firm reported in each snapshot, October 1, 2010 to October 2, 2026.
$0$10B$20B$30B$40B201020132016202020232026$36.7BOctober 1, 2010: $4.9 billionOctober 3, 2011: $5.6 billionOctober 1, 2012: $6.0 billionOctober 1, 2013: $11.5 billionOctober 1, 2014: $8.7 billionOctober 1, 2015: $9.4 billionOctober 3, 2016: $9.1 billionOctober 2, 2017: $9.6 billionOctober 1, 2018: $11.2 billionOctober 1, 2019: $10.6 billionOctober 1, 2020: $18.9 billionOctober 4, 2021: $22.7 billionOctober 3, 2022: $27.0 billionOctober 5, 2023: $22.7 billionOctober 1, 2024: $27.5 billionSeptember 2, 2025: $32.4 billionOctober 2, 2026: $36.7 billion
Data table
Oppenheimer & Co. Inc.: regulatory assets under management
As ofRAUM
October 1, 2010$4.9 billion
October 3, 2011$5.6 billion
October 1, 2012$6.0 billion
October 1, 2013$11.5 billion
October 1, 2014$8.7 billion
October 1, 2015$9.4 billion
October 3, 2016$9.1 billion
October 2, 2017$9.6 billion
October 1, 2018$11.2 billion
October 1, 2019$10.6 billion
October 1, 2020$18.9 billion
October 4, 2021$22.7 billion
October 3, 2022$27.0 billion
October 5, 2023$22.7 billion
October 1, 2024$27.5 billion
September 2, 2025$32.4 billion
October 2, 2026$36.7 billion

Clients and services

Client mix

Regulatory assets by client typeForm ADV Item 5.D, as reported. Client counts are approximate.
MeasureBarRAUM
Individuals (other than high net worth) 35,818 clients $16.8 billion
Other 1,214 clients $11.1 billion
High net worth individuals 1,229 clients $5.7 billion
Corporations or other businesses 304 clients $2.0 billion
Pension and profit sharing plans 267 clients $459.6 million
Charitable organizations 191 clients $420.9 million
Insurance companies 12 clients $141.8 million
State or municipal government entities fewer than 5 clients $94,889

How the firm is paid

  • A percentage of assets under management
  • Fixed fees
  • Commissions

Advisory services

  • Financial planning
  • Portfolio management for individuals or small businesses
  • Portfolio management for businesses or institutional clients
  • Pension consulting
  • Selection of other advisers

Financial planning clients (Item 5.H): 5500.

Wrap fee program sponsor or portfolio manager: yes.

Other business, affiliations and custody

Other business activities (Item 6.A)

  • Broker-dealer
  • Insurance broker or agent

Financial industry affiliations (Item 7.A)

  • Broker-dealer
  • Other investment adviser
  • Commodity pool operator or commodity trading advisor
  • Trust company
  • Insurance company or agency
  • Pension consultant
  • Sponsor, general partner or managing member of pooled investment vehicles

Custody (Item 9)

The firm reported custody of client cash or securities, $26.3 billion in total.

Investment adviser representatives

IARs registered with the firm
1,165
Also registered through a broker-dealer
1,159
Employees who are IARs (Form ADV 5.B(3))
1,135

Designations held by the firm's IARs: CFP 88, CFA 54, ChFC 4.

Between 261 and 802 of the firm's 1,165 IARs are registered in jurisdictions that require IAR CE. The source counts registrations by jurisdiction, and many IARs are registered in more than one, so the exact number is not knowable from it. IAR CE requirements by state.

Counts only. AdvisorIQ does not list individual people.

Disclosures

On Form ADV Item 11 the firm answered yes to 17 disclosure questions. See the detail on IAPD.

Succession and acquired firms

On Form ADV Item 4 the firm did not report succeeding to another adviser's business.

Succession and M&A for advisors

Similar-sized firms in New York

The five wealth firms, broker-dealer affiliated firms included, nearest in regulatory assets with a main office in the same state.

Firm data as of October 2, 2026, from ia100226.zip. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.

Data as of October 2, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.