Investment adviser · CRD 249

OPPENHEIMER & CO. INC.

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Sep 30, 2026

Regulatory AUM
$36.7B
Form ADV · Item 5.F
Client accounts
39,036
Accounts, not individual clients
Employees
2,806
Reported in this filing
Advisory professionals
1,219
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Individuals35,818$16,849,946,90845.9%
Other clients1,214$11,103,855,48730.2%
High-net-worth individuals1,229$5,732,597,74315.6%
Corporations & businesses304$2,001,921,6625.5%
Retirement plans267$459,588,8091.3%
Charities191$420,885,6641.1%
Insurance companies12$141,814,5860.4%
Government entitiesFewer than 5$94,8890.0%
Filing source

Form ADV 2135226 · Sep 30, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

1 Private fund

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

OPPENHEIMER ACTIVIST PARTNERS LPHedge Fund · Last reported Jan 5, 2026$15.8MGross asset value

Form D fundraising filings

Oppenheimer Activist Partners LP

Fund administrator SS & C NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor BDO USA LLP NEW YORK, New York, United States
Custodian OPPENHEIMER & CO. INC. NEW YORK, New York, United States Related to adviser: Yes
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

BDO USA LLP
PCAOB 243

OPPENHEIMER & CO. INC.
SEC 8-4077

Fund details & source
Fund ID
805-3032769961
Reported beneficial owners
22
Minimum commitment
$100K
Form D file number
021-87240

Form ADV 2035205 · Jan 5, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Sep 30, 2026. View historical filings

Reported services

Financial planning · Individual portfolio management · Business portfolio management · Pension consulting · Selection of other advisers

Compensation

Percentage of assets · Fixed · Commissions

Principal office

85 BROAD STREET, 22ND FLOOR
NEW YORK, NY, 10004, United States

CRD 249

Filing source

Form ADV 2135226 · Sep 30, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.