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E. MAGNUS OPPENHEIM & CO. INC.
CRD 14268File 801-14051
APPROVED
Retail clients
Custody
Disclosure events
Filing as of Mar 31, 2026
Feed vintage Oct 2, 2026
Regulatory AUM
$9.5M
Bottom 25% of cohort (national)
Discretionary AUM
$9.5M
Clients
11
7 accounts
Employees
1
Bottom 25% of cohort in NY
Identity & registration
ADV Item 1- Organization form
- Corporation
- Firm type
- Registered
- SEC region
- NYRO
- Registration date
- Aug 30, 1978
- Principal office
- 575 LEXINGTON AVENUE / 17TH FLOOR, NEW YORK, NY, 10022
- Phone
- 212-983-1818
- Website
- HTTP://WWW.EMAGNUS.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $9.5M
- Discretionary AUM
- $9.5M
- Non-discretionary AUM
- $0
- Discretionary accounts
- 7
- Non-discretionary accounts
- 0
- Total accounts
- 7
- AUM per client
- $865K
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| High net worth individuals | 4 | $9.1M |
| Individuals (other than high net worth individuals) | 7 | $455K |
Compensation & activities
ADV Items 5E, 5GCompensation
- A percentage of assets under your management
Advisory activities
- Other advisory activities
- Financial planning services
- Portfolio management for other
- Portfolio management for businesses
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- No
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11- Q11
- Q11C2
- Q11C4
- Q11C5
Filed changes
| Date | Field | From | To | Change |
|---|---|---|---|---|
| Aug 17, 2026 | Custody | No | Yes | |
| Apr 1, 2026 | Employees | 2 | 1 | decreased by1 |
| Apr 1, 2026 | Clients | 89 | 11 | decreased by78 |
| Apr 1, 2026 | AUM | $70,376,580 | $9,510,538 | decreased by$60,866,042 |
| Apr 1, 2026 | Accounts | 89 | 7 | decreased by82 |
| May 1, 2025 vs Oct 1, 2022 | Custody | Yes | No | |
| May 1, 2025 vs Oct 1, 2022 | Clients | 80 | 89 | increased by9 |
| May 1, 2025 vs Oct 1, 2022 | AUM | $84,960,669 | $70,376,580 | decreased by$14,584,089 |
| May 1, 2025 vs Oct 1, 2022 | Accounts | 100 | 89 | decreased by11 |
| Apr 1, 2022 | Clients | 96 | 80 | decreased by16 |
| Apr 1, 2022 | AUM | $79,245,119 | $84,960,669 | increased by$5,715,550 |
| Apr 1, 2022 | Accounts | 96 | 100 | increased by4 |
| Oct 1, 2021 | Custody | No | Yes | |
| Oct 1, 2021 | Clients | 31 | 96 | increased by65 |
| Oct 1, 2021 | AUM | $39,800,000 | $79,245,119 | increased by$39,445,119 |
On Form 5500, an adviser usually appears as a plan service provider (Schedule C), not the plan sponsor.
See plans that list “MAGNUS OPPENHEIM” as a service provider on 5500mcp →Matched by name only — Form ADV and Form 5500 share no identifier, and names are searched loosely (“MAGNUS OPPENHEIM” may also match similarly-named firms). Confirm identity against each filing.
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.