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SEI Investments vs Oppenheimer Holdings: SEIC and OPY compared
SEI Investments is the larger company: $662M of revenue in its latest quarter (Q3 2026) against $382M for Oppenheimer Holdings (Q3 2026). SEI Investments is growing faster (+14% against -10% a year earlier). SEI Investments is more profitable, with an operating margin of 29.9% against 2.3%.
Where the money goes: SEIC and OPY
SEI Investments (SEIC) · Q3 2026
SEI Investments, Q3 2026: revenue $662M (+14% year over year), operating margin 29.9%, net earnings $168M, operating cash flow $218M. The chart follows the revenue to costs, profit and cash.
Oppenheimer Holdings (OPY) · Q3 2026
Oppenheimer Holdings, Q3 2026: revenue $382M (-10% year over year), operating margin 2.3%, net earnings $5.4M, operating cash flow $132M. The chart follows the revenue to costs, profit and cash.
| SEI Investments (SEIC) | Oppenheimer Holdings (OPY) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $662M | $382M |
| Revenue growth, Y/Y | +14% | -10% |
| Gross margin | 35.1% | — |
| Operating margin | 29.9% | 2.3% |
| Net earnings | $168M | $5.4M |
| Net margin | 25.4% | 1.4% |
| Operating cash flow | $218M | $132M |
| Free cash flow | $208M | $129M |
| Market value | $12.8B | $1.1B |
| P/E | 18.3× | 12.2× |
| Analysts’ mean target | $121.25 | — |
Where the revenue comes from
SEI Investments
- Asset management, administration and distribution fees: $533M (81%)
- Investment processing fees - PaaS: $90.4M (14%)
- Investment processing fees - SaaS: $26.0M (4%)
- Professional services fees: $12.3M (2%)
Oppenheimer Holdings
- Advisory Fees: $155M (41%)
- Commissions from sales and trading: $107M (28%)
- Other revenues: $45.6M (12%)
- Bank Deposit Sweep Income: $25.6M (7%)
Questions
Which is bigger, SEI Investments or Oppenheimer Holdings?
SEI Investments is the larger company: $662M of revenue in its latest quarter (Q3 2026) against $382M for Oppenheimer Holdings (Q3 2026).
Is SEI Investments or Oppenheimer Holdings growing faster?
SEI Investments is growing faster (+14% against -10% a year earlier).
Which is more profitable, SEI Investments or Oppenheimer Holdings?
SEI Investments is more profitable, with an operating margin of 29.9% against 2.3%.
More: SEI Investments earnings · how SEI Investments makes money · Oppenheimer Holdings earnings · how Oppenheimer Holdings makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 26, 2026; 10-Q filed Oct 30, 2026). Fiscal quarters can end on different dates. Not investment advice.