SuperworthSEI Investments market cap SEIC
Share price times shares outstanding: what the whole company sells for, since 2010.
- Today, Oct 23, 2026
- $12.3B
- Highest close in our data
- $13.4B
- Aug 2026
SEI Investments is worth $12.3B at the close on Oct 23, 2026, at $102.30 a share.
That is up 21% over the last year and up 40% over five years.
Its highest close in our data was $13.4B in Aug 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $12.3B | $9.3B | $13.4B | +18% |
| 2025 | $10.4B | $8.8B | $11.6B | −3% |
| 2024 | $10.7B | $8.3B | $11.1B | +29% |
| 2023 | $8.4B | $7B | $8.6B | +6% |
| 2022 | $7.9B | $6.5B | $8.8B | −8% |
| 2021 | $8.5B | $7.6B | $9.2B | +2% |
| 2020 | $8.3B | $5.8B | $10.3B | −16% |
| 2019 | $9.9B | $7.2B | $9.9B | +40% |
| 2018 | $7.1B | $6.8B | $12.2B | −37% |
| 2017 | $11.3B | $7.8B | $11.3B | +43% |
| 2016 | $7.9B | $5.9B | $8.3B | −8% |
| 2015 | $8.6B | $6.6B | $9.1B | +27% |
| 2014 | $6.8B | $5.2B | $6.8B | +14% |
| 2013 | $5.9B | $4.2B | $5.9B | +49% |
| 2012 | $4B | $3B | $4B | +29% |
| 2011 | $3.1B | $2.7B | $4.6B | −30% |
| 2010 | $4.4B | $3.4B | $4.5B | n/a |
Against its peers
Companies in Financial - Capital Markets nearest SEI Investments' size, closest first, today.
| Company | Market cap |
|---|---|
| SEICSEI Investments | $12.3B |
| FRHCFreedom | $10.9B |
| SFStifel Financial | $10.1B |
| VIRTVirtu Financial | $8.7B |
| CRCLCircle Internet | $21.8B |
| LPLALPL Financial | $24.9B |
| MKTXMarketaxess | $5.8B |
| TWTradeweb Markets | $28.7B |
| PIPRPiper Sandler Companies | $4.6B |
| MIAXMiami International | $3.4B |
| WTWisdomTree | $3.2B |
| Peer median | $9.4B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on SEI Investments
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.