SEIC
SEI Investments Co
stockNASDAQ
Market OpenNov 9, 2026 12:35:30 PM EST
108.37USD+2.915%(+3.07)114,959
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12.85B
Financial
Asset Management
CEO
Alfred West
HQ
Oaks, PA, USA
3,650
Previous Close
$105.28
Beta
0.59
52-Week High
$112.15 2026-08-28
52-Week Low
$75.08 2026-04-07
SMA 50
$105.54
SMA 200
$93.43
Avg. Vol 10D
719,093
Avg. Vol 30D
760,248
Avg. Vol 90D
769,250
Relative Vol
0.15
118.59M
97.92M
82.57%
3,412,979
3.43%
4.62
63%/37%
64.41%
55.68%
0.4000%
1,200,000
80
9,488
18,897
Jun 8, 2026 · $0.520
Jun 22, 2007 · 2-for-1
2.5B
710.9M
665.5M
29.45
28.94
Oct 28, 2026
SEI: 3 Key Takeaways for Long-Term Investors · 
The Motley Fool+1 source
Oct 22, 2026
At a glance: stocks gapping up premarket · 
Seeking Alpha
Oct 21, 2026
SEI (SEIC) Q3 2026 Earnings Call Transcript · The Motley Fool
SEIC Profile
sei (nasdaq:seic) is a leading global provider of investment processing, investment management, and investment operations solutions that help corporations, financial institutions, financial advisors, and ultra-high-net-worth families create and manage wealth. for more information, visit seic.com.
SEIC Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 105.89 | 2026-11-02 | +2.34% | 0.876 |
| 1M | 104.70 | 2026-10-09 | +3.50% | 0.941 |
| 3M | 104.72 | 2026-08-10 | +3.48% | 0.806 |
| 6M | 91.18 | 2026-05-08 | +18.85% | 0.466 |
| 1Y | 82.99 | 2025-11-10 | +30.58% | 0.595 |
| 2Y | 80.11 | 2024-11-08 | +35.28% | — |
| 5Y | 64.29 | 2021-11-09 | +68.56% | 0.881 |
SEIC Stock Summary
SEI Investments Co (NASDAQ:SEIC) stock price today is $108.37, and today's volume is 113,345. SEIC is up 2.915% today. The 30 day average volume is 760,248. SEIC market cap is $12.85B with 118.59M shares outstanding.