SEIC
SEI Investments Co
stockNASDAQ
Market OpenOct 26, 2026 10:12:23 AM EDT
103.32USD+0.997%(+1.02)33,397
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12.30B
Financial
Asset Management
CEO
Alfred West
HQ
Oaks, PA, USA
3,650
Previous Close
$102.35
Beta
0.54
52-Week High
$112.15 2026-08-28
52-Week Low
$75.08 2026-04-07
SMA 50
$106.32
SMA 200
$92.49
Avg. Vol 10D
896,933
Avg. Vol 30D
899,001
Avg. Vol 90D
772,664
Relative Vol
0.04
118.94M
98.46M
82.78%
3,091,808
3.11%
3.00
62%/38%
36.97%
32.22%
0.4100%
1,100,000
18,897
9,450
18,897
Jun 8, 2026 · $0.520
Jun 22, 2007 · 2-for-1
2.5B
706.9M
686.8M
29.22
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
SEI Investments Company (SEIC) Q3 2026 Earnings Call Transcript · Seeking Alpha
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 | 104.79 | 2026-10-19 | -1.28% | 3.345 |
| 1M | 105.65 | 2026-09-25 | -2.08% | 1.238 |
| 3M | 101.52 | 2026-07-27 | +1.90% | 0.664 |
| 6M | 91.06 | 2026-04-27 | +13.61% | 0.335 |
| 1Y | 83.07 | 2025-10-27 | +24.53% | 0.539 |
| 2Y | 75.10 | 2024-10-25 | +37.75% | — |
| 5Y | 63.89 | 2021-10-26 | +61.92% | 0.884 |
SEIC Stock Summary
SEI Investments Co (NASDAQ:SEIC) stock price today is $103.45, and today's volume is 32,420. SEIC is up 1.129% today. The 30 day average volume is 899,001. SEIC market cap is $12.30B with 118.94M shares outstanding.