Sei Investments Company (SEIC) closed at $108.43 on October 21, 2026, up 1.2% from the previous close, on volume of 623,443 shares (30-day average 815,599).
Data as of October 21, 2026.
TipRanks (Thu, 22-Oct 9:50 AM ET)
PRNewswire (Thu, 22-Oct 9:00 AM ET)
Wells Fargo Remains a Buy on SEI Investments Company (SEIC)
TipRanks (Thu, 22-Oct 7:37 AM ET)
At a glance: stocks gapping up premarket
Seeking Alpha News (Thu, 22-Oct 7:29 AM ET)
SEI Investments Company (SEIC) Receives a Buy from KBW
TipRanks (Thu, 22-Oct 5:37 AM ET)
SEI Investments Expands Buyback After Strong Quarterly Results
TipRanks (Wed, 21-Oct 5:53 PM ET)
SEI Investments Non-GAAP EPS of $1.64 beats by $0.06, revenue of $662.04M beats by $5.79M
Seeking Alpha News (Wed, 21-Oct 4:05 PM ET)
SEI Reports Third-Quarter 2026 Financial Results
PRNewswire (Wed, 21-Oct 4:01 PM ET)
Here are the major earnings after the close Wednesday
Seeking Alpha News (Wed, 21-Oct 10:00 AM ET)
SEI Investments Q3 2026 Earnings Preview
Seeking Alpha News (Tue, 20-Oct 5:35 PM ET)
SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers. SEI also has a minority interest in LSV Asset Management, a value equity asset manager with about $99 billion in assets under management. As of December 2025, SEI (including LSV) manages, administers, or advises about $1.9 trillion in assets.
Sei Investments Company trades on the NASDAQ stock market under the symbol SEIC.
As of October 22, 2026, SEIC stock price declined to $105.90 with 380,950 million shares trading.
SEIC has a beta of 0.60, meaning it tends to be less sensitive to market movements. SEIC has a correlation of 0.12 to the broad based SPY ETF.
SEIC has a market cap of $12.71 billion. This is considered a Large Cap stock.
Last quarter Sei Investments Company reported $662 million in Revenue and $1.64 earnings per share. This beat revenue expectation by $5 million and exceeded earnings estimates by $.06.
In the last 3 years, SEIC traded as high as $112.15 and as low as $52.20.
The top ETF exchange traded funds that SEIC belongs to (by Net Assets): IJH, VTI, VB, VBR, VXF.
SEIC has outperformed the market in the last year with a price return of +29.7% while the SPY ETF gained +14.7%. SEIC has also outperformed the stock market ETF in the last 3 month and 2 week periods returning +8.4% and +3.8%, respectively, while the SPY returned +2.2% and -1.9%, respectively.
SEIC support price is $106.87 and resistance is $109.99 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that SEIC shares will trade within this expected range on the day.