SEI Investments (SEIC) Stock Chart & Stock Price History $85.08 -0.54 (-0.63%) As of 11:09 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock SEI Investments Stock Price Performance The SEI Investments (SEIC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 22.45%, with a year-to-date return of 3.15%. In the past month, the stock has decreased 2.40%, reflecting recent market activity. As of the latest close, SEI Investments traded at $85.62 with a market cap of $10.58 billion and volume of 809,009 shares. Five years ago, the stock traded at $53.32, representing a 59.56% increase over that period. At the time, it had a market cap of $7.81 billion and a volume of 694,988 shares. Receive SEIC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SEI Investments and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance+1.20%1 Month Performance-2.40%3 Month Performance-8.61%Year-To-Date Performance+3.15%1 Year Performance+22.45%5 Year Performance+59.56% SEIC Stock Chart for Monday, October, 6, 2025 SEIC Chart by TradingView SEI Investments Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/03/2025$84.86$85.62+0.90%$85.75$84.62809,009 shs$10.58 billion10/02/2025$84.07$84.86+0.94%$85.24$83.47823,321 shs$10.49 billion10/01/2025$84.85$84.07-0.92%$85.18$83.75814,995 shs$10.39 billion09/30/2025$85.42$84.85-0.67%$85.64$84.23525,762 shs$10.49 billion09/29/2025$85.70$85.42-0.33%$86.43$85.28671,464 shs$10.56 billion09/26/2025$85.10$85.70+0.71%$86.01$85.37508,494 shs$10.59 billion09/25/2025$85.97$85.10-1.01%$85.97$84.81781,011 shs$10.52 billion09/24/2025$86.18$85.97-0.24%$87.09$85.721.37 million shs$10.63 billion09/23/2025$87.08$86.18-1.03%$88.01$86.06637,606 shs$10.65 billion09/22/2025$86.72$87.08+0.42%$87.16$85.57900,767 shs$10.76 billion Get the Latest News and Ratings for SEIC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for SEI Investments and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$86.25$86.72+0.54%$87.25$86.272.40 million shs$10.72 billion09/18/2025$86.65$86.25-0.46%$87.70$85.97683,353 shs$10.66 billion09/17/2025$87.21$86.65-0.64%$88.22$85.99821,312 shs$10.71 billion09/16/2025$86.60$87.21+0.70%$87.80$86.76766,393 shs$10.78 billion09/15/2025$86.50$86.60+0.12%$87.08$86.03654,021 shs$10.71 billion09/12/2025$87.77$86.50-1.45%$87.79$86.40399,426 shs$10.69 billion09/11/2025$86.88$87.77+1.02%$87.85$86.50501,893 shs$10.85 billion09/10/2025$86.65$86.88+0.27%$87.74$86.21562,915 shs$10.74 billion09/09/2025$87.43$86.65-0.89%$87.43$86.01608,491 shs$10.71 billion09/08/2025$87.17$87.43+0.30%$87.58$86.76863,704 shs$10.81 billion09/05/2025$89.22$87.17-2.30%$89.52$86.75783,453 shs$10.78 billion Related Companies TROW Stock Chart AMG Stock Chart APAM Stock Chart BLK Stock Chart BN Stock Chart EVR Stock Chart ITT Stock Chart IVZ Stock Chart JHG Stock Chart SF Stock Chart Receive SEIC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SEI Investments and its competitors with MarketBeat's FREE daily newsletter. 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