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SEIC · Analysis updated Nov 10, 2026, 6:00 PM ET
Why is SEI Investments Company (SEIC) stock moving?
The main recent driver is the Q3 2026 report (Oct 21): revenue rose 14% and operating income 24%, with operating margin at 30%, and adjusted EPS rose 24% to $1.64. GAAP diluted EPS grew only 6% to $1.38, and Q3 net income attributable to SEI rose just 2%, while nine-month net income fell 1%, so the adjusted and GAAP picture differ. Management said year-to-date sales already exceed SEI's highest full-year total, and the board added $800M to the buyback authorization (about $926M available). The stock fell from $104.50 to $102.30 in the two days after the report, then recovered. It has since risen to a $110.37 close on Nov 10, near the top of the 30-day range, with the Nov 10 intraday high at $110.90. The Nov 5 session reversed from a $110.78 intraday high to a $105.18 close, which shows selling pressure near the $110-111 area. Volume has fallen from 1.51M on the post-earnings day to about 550K recently, so the rally is not drawing heavy trading. The product news flow (Carlyle private markets interval fund, BondBloxx Core Plus ETF collaboration, Lipper award, charitable giving fund) is steady and fits the strategy of deeper client relationships, but these items are individually minor. The data does not include forward guidance, valuation multiples or analyst estimates, so the outlook depends on sustaining sales momentum and margin expansion.
News behind the analysis
- SEI and Carlyle Launch SEI Carlyle Private Markets FundSEI and Carlyle launched the SEI Carlyle Private Markets Fund (PRVTX), an interval fund that gives access to institutional private markets.
- SEI Reports Third-Quarter 2026 Financial ResultsQ3 revenue rose 14% to $662.0M and operating income rose 24% to $198.0M, with adjusted EPS up 24% to $1.64. The board also raised the buyback authorization by $800M to about $926M.
- SEI Wins 2026 LSEG Lipper Fund Award CanadaSEI received a 2026 LSEG Lipper Fund Award in Canada for performance in its Canadian Equity Fund category.
- SEI Collaborates with BondBloxx on New Core Plus ETFSEI provided allocation and portfolio construction expertise for the newly launched BondBloxx Core Plus ETF (BBLX).
- SEI Launches SEI Charitable FundSEI introduced the SEI Charitable Fund to add charitable giving to its wealth management platform for advisors and clients.
About SEI Investments Co
SEI Investments, based in Oaks, Pennsylvania, provides financial technology, back-office operations and asset management services to banks, wealth managers, financial advisors, investment managers and institutions. As of September 30, 2026, it manages, advises or administers about $2.1 trillion in assets, and it stands out for combining software platforms, fund administration and its own investment products under one roof.
How it makes money
SEI earns mostly recurring, fee-based revenue: asset management fees on the money it manages, administration and processing fees for servicing hedge funds, private equity funds and mutual funds, and technology and outsourcing fees from banks and wealth firms that use its platforms (such as SWP). It also holds a stake in LSV Asset Management, which brings in additional income, and its recent purchase of a stake in Stratos Wealth Partners added advisor-related revenue. Quarterly revenue was roughly $660 million in Q3 2026, up about 14% from a year earlier.
What usually moves SEIC
- Stock and bond market levels, which affect asset-based fees
- Net new sales and client wins in investment manager services
- Bank and wealth-firm technology spending
- Fund flows into or out of SEI and LSV strategies
- Share buybacks and operating margin trends