SEI INVESTMENTS COMPANY (SEIC) Institutional Ownership Changes & 13F Activity

SEI INVESTMENTS COMPANY (SEIC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Ameriprise Financial Inc, Jane Street Group, Llc, Barclays Plc, and Azora Capital Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-686-1.0%70,000$6.14MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+38+53.5%109$9.56KQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+50,464+120.2%92,433$8.11MQ2 2026Sep 02, 2026
Brown, Lisle/Cummings, Inc.Sell-37-25.5%108$9.47KQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcSell-9-39.1%14$1.23KQ2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+10,246+11.1%102,534$8.99MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-8,566-6.8%117,300$10.29MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+13,427+50.1%40,231$3.53MQ2 2026Aug 19, 2026
Redwood Investment Management, LlcBuy+13,36613,366$1.17MQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioSell-9,218-16.1%47,868$4.20MQ2 2026Aug 17, 2026
Caitlin John, LlcSell-3,031-82.7%636$55.79KQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcSell-1,444-20.9%5,451$478.11KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcSell-27-93.1%2$175.00Q2 2026Aug 17, 2026
Invesco Ltd.Buy+1,110,8291,110,829$97.43MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+578,420578,420$50.75MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+572,501+9087.3%578,801$50.77MQ2 2026Aug 14, 2026
Barclays PlcBuy+444,238+116.6%825,215$72.38MQ2 2026Aug 14, 2026
Azora Capital LpBuy+443,189443,189$38.87MQ2 2026Aug 14, 2026
Prana Capital Management, LpSell-325,018-70.0%139,223$12.21MQ2 2026Aug 14, 2026
Man Group PlcSell-273,407-75.8%87,503$7.67MQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-255,317-61.3%161,039$14.13MQ2 2026Aug 14, 2026
Caisse De Depot Et Placement Du QuebecSell-195,644-16.3%1,002,445$87.92MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+147,452+124.2%266,217$23.35MQ2 2026Aug 14, 2026
Loomis Sayles & Co L PSell-146,827-1.7%8,482,052$743.96MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+137,098+42.3%461,227$40.45MQ2 2026Aug 14, 2026
Voloridge Investment Management, LlcBuy+106,463+25.8%518,314$45.46MQ2 2026Aug 14, 2026
Lord, Abbett & Co. LlcBuy+104,625+4.7%2,309,004$202.52MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+99,460+518.0%118,660$10.41MQ2 2026Aug 14, 2026
Interval Partners, LpBuy+89,795+65.9%226,022$19.82MQ2 2026Aug 14, 2026
Bridgewater Associates, LpSell-88,252-37.9%144,423$12.67MQ2 2026Aug 14, 2026
Showing 30 of 540

Frequently asked questions about SEIC activity

  • Which institutional owners are buying SEIC?

    Institutional owners buying SEIC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SEIC activity?

    "Buy" means an investor increased their reported position in SEIC compared to the prior reporting period. This reflects growing exposure to SEI INVESTMENTS COMPANY (SEIC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SEIC increasing?

    Institutional interest in SEIC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.