SEI INVESTMENTS COMPANY (SEIC) Stock Institutional Trading Activity


SEI INVESTMENTS COMPANY (SEIC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Cullen Value Fund, Sequoia Financial Advisors, Kahn Brothers Group, and Torray Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy10,300397,226$32,580,477
Q4 2025Cullen Value FundSell-5283,356$291,176
Q3 2025Sequoia Financial AdvisorsBuy5,66619,510$1,655,424
Q3 2025Renaissance Technologies LLCSell-35,000386,926$32,830,671
Q2 2025Sequoia Financial AdvisorsBuy10,23713,844$1,244,023
Q2 2025Renaissance Technologies LLCBuy224,100421,926$37,914,270
Q2 2025Cullen Value FundBuy223,884$348,991
Q1 2025Kahn Brothers GroupBuy1,4496,596$512,000
Q1 2025Renaissance Technologies LLCBuy127,400197,826$15,357,232
Q1 2025Cullen Value FundBuy213,862$299,844
Q4 2024Renaissance Technologies LLCSell-120,90070,426$5,808,736
Q4 2024Cullen Value FundSell-6403,841$316,778
Q3 2024Kahn Brothers GroupBuy5,1475,147$356,000
Q3 2024Renaissance Technologies LLCSell-5,100191,326$13,237,846
Q2 2024Renaissance Technologies LLCSell-78,100196,426$12,706,798
Q2 2024Cullen Value FundBuy314,481$289,851
Q1 2024Renaissance Technologies LLCBuy49,400274,526$19,738
Q1 2024Cullen Value FundSell-2674,450$314,024
Q4 2023Renaissance Technologies LLCSell-13,800225,126$14,307
Q4 2023Sequoia Financial AdvisorsBuy3,6073,607$229,225
Q4 2023Cullen Value FundBuy4,7174,717$299,789
Q3 2023Renaissance Technologies LLCSell-90,500238,926$14,391
Q2 2023Renaissance Technologies LLCBuy50,800329,426$19,640
Q1 2023Renaissance Technologies LLCSell-92,900278,626$16,035
Q4 2022Renaissance Technologies LLCSell-31,600371,526$21,660
Q3 2022Renaissance Technologies LLCBuy60,800403,126$19,773
Q2 2022Renaissance Technologies LLCBuy318,626342,326$18,492
Q1 2022Renaissance Technologies LLCSell-86,52623,700$1,427
Q4 2021Renaissance Technologies LLCSell-66,300110,226$6,717
Q3 2021Renaissance Technologies LLCBuy129,500176,526$10,468

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.