SEC 13F Intelligence

Managers / Q2 2025 · view latest →

SEI INVESTMENTS CO

CIK 0000350894 · 1 FREEDOM VALLEY DRIVE, OAKS, PA, 19456-1100 · 6106761000

Reported Value
$86.3B
Q2 2025
Positions
5,589
Filings on Record
33
2019–present window
Filed
Aug 14, 2025
original filing

Summary

Sei Investments Co reported $86.3B in U.S.-listed holdings across 5,589 positions for Q2 2025.

Its largest position, MSFT, represents 2.9% of the portfolio.

Compared with Q1 2025, the fund opened 196 new positions and exited 170.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $28.1BQ4 ’18Q1 ’19: $29.8BQ2 ’19: $30.6BQ3 ’19: $39.1BQ4 ’19: $33.5BQ4 ’19Q1 ’20: $27.2BQ2 ’20: $32.2BQ3 ’20: $36.0BQ4 ’20: $38.7BQ4 ’20Q1 ’21: $39.7BQ2 ’21: $45.1BQ3 ’21: $47.7BQ4 ’21: $53.3BQ4 ’21Q1 ’22: $49.8BQ2 ’22: $46.3BQ3 ’22: $44.8BQ4 ’22: $45.00TQ4 ’22Q1 ’23: $53.8BQ2 ’23: $57.3BQ3 ’23: $55.7BQ4 ’23: $62.3BQ4 ’23Q1 ’24: $68.2BQ2 ’24: $70.6BQ3 ’24: $77.0BQ4 ’24: $77.9BQ4 ’24Q1 ’25: $77.7BQ2 ’25: $86.3BQ3 ’25: $93.0BQ4 ’25: $101.3BQ4 ’25Q1 ’26: $108.4Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q2 2025

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#IssuerClass% PortfolioValueShares

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$108.4B6,108May 13, 202613F-HRchanges · EDGAR ↗
Q4 2025$101.3B6,077Feb 13, 202613F-HRchanges · EDGAR ↗
Q3 2025$93.0B5,633Nov 13, 202513F-HRchanges · EDGAR ↗
Q2 2025$86.3B5,589Aug 14, 202513F-HRchanges · EDGAR ↗
Q1 2025$77.7B5,482May 14, 2025RESTATEMENTchanges · EDGAR ↗
Q4 2024$77.9B5,393Feb 11, 202513F-HRchanges · EDGAR ↗
Q3 2024$77.0B5,342Nov 12, 202413F-HRchanges · EDGAR ↗
Q2 2024$70.6B5,281Aug 13, 202413F-HRchanges · EDGAR ↗
Q1 2024$68.2B5,159May 7, 202413F-HRchanges · EDGAR ↗
Q4 2023$62.3B5,127Feb 14, 202413F-HRchanges · EDGAR ↗
Q3 2023$55.7B5,162Nov 14, 202313F-HRchanges · EDGAR ↗
Q2 2023$57.3B5,215Aug 11, 202313F-HRchanges · EDGAR ↗
Q1 2023$53.8B5,320May 12, 202313F-HRchanges · EDGAR ↗
Q4 2022$45.00T4,917Feb 10, 202313F-HRchanges · EDGAR ↗
Q3 2022$44.8B5,099Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$46.3B5,003Aug 15, 202213F-HRchanges · EDGAR ↗
Q1 2022$49.8B4,826May 13, 202213F-HRchanges · EDGAR ↗
Q4 2021$53.3B4,846Feb 14, 202213F-HRchanges · EDGAR ↗
Q3 2021$47.7B4,698Nov 12, 202113F-HRchanges · EDGAR ↗
Q2 2021$45.1B4,567Aug 6, 202113F-HRchanges · EDGAR ↗
Q1 2021$39.7B4,391May 12, 202113F-HRchanges · EDGAR ↗
Q4 2020$38.7B4,396Feb 8, 202113F-HRchanges · EDGAR ↗
Q3 2020$36.0B4,850Nov 6, 202013F-HRchanges · EDGAR ↗
Q2 2020$32.2B4,583Aug 17, 2020RESTATEMENTchanges · EDGAR ↗
Q1 2020$27.2B4,719May 14, 202013F-HRchanges · EDGAR ↗
Q4 2019$33.5B5,444Feb 6, 202013F-HRchanges · EDGAR ↗
Q3 2019$39.1B5,000Nov 12, 201913F-HRchanges · EDGAR ↗
Q2 2019$30.6B5,061Aug 14, 201913F-HRchanges · EDGAR ↗
Q1 2019$29.8B6,896May 15, 201913F-HRchanges · EDGAR ↗
Q4 2018$28.1B6,207Feb 13, 201913F-HRchanges · EDGAR ↗

Other Included Managers

This filing reports holdings on behalf of 49 additional managers.

  • ACADIAN ASSET MANAGEMENT LLC028-05990
  • ALLIANCEBERNSTEIN L.P.028-10562
  • AQR CAPITAL MANAGEMENT LLC028-10120
  • Arcus Capital Partners, LLC028-17137
  • ArrowMark Colorado Holdings LLC028-13791
  • AXIOM INVESTORS LLC /DE028-05615
  • Beutel, Goodman & Co Ltd.028-11939
  • BRIGADE CAPITAL MANAGEMENT, LP028-12820
  • CAUSEWAY CAPITAL MANAGEMENT LLC028-11728
  • Coho Partners, Ltd.028-11563
  • Copeland Capital Management, LLC028-14668
  • Fiera Capital Corp028-14036
  • GREAT LAKES ADVISORS, LLC028-05229
  • Hillsdale Investment Management Inc.028-11957
  • INTECH INVESTMENT MANAGEMENT LLC028-04211
  • J O HAMBRO CAPITAL MANAGEMENT LTD028-14777
  • KETTLE HILL CAPITAL MANAGEMENT, LLC028-17689
  • LMCG INVESTMENTS, LLC028-13608
  • LSV ASSET MANAGEMENT028-06580
  • Macquarie Investment Management LTD028-13124
  • MANULIFE INVESTMENT MANAGEMENT (US) LLC028-03673
  • MAR VISTA INVESTMENT PARTNERS LLC028-13243
  • MARATHON ASSET MANAGEMENT LP028-10682
  • MARTINGALE ASSET MANAGEMENT L P028-04632
  • Neuberger Berman Group LLC028-13573
  • GOLDMAN SACHS GROUP INC028-04981
  • PACIFIC INVESTMENT MANAGEMENT CO LLC028-10952
  • PANAGORA ASSET MANAGEMENT INC028-03042
  • PARAMETRIC PORTFOLIO ASSOCIATES LLC028-04558
  • Poplar Forest Capital LLC028-13350
  • QS Investors, LLC028-14009
  • Qtron Investments LLC028-19339
  • RAMIUS ADVISORS LLC028-10674
  • RWC Asset Management LLP028-14481
  • SCHAFER CULLEN CAPITAL MANAGEMENT INC028-04691
  • SSGA FUNDS MANAGEMENT INC028-11338
  • WCM INVESTMENT MANAGEMENT, LLC028-07104
  • Allspring Global Investments, LLC028-04413
  • Perpetual Investment Management Ltd028-21079
  • DIAMOND HILL CAPITAL MANAGEMENT INC028-10648
  • Stone Harbor Investment Partners LP028-14178
  • Leeward Investments, LLC - MA028-22464
  • Alphinity Investment Management Pty Ltd028-18430
  • BARINGS LLC028-00060
  • BAILLIE GIFFORD & CO028-04825
  • Informed Momentum Co LLC028-14070
  • SEI INVESTMENTS MANAGEMENT CORP028-16475
  • SEI TRUST CO028-10297
  • SEI Investments Canada Co028-16449

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.