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[13F-HR] SEI Investments Co SEC Filing

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
13F-HR
Rhea-AI Filing Summary

SEI Investments Company (SEIC) filed a 13F Combination Report for the quarter ended 06-30-2025 that aggregates holdings reported by its operating subsidiaries. The report lists 5,589 information-table entries with a total reported market value of $86,271,329,817. SEI explains it is a parent holding company that disclaims investment discretion and voting authority for the reported Section 13(f) securities, noting those powers reside with its operating subsidiaries and that certain subsidiaries and sub-advisers are reported for regulatory purposes. The filing also lists 4 other included managers by name.

SEI Investments Company (SEIC) ha presentato un 13F Combination Report relativo al trimestre chiuso il 06-30-2025 che aggrega le partecipazioni segnalate dalle sue società operative. Il rapporto elenca 5,589 voci nella tabella informativa per un valore di mercato totale dichiarato di $86,271,329,817. SEI precisa di essere una società holding che declina la discrezionalità negli investimenti e il diritto di voto sulle attività riportate ai sensi della Sezione 13(f), indicando che tali poteri spettano alle sue società operative e che alcune società controllate e sub-consulenti sono segnalate per obblighi normativi. Il deposito elenca inoltre 4 altri gestori inclusi nominativamente.

SEI Investments Company (SEIC) presentó un 13F Combination Report correspondiente al trimestre cerrado el 06-30-2025 que consolida las participaciones informadas por sus filiales operativas. El informe incluye 5,589 entradas en la tabla informativa, con un valor de mercado total declarado de $86,271,329,817. SEI aclara que es una sociedad matriz que renuncia a la discrecionalidad de inversión y a la autoridad de voto sobre los valores sujetos a la Sección 13(f), señalando que esos poderes corresponden a sus filiales operativas y que determinadas subsidiarias y subasesores se informan por motivos regulatorios. La presentación también nombra a 4 gestores adicionales incluidos.

SEI Investments Company (SEIC)ëŠ� ìš´ì˜ ìžíšŒì‚¬ê°€ ë³´ê³ í•� 보유ë¥� 집계í•� 13F Combination Reportë¥� 06-30-2025ë¡� 종료ë� 분기ì—� 제출했습니다. 보고서ì—ëŠ� ì´� ë³´ê³ ë� 시장 가치가 $86,271,329,817ì� 5,589ê°œì˜ ì •ë³´í‘� 항목ì� 기재ë˜ì–´ 있습니다. SEIëŠ� ë³´ê³ ë� 섹션 13(f) ì¦ê¶Œì—� 대í•� íˆ¬ìž ìž¬ëŸ‰ê³� ì˜ê²° 권한ì� ë¶€ì¸í•˜ëŠ� 지주회사임ì� 설명하며, 해당 ê¶Œí•œì€ ìš´ì˜ ìžíšŒì‚¬ì— 있으ë©� ì¼ë¶€ ìžíšŒì‚¬ì™€ 서브어드바ì´ì €ëŠ� 규제 목ì ìƒ� ë³´ê³ ëœë‹¤ê³� ë°í˜”습니ë‹�. 제출서ì—ëŠ� ì´ë¦„ì� 명시ë� 4ëª…ì˜ ë‹¤ë¥¸ í¬í•¨ 매니저ë� 기재ë˜ì–´ 있습니다.

SEI Investments Company (SEIC) a déposé un 13F Combination Report pour le trimestre clos le 06-30-2025 qui agrège les avoirs déclarés par ses filiales opérationnelles. Le rapport répertorie 5,589 éléments dans le tableau d'information pour une valeur de marché totale déclarée de $86,271,329,817. SEI précise qu'il s'agit d'une société mère qui décline la discrétion d'investissement et l'autorité de vote concernant les titres visés par la Section 13(f), en indiquant que ces pouvoirs incombent à ses filiales opérationnelles et que certaines filiales et sous-conseillers sont déclarés à des fins réglementaires. Le dépôt mentionne également 4 autres gestionnaires inclus nommément.

SEI Investments Company (SEIC) reichte für das Quartal zum 06-30-2025 einen 13F Combination Report ein, der die von seinen operativen Tochtergesellschaften gemeldeten Bestände konsolidiert. Der Bericht listet 5,589 Einträge in der Informationstabelle mit einem insgesamt gemeldeten Marktwert von $86,271,329,817. SEI erklärt, es handele sich um eine Muttergesellschaft, die die Anlageentscheidung und Stimmrechte für die gemeldeten Wertpapiere nach Section 13(f) ablehnt, und weist darauf hin, dass diese Befugnisse bei ihren operativen Tochtergesellschaften liegen und dass bestimmte Tochtergesellschaften und Sub-Advisor aus regulatorischen Gründen gemeldet werden. Die Einreichung nennt zudem 4 weitere aufgeführte Manager namentlich.

Positive
  • None.
Negative
  • None.

Insights

Routine aggregation of subsidiary holdings; provides scale but not portfolio detail.

The filing is a consolidated 13F Combination Report showing the scope of SEI's reported Section 13(f) positions rather than a breakdown of investment strategy. It discloses 5,589 report entries totaling $86.27 billion, which illustrates the scale of positions reported under SEI and its included managers. Because SEI explicitly disclaims investment and voting discretion for the operating subsidiaries, the filing functions primarily as a regulatory aggregation rather than an itemized advisory disclosure of decision-making. For investors, this document confirms reporting scope and participating managers but does not provide actionable portfolio-level changes or transactions.

Clear compliance disclosure of reporting responsibility and delegation; no material governance issues disclosed.

The cover page and accompanying statements clarify SEI's reporting posture: SEI is the parent company and reports Section 13(f) information for certain subsidiaries while disclaiming investment and voting discretion. The filing names the subsidiaries and lists 4 other included managers, which satisfies disclosure of reporting parties. It references instruction 12b.viii in relation to voting authority labeling, indicating attention to Form 13F instruction requirements. The document is procedural and compliant in tone; it does not present material legal or governance developments beyond routine reporting structure.

SEI Investments Company (SEIC) ha presentato un 13F Combination Report relativo al trimestre chiuso il 06-30-2025 che aggrega le partecipazioni segnalate dalle sue società operative. Il rapporto elenca 5,589 voci nella tabella informativa per un valore di mercato totale dichiarato di $86,271,329,817. SEI precisa di essere una società holding che declina la discrezionalità negli investimenti e il diritto di voto sulle attività riportate ai sensi della Sezione 13(f), indicando che tali poteri spettano alle sue società operative e che alcune società controllate e sub-consulenti sono segnalate per obblighi normativi. Il deposito elenca inoltre 4 altri gestori inclusi nominativamente.

SEI Investments Company (SEIC) presentó un 13F Combination Report correspondiente al trimestre cerrado el 06-30-2025 que consolida las participaciones informadas por sus filiales operativas. El informe incluye 5,589 entradas en la tabla informativa, con un valor de mercado total declarado de $86,271,329,817. SEI aclara que es una sociedad matriz que renuncia a la discrecionalidad de inversión y a la autoridad de voto sobre los valores sujetos a la Sección 13(f), señalando que esos poderes corresponden a sus filiales operativas y que determinadas subsidiarias y subasesores se informan por motivos regulatorios. La presentación también nombra a 4 gestores adicionales incluidos.

SEI Investments Company (SEIC)ëŠ� ìš´ì˜ ìžíšŒì‚¬ê°€ ë³´ê³ í•� 보유ë¥� 집계í•� 13F Combination Reportë¥� 06-30-2025ë¡� 종료ë� 분기ì—� 제출했습니다. 보고서ì—ëŠ� ì´� ë³´ê³ ë� 시장 가치가 $86,271,329,817ì� 5,589ê°œì˜ ì •ë³´í‘� 항목ì� 기재ë˜ì–´ 있습니다. SEIëŠ� ë³´ê³ ë� 섹션 13(f) ì¦ê¶Œì—� 대í•� íˆ¬ìž ìž¬ëŸ‰ê³� ì˜ê²° 권한ì� ë¶€ì¸í•˜ëŠ� 지주회사임ì� 설명하며, 해당 ê¶Œí•œì€ ìš´ì˜ ìžíšŒì‚¬ì— 있으ë©� ì¼ë¶€ ìžíšŒì‚¬ì™€ 서브어드바ì´ì €ëŠ� 규제 목ì ìƒ� ë³´ê³ ëœë‹¤ê³� ë°í˜”습니ë‹�. 제출서ì—ëŠ� ì´ë¦„ì� 명시ë� 4ëª…ì˜ ë‹¤ë¥¸ í¬í•¨ 매니저ë� 기재ë˜ì–´ 있습니다.

SEI Investments Company (SEIC) a déposé un 13F Combination Report pour le trimestre clos le 06-30-2025 qui agrège les avoirs déclarés par ses filiales opérationnelles. Le rapport répertorie 5,589 éléments dans le tableau d'information pour une valeur de marché totale déclarée de $86,271,329,817. SEI précise qu'il s'agit d'une société mère qui décline la discrétion d'investissement et l'autorité de vote concernant les titres visés par la Section 13(f), en indiquant que ces pouvoirs incombent à ses filiales opérationnelles et que certaines filiales et sous-conseillers sont déclarés à des fins réglementaires. Le dépôt mentionne également 4 autres gestionnaires inclus nommément.

SEI Investments Company (SEIC) reichte für das Quartal zum 06-30-2025 einen 13F Combination Report ein, der die von seinen operativen Tochtergesellschaften gemeldeten Bestände konsolidiert. Der Bericht listet 5,589 Einträge in der Informationstabelle mit einem insgesamt gemeldeten Marktwert von $86,271,329,817. SEI erklärt, es handele sich um eine Muttergesellschaft, die die Anlageentscheidung und Stimmrechte für die gemeldeten Wertpapiere nach Section 13(f) ablehnt, und weist darauf hin, dass diese Befugnisse bei ihren operativen Tochtergesellschaften liegen und dass bestimmte Tochtergesellschaften und Sub-Advisor aus regulatorischen Gründen gemeldet werden. Die Einreichung nennt zudem 4 weitere aufgeführte Manager namentlich.

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2025
Check here if Amendment Amendment Number:
This Amendment (Check only one.): is a restatement.
adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: SEI INVESTMENTS CO
Address: 1 FREEDOM VALLEY DRIVE
OAKS, PA 19456-1100
Form 13F File Number: 028-16454
CRD Number (if applicable):
SEC File Number (if applicable):

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Michael N. Peterson
Title: Executive Vice President
Phone: 610-676-1000
Signature, Place, and Date of Signing:
Michael N. Peterson Oaks, PA 08-14-2025
[Signature] [City, State] [Date]
SEI Investments Company (SEI) is the parent holding company of certain institutional investment managers, as defined by Section 13(f) of the Securities Exchange Act of 1934, as amended (the "Act"). For purposes of the reporting requirements under Section 13(f) of the Act, and the rules promulgated thereunder, SEI does not exercise, and therefore disclaims, investment discretion with respect to any Section 13(f) securities positions over which its investment operating subsidiaries exercise such discretion. To the extent, however, that SEI's ownership interest in such subsidiaries may nevertheless give rise to a Form 13F obligation for SEI, the information required by Form 13F is reported herein on behalf of the following subsidiaries: SEI Investments Management Corporation ("SIMC"), SEI Trust Company and SEI Investments Canada Company (SEI Canada). Voting authority with respect to the Section 13(f) securities reported herein resides with and is exercised by SEI's operating subsidiaries, unless otherwise indicated. Although SEI has not been delegated voting authority over such Section 13(f) securities, and disclaims such voting authority, pursuant to instruction 12b.viii of Form 13F, and for that purpose only, such Section 13(f) securities are reported as "Sole Voting Authority." SIMC and SEI Canada each serve as an investment adviser to a number of pooled investment vehicles, which may include mutual funds, hedge funds, private equity funds, collective investment trusts and offshore investment funds (together, the "Pooled Investment Vehicles"). In addition, SIMC sponsor and may serve as adviser to, separately managed account programs (SMA Programs) . SIMC and SEI Canada may act as a "manager of managers" whereby each retain, subject to SIMC's and SEI Canada's oversight, respectively, sub-advisers to buy and sell securities on behalf of such Pooled Investment Vehicles and SMA Programs. To the extent that SIMC's and SEI Canada's role as a manager of managers could give rise to a Form 13F obligation, SIMC or SEI Canada has instructed its sub-advisers to file a Form 13F with respect to such securities and has included such sub-advisers in the "list of other managers reporting for this manager" below.
Report Type (Check only one.):
13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
X 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
ACADIAN ASSET MANAGEMENT LLC 028-05990 0000916542
ALLIANCEBERNSTEIN L.P. 028-10562 0001109448
AQR CAPITAL MANAGEMENT LLC 028-10120 0001167557
Arcus Capital Partners, LLC 028-17137 0001651960
ArrowMark Colorado Holdings LLC 028-13791 0001483859
AXIOM INVESTORS LLC /DE 028-05615 0001109147
Beutel, Goodman & Co Ltd. 028-11939 0001361974
BRIGADE CAPITAL MANAGEMENT, LP 028-12820 0001421306
CAUSEWAY CAPITAL MANAGEMENT LLC 028-11728 0001165797
Coho Partners, Ltd. 028-11563 0001350585
Copeland Capital Management, LLC 028-14668 0001541743
Fiera Capital Corp 028-14036 0001505817
GREAT LAKES ADVISORS, LLC 028-05229 0001078013
Hillsdale Investment Management Inc. 028-11957 0001368465
INTECH INVESTMENT MANAGEMENT LLC 028-04211 0001086318
J O HAMBRO CAPITAL MANAGEMENT LTD 028-14777 0000940755
KETTLE HILL CAPITAL MANAGEMENT, LLC 028-17689 0001387369
LMCG INVESTMENTS, LLC 028-13608 0001470944
LSV ASSET MANAGEMENT 028-06580 0001050470
Macquarie Investment Management LTD 028-13124 0001435053
MANULIFE INVESTMENT MANAGEMENT (US) LLC 028-03673 0001034182
MAR VISTA INVESTMENT PARTNERS LLC 028-13243 0001419999
MARATHON ASSET MANAGEMENT LP 028-10682 0001279913
MARTINGALE ASSET MANAGEMENT L P 028-04632 0000936944
Neuberger Berman Group LLC 028-13573 0001465109
GOLDMAN SACHS GROUP INC 028-04981 0000886982
PACIFIC INVESTMENT MANAGEMENT CO LLC 028-10952 0001163368
PANAGORA ASSET MANAGEMENT INC 028-03042 0000883677
PARAMETRIC PORTFOLIO ASSOCIATES LLC 028-04558 0000932859
Poplar Forest Capital LLC 028-13350 0001454949
QS Investors, LLC 028-14009 0001501436
Qtron Investments LLC 028-19339 0001768099
RAMIUS ADVISORS LLC 028-10674 0001275893
RWC Asset Management LLP 028-14481 0001520478
SCHAFER CULLEN CAPITAL MANAGEMENT INC 028-04691 0001056593
SSGA FUNDS MANAGEMENT INC 028-11338 0001257442
WCM INVESTMENT MANAGEMENT, LLC 028-07104 0001061186
Allspring Global Investments, LLC 028-04413 0001075869
Perpetual Investment Management Ltd 028-21079 0001570625
DIAMOND HILL CAPITAL MANAGEMENT INC 028-10648 0001217541
Stone Harbor Investment Partners LP 028-14178 0001508123
Leeward Investments, LLC - MA 028-22464 0001923173
Alphinity Investment Management Pty Ltd 028-18430 0001731012
BARINGS LLC 028-00060 0000009015
BAILLIE GIFFORD & CO 028-04825 0001088875
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 4
Form 13F Information Table Entry Total: 5,589
Form 13F Information Table Value Total: 86,271,329,817
(round to nearest dollar)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
No. Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
1 Informed Momentum Co LLC 028-14070 000144908 801-70305 0001510989
2 SEI INVESTMENTS MANAGEMENT CORP 028-16475 000105146 801-24593 0000907692
3 SEI TRUST CO 028-10297 0001204692
4 SEI Investments Canada Co 028-16449 0001633036

Sei Invts Co

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10.81B
103.05M
16.62%
76.37%
1.47%
Asset Management
Security Brokers, Dealers & Flotation Companies
United States
OAKS