• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishDashboard
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI employees
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SCHEDULE 13G/A filed by SEI Investments Company

    5/15/25 9:36:53 AM ET
    $SEIC
    Investment Bankers/Brokers/Service
    Finance
    Get the next $SEIC alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 14)


    SEI Investments Co

    (Name of Issuer)


    Common Stock

    (Title of Class of Securities)


    784117103

    (CUSIP Number)


    03/31/2025

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox not checked   Rule 13d-1(c)
    Checkbox checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    784117103


    1Names of Reporting Persons

    Loomis, Sayles & Co., L.P.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    7,096,177.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    8,720,520.67
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    6.87 %
    12Type of Reporting Person (See Instructions)

    IA


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    SEI Investments Co
    (b)Address of issuer's principal executive offices:

    1 FREEDOM VALLEY DRIVE, OAKS, PA, 19456-1100
    Item 2. 
    (a)Name of person filing:

    Loomis, Sayles & Co., L.P.
    (b)Address or principal business office or, if none, residence:

    One Financial Center Boston, MA 02111
    (c)Citizenship:

    United States
    (d)Title of class of securities:

    Common Stock
    (e)CUSIP No.:

    784117103
    Item 3.If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    8720520.67
    (b)Percent of class:

    6.87  %
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    7096177.0

     (ii) Shared power to vote or to direct the vote:

    0

     (iii) Sole power to dispose or to direct the disposition of:

    0

     (iv) Shared power to dispose or to direct the disposition of:

    0

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.


    Clients of Reporting Person have such a right, none of whom has such interest relating to more than 5% of any class.
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired andare held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect ofchanging or influencing the control of the issuer of the securities and were not acquired and are not held in connection withor as a participant in any transaction having that purpose or effect, other than activities solely in connection with anomination under 240.14a-11.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    Loomis, Sayles & Co., L.P.
     
    Signature:Mari Shimokawa
    Name/Title:Deputy Chief Compliance Officer
    Date:05/13/2025
    Get the next $SEIC alert in real time by email

    Chat with this insight

    Save time and jump to the most important pieces.

    Recent Analyst Ratings for
    $SEIC

    DatePrice TargetRatingAnalyst
    4/7/2025$81.00 → $77.00Underweight → Overweight
    Morgan Stanley
    1/30/2025$99.00Mkt Perform → Outperform
    Raymond James
    3/29/2023$60.00Neutral
    Piper Sandler
    7/25/2022Mkt Perform
    William Blair
    7/12/2022$55.00Equal-Weight → Underweight
    Morgan Stanley
    3/28/2022$67.00 → $65.00Buy → Neutral
    Goldman
    1/27/2022$75.00 → $70.00Outperform
    Oppenheimer
    11/3/2021$67.00Hold
    Truist Securities
    More analyst ratings

    $SEIC
    Press Releases

    Fastest customizable press release news feed in the world

    See more
    • SEI Research Finds 43 Percent of Private Markets Staff Consumed by Fund Admin Replication

      High Replication, Multi-Administrator Model Contributes to Increased Costs and Inefficiencies OAKS, Pa. and LONDON, June 10, 2025 /PRNewswire/ -- SEI® (NASDAQ:SEIC) today unveiled research that found private market asset managers identify data replication and fragmentation from multiple fund administrators as a challenge, causing operational inefficiencies, resource drain, and increased costs. Conducted in partnership with Cutter Associates, the survey examined the private market fund administration landscape and the current and target state replication model through feedback from U.S.- and U.K.-based managers. Phil McCabe, Head of SEI's Investment Managers business, commented on the indust

      6/10/25 8:00:00 AM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance
    • SEI Business Audit Tool Reveals Financial Advisors' Focus on Significant Business Transitions

      Industry Prepares for Substantial Evolution,Advisors Focused on Business Planning, Growth, and Scalability OAKS, Pa., June 3, 2025 /PRNewswire/ -- SEI® (NASDAQ:SEIC) today announced that advisors are actively seeking strategies intended to refine and future-proof their practice, according to data collected from its business audit tool.* Within the next 18 months, 40% of respondents are considering a significant business transition, including selling their practices, acquiring or merging with another firm, or navigating key changes in their strategic partnerships. Succession planning and continuity planning remain top concerns, highlighting the need for structured exit strategies. From busi

      6/3/25 9:00:00 AM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance
    • SEI to Present at William Blair 45th Annual Growth Stock Conference

      OAKS, Pa., May 29, 2025 /PRNewswire/ -- SEI® (NASDAQ:SEIC) today announced that the company will participate in the William Blair 45th Annual Growth Stock Conference in Chicago, IL. Sean Denham, SEI's Chief Financial and Chief Operating Officer will present at 10:20 a.m. ET on June 5, 2025. A live webcast of the presentation will be available here. Denham and Michael Lane, an Executive Vice President and Head of Asset Management at SEI, will host one-on-one or small group meetings throughout the day. Analysts and portfolio managers who wish to attend or request a meeting should contact William Blair. A link to a replay of the webcast will be available following the conference in the Investo

      5/29/25 9:00:00 AM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance

    $SEIC
    SEC Filings

    See more
    • SEI Investments Company filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits

      8-K - SEI INVESTMENTS CO (0000350894) (Filer)

      6/5/25 10:01:14 AM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance
    • SEI Investments Company filed SEC Form 8-K: Other Events, Financial Statements and Exhibits

      8-K - SEI INVESTMENTS CO (0000350894) (Filer)

      5/28/25 4:07:52 PM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance
    • Amendment: SEC Form SCHEDULE 13G/A filed by SEI Investments Company

      SCHEDULE 13G/A - SEI INVESTMENTS CO (0000350894) (Subject)

      5/15/25 9:36:53 AM ET
      $SEIC
      Investment Bankers/Brokers/Service
      Finance