SEI INVESTMENTS CO reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Oaks, PA
SEC filing record 1 source field available
Fiscal year end
31 December
SEI INVESTMENTS CO has filed 1,948 SEC EDGAR filings since 14 Feb 1995

SEC filing history

Showing 1-25 of 1,000 matching filings.

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1
4

FORM 4

Filing date
29 Jun 2026
Reporting date
26 Jun 2026
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144 File 000-10200

144 filing

Filing date
26 Jun 2026
Reporting date
Not listed
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4

FORM 4

Filing date
11 Jun 2026
Reporting date
09 Jun 2026
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144 File 000-10200

144 filing

Filing date
09 Jun 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-34968

SCHEDULE 13G/A filing

Filing date
14 May 2026
Reporting date
Not listed
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13F-HR File 028-16454

13F-HR filing

Filing date
13 May 2026
Reporting date
31 Mar 2026
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4

FORM 4

Filing date
05 May 2026
Reporting date
04 May 2026
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144 File 000-10200

144 filing

Filing date
04 May 2026
Reporting date
Not listed
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4

FORM 4

Filing date
30 Apr 2026
Reporting date
28 Apr 2026
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SCHEDULE 13G File 005-34968

SCHEDULE 13G filing

Filing date
29 Apr 2026
Reporting date
Not listed
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144 File 000-10200

144 filing

Filing date
28 Apr 2026
Reporting date
Not listed
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4

FORM 4

Filing date
24 Apr 2026
Reporting date
23 Apr 2026
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4

FORM 4

Filing date
23 Apr 2026
Reporting date
23 Apr 2026
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4

FORM 4

Filing date
23 Apr 2026
Reporting date
23 Apr 2026
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144 File 000-10200

144 filing

Filing date
23 Apr 2026
Reporting date
Not listed
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144 File 000-10200

144 filing

Filing date
23 Apr 2026
Reporting date
Not listed
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144 File 000-10200

144 filing

Filing date
23 Apr 2026
Reporting date
Not listed
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ARS File 000-10200

ARS

Filing date
15 Apr 2026
Reporting date
31 Dec 2025
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DEF 14A File 000-10200

DEFINITIVE PROXY STATEMENT

Filing date
15 Apr 2026
Reporting date
27 May 2026
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4/A

FORM 4/A

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
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4

FORM 4

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
SEC evidence
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