SEI INVESTMENTS CO SEC filing history

185 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.

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SEC filing history

Showing 1–25 of 112 matching filings.

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1
4

4 filing

Filing date
01 Oct 2026
Reporting date
29 Sep 2026
SEC evidence
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4

4 filing

Filing date
24 Sep 2026
Reporting date
22 Sep 2026
SEC evidence
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4

4 filing

Filing date
08 Sep 2026
Reporting date
03 Sep 2026
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4

4 filing

Filing date
03 Sep 2026
Reporting date
01 Sep 2026
SEC evidence
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4

4 filing

Filing date
01 Sep 2026
Reporting date
28 Aug 2026
SEC evidence
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4

4 filing

Filing date
06 Aug 2026
Reporting date
04 Aug 2026
SEC evidence
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4

4 filing

Filing date
04 Aug 2026
Reporting date
03 Aug 2026
SEC evidence
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4

4 filing

Filing date
30 Jul 2026
Reporting date
28 Jul 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 Jul 2026
Reporting date
28 Jul 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 Jul 2026
Reporting date
28 Jul 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Jul 2026
Reporting date
24 Jul 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Jul 2026
Reporting date
24 Jul 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
29 Jun 2026
Reporting date
26 Jun 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
11 Jun 2026
Reporting date
09 Jun 2026
SEC evidence
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4

4 filing

Filing date
05 May 2026
Reporting date
04 May 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
24 Apr 2026
Reporting date
23 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
23 Apr 2026
Reporting date
23 Apr 2026
SEC evidence
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4

4 filing

Filing date
23 Apr 2026
Reporting date
23 Apr 2026
SEC evidence
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4/A

4/A filing

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
19 Mar 2026
Reporting date
18 Mar 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
12 Mar 2026
Reporting date
10 Mar 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
26 Feb 2026
Reporting date
25 Feb 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
02 Jan 2026
Reporting date
01 Jan 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
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