SEI Investments Management Corp
Alpha Nasdaq OCIO Indices - ContributorOAKS, PA
Form ADV and provider website profile · CRD 105146 · regulatory data as of Sep 1, 2026
This profile compiles reported firm AUM, regulatory account counts, ownership information, and source-linked regulatory records for SEI Investments Management Corp. Firm-wide values may include business beyond OCIO services; review the linked filing before relying on a claim. How to interpret OCIO Intelligence data.
$216.4BReported Firm AUMReported Firm AUMTotal assets under management reported for the registered advisory firm. This may include businesses beyond its OCIO services.
112,627Total AccountsTotal AccountsTotal regulatory accounts reported in Form ADV Item 5.F. This is not necessarily the number of OCIO mandates or unique clients.
$212.0BDiscretionary AUMDiscretionary AUMFirm assets reported as discretionary, where the adviser generally has authority to make investment decisions within the client mandate.
$4.4BNon-discretionary AUMNon-discretionary AUMFirm assets reported as non-discretionary, where the client generally retains final investment decision authority.
$216.4BTotal Firm AUM
$212.0BDiscretionary AUM
$4.4BNon-discretionary AUM
112,627Total accounts
112,625Discretionary accounts
2Non-discretionary accounts
Client Mix by Firm AUM
$216.4BFirm AUM
Investment companies46.5%
Individuals22.0%
Other Pooled Vehicles20.9%
Retirement Plans4.4%
High-Net-Worth2.3%
Charities1.8%
Municipalities1.2%
Banks0.4%
Corporations0.2%
Other0.2%
Reported Client Types
Source: Form ADV client recordsInvestment companies46.5%
1 clients$100.7B firm assets
Individuals22.0%
110,959 clients$47.7B firm assets
Other Pooled Vehicles20.9%
18 clients$45.2B firm assets
Retirement Plans4.4%
343 clients$9.6B firm assets
High-Net-Worth2.3%
726 clients$5.0B firm assets
Charities1.8%
465 clients$3.9B firm assets
Municipalities1.2%
4 clients$2.6B firm assets
Banks0.4%
93 clients$936M firm assets
Corporations0.2%
35 clients$488M firm assets
Other0.2%
2 clients$375M firm assets
Reported total112,646 clients
| Client type | Firm assets | Clients | AUM share |
|---|---|---|---|
| Investment companies | $100.7B | 1 | 46.5% |
| Individuals | $47.7B | 110,959 | 22.0% |
| Other Pooled Vehicles | $45.2B | 18 | 20.9% |
| Retirement Plans | $9.6B | 343 | 4.4% |
| High-Net-Worth | $5.0B | 726 | 2.3% |
| Charities | $3.9B | 465 | 1.8% |
| Municipalities | $2.6B | 4 | 1.2% |
| Banks | $936M | 93 | 0.4% |
| Corporations | $488M | 35 | 0.2% |
| Other | $375M | 2 | 0.2% |
| Reported total | $216.4B | 112,646 | — |
Types of Clients
Official SEC PDFLoading official Form ADV brochure…