Inatai Investment Management Co. LLC
SEATTLE, WA
Form ADV and provider website profile · CRD 329696 · regulatory data as of May 11, 2026
This profile compiles reported firm AUM, regulatory account counts, ownership information, and source-linked regulatory records for Inatai Investment Management Co. LLC. Firm-wide values may include business beyond OCIO services; review the linked filing before relying on a claim. How to interpret OCIO Intelligence data.
$2.7BReported Firm AUMReported Firm AUMTotal assets under management reported for the registered advisory firm. This may include businesses beyond its OCIO services.
3Total AccountsTotal AccountsTotal regulatory accounts reported in Form ADV Item 5.F. This is not necessarily the number of OCIO mandates or unique clients.
$2.7BDiscretionary AUMDiscretionary AUMFirm assets reported as discretionary, where the adviser generally has authority to make investment decisions within the client mandate.
$0Non-discretionary AUMNon-discretionary AUMFirm assets reported as non-discretionary, where the client generally retains final investment decision authority.
Direct Owners & Executives
Source: Form ADV- Reported since
- 10/2022
- Type
- Domestic entity
- Control person
- Yes
- Ownership
- 75% or more
- Reported since
- 10/2022
- Type
- Individual
- Control person
- Yes
- Ownership
- Less than 5%
- Reported since
- 02/2024
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 11/2023
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 10/2022
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 10/2022
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 10/2022
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 10/2022
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 03/2024
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 03/2025
- Type
- Individual
- Control person
- No
- Ownership
- Less than 5%
- Reported since
- 03/2026
- Type
- Individual
- Control person
- Yes
- Ownership
- Less than 5%
| Name | Title | Reported since | Type | Control person | Ownership |
|---|---|---|---|---|---|
| Inatai Foundation | Managing Member | 10/2022 | Domestic entity | Yes | 75% or more |
| Peng (Nmn) Wang | Chief Investment Officer / Chief Executive Officer | 10/2022 | Individual | Yes | Less than 5% |
| Walter Russell Costenbader | Chief Compliance Officer | 02/2024 | Individual | No | Less than 5% |
| Julianne Christie Reilly | Imco Board Secretary | 11/2023 | Individual | No | Less than 5% |
| Peter Henry Van Oppen | Board Chair | 10/2022 | Individual | No | Less than 5% |
| Nichole June Maher | Board Member | 10/2022 | Individual | No | Less than 5% |
| Cara Chiemi Nakamura | Board Member | 10/2022 | Individual | No | Less than 5% |
| David (Nmn) Nierenberg | Board Member | 10/2022 | Individual | No | Less than 5% |
| Marisa Nicole Grant | Board Member | 03/2024 | Individual | No | Less than 5% |
| Benjamin Nmn Danielson | Board Member | 03/2025 | Individual | No | Less than 5% |
| Muthukkaruppan Muthiah | Board Member | 03/2026 | Individual | Yes | Less than 5% |
Indirect Ownership
Source: Form ADVNo indirect ownership records were reported.
Owners & Executives
Source: Form ADVP(
Peng (Nmn) Wang
Chief Investment Officer / Chief Executive Officer
WR
Walter Russell Costenbader
Chief Compliance Officer
PH
Peter Henry Van Oppen
Board Chair
Names and titles are shown as reported in Form ADV.
Ownership & Governance
Direct owners & executives11
Indirect ownership records0
Regulatory statusSEC registered investment adviser
SEC registration dateMar 6, 2024
CRD number329696