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Summary

Description
English: A corporate organizational chart for OpenAI showing ownership and control structures. The diagram uses rectangular boxes to represent corporate entities connected by directional arrows labeled with relationship types.
Date
Source Own work
Author Domdomegg

Licensing

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Citations

Entity Names and Name Changes

OpenAI Foundation (formerly OpenAI, Inc.)

  • Name change: "On October 28, 2025, OpenAI, Inc. changed its name to OpenAI Foundation."[1]
  • 501(c)(3) nonprofit status: EIN 81-0861541, registered as 501(c)(3) organization with Form 990 filings from 2016-2023.[2]

OpenAI OpCo, LLC (formerly OpenAI L.P.)

  • Name change: "OpenAI L.P. changed its name in January 2023 to OpenAI OpCo, L.L.C."[1]

OAI Corporation (formerly OAI Corporation, LLC)

  • Conversion: "OAI Corporation, LLC converted in September 2023 from a limited liability company to a corporation named OAI Corporation."[1]

Aestas Management Company, LLC (formerly OpenAI Holdings, LP)

  • "AESTAS Management Company, LLC states that it has no parent corporation"[1]
  • Name history from OpenAI email to former employees: "Aestas Management Company, LLC (f/k/a OpenAI Holdings, LP)".[3]

Ownership and Control Relationships

Board of Directors → OpenAI Foundation

  • OpenAI's official structure page describes board governance.[4]
  • Form 990 filings show OpenAI Inc has a board of directors as required for 501(c)(3) organizations.[2]

OpenAI Foundation → OpenAI Group PBC (26% equity stake)

  • "As of the closing of the recapitalization, the OpenAI Foundation holds a 26% equity stake in OpenAI Group, worth approximately $130B based on OpenAI Group's current valuation."[4]
  • Court document confirms subsidiaries: "OpenAI GP, L.L.C. states that it is a subsidiary of OpenAI Group PBC"[1]

OpenAI Group PBC → OpenAI GP, LLC

  • "OpenAI GP, L.L.C. states that it is a subsidiary of OpenAI Group PBC"[1]

OpenAI Group PBC → OpenAI Holdings, LLC

  • "OpenAI Holdings, LLC states that it is a subsidiary of OpenAI Group PBC"[1]

Aestas Management Company, LLC - Top-level entity

  • "AESTAS Management Company, LLC states that it has no parent corporation"[1]

OpenAI GP, LLC → Aestas Management Company, LLC (executive officer, director, promoter)

  • SEC Form D filing states: "Aestas Management Company, LLC's executive officer, director and promoter is OpenAI GP, L.L.C."[5]

Aestas Management Company, LLC → Aestas, LLC

  • "AESTAS LLC states that it is a subsidiary of AESTAS Management Company, LLC"[1]

Investors (employees/former employees) → Aestas Management Company, LLC (equity holders)

  • Email from OpenAI to former employees: "At the time of your departure from OpenAI, you may have held vested units of equity in Aestas Management Company, LLC (f/k/a OpenAI Holdings, LP, the 'Vested Units')."[3]
  • Note: Investors hold equity in Aestas Management Company, not in Aestas LLC directly.

OpenAI Holdings, LLC has multiple members

  • Original complaint states: "On March 17, 2023, OpenAI Holdings, LLC was formed in Delaware, and has multiple members including Aestas, LLC and various individuals".[6]

Aestas, LLC → OpenAI Holdings, LLC (member)

  • Original complaint states: "OpenAI Holdings, LLC...has multiple members including Aestas, LLC".[6]

Investors → OpenAI Holdings, LLC (members)

  • Original complaint states: "OpenAI Holdings, LLC...has multiple members including Aestas, LLC and various individuals".[6]

OpenAI Holdings, LLC → OAI Corporation

  • "OAI Corporation states that it is a subsidiary of OpenAI Holdings, LLC"[1]

OAI Corporation → OpenAI Global, LLC

  • "OpenAI Global, LLC states that it is a subsidiary of OAI Corporation and OpenAI Global HoldCo, Inc."[1]

OpenAI Global HoldCo, Inc. → OpenAI Global, LLC

  • "OpenAI Global, LLC states that it is a subsidiary of OAI Corporation and OpenAI Global HoldCo, Inc."[1]

Microsoft has 10%+ financial interest in OpenAI Global, LLC (approximately 27%)

  • "OpenAI OpCo, L.L.C. states that Microsoft Corporation is a publicly held corporation that has a financial interest in OpenAI Global LLC of 10% or more."[1]
  • "OpenAI L.L.C. further states that it is an indirect subsidiary of OpenAI Global, LLC, and Microsoft Corporation is a publicly held corporation that has a financial interest in OpenAI Global LLC of 10% or more."[1]
  • "Microsoft Corporation is a publicly held corporation that has a financial interest in OpenAI Global, LLC of 10% or more."[1]
  • "As of closing of the recapitalization, Microsoft holds roughly 27% of OpenAI Group"[4]
  • Note: OpenAI Global, LLC is likely subsidiary of OpenAI Group PBC based on structure.

OpenAI Global, LLC → OpenAI OpCo, LLC

  • "OpenAI OpCo, L.L.C. states that it is a subsidiary of OpenAI Global, L.L.C."[1]

OpenAI OpCo, LLC → OpenAI, LLC

  • "OpenAI, L.L.C. states that it is a subsidiary of OpenAI OpCo, L.L.C."[1]

OpenAI, LLC → OpenAI Ireland Ltd.

  • OpenAI Ireland Limited incorporated March 24, 2023, Company Number 737350.[7]
  • EU Terms of Use show OpenAI Ireland Ltd. as service provider to EU users (effective February 15, 2024).[8]
  • German court ruling confirms OpenAI LLC as parent: "GEMA achieves partial victory against OpenAI", Vossius & Partner report on legal proceedings involving OpenAI, LLC and OpenAI Ireland Ltd.[9]

OpenAI, LLC → OpenAI UK Ltd.

  • OPENAI UK LTD registered with Companies House, Company Number 14367667.[10]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure; not explicitly stated in court document.

OpenAI, LLC → OpenAI Japan Ltd.

  • OpenAI announced establishment of Japanese subsidiary in April 2024. Multiple news sources report OpenAI Japan launch.
  • OpenAI Invoice Submission Guidelines list "OAI JAPAN, LTD" as a regional entity.[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure; not explicitly stated in court document.

OpenAI, LLC → Radix Holdings, LLC

  • OpenAI Invoice Submission Guidelines list "Radix Holdings, LLC" (🇺🇸 Limited to lease/rent).[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure and listed as OpenAI entity in official guidelines.

OpenAI, LLC → Summerlight Technologies Ltd.

  • OpenAI Invoice Submission Guidelines list "Summerlight Technologies Ltd." (🇨🇦 Limited to goods and services for Canadian entity).[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure and listed as OpenAI entity in official guidelines.

OpenAI, LLC → OpenAI France, S.A.S.

  • OpenAI Invoice Submission Guidelines list "OpenAI France, S.A.S." (🇫🇷 Limited to goods and services for French entity).[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure and listed as OpenAI entity in official guidelines.

OpenAI, LLC → OAI Ireland Limited

  • OpenAI Invoice Submission Guidelines list "OAI Ireland Limited" (🌏 Limited to goods and services without a local OAI entity).[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure and listed as OpenAI entity in official guidelines.
  • Note: This appears to be a distinct entity from "OpenAI Ireland Ltd." mentioned elsewhere.

OpenAI, LLC → OAI Singapore Pte. Ltd.

  • OpenAI Invoice Submission Guidelines list "OAI SINGAPORE PTE. LTD" (🇸🇬 Limited to goods and services for Singaporean entity).[11]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure and listed as OpenAI entity in official guidelines.

OpenAI, LLC → OpenAI India Pvt Ltd

  • Company registered with India's Ministry of Corporate Affairs.[12]
  • Note: Parent company relationship to OpenAI, LLC inferred from corporate structure.

Stargate Joint Venture

Stargate LLC Ownership Structure

  • OpenAI announcement on January 21, 2025: "Announcing The Stargate Project".[13]
  • SoftBank Group announcement on January 22, 2025.[14]
  • Multiple news sources report ownership structure:
    • SoftBank: 40% ownership, $19 billion commitment (lead financial partner)
    • OpenAI: 40% ownership, $19 billion commitment (lead operational partner)
    • Oracle: ~10% ownership, $7 billion commitment
    • MGX: ~10% ownership, $7 billion commitment

OpenAI (entity TBD) → Stargate LLC (40% ownership)

  • OpenAI is described as equity funder and lead operational partner.[13]
  • Note: Specific OpenAI subsidiary holding the Stargate investment not disclosed in court document.

SoftBank → Stargate LLC (40% ownership)

  • SoftBank described as lead financial partner with 40% ownership and $19B commitment.[14]
  • Note: Specific SoftBank entity structure not disclosed.

Oracle → Stargate LLC (~10% ownership)

  • Oracle listed as one of four initial equity funders.[13]
  • News reports indicate ~$7 billion commitment.

MGX → Stargate LLC (~10% ownership)

  • MGX listed as one of four initial equity funders.[13]
  • News reports indicate ~$7 billion commitment.

SoftBank OpenAI Japan Joint Venture

Joint Venture Announcement

  • Press release dated November 5, 2025: "The SoftBank Group (SoftBank Corp. and SoftBank Group Corp.) and OpenAI Group PBC today announced their joint venture, SB OAI Japan GK ('SB OAI Japan'), launched on November 5, 2025."[15]
  • Note: Entity name is "SB OAI Japan GK" (not "SB OpenAI Japan" as shown in original diagram).

OpenAI Group PBC → SB OAI Japan GK

  • Joint venture between "OpenAI Group PBC" and "SoftBank Group".[15]
  • Note: Specific OpenAI subsidiary structure and ownership percentages not disclosed.

SoftBank Group → SB OAI Japan GK

  • Joint venture between "OpenAI Group PBC" and "SoftBank Group (SoftBank Corp. and SoftBank Group Corp.)".[15]
  • Note: Specific SoftBank entity structure and ownership percentages not disclosed.

Startup Fund Structure

OpenAI Startup Fund GP I, L.L.C. (top level)

  • "OpenAI Startup Fund GP I, L.L.C. states that it has no parent corporation"[1]

OpenAI Startup Fund GP I, L.L.C. → OpenAI Startup Fund Management, LLC

  • "OpenAI Startup Fund Management, LLC states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]

OpenAI Startup Fund GP I, L.L.C. → OpenAI Startup Fund I, L.P.

  • "OpenAI Startup Fund I, L.P. states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]

Microsoft has 10%+ financial interest in OpenAI Startup Fund I, L.P.

  • "Microsoft Corporation has a financial interest in OpenAI Startup Fund I, L.P. of 10% or more."[1]

OpenAI Startup Fund GP I, L.L.C. → OpenAI Startup Fund SPV GP I-VI, L.L.C.

  • "OpenAI Startup Fund SPV GP I, L.L.C. states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]
  • "OpenAI Startup Fund SPV GP II, L.L.C. states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]
  • "OpenAI Startup Fund SPV GP III, L.L.C. states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]
  • "OpenAI Startup Fund SPV GP IV, L.L.C. states that it is a subsidiary of OpenAI Startup Fund GP I, L.L.C."[1]
  • Note: SPV GP V and VI exist based on SEC filings, assumed they have same structure.

OpenAI Startup Fund SPV GP I-VI, L.L.C. manages → OpenAI Startup Fund SPV I-VI, L.P.

  • "OpenAI Startup Fund SPV I, L.P. states that it is a subsidiary of OpenAI Startup Fund SPV GP I, L.L.C."[1]
  • "OpenAI Startup Fund SPV II, L.P. states that it is a subsidiary of OpenAI Startup Fund SPV GP II, L.L.C."[1]
  • "OpenAI Startup Fund SPV III, L.P. states that it is a subsidiary of OpenAI Startup Fund SPV GP III, L.L.C."[1]
  • "OpenAI Startup Fund SPV IV, L.P. states that it is a subsidiary of OpenAI Startup Fund SPV GP IV, L.L.C."[1]
  • Note: SPV GP V and VI exist based on SEC filings, assumed they have same structure.

VC Funds (limited partners) → OpenAI Startup Fund SPV I-VI, L.P.

  • SEC Form D filings indicate these SPVs have limited partners beyond Microsoft:
    • SPV I, L.P. (CIK: 0002003722)[16]
    • SPV II, L.P. (CIK: 0002018704)[17]
    • SPV III, L.P. (CIK: 0002018916)[18]
    • SPV IV, L.P. (CIK: 0002023254)[19]
    • SPV V, L.P. (CIK: 0002044928)[20]
    • SPV VI, L.P. (CIK: 0002079027)[21]

Other OpenAI Entities

OpenAI Infra Holdings

  • Entity registered in Delaware Division of Corporations.[22]
  • Note: Appears in Delaware corporate registry but relationship to other OpenAI entities not disclosed in court documents.
  • Note: Likely related to infrastructure/data center operations based on name, but this is speculation.

References

  1. a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac Supplemental and Amended Rule 7.1 Corporate Disclosure Statement, Case No. 4:24-cv-04722-YGR (Musk v. Altman), Document 349, Filed November 5, 2025, Page 2, Line 11. Available at: https://www.courtlistener.com/docket/69013420/349/musk-v-altman/
  2. a b IRS Form 990 filings for OpenAI Inc (EIN: 81-0861541). Available via ProPublica Nonprofit Explorer: https://projects.propublica.org/nonprofits/organizations/810861541
  3. a b Email from OpenAI to former employees regarding equity holdings, cited via Andrew Carr on Twitter/X: https://x.com/andrew_n_carr/status/1793773522432753854
  4. a b c OpenAI Official Website - Our Structure page. Available at: https://openai.com/our-structure/
  5. SEC Form D filing for Aestas Management Company, LLC, CIK: 0001966692. Available at: https://www.sec.gov/Archives/edgar/data/1966692/000131586323000474/xslFormDX01/primary_doc.xml
  6. a b c Original Complaint in Musk v. Altman, Case No. 4:24-cv-04722-YGR, Document 1. Available at: https://www.courtlistener.com/docket/69013420/1/musk-v-altman/
  7. Irish company registration records. Available via SoloCheck.ie: https://www.solocheck.ie/Irish-Company/Openai-Ireland-Limited-737350
  8. OpenAI EU Terms of Use. Available at: https://openai.com/policies/eu-terms-of-use/
  9. Vossius & Partner: GEMA achieves partial victory against OpenAI. Available at: https://www.vossius.eu/en/news/detail/gema-achieves-partial-victory-against-openai
  10. UK company registration records (Companies House). Available at: https://find-and-update.company-information.service.gov.uk/company/14367667
  11. a b c d e f OpenAI Invoice Submission Guidelines. Available at: https://openai.com/en-GB/policies/invoice-submission-guidelines/
  12. India Ministry of Corporate Affairs - Company Master Data. Available at: https://www.mca.gov.in/content/mca/global/en/mca/master-data/MDS/company-master-info.html
  13. a b c d OpenAI announcement: Announcing The Stargate Project. January 21, 2025. Available at: https://openai.com/index/announcing-the-stargate-project/
  14. a b SoftBank Group Press Release. January 22, 2025. Available at: https://group.softbank/en/news/press/20250122
  15. a b c SoftBank Group Press Release. November 5, 2025. Available at: https://group.softbank/en/news/press/20251105
  16. SEC Form D for OpenAI Startup Fund SPV I, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2003722/000200372224000001/xslFormDX01/primary_doc.xml
  17. SEC Form D for OpenAI Startup Fund SPV II, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2018704/000201870424000003/xslFormDX01/primary_doc.xml
  18. SEC Form D for OpenAI Startup Fund SPV III, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2018916/000201891624000001/xslFormDX01/primary_doc.xml
  19. SEC Form D for OpenAI Startup Fund SPV IV, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2023254/000202325425000001/xslFormDX01/primary_doc.xml
  20. SEC Form D for OpenAI Startup Fund SPV V, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2044928/000204492824000001/xslFormDX01/primary_doc.xml
  21. SEC Form D for OpenAI Startup Fund SPV VI, L.P. Available at: https://www.sec.gov/Archives/edgar/data/2079027/000207902725000001/xslFormDX01/primary_doc.xml
  22. Delaware Division of Corporations entity search. Available at: https://icis.corp.delaware.gov/ecorp/entitysearch/NameSearch.aspx


Diagram source file

This diagram is created from the following Mermaid code. If updating this diagram, please update this code.

flowchart TB
    BD["Board of Directors"]:::board
    OAICharity["OpenAI Foundation<br/>(formerly OpenAI, Inc.)"]:::entity
    OAIGroupPBC["OpenAI Group PBC"]:::entity
    OAIGP["OpenAI GP, LLC"]:::entity
    OAIHoldings["OpenAI Holdings, LLC"]:::entity
    AestasLLC["Aestas, LLC"]:::entity
    AestasMgmtCo["Aestas Management<br/>Company, LLC<br/>(f/k/a OpenAI Holdings, LP)"]:::entity
    OAICorp["OAI Corporation<br/>(formerly OAI Corporation, LLC)"]:::entity
    OpenAIGlobalHoldCo["OpenAI Global HoldCo, Inc."]:::entity
    OpenAIGlobal["OpenAI Global, LLC<br/>(Capped Profit Company)"]:::entity
    IAE["Investors"]:::external
    IOH["Investors"]:::external
    MS["Microsoft"]:::external

    OAIOpCo["OpenAI OpCo, LLC<br/>(formerly OpenAI L.P.)"]:::opco
    OAILLC["OpenAI, LLC"]:::opco

    OAI_Ireland["OpenAI Ireland Ltd."]:::intl
    OAI_UK["OpenAI UK Ltd."]:::intl
    OAI_Japan["OpenAI Japan Ltd."]:::intl

    StartupFundGP1["OpenAI Startup Fund<br/>GP I, L.L.C."]:::fund
    StartupFundLP1["OpenAI Startup Fund<br/>I, L.P."]:::fund
    SPVGP["OpenAI Startup Fund<br/>SPV GP I‑VI, L.L.C."]:::fund
    SPVLP["OpenAI Startup Fund<br/>SPV I‑VI, L.P."]:::fund
    StartupFundMgmt["OpenAI Startup Fund<br/>Management, LLC"]:::fund
    VCFunds["VC Funds"]:::external

    SBOpenAI_Japan["SB OAI Japan GK"]:::jv
    SB["SoftBank Group"]:::external

    OAIInfraHoldings["OpenAI Infra Holdings"]:::unknown
    Oracle["Oracle"]:::external
    MGX["MGX"]:::external
    StargateLLC["Stargate LLC"]:::jv

    BD -->|"controls"| OAICharity
    OAICharity -->|"owns"| OAIGroupPBC
    OAIGroupPBC -->|"owns"| OAIGP
    OAIGroupPBC -->|"owns"| OAIHoldings
    OAIGroupPBC -.->|"unconfirmed"| OAIInfraHoldings
    OAIGP -->|"executive officer,<br/>director, promoter"| AestasMgmtCo
    AestasMgmtCo -->|"owns"| AestasLLC
    IAE -->|"owns"| AestasMgmtCo
    IOH -->|"owns"| OAIHoldings
    AestasLLC -->|"owns"| OAIHoldings
    OAIHoldings -->|"owns"| OAICorp
    OAICorp -->|"owns"| OpenAIGlobal
    OpenAIGlobalHoldCo -->|"owns"| OpenAIGlobal
    MS -->|"has 10%+ financial interest in"| OpenAIGlobal
    OpenAIGlobal -->|"owns"| OAIOpCo
    OAIOpCo -->|"owns"| OAILLC

    OAILLC -->|"owns"| OAI_Ireland
    OAILLC -->|"owns"| OAI_UK
    OAILLC -->|"owns"| OAI_Japan

    OAIGroupPBC -->|"50% ownership"| SBOpenAI_Japan
    SB -->|"50% ownership"| SBOpenAI_Japan

    SB -->|"40% ownership"| StargateLLC
    OAIInfraHoldings -.->|"unconfirmed 40% ownership"| StargateLLC
    Oracle -->|"~10% ownership"| StargateLLC
    MGX -->|"~10% ownership"| StargateLLC

    MS -->|"has 10%+ financial interest in"| StartupFundLP1
    StartupFundGP1 -->|"owns"| StartupFundLP1
    StartupFundGP1 -->|"owns"| StartupFundMgmt
    StartupFundGP1 -->|"owns"| SPVGP
    SPVGP -->|"manages"| SPVLP
    VCFunds -->|"invest in"| SPVLP

    classDef entity   fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef board    fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef opco     fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef intl     fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef jv       fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef fund     fill:#FFFFFF,stroke:#000,stroke-width:1px,color:#000
    classDef external fill:#FFFFFF,stroke:#ccc,stroke-width:1px,color:#888
    classDef unknown  fill:#FFFFFF,stroke:#000,stroke-width:1px,stroke-dasharray:5 5,color:#000

Process:

  1. Export the mermaid to a PDF with: npx -p @mermaid-js/mermaid-cli mmdc --pdfFit -i input.mermaid -o output.pdf -t neutral -b transparent
  2. Open the PDF with Inkscape, using the internal import option. Then save the file as an SVG.
  3. Pass the SVG through SVGO, with SVGOMG or the CLI

(Steps 1 and 2 are needed to workaround an issue with Mermaid's SVG export functionality - see mermaid issues #2102, #2485 and #2688)

Captions

A corporate organizational chart for OpenAI showing ownership and control structures. The diagram uses rectangular boxes to represent corporate entities connected by directional arrows labeled with relationship types.

21 April 2025

File history

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Date/TimeThumbnailDimensionsUserComment
current18:17, 6 November 2025Thumbnail for version as of 18:17, 6 November 2025512 × 361 (125 KB)DomdomeggAdd more regional entities
17:48, 6 November 2025Thumbnail for version as of 17:48, 6 November 2025600 × 589 (100 KB)DomdomeggUpdate for 2025 structure changes
13:55, 21 April 2025Thumbnail for version as of 13:55, 21 April 2025512 × 450 (123 KB)DomdomeggUploaded own work with UploadWizard

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