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Private company

MAINSAIL MANAGEMENT COMPANY, LLC

American company, incorporated in Delaware. Summary from the record

Last updated Oct 21, 2026.

Overview

  • HeadquartersDE1

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Corporate structure

MAINSAIL MANAGEMENT COMPANY, LLC is part of a group headed by Mainsail Management Company Holdings, LLC. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Mainsail Management Company Holdings, LLC
    • MAINSAIL MANAGEMENT COMPANY, LLC DE

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (1 companies); owners and owned firms from Form ADV, the registration investment advisers file with the SEC. Each entity in the chart links to its source.

Investment adviser

MAINSAIL MANAGEMENT COMPANY, LLC is registered with the SEC as an investment adviser. This is what it reports on Form ADV, the registration every adviser files and keeps current.

  • Assets it manages$4.0B2 14 accounts, all with discretion
  • Employees81 28 in investment advice or research
  • ClientsPooled investment vehicles (other than investment companies and: 14 ($4.0B)
  • How it is paidA percentage of assets under its management; Performance-based fees
  • What it doesPortfolio management for pooled investment vehicles (other than investment companies)
  • Holds client assetsYes: cash and securities
  • RegistrationSEC 801-73647, CRD 157775 IAPD record

Who owns it

Owners of 5% or more as the firm lists them (Schedule A), and the owners of those owners up the chain (Schedule B).

  • MAINSAIL MANAGEMENT COMPANY HOLDINGS, LLCowns 75% or more, since 08/2022

Filings

16 filings to the SEC since October 2021: 16 other. The latest 16:

  1. Jul 31, 2026N-PX EDGAR
  2. Nov 6, 202513F-HR EDGAR
  3. Aug 22, 2025N-PX EDGAR
  4. Aug 4, 202513F-HR EDGAR
  5. May 13, 202513F-HR EDGAR
  6. May 13, 202513F-HR/A EDGAR
  7. Feb 13, 202513F-HR EDGAR
  8. Nov 13, 202413F-HR EDGAR
  9. Aug 20, 2024N-PX EDGAR
  10. Aug 12, 202413F-HR EDGAR
  11. May 7, 202413F-HR EDGAR
  12. Feb 12, 202413F-HR EDGAR
  13. Nov 7, 202313F-HR EDGAR
  14. Aug 14, 202313F-HR EDGAR
  15. May 12, 202313F-HR EDGAR
  16. Feb 14, 202313F-HR EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Stakes it holds

MAINSAIL MANAGEMENT COMPANY, LLC has told the SEC it owns more than 5% of 1 company, latest first (Schedules 13D and 13G).

Sources

The numbers on this page point here. Each one links to the record it came from.

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