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Private company

Pertento Partners LLP

Last updated Oct 21, 2026.

Overview

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Corporate structure

Pertento Partners LLP sits at the top of its group. 9 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Pertento Partners LLP

  • Ian Westbrook Trundle Owns 5% to 10% of Pertento Partners LLP, since 04/2021 (Form ADV)
  • Eduardo De Castro Magajhaes Marques Owns 75% or more of Pertento Partners LLP, since 02/2021 (Form ADV)

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (8 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

Pertento Partners LLP 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.

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).

  • Eduardo De Castro Magajhaes Marquesowns 75% or more, since 02/2021
  • Ian Westbrook Trundleowns 5% to 10%, since 04/2021

Filings

26 filings to the SEC since October 2021: 26 other. The latest 20:

  1. Aug 21, 2026N-PX EDGAR
  2. Aug 13, 202613F-HR EDGAR
  3. May 14, 202613F-HR EDGAR
  4. Feb 17, 202613F-HR EDGAR
  5. Nov 13, 202513F-HR EDGAR
  6. Aug 27, 2025N-PX EDGAR
  7. Aug 13, 202513F-HR EDGAR
  8. May 14, 202513F-HR EDGAR
  9. Feb 12, 202513F-HR EDGAR
  10. Nov 15, 202413F-HR/A EDGAR
  11. Nov 15, 202413F-HR/A EDGAR
  12. Nov 15, 202413F-HR/A EDGAR
  13. Nov 13, 202413F-HR EDGAR
  14. Aug 28, 2024N-PX EDGAR
  15. Aug 13, 202413F-HR EDGAR
  16. May 14, 202413F-HR EDGAR
  17. Feb 8, 202413F-HR EDGAR
  18. Nov 13, 202313F-HR EDGAR
  19. Aug 11, 202313F-HR EDGAR
  20. May 12, 202313F-HR EDGAR

The 26 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

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

Stakes it holds

Pertento Partners LLP has told the SEC it owns more than 5% of 8 companies, 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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