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Porticus Foundation

Sustainability foundation of the Brenninkmeijer family
Organization nonprofit_organization Q123018844
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Porticus Foundation

Summary

Porticus Foundation is a nonprofit organization[1].

Key Facts

  • Porticus Foundation was a member of C40 Cities Climate Leadership Group[2].
  • Porticus Foundation was a member of Philanthropy Europe Association[3].
  • Porticus Foundation is in the country of Kingdom of the Netherlands[4].
  • Porticus Foundation's instance of is recorded as nonprofit organization[5].
  • Porticus Foundation's instance of is recorded as commandite company[6].
  • Porticus Foundation's founder is recorded as Brenninkmeijer family[7].
  • Porticus Foundation's headquarters location is recorded as Amsterdam[8].
  • Porticus Foundation's chief executive officer is recorded as Melanie Maas Geesteranus[9].
  • 1995 marks the founding of Porticus Foundation[10].
  • Porticus Foundation's legal form is recorded as Kommanditgesellschaft[11].
  • Porticus Foundation's funder is recorded as Q5412382[12].
  • Porticus Foundation's funder is recorded as C40 Cities Climate Leadership Group[13].

Body

Founding

Porticus Foundation's founder is recorded as Brenninkmeijer family[7]. 1995 marks the founding of it[10].

Leadership

Porticus Foundation's chief executive officer is recorded as Melanie Maas Geesteranus[9].

Operations

Porticus Foundation's headquarters location is recorded as Amsterdam[8].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . porticus.com. porticus.com. Provenance: wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . porticus.com. porticus.com. Provenance: wikidata.org.
  6. [9] ↑ . porticus.com. Retrieved . porticus.com. Provenance: wikidata.org.
  7. [2] ↑ . c40.org. Retrieved . c40.org. Provenance: wikidata.org.
  8. [3] ↑ . wikidata.org.
  9. [10] ↑ . porticus.com. porticus.com. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Porticus Foundation. Retrieved May 3, 2026, from https://4ort.xyz/entity/porticus-foundation
MLA “Porticus Foundation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/porticus-foundation.
BibTeX @misc{4ortxyz_porticus-foundation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Porticus Foundation}}, year = {2026}, url = {https://4ort.xyz/entity/porticus-foundation}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Porticus Foundation — https://4ort.xyz/entity/porticus-foundation (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · ArthurPSmith · 2026-06-24 view diff on Wikidata ↗
    Instance of → nonprofit organization, commandite company
    Chief executive officer → Melanie Maas Geesteranus
    Factgrid item id → Q1758785
    Wikidata description → Sustainability foundation of the Brenninkmeijer family
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/38130|batch #38130]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.