Quadrangle Group

American private investment firm focused on private equity

Wikipedia-confirmed identity. Matched to Wikidata Q7268315 ↗ with a Wikipedia article ↗. Checked 2026-10-02.

This identity was added through Wikidata. Article mentions and historical relationships retain separate evidence.

website ↗Wikidata ↗Wikipedia ↗Sigh on disappointed.us ↗

American private investment firm focused on private equity

Funding events

Financing records can exist before investors are identified. Source reports retain their date basis, amount scope, and review status.

Browse 0 reported financing events ↗

Organizations and connections

Affiliations retain their dates and sources. Roles may be historical; a missing end date does not establish a current role. Machine classifications need review; a co-mention alone does not establish a relationship.

Joshua Steiner→Quadrangle Group
Founded
foundedDates not recordedWikidata statement
- Wikidata: Quadrangle Group ↗Wikidata · P112 · Statement q7268315$E727FCBF-447F-4BB6-90CE-C91B3421425D1 reference record retained in the source statement
- Wikidata: Quadrangle Group ↗Wikidata
Steven Rattner→Quadrangle Group
Works or worked for
employed by2000–2009Wikidata statement
- Wikidata: Steven Rattner ↗Wikidata · P108 · Statement Q932554$C598887B-4C93-4DA9-8DD0-04F950CFD4CC1 reference record retained in the source statement
- Wikidata: Steven Rattner ↗Wikidata
Steven Rattner→Quadrangle Group
Founded
foundedDates not recordedWikidata statement
- Wikidata: Quadrangle Group ↗Wikidata · P112 · Statement q7268315$30E5E321-D392-4745-9642-AF91CF02C99B1 reference record retained in the source statement
- Wikidata: Quadrangle Group ↗Wikidata