Failure rates are high for VC-backed companies, and corporate-backed startups are not exempt. But which have been the biggest recent flops that left corporate investors licking their wounds?

A Japan-based university spinout is exploring a sound and touch treatment for dementia.

The German chemicals producer — already an investor in China and Singapore —  wants early access to disruptive Japanese deeptech startups.

NCSoft invested $15m in Mysten Labs to take the latter’s series B round to $300m while Porsche backed Xanadu’s $100m series C.

Suzano and Yara participated in Agrolend’s $145m latest round while Xencor contributed to Zenas BioPharma’s $118m series B.

Xiaomi provided $68.9m in series C funding for Atech Automotive while Intel and Micron were part of Eliyan’s $40m series A round.

Cable One provided $50m for Ziply Fiber while Mercuria co-led a series C round the same size for The Mobility House.

Paragon Biosciences was part of Emalex Biosciences’ $250m series D while CMA CGM and AP Moller participated in an $80m round for Project44.

Databricks, Dell, HPE and Salesforce were all part of Alation’s $123m series E round while Alphabet took part in AMP Robotics’ $91m series C.

Sumitomo Corporation of Americas took part in ColdQuanta’s $100m series B round while Tesi provided $31.6m in series B funding for VoltAero.