/Investor DB

Walden Catalyst — 2025 Investments

6 investments dated 2025 · listed companies and verified rows first · show all

Amperesandamperesand.ioSeries A · Nov 2025 · $80M

Amperesand manufactures medium voltage solid-state transformers for critical power infrastructure, enabling faster deployment of power systems for AI data centers and industrial applications.

Deep TechEnergyHardware

Brian Dow(Chief Executive Officer)inTommy Joyner(Sr. VP of Engineering)inMarc Bouchet(Chief of Staff)inAndrey Reznik(Chief Financial Officer)

Co-investorsFoothill VenturesMaterial ImpactTDK VenturesXoraXora Innovation Pte Ltd

Ati Motorsatimotors.comin𝕏Jan 2025 · $20M

Ati Robotics builds factory-hardened autonomous mobile robots (AMRs) and an AI-driven orchestration platform (Ati Flow/Ativerse) that coordinates material movement on manufacturing floors and integrates with ERP and MES systems.

Advanced ManufacturingIoTRoboticsRochester Hills, US

Saurabh Chandra(Founder)inNaresh Kumar(Founder)Naveen Arjun(Founder)Saad Nasser(Founder)Vinay Raghuram(Founder)Vinay Raj Somashekar(Founder)

Co-investorsAthera Venture PartnersExfinity VenturesMFV PartnersNGP CapitalBlume VenturesTrue Ventures

Empowerempowersemi.cominSep 2025 · $140MAcquired

Empower Semiconductor designs power management and mixed-signal integrated circuits, including high-power and voltage regulation devices for the semiconductor industry.

AI & Machine LearningDeep TechHardwareSemiconductors

Tim Phillips(Chief Executive Officer & President, Founder)inGene Sheridan(Founder)inTrey Roessig(Chief Technology Officer & SVP Engineering)Kurt Redfield(Chief Financial Officer & Treasurer)

Co-investorsArcherman CapitalCapitalGMESHRaptor GroupSamsung Catalyst FundSocratic Partners+8 more

Empowerempowercultura.esinSep 2025 · $140M

Empowercultural provides cultural accessibility solutions for museums, art centers, and cultural institutions, with a focus on ensuring people with autism and other needs can participate in cultural experiences without barriers.

EdTechImpact & Social GoodMadrid, ES

Co-investorsShip2BAtreides ManagementBlisceCapitalGCommunity Investment ManagementFidelity Investments+6 more

Luoluopay.coOct 2025 · $140M

Luo builds financial infrastructure that lets businesses in emerging markets send cross-border payments to the rest of the world with more speed, transparency, and reliability.

Enterprise SoftwareFintechParis, FR

Hamza Benkirane(CEO)inMorgan Wirtz(CPO)in

Co-investorsDFS Lab FrontierEntrepreneur FirstMaC Venture CapitalProtagonistSamos InvestmentsTranspose Platform Management+7 more

Virtuevirtue.ioinApr 2025 · $30M

FintechSan Francisco, US

Co-investorsLightspeed Venture PartnersTechstarsTomorrow Today AS

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.