CoolSem Technologies secures pre-seed funding led by High-Tech Gründerfonds for its thermal management platform, WaLTIS, aiming to boost chip efficiency and reduce energy waste.
Round Type
Pre-Seed
EindhovenManufacturingEnergyRenewable EnergyInvestors
Description
CoolSem Technologies, a pioneer in semiconductor thermal management, closed its pre-seed financing round. The investment, led by High-Tech Gründerfonds, will help demonstrate their WaLTIS technology to early customers. The company focuses on reducing energy waste and improving semiconductor performance. Their innovative solution supports a greener semiconductor industry.
Quick answer
CoolSem Technologies raised an undisclosed amount in a Pre-Seed round, dated January 19, 2026. Investors: Kbc Focus Fund NV, Ttt Green Tech B.V., Brabant Development Agency (Bom) and High Tech Gründerfonds. CoolSem Technologies is based in Eindhoven, North Brabant, Netherlands.
- How much did CoolSem Technologies raise?
- CoolSem Technologies raised an undisclosed amount in a Pre-Seed round on January 19, 2026.
- Who invested in CoolSem Technologies?
- Kbc Focus Fund NV, Ttt Green Tech B.V., Brabant Development Agency (Bom) and High Tech Gründerfonds are named as investors in this round.
- What does CoolSem Technologies do?
- CoolSem Technologies is a pioneer in semiconductor thermal management, offering a platform called WaLTIS, which significantly improves thermal management for chips.
- Where is CoolSem Technologies based and how big is it?
- CoolSem Technologies is based in Eindhoven, North Brabant, Netherlands.
- Who are the decision-makers at CoolSem Technologies?
- Fundz holds 1 contact at CoolSem Technologies. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as CoolSem Technologies that raised within 45 days of this round, from Fundz verified event records.
- RIFT raised $97M (Series B) on March 3, 2026.
- Birchtech raised $13M (Post-IPO Equity) on February 27, 2026.
- SHINE raised $240M (Funding Round) on February 26, 2026.
- Ideal Power raised $12M (Post-IPO Equity) on February 25, 2026.
- Hycosys raised $1M (Seed) on February 23, 2026.
- International Battery Metals raised $2M (Seed) on February 23, 2026.
Who to call at CoolSem Technologies, and when
A new round usually means CoolSem Technologies is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day CoolSem Technologies raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at CoolSem Technologies, from your own LinkedIn network
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