bound4blue

Raised $44M in a Series B round, announced 9 December 2025.

Total raised
$44M

Latest round Series BCountry SpainSector Climate & Energy

Round

$44MSeries B, 9 December 2025

Round co-led by OCTAVE Capital and Katapult Ocean to industrialize suction sail production in Spain and China and expand R&D.

Amount
$44M
Stage
Series B
Announced
9 December 2025
Lead
OCTAVE Capital
Other investors
Katapult Ocean, Motion Ventures, Odfjell Family Office, ReOcean Fund, Shift4Good, GTT Strategic Ventures, KAI Capital, CDTI (Innvierte)
Use of funds
Round co-led by OCTAVE Capital and Katapult Ocean to industrialize suction sail production in Spain and China and expand R&D.
Checked
Amount and date matched across 2 press sources
Sources
bound4blue raises $44M (37.8M euros) for wind-assisted ship propulsion hellenicshippingnews.com
bound4blue raises $44M (37.8M euros) for wind-assisted ship propulsion elreferente.es
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Company

Makes suction sails that cut ship fuel use with wind propulsion

Based in
Barcelona, Spain
Sector
Climate & Energy
Website
bound4blue.com ↗

Links

Website
bound4blue.com ↗

Questions

How much has bound4blue raised?

bound4blue raised $44M in a Series B round, announced on 9 December 2025.

Who invested in bound4blue?

OCTAVE Capital led. Investors include OCTAVE Capital, Katapult Ocean, Motion Ventures, Odfjell Family Office, ReOcean Fund and Shift4Good.