/Investor DB

3i Group — Full Portfolio

90 tracked investments · listed companies and verified rows first

Regional Railregional-rail.com✓ verified

Effingham Railroad operates a short regional rail line in Illinois, providing freight storage, transload services, and rail interchange connections with major carriers CSXT and CN.

Logistics & Supply ChainMobility & TransportationKennett Square, US

Alfred M Sauer(President, Chief Executive Officer and Board Member)

BoardRobert C Parker(Director and Board Member)

Co-investorsLevine Leichtman

Scandlinesscandlines.comin✓ verified

Scandlines operates short-distance ferry routes between Germany and Denmark, transporting passengers, vehicles, and freight while offering onboard catering and retail services.

Logistics & Supply ChainMobility & TransportationTravel & HospitalityCopenhagen, DE

Eric Auguste Grégoire(CEO)Mikael Koch Jensen(CFO)inMichael Guldmann Petersen(COO)in

Co-investorsACP

Actionnetworkactionnetwork.comAcquired

US sports betting media and app company offering odds, picks, analysis and bet tracking; owned by Better Collective since 2021.

Co-investorsHellman & FriedmanRSE VenturesThe Chernin Group (TCG Crypto)

AESSEALaesseal.com

AESSEAL designs and manufactures mechanical seals, seal support systems, and bearing protectors used in pumps and rotating equipment to prevent liquids and gases from escaping.

Advanced ManufacturingHardware

Amwasteamwasteusa.comin

Amwaste is a waste management and recycling company serving residential, commercial, industrial, and municipal customers across Alabama, Georgia, and Louisiana.

Circular EconomyCleantechBirmingham, US

ATESTEOatesteo.comin

ATESTEO is a drivetrain testing specialist that tests transmissions and complete drivetrains for automotive developers, covering electric, hybrid, and combustion powertrains on over 200 test benches worldwide, as well as on test tracks and roads.

Advanced ManufacturingHardwareMobility & Transportation

Basic-Fitbasic-fit.com

Basic-Fit operates a chain of fitness gyms across several European countries.

ConsumerSports TechWellness & Fitness

BoConceptboconcept.com

BoConcept is a Danish furniture and interior design brand offering home furnishings and décor with a modern Danish design aesthetic.

ConsumerE-commerce

Cirtec Medical, LLCcirtecmed.com

Cirtec Medical is a design-to-market partner that helps medical device innovators develop, prototype, and commercialize complex Class II and III medical devices.

Advanced ManufacturingDeep TechHardwareHealthtechMedical DevicesBrooklyn Park, US

Co-investorsCentury Park Capital Partners

Dynatect Manufacturingdynatect.comin

Dynatect manufactures automated machine safety roll-up doors designed to isolate hazardous industrial operations while maintaining production efficiency.

Advanced ManufacturingHardwareIoTNew MaterialsNew Berlin, US

Gerald O'Rourke

EC Wasteecwaste.comin

EC Waste provides integrated solid waste management services including collection, transfer, hauling, and disposal across Puerto Rico.

Circular EconomyCleantechImpact & Social GoodLogistics & Supply ChainHumacao, PR

Elementelement.comin

Element Materials Technology provides materials testing, product qualification, and assurance services for customers in aerospace, space, defense, and energy sectors.

Advanced ManufacturingDeep TechDefense TechEnterprise SoftwareMedical DevicesNew Materials

Rick Sluiters(CEO of Element Aero, Space & Defense)

Co-investorsForesite CapitalMetaplanetProtocol LabsT. Rowe PriceVenrock

Eleniaelenia.fi

Elenia operates and builds electricity distribution networks to ensure reliable power supply, and provides related network and energy services and customer support.

Energy

Co-investorsCapMan

ESP Utilities Groupespug.comin𝕏

ESP Water provides infrastructure consulting and adoption support for water utilities, helping clients plan and implement network solutions across water, electricity, gas, EV charging, and district heating systems.

CleantechConstruction TechEnergyEnterprise SoftwarePropTech

ESVAGTesvagt.com

Danish company supporting offshore wind and oil and gas industries with specialised services.

Co-investorsInfraBridge

Evernexevernex.comin𝕏

Evernex is a global IT lifecycle services provider that maintains and monitors data center equipment while extending its operational life to reduce e-waste.

Circular EconomyCloud ComputingCybersecurityData & InfrastructureEnterprise SoftwareHardwareCourbevoie, FR

Stanislas Pilot(President & CEO)in

Eversholt Raileversholtrail.co.uk

Eversholt Rail is associated with Eversholt Funding PLC, which issues debt securities under a debt issuance programme in the United Kingdom.

Fabrikfabrik.spacein𝕏May 2007 · $25M

Fabrik provides a digital twin platform accessible via browser on any device and form factor that aggregates data from CAD models, GIS, time-series sensors, and operational knowledge to help teams visualize and make decisions about critical systems.

Advanced ManufacturingCloud ComputingData & InfrastructureDeep TechEnterprise SoftwareIoTPropTechSaaS

Co-investorsSucSEED IndovationIntel Capital

Future Biogasfuturebiogas.comin𝕏

FutureBiogas develops biomethane production technology that converts organic waste into renewable gas for direct injection into existing natural gas infrastructure.

Circular EconomyCleantechClimate TechEnergyUnited Kingdom, GB

GANTgant.comin𝕏

GANT is an apparel brand offering men's and women's clothing collections, including a collaboration line with Yale University.

ConsumerDirect to ConsumerE-commerce

Havea Grouphavea.comin

Havea Group develops natural and organic health and wellness products sold to consumers through its portfolio of brands.

ConsumerHealthtechWellness & Fitness

Nicolas Brodetskyin

Co-investorsBC Partners

Hyvahyva.comin𝕏

Hyva manufactures hydraulic tipping systems and components for commercial vehicles, particularly tipper trucks.

Advanced ManufacturingConstruction TechHardwareLogistics & Supply Chain

Infinisinfinis.com

Infinis is an independent power producer in the UK that develops and operates energy infrastructure generating electricity from captured landfill and mine methane and solar, supported by battery storage and grid balancing assets.

CleantechClimate TechEnergy

Ionisosionisos.comin

IONISOS provides sterilization and decontamination services using ionizing radiation (gamma, e-beam, X-ray) and ethylene oxide gas, as well as plastic material enhancement via cross-linking.

Advanced ManufacturingMedical DevicesNew Materials

Co-investorsAgilitas Private EquityAndera Partners

Magnitudemagnitude.com𝕏

Magnitude provides data connectivity and integration solutions for enterprise organizations, enabling them to connect and analyze data across cloud applications, data warehouses, ERP systems, and other platforms.

Cloud ComputingData & InfrastructureEnterprise Software

Co-investorsRaptor GroupBallistic Ventures

Maitmait-group.cominAug 2021

MAIT is an IT services group offering manufacturer solutions and in-house developments in PLM and ERP, professional services, sovereign cloud and IT connectivity, and managed services to support a company's digitalization strategy.

Advanced ManufacturingCloud ComputingEnterprise SoftwareSaaS

Co-investorsDBAGDeutsche Beteiligungs AG

Maybornmayborngroup.comin

Mayborn Group designs and manufactures baby care and parenting products, including bottles, sterilizers, soothers, sleep aids, and formula feed makers for parents.

ConsumerHealthtechLondon, GB

steve parkininStone Shiin

Mepalmepal.com𝕏

Mepal designs and sells household products such as leakproof storage boxes, lunch boxes with bento trays, drinking cups, pop-up bottles, and insulated travel mugs for everyday use at home, school, and on the go.

Circular EconomyConsumerE-commerce

Metastormmetastorm.com

Business Process Management systems platform.

Co-investorsABS Capital PartnersColle Capital PartnersW Capital Partners

Mold Mastersmoldmasters.comin

Mold-Masters manufactures hot runner systems and temperature controllers for plastic injection molding, serving manufacturers in the plastics and automotive industries.

Advanced ManufacturingEnterprise SoftwareHardwareNew MaterialsCincinnati, US

Jobst GellertWaltraud GellertHans Hagelstein(Global President)inJim Barrett(Vice President, Americas)inArmin Traby(Vice President, Europe)inDavid Yang(President, Asia)in

nexeyenexeye.comin

Nexeye is a European optical retail leader operating multiple brands including eyes + more, Hans Anders, and Direkt Optik, providing eye and hearing care services through an omnichannel platform of over 760 stores.

ConsumerHealthtechRetail Tech

Bart van den Nieuwenhofin

NORMAnormagroup.comin

NORMA Group manufactures joining and connection technology used across automotive, marine, aircraft, energy, infrastructure, machinery, pharma, agriculture, white goods, and building applications.

Advanced ManufacturingHardwareNew MaterialsMaintal, DE

Nutergiagroupenutergia.comin𝕏

Groupe Nutergia is a French laboratory that designs, manufactures, and packages micronutrition dietary supplements, including product lines for athletes, children, menopause, pets, and sleep.

ConsumerHealthtechWellness & Fitness

OMS Prüfserviceoms-pruefservice.de

OMS Prüfservice performs electrical safety inspections of equipment, machines, and installations under German DGUV Vorschrift 3, DIN, and VDE standards, offering digital documentation and audit-ready records.

Advanced ManufacturingEnterprise SoftwareSaaS

Royal Sandersroyalsanders.com

Royal Sanders operates large-scale production facilities specializing in manufacturing consumer products across liquids, aerosols, flammable products, and oral care categories.

Advanced ManufacturingConsumerHealthtech

Co-investorsEgeria

SaniSuresanisure.comin

SaniSure develops Mixed4Sure, a single-use mixing platform for small-volume biopharmaceutical processing that handles volumes from 50 mL to 20 L with reduced shear forces and lower capital costs than traditional stainless-steel systems.

Advanced ManufacturingBiotechHealthtechMedical Devices

Steven Chevillotte(Chief Executive Officer)in

Smarte Cartesmartecarte.comin

Smarte Carte manufactures and operates self-service luggage cart kiosks and related solutions in travel and leisure venues such as airports, rail stations, bus terminals, theme parks, and retail centers globally.

HardwareIoTMobility & TransportationRetail TechTravel & Hospitality

Drew Niemeyer(Chief Executive Officer)inScott Warren(Chief Financial Officer)inThor Osteboe(Chief Operations Officer)inSteven Wagner(Chief Commercial Officer)inGreg Schultz(Chief Legal Officer)inAnise Grajeda(Senior Director, Human Resources)in

Co-investorsBlack Diamond Capital Management

SRL Traffic Systemssrl.co.ukin𝕏

SRL Traffic Systems Limited supplies the UK's largest fleet of portable and temporary traffic signals, including pedestrian signals, variable message signs, CCTV systems, and safety barriers for roadworks and traffic management.

Advanced ManufacturingConstruction TechEnterprise SoftwareHardwareIoTLogistics & Supply ChainMobility & TransportationWinsford, GB

Co-investorsLDCCrescent Capital

Tampnettampnet.comin𝕏

Tampnet operates the world's largest offshore high-capacity communication network in the North Sea and Gulf of Mexico, serving oil & gas, wind energy, maritime, and carrier sectors with telecommunications services.

Cloud ComputingEnergyHardwareIoTStavanger, NO

Elie Hannain

Co-investorsATPHitecVision Advisory AS

Trescaltrescal.comin

Trescal provides calibration services for test and measuring equipment across multiple industries.

Advanced ManufacturingEnterprise SoftwareHardwareIoT

Guillaume Caroit(CEO)inMarie-Zoé Beaugrand(Deputy CEO)inPierre-Dominique Bonzon(Chief Financial Officer, M&A Director)inArnaud Dias(Chief Commercial Officer)inFederico Levenson(Chief Operations Officer, Latin America General Manager)inYan Noblot(Chief Digital Information Officer)in

Co-investorsOMERS Private Equity Inc.

Wireless Infrastructure Groupwirelessinfrastructure.comin

A wireless infrastructure company that designs, builds, and maintains tower sites and indoor installations to deliver mobile connectivity for telecom operators and their end users.

Enterprise SoftwareHardwareIoTLondon, GB

Scott Coates(Group CEO and Founder)in

Co-investorsSouter Investments

Xelliaxellia.com

Xellia manufactures anti-infective pharmaceutical products with a focus on supply chain continuity and reliable availability of critical active pharmaceutical ingredients in Western markets.

Advanced ManufacturingBiotechHealthtechMedical Devices

Michael Kocher(CEO)inAlexander Sproedt(Chief Operations Officer)inGaël Bernard(Chief Commercial Officer)inVicente Oller(Chief Financial Officer)inArt Fiocco(Chief Quality Officer)inLinda Haugaard-Kedström(Chief Scientific Officer)

xSuitexsuite.comin

xSuite builds SAP-native automation software for procure-to-pay (P2P) and order-to-cash (O2C) processes, using AI agents with built-in compliance.

Enterprise SoftwareFintechSaaSAhrensburg, DE

Dr. Haiko van Lengen(CEO and Spokesman of the Management Board)Matthias Lemenkühler(CPTO)inThomas Radestock(CSO)inJörg Mertens(CFO)inAndreas Nowottka(Managing Director)in

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

ActionConsumerAESSELAmorAspen PumpsAtteroAudley TravelAWGBelfast City AirportChristCivicaConstellationCross London TrainsCross London Trains ('XLT')European Bakery GroupFLAGFrescoGekaHerambienteHeramiubienteHilite InternationalInfiniesJMJJoulzKonges SlojdKonges SløjdLefdal Mine DatacenterLuqom GroupMAIT GroupMPMOystercatcherQ HoldingQuintilesRedWeekRefrescoShared TowerSLR ConsultingSmarte Carte International HoldingsTCRten23 healthVakantieDiscounterValoremVediciWaterWipesWeener PlasticsWilsonWilson Human Capital GroupYanga

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.