/Investor DB

Citadel — Full Portfolio

6 tracked investments · listed companies and verified rows first

Allurionallurion.cominOTC: ALURD

Allurion offers a weight-loss program built around a swallowable, procedureless gastric balloon combined with nutrition coaching, connected digital tools, and AI-driven clinician support.

Digital HealthMedical DevicesWellness & FitnessNatick, US

Shantanu Gaur(Co-founder)inSamuel Levy(Co-founder)inBrendan Gibbons(Executive Officer)inOjas Buch(Executive Officer)inRam Chuttani(Executive Officer)Jonathan D Wecker(Executive Officer, Director)in

Co-investorsKube VCREMUS CapitalRunway Growth CapitalCPH CapitalRomulus Capital

LayerZerolayerzero.networkin𝕏Feb 2026

LayerZero builds decentralized infrastructure for interoperability across blockchains and asset issuance, enabling applications and chains to connect liquidity and extend reach across ecosystems.

Crypto & Web3Data & InfrastructureDeveloper Tools

Bryan Pellegrino(Founder)inRaz Zarick(Founder)inCaleb Banister(Founder)Ryan Zarick(Founder)

Co-investorsa16z cryptoAndreessen HorowitzAndromeda CapitalBitDAOBixin CapitalBixin Ventures+36 more

Nscalenscale.comin𝕏Mar 2026 · $2B

Nscale builds AI infrastructure, systems, and solutions—including GPU cloud services and data center capacity—for practitioners, enterprises, and governments to deploy and scale AI workloads.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper Tools

Josh Payne(Founder)inJosh Payne Nathan Townsend(Founder)Nathan Townsend(Founder)

Co-investorsG SquaredT VenturesTORUSTranspose Platform ManagementVentureSouq8090 Industries+4 more

Talaris Therapeuticstalaristx.comSep 2020

Clinical-stage biotech developing cell therapy products for transplant and autoimmune conditions

BiotechLouisville, US

Suzanne Ildstad(Executive Officer, Director)Scott Requadt(Executive Officer, Director)Geoff Mackay(Director)Francois Nader(Director)

BoardSandip Agarwala(Director)inMark McDade(Director)in

Co-investorsAisling CapitalKeyhorse CapitalLongitude CapitalQiming Venture Partners USAViking GlobalBlackstone Life Sciences+3 more

Yellowbrick Datayellowbrick.comin𝕏Nov 2021 · $75M

Yellowbrick Data provides a secure data analytics platform deployed within customer cloud accounts and on-premises, designed for enterprises that require data security, availability, and granular access control.

Cloud ComputingData & InfrastructureEnterprise SoftwareMountain View, US

Neil Carson(Founder)inMark Brinicombe(Founder)Jim Dawson(Founder)

Co-investorsThird Point VenturesBMW i VenturesGV (Google Ventures)In-Q-TelIVP (Institutional Venture Partners)Menlo Ventures+5 more

Other

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

Options Clearing

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.