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Sixth Street — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

41
Companies
$18.1B
Total invested
$488.9M
Avg. check
80
Industries
Software 9Analytics 7Biotechnology 6Medical 5SaaS 5Life Science 4+74 more
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Portfolio companies

Showing 124 of 41
ArsenalBio
September 2024

ArsenalBio is a programmable cell therapy company that offers CAR T-cell therapies for solid tumors.

Biotechnology · South San Francisco$325.0M Series C
Atlas
September 2022

Atlas is a technology platform that helps companies expand across borders, onboard talent, manage compliance, and pay their global workforce

Corporate Training · Chicago$200.0M Series B
Passport
August 2025

Passport is the technology leader in parking compliance and curbside payment solutions.

CivicTech · CharlotteVenture - Series Unknown
Contentsquare
July 2022

Contentsquare is an AI platform that provides product analytics, customer feedback, digital experience analytics, and monitoring services.

Analytics · Paris$400.0M Series F
BridgeBio
July 2026

BridgeBio focuses on the development and commercialization of precision medicines for various genetic diseases and cancers.

Biotechnology · Palo Alto$1.0B Post-IPO Equity
Kpler
June 2026

Kpler is a fast-growing data & analytics firm on a mission to facilitate efficient and sustainable trade.

Analytics · Brussels$1.0B Secondary Market
Blueprint Medicines
June 2022

Blueprint Medicines develops precision therapies for genomically defined cancers and rare diseases.

Bioinformatics · Cambridge$1.3B Post-IPO Equity
Chronograph
June 2026

Chronograph provides market leading portfolio monitoring, reporting, and diligence tools for private capital investors.

Analytics · New York$140.0M Private Equity
Pinnacle Gas Services
June 2026

Pinnacle Gas Services is a Delaware-registered midstream energy company, primarily owned and operated by Comstock Resources.

Oil and Gas · Frisco$600.0M Secondary Market
SumUp
May 2024

SumUp is a financial technology company that enables businesses to accept card payments at the point of sale or on the go.

Credit Cards · London$1.6B Debt Financing
National Women's Soccer League
April 2023

National Women's Soccer League is a soccer league and club that offers shop and event services.

Events · Chicago$125.0M Undisclosed
Mammoth Biosciences
April 2024

Mammoth Biosciences develops novel CRISPR applications for disease detection, research, agriculture, biodefense, and more.

Biotechnology · San Francisco$95.0M Corporate Round
Park Properties Housing Association
April 2026

PPHA delivers affordable homes via rental and shared ownership, supporting access to housing and stronger communities today.

Housekeeping Service · Manchester$1.0B Private Equity
Guesty
April 2024

Guesty’s advanced technology optimizes, automates, and streamlines every aspect of managing a hospitality business, all from one platform.

Hospitality · CovinaSeries F
ConcertAI
March 2022

ConcertAI is an AI-powered SaaS data company that develops medical research tools in oncology.

Analytics · Cambridge$150.0M Series C
Northwind Midstream Partners
March 2025

Nothwind's aim is to reduce emissions and treat off-spec natural gas by offering sustainable midstream services.

Oil and Gas · Houston$700.0M Debt Financing
Piano
February 2025

Piano helps organizations understand and influence customer behavior through a digital experience platform.

Analytics · Amsterdam$75.0M Debt Financing
Beam Therapeutics
February 2026

Beam Therapeutics is a biotechnology company developing precision genetic medicines through the use of base editing technology.

Biotechnology · Cambridge$100.0M Post-IPO Debt
Awardco
May 2025

Awardco is a human resources technology company that specializes in employee recognition and rewards solutions.

B2B · Lindon$165.0M Series B
Gravitee
May 2025

Gravitee is an API management platform that provides tools for API design, access, management, deployment, and security.

Developer APIs · Lille$60.0M Series C
Luma Financial Technologies
April 2025

Luma is an independent multi-issue platform that provides banks and brokers and dealers an order entry system.

Banking · Cincinnati$63.0M Series C
Seeq
August 2024

Seeq is a software company that accelerates industrial process analytics for process manufacturing data.

Analytics · Seattle$50.0M Series D
1upHealth
April 2023

1upHealth is a healthcare data platform operator that aggregates and shares medical data for patients, providers, and software developers.

Health Care · Boston$40.0M Series C
Heap
December 2021

Heap is a platform that provides analytics infrastructure to reduce the annoying parts of user analytics.

Analytics · San Francisco$110.0M Series D

Where Sixth Street invests

Software9
Analytics7
Biotechnology6
Medical5
SaaS5
Life Science4

About Sixth Street's portfolio

How many companies has Sixth Street invested in?

Sixth Street has invested in 41 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Sixth Street invest in?

Sixth Street's top investment sectors include Software, Analytics, Biotechnology, Medical, SaaS. The firm invests across 80 different industry categories.

What is Sixth Street's largest investment?

Among tracked funding rounds, SumUp received $1.6B in a Debt Financing round. Sixth Street's total known invested capital is $18.1B.

What is the average investment size for Sixth Street?

Sixth Street's average investment size is $488.9M across its portfolio of 41 companies.

What are Sixth Street's most recent investments?

Recent Sixth Street portfolio additions include ArsenalBio, Atlas, Passport, Contentsquare, BridgeBio. These companies were founded in 2020 or later.

Reach the founders behind these 41 companies
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