RAPT Therapeutics Overview

  • Year Founded
  • 2015

Year Founded

  • Status
  • Acquired/​Merged

  • Employees
  • 121

Employees

  • Latest Deal Type
  • M&A

  • Latest Deal Amount
  • $2.2B

RAPT Therapeutics General Information

Description

RAPT Therapeutics Inc is a clinical-stage immunology-based biopharmaceutical company. It is focused on discovering, developing, and commercializing oral small-molecule therapies for patients with some unmet needs in oncology and inflammatory diseases. The company pipeline products include FLX475, designed to selectively inhibit the migration of immunosuppressive regulatory T cells into tumors; and RPT193, designed to selectively inhibit the migration of type 2 T helper cells into inflamed tissues.

Contact Information

Website
www.rapt.com
Formerly Known As
FLX Bio
Ownership Status
Acquired/Merged
(Operating Subsidiary)
Financing Status
Formerly VC-backed
Corporate Office
  • 561 Eccles Avenue
  • South San Francisco, CA 94080
  • United States
+1 (650)
Primary Industry
Drug Discovery
Other Industries
Biotechnology
Parent Company
Vertical(s)
Corporate Office
  • 561 Eccles Avenue
  • South San Francisco, CA 94080
  • United States
+1 (650)

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RAPT Therapeutics Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
11. Merger/Acquisition 03-Mar-2026 $2.2B Completed Generating Revenue
10. 2PO 23-Oct-2025 Completed Generating Revenue
9. PIPE 27-Dec-2024 Completed Generating Revenue
8. PIPE 25-May-2022 Completed Generating Revenue
7. 2PO 07-Feb-2020 Completed Generating Revenue
6. IPO 01-Nov-2019 Completed Generating Revenue
5. Later Stage VC (Series C2) 18-Jun-2019 Completed Generating Revenue
4. Later Stage VC (Series C) 01-Apr-2018 Completed Generating Revenue
3. Early Stage VC (Series B) 01-Apr-2016 $50M $79M Completed Generating Revenue
2. Early Stage VC (Series A) 07-Apr-2015 $29M $29M Completed Generating Revenue
To view RAPT Therapeutics’s complete valuation and funding history, request access »

RAPT Therapeutics Cap Table

Stock # of Shares
Authorized
Par Value Dividend Rate ($) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
Series C2
Series C
Series B 25,000,000 $0.000100 $0.16 $2 $2 1x $2 22.25%
Series A 37,509,105 $0.000100 $0.08 $1 $1 1x $1 33.38%
To view RAPT Therapeutics’s complete cap table history, request access »

RAPT Therapeutics Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
RAPT Therapeutics Inc is a clinical-stage immunology-based biopharmaceutical company. It is focused on discovering, deve
Drug Discovery
South San Francisco, CA
121 As of 2026

San Diego, CA
 

Cambridge, MA
 
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RAPT Therapeutics Competitors (56)

One of RAPT Therapeutics’s 56 competitors is AnaptysBio, a Formerly VC-backed company based in San Diego, CA.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
AnaptysBio Formerly VC-backed San Diego, CA
Marengo Therapeutics Venture Capital-Backed Cambridge, MA
Agomab Therapeutics Formerly VC-backed Antwerp, Belgium
CytomX Therapeutics Formerly VC-backed South San Francisco, CA
Adaptimmune Therapeutics Formerly VC-backed Abingdon, United Kingdom
You’re viewing 5 of 56 competitors. Get the full list »

RAPT Therapeutics Patents

RAPT Therapeutics Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
WO-2026112363-A1 Fused heterocyclic aromatic compounds and uses thereof Pending 21-Nov-2024
WO-2026055519-A1 Fused ring imidazole compounds Pending 06-Sep-2024
US-20250122208-A1 Chemokine receptor modulators and uses thereof Pending 06-Oct-2023
US-20250034115-A1 Crystalline forms of c-c chemokine receptor type 4 antagonist and uses thereof Pending 12-Jul-2023
WO-2025015029-A1 Crystalline forms of c-c chemokine receptor type 4 antagonist and uses thereof Inactive 12-Jul-2023 C07D401/14
To view RAPT Therapeutics’s complete patent history, request access »

RAPT Therapeutics Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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RAPT Therapeutics Former Investors (20)

Investor Name Investor Type Holding Investor Since Participating Rounds
AJU IB Investment Venture Capital Minority
BVF Partners Hedge Fund Minority
Catalyst Operating Growth/Expansion Minority
Celgene Corporation Minority
Codon Capital Venture Capital Minority
You’re viewing 5 of 20 investors. Get the full list »

RAPT Therapeutics ESG

Risk Overview

Risk Rating

Updated November, 30, 2025

36.03 | High Risk

Risk Scale

A lower score indicates better sustainability

Negl

0-10

Low

10-20

Med

20-30

High

30-40

Severe

40+

Exposure

Exposure refers to the extent to which a company is exposed to different material ESG issues

Management

Management is related to actions taken to manage ESG issues

Peers Analysis

Peer performance insights compare the company’s ESG performance to the performance of selected peers to help inform future ESG decisions and drive internal performance improvements.

Global

Covered Companies

of 14,271

Rank

Percentile

Pharmaceuticals

Industry

of 908

Rank

Percentile

Biotechnology

Subindustry

of 434

Rank

Percentile

To view RAPT Therapeutics’s complete esg history, request access »

RAPT Therapeutics FAQs

  • When was RAPT Therapeutics founded?

    RAPT Therapeutics was founded in 2015.

  • Where is RAPT Therapeutics headquartered?

    RAPT Therapeutics is headquartered in South San Francisco, CA.

  • What is the size of RAPT Therapeutics?

    RAPT Therapeutics has 121 total employees.

  • What industry is RAPT Therapeutics in?

    RAPT Therapeutics’s primary industry is Drug Discovery.

  • Is RAPT Therapeutics a private or public company?

    RAPT Therapeutics is a Private company.

  • What is the current valuation of RAPT Therapeutics?

    The current valuation of RAPT Therapeutics is .

  • What is RAPT Therapeutics’s current revenue?

    The current revenue for RAPT Therapeutics is .

  • How much funding has RAPT Therapeutics raised over time?

    RAPT Therapeutics has raised $737M.

  • Who are RAPT Therapeutics’s investors?

    AJU IB Investment, BVF Partners, Catalyst Operating, Celgene, and Codon Capital are 5 of 20 investors who have invested in RAPT Therapeutics.

  • Who are RAPT Therapeutics’s competitors?

    AnaptysBio, Marengo Therapeutics, Agomab Therapeutics, CytomX Therapeutics, and Adaptimmune Therapeutics are some of the 56 competitors of RAPT Therapeutics.

  • When was RAPT Therapeutics acquired?

    RAPT Therapeutics was acquired on 03-Mar-2026.

  • Who acquired RAPT Therapeutics?

    RAPT Therapeutics was acquired by GSK.

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