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I-Mab Biopharma

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I-Mab is a dynamic, global biotech company exclusively focused on discovery, development and soon commercialization of novel or highly differentiated biologics in the therapeutic areas of…

Huangpu, ChinaFounded 2016Biotech & Life Sciences
Valuation $186M Market cap · 2026
Revenue $3.9M Latest reported FY
Total funding $500M–1B Disclosed equity funding

About I-Mab Biopharma

I-Mab Biopharma is a clinical-stage biopharmaceutical company established in 2016 by Dr. Jingwu Zang, an immunologist and entrepreneur. Initially founded in Shanghai, China, the company has transitioned to a U.S.-based global biotech with operations in Rockville, Maryland, and San Diego, California. This strategic shift involved the divestiture of its China-based operations in April 2024, a move designed to streamline the organization and focus on ex-China markets. The company's business model centers on the discovery, development, and commercialization of biologics, particularly in immuno-oncology. Revenue generation is primarily driven by licensing agreements, co-development collaborations with global pharmaceutical companies, and royalties from commercialized products. Since its inception, I-Mab has secured significant funding, including a $150 million Series B in 2017, a $220 million Series C in 2018, and a successful IPO on the Nasdaq in 2020 which raised approximately $104 million.

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The company's pipeline is focused on differentiated immunotherapies for cancer. Key assets include Givastomig, a bispecific antibody targeting CLDN18.2 and 4-1BB for gastric and esophageal cancers, which is being developed in collaboration with ABL Bio. Another significant candidate is Uliledlimab, an antibody targeting CD73 to counteract immunosuppression in the tumor microenvironment, being studied for non-small cell lung cancer. Ragistomig, a bispecific antibody targeting PD-L1 and 4-1BB, is under development for solid tumors that are resistant to checkpoint inhibitors. I-Mab's strategy involves forming strategic global partnerships to advance its drug candidates, such as its clinical collaboration and supply agreement with Bristol Myers Squibb to evaluate givastomig in combination with nivolumab.

Financially, I-Mab maintains a solid cash position to fund its operations and clinical trials. As of June 30, 2024, the company reported cash, cash equivalents, and short-term investments of $207.5 million, with a projected cash runway into 2027. The company has been actively managing its expenses, with a reported net loss from continuing operations of $17.8 million for the first six months of 2024, a decrease from $37.9 million for the same period in 2023. The leadership team, which has undergone restructuring to support its U.S.-based model, includes experienced professionals from the pharmaceutical industry. The company is publicly traded on the Nasdaq under the ticker IMAB.

Source: Dealroom company data

At a glance

Founded
2016
Headquarters
Huangpu, China
Listing
IPO 2020
Sector
Biotech & Life Sciences
Power Law
Unicorn$1–10B valuation tierThoroughbred$100M+ revenue

Latest news

Press, funding announcements and product moves mentioning I-Mab Biopharma.

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Investors

19 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A4 investors entered at this stage

  • CBC Group
  • Cambridge Capital
  • Genexine
  • Tasly Pharmaceutical

Series B and later15 investors entered at this stage

  • Hony Capital
  • CDH Investments
  • Hillhouse Capital
  • Ally Bridge Group
  • Tally Capital
  • EDBI
  • HOPU Fund
  • C-Bridge Capital
  • VMS Group
  • I-Mab
  • Bruggemoon
  • Tailong Investment
  • Kaitou Hanrun Capital
  • Qiantang Chengfa
  • Heda Investment
Team profiled 20 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 6 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇨🇳 China75%
🇺🇸 United States21.3%
🇭🇰 Hong Kong3.8%
3 countries shown
Web traffic by country
130 monthly visits
across markets
🇺🇸 United States76.9%
Top 1 markets shown

Patents

Estimated portfolio value
$57M

57 active patent families included in this estimate.

A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.

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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about I-Mab Biopharma on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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