The Deal That Sent Crescent Biopharma Shares Surging Over 40% Pre-Market Today

Crescent Biopharma announced a strategic partnership with the Chinese firm Sichuan Kelun-Biotech Biopharmaceutical Co. to fast-track its global oncology pipeline.
Researcher performing microbiology separator for PCR diagnosis test in pathology laboratory.
Crescent Biopharma Shares Are Up Over 40% Pre-Market On Deal With Kelun-Biotech (Credits: Getty Images)
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Aashika Suresh·Stocktwits
Updated Mar 05, 2026   |   2:29 PM EST
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  • Crescent Biopharma is partnering with the Chinese firm Kelun-Biotech to expand its oncology drug pipeline and accelerate its combination strategy. 
  • The company also announced a $185 million private placement, expected to close around December 8.
  • Stocktwits retail sentiment for the stock was ‘extremely bullish’.

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Crescent Biopharma (CBIO) announced a strategic partnership with Sichuan Kelun-Biotech Biopharmaceutical Co. to expand its pipeline of oncology drugs and speed up its combination strategy. The company also announced a $185 million private placement, expected to close around December 8.

Shares of Crescent were up over 40% in pre-market trading.

The company said it has three distinct programs that are expected to enter the clinic in 2026. In addition, the private financing will boost its cash runway.

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“We’re excited to share the tremendous progress we’ve made executing on our strategy of building a robust portfolio of next-generation oncology therapeutics," said Joshua Brumm, chief executive officer of Crescent.

Partnership Details

The deal will allow Crescent exclusive rights to research, develop, and commercialize SKB105 (also known as CR-003) in the United States, Europe, and all markets excluding Greater China. This is an integrin beta-6 (ITGB6)-directed antibody-drug conjugate (ADC) with a topoisomerase payload.

Meanwhile, Kelun-Biotech will obtain exclusive rights to research, develop, and commercialize CR-001 in Greater China, including mainland China, Hong Kong, Macau, and Taiwan. The drug is Crescent’s bispecific antibody that the company says has the potential to be foundational in immuno-oncology.

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Both Crescent and Kelun-Biotech will retain the right to independently develop CR-001 in combination with proprietary ADC pipeline assets.

“CR-001, our PD-1 x VEGF bispecific antibody, has the potential to be a foundational immuno-oncology backbone and the partnership we announced with Kelun-Biotech today has enhanced our pipeline of ADCs and accelerated our efforts to deliver potentially best-in-class novel combination therapies,” said Brumm.

Retail Reaction

Stocktwits retail sentiment for the stock changed from ‘neutral’ to ‘extremely bullish’ while message volume jumped to ‘extremely high’.

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Stocktwits retail sentiment for the stock is ‘extremely bullish’ while message volume remained ‘extremely high’.
One user noted they were ‘bullish’ on the stock, adding “In with a starter!”

Another said that the stock was long forgotten in their portfolio.

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Shares of Crescent Biopharma were down about 47% year-to-date but have gained almost 8% in the last month.

Also Read: Here’s Why TIGR Stock Rose In Premarket Today – And Retail Traders Think The Rally’s Just Starting

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For updates and corrections, email newsroom[at]stocktwits[dot]com.
 

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