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A cluster of analyst actions and elevated trading in early February 2026 boosted shares of multiple US-listed biotechnology firms.
On Feb. 5 Cantor Fitzgerald initiated coverage of Karyopharm Therapeutics (NASDAQ:KPTI) with an "overweight" rating; Karyopharm shares opened at $6.30 and the company has a market value around $115 million.
Cantor Fitzgerald and other brokers on Feb. 4 raised their price target for CytomX Therapeutics (NASDAQ:CTMX) to $10, backing an "overweight"/"buy" consensus; CTMX traded near $6 and hit a 52-week high on Feb. 3 amid rising analyst optimism.
Separately, MBX Biosciences (NASDAQ:MBX) saw unusually strong trading volume on Feb. 3 as several firms maintained or raised buy ratings and price targets, and ImmunityBio (NASDAQ:IBRX) traded up ~3.3% on Feb. 3–4 following multiple target increases and heavy insider selling disclosed in SEC filings.
Institutional ownership is sizable across these names (reported institutional stakes ranged ~66–69% for some firms). Traders and small-cap biotech investors responded to the wave of positive research notes and heightened market activity across the sector.























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