CytomX Therapeutics stock gains 6.52 percent on September 23

Published on 09/23/2026 at 14:05 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

CytomX Therapeutics stock reached USD 2.94 on September 23, 2026, up 6.52 percent from USD 2.76. Market capitalization was USD 611.207 million.

CTMX, US23284F1057, Illustration mit AI erstellt.

CytomX Therapeutics stock (ISIN US23284F1057) reached USD 2.94 on September 23, 2026, up 6.52 percent from the previous close of USD 2.76. The quoted session range was USD 2.76 to USD 3.00, giving the move a concrete market anchor.

Price move sets the daily frame

The September 23, 2026 quotation places CTMX at USD 0.18 above the prior close, a 6.52 percent daily comparison. The same market snapshot records an opening price of USD 2.86, a session high of USD 3.00 and a session low of USD 2.76.

For investors, the percentage move matters alongside the absolute level: the stock gained USD 0.18 from the previous close, while the intraday spread between the high and low was USD 0.24. These figures describe the session without mixing CTMX with another listing or currency.

Small-cap valuation remains central

CytomX Therapeutics had a market capitalization of USD 611.207 million on September 23, 2026. That valuation places the company firmly in the small-cap biotechnology segment, where daily percentage changes can be large relative to the share price.

The latest market data also show CTMX at USD 2.94 after starting at USD 2.86, an increase of USD 0.08 during the session. The move from the USD 2.76 low to the USD 3.00 high created a USD 0.24 trading band on the same date.

CTMX stock closes near USD 3

CytomX Therapeutics stock stood at USD 2.94 on September 23, 2026, based on the dated quotation, with the Nasdaq-listed security trading in USD. The market capitalization was USD 611.207 million on that date.