(Adds details on transaction, background, share price)
June 18 (Reuters) - A unit of Chinese investment firm CITIC Capital Holdings Ltd said on Monday it has offered to buy U.S.-listed biotech firm China Biologic Products Holdings Inc , in a deal valuing the company at $3.65 billion.
China Biologic makes and sells plasma products, such as human immunoglobin, to prevent diseases such as measles and hepatitis.
The company's shares rose 15.8 percent to $95 in premarket trading.
The unit, CCRE, offered $110 in cash for each share of China Biologic it does not already own. (bit.ly/2leBZGo)
As of June 8, CCRE owned a 5.1 percent stake in China Biologic.
CCRE said it plans to finance the transaction with a combination of debt and equity. (Reporting by Manas Mishra in Bengaluru; Editing by Sai Sachin Ravikumar and Shounak Dasgupta)