Quantum Fund is the name of Soros’ fund, not a category.

The investment fund managed by American financier George Soros is called "Quantum Fund". Soros' Quantum Fund is a high-risk fund that borrows money to invest in stocks, bonds, foreign exchange and commodities around the world. The Quantum Dollar Fund is registered with the U.S. Securities and Exchange Commission and mainly raises funds through private placements. It is said that Soros named it "Quantum" because of the "uncertainty theorem" proposed by Heisenberg, a German physicist and founder of quantum mechanics whom Soros admired. Soros believes that just as the physical quanta of microparticles cannot have a definite value, the securities market is often in an uncertain state and is difficult to accurately measure and estimate.

Soros is the chairman of the board of directors of LCC Soros Fund, and the Private Investment Management Office confirmed that it serves as an advisor to Quantum Fund Group. The Quantum Fund is the oldest and largest fund within the Quantum Group and is generally considered to have the best performance of any investment fund in the world during its 28-year history.

Soros operates five hedge funds with different styles. Among them, Quantum Fund is the largest and one of the largest hedge funds in the world. Quantum Fund was originally founded in the late 1960s by Soros and Jim Rogers, another famous hedge fund expert, with only $4 million in assets at the beginning. The fund is established in New York, but its investors are all non-U.S. foreign investors, thereby avoiding the supervision of the U.S. Securities and Exchange Commission. Quantum Fund invests in commodities, foreign exchange, stocks and bonds, and uses a large number of financial derivatives and leveraged financing to engage in a full range of international financial operations. With his extraordinary analytical skills and courage, Soros guided Quantum Fund to gradually grow and expand amidst the rise and fall of the world's financial markets again and again. He has repeatedly accurately foreseen the extraordinary growth potential of certain industries and companies, thereby obtaining excess returns during the rise of these stocks. Even in a bear market when the market was declining, Soros made a lot of money with his superb short-selling skills. After less than 30 years of operation, by the end of 1997, Quantum Fund had increased in value to a giant fund with total assets of nearly US$6 billion. The US$10,000 injected into the Quantum Fund in 1969 had increased in value to US$300 million by the end of 1996, an increase of 30,000 times.

So, unless you know him and can join the ranks of private equity funds, you cannot buy quantum funds in China.