Yes, the fund mainly invests in a basket of stocks, most of which fell in the stock market crash, so it will also affect the decline of the fund. Stocks and funds are positively related. Generally, when the stock market is good, the fund also performs well. When the stock market is poor, the performance of the fund is also poor.
It should be noted that money funds and bond funds do not invest in the stock market, so the stock market crash has little impact on money funds and bond funds, but the stock market and bond market are negatively correlated. Generally, when the stock market is poor, bond funds have a good performance.