www.federalreserve.gov/releases/h41/current/
Scroll down to 4. Consolidated Statement of Condition of All Federal Reserve Banks
The takeaways are the following:
The fed bought $24B in US treasury securities over the last week. The total amount of treasuries in the balance sheet stands at $5.9T
No change in the amount of commercial paper. The total amount of commercial paper in the balance sheet stands at $12.7B
The fed bought $1.3B in US corporate bonds ETFs over the last week. The total amount of corporate bond ETFs in the balance sheet stands at $36.1B
A new addition to the balance sheet was established: A municipal credit facility. The fed bought $16.0B worth of municipal bonds last week.