The face values of the two portfolios are about $27b and $87b respectively, the regulator said in a statement on Wednesday. The securities are primarily comprised of agency mortgage-backed securities, collateralized mortgage obligations and commercial mortgage-backed securities.
The recent failure of Signature Bank and SVB triggered the biggest banking crisis since 2008 and stoked heavy volatility in the sector, worsening existing jitters of an imminent recession.
https://www.cnn.com/2023/04/05/business/fdic-blackrock-signature-bank-svb/index.html