Updated: 12/17/2025 Ginnie Mae (GNMA) does not report seller or servicer information for its pools or loans; instead, associated with each GNMA pool/loan is the notion of an Issuer . Indeed, GNMA’s conception of the Issuer role doesn’t map straightforwardly to the standard functions performed by the sellers and servicers associated with GSE pools since the Issuer’s responsibilities are prescribed to encompass those of the mortgage owner, the pool issuer, and the servicer. [1

Tracking MBS Issuance over extended time frames spanning months or years provides an invaluable perspective into mortgage market supply-side dynamics, the evolving characteristics of mortgage borrowers, and the relative share of major mortgage market participants. To some extent, the same insights can be extracted over shorter time scales such as a daily frequency with the emphasis shifting to analyzing trading flows – the likely characteristics of the TBA deliverable, which