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Fannie Mae

Secondary Mortgage MarketFounded 1938
Reviewed by Swet Parvadiya
Company data updated: November 2026

Acquisitions

Fannie Mae Acquisitions

3

Major Deals Covered

What are Fannie Mae's biggest acquisitions?

This page covers 3 major deals from 1988 to 2014, each with its price where disclosed and the reason behind it.

Major deals covered
3
First deal
1988
Most recent
2014
CompanyYearPricePurpose
Common Securitization Solutions (CSS)2014Undisclosed—
Delegated Underwriting and Servicing (DUS) Network1988Undisclosed—
Desktop Underwriter Software Architecture1995Undisclosed—
What companies has Fannie Mae bought?
Major acquisitions by Fannie Mae documented here include Common Securitization Solutions (CSS) (2014), Desktop Underwriter Software Architecture (1995) and Delegated Underwriting and Servicing (DUS) Network (1988).
What is Fannie Mae's most recent acquisition?
The most recent Fannie Mae acquisition documented here is Common Securitization Solutions (CSS), in 2014.

Common Securitization Solutions (CSS)

2014

Why

Created a joint venture technology company with Freddie Mac to operate the Common Securitization Platform (CSP).

Outcome

Built the technology infrastructure that powers the $8+ trillion combined UMBS market.

Desktop Underwriter Software Architecture

1995

Why

Built the automated algorithmic mortgage evaluation platform for American home lenders.

Outcome

Became the universal operating system for mortgage credit in the United States.

Delegated Underwriting and Servicing (DUS) Network

1988

Why

Created the proprietary DUS lender network for apartment building mortgages.

Outcome

Scaled into America's premier multifamily housing finance platform.

Fannie Mae's Growth & Acquisition Strategy

Fannie Mae is pursuing three strategic growth pillars under CEO Priscilla Almodovar: (1) Modernizing the mortgage closing and appraisal process through Desktop Underwriter (DU), expanding value acceptance (appraisal waivers) and automated property inspection data to reduce homebuyer closing costs; (2) Expanding mission-driven affordable housing access, issuing record volumes of multifamily Green MBS and Social Index MBS to finance workforce housing and energy-efficient apartment construction; and (3) Scaling programmatic Credit Risk Transfer (CRT) issuances through Connecticut Avenue Securities (CAS) and Credit Insurance Risk Transfer (CIRT), systematically offloading catastrophic credit default risk onto global reinsurers and institutional bondholders.

How Fannie Mae Makes Money

Fannie Mae operates a massive, highly profitable secondary mortgage market securitization and credit guaranty business model divided into two principal reporting segments: (1) Single-Family Business (~88% of net revenue), which purchases conventional conforming single-family residential mortgages from primary lenders, securitizes them into Uniform Mortgage-Backed Securities (UMBS), and guarantees the timely payment of principal and interest to institutional investors worldwide in exchange for a recurring guaranty fee (typically averaging 45 to 55 basis points on the unpaid principal balance); and (2) Multifamily Business (~12% of net revenue), which finances affordable and market-rate apartment communities through its Delegated Underwriting and Servicing (DUS) lender network, sharing credit loss risk with approved commercial lenders. Crucially, Fannie Mae does not make money by speculating on home price appreciation or holding massive unhedged loan portfolios; instead, it acts as a credit guarantor, earning steady, recurring guaranty fees across its $4.1 trillion portfolio while transferring credit risk to private capital through its benchmark Connecticut Avenue Securities (CAS) credit risk transfer (CRT) programs.

Fannie Mae Acquisitions FAQ

Does Fannie Mae acquire competing mortgage lenders?

No, federal charter restrictions and FHFA regulations prohibit Fannie Mae from originating loans directly or acquiring retail mortgage lending companies, preserving its neutral secondary market role.

What portfolio acquisitions did Fannie Mae make during the S&L crisis?

Between 1989 and 1992, Fannie Mae absorbed over $12.5 billion in high-quality single-family residential mortgages from insolvent institutions via the Resolution Trust Corporation, stabilizing housing credit.

How does Fannie Mae acquire financial technology capabilities?

Fannie Mae acquires intellectual property and enters into strategic software licensing agreements to enhance its proprietary Desktop Underwriter and Day 1 Certainty automated verification platforms.

What is Common Securitization Solutions (CSS)?

CSS is a joint venture created by Fannie Mae and Freddie Mac to operate the Common Securitization Platform, the core cloud engine that issues and administers trillions in Uniform Mortgage-Backed Securities.

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Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.