Nuveen and Principal Bring Guaranteed Retirement Income to 401(k) Plans

The partnership seeks to bridge the gap between traditional target-date funds and the security of fixed annuities. By integrating the TIAA Secure Income Account into a collective investment trust structure, the firms allow employees to grow their retirement savings with a guaranteed rate, while maintaining the option to convert those assets into a reliable, lifelong income stream. This approach mirrors the structural logic of Bonilla’s famous contract with the New York Mets, which provides predictable annual payouts decades after his professional baseball career concluded.

For plan sponsors, the move represents a shift toward more robust retirement security for participants across corporate and governmental sectors. Brendan McCarthy, head of retirement investing at Nuveen, noted that this expansion provides everyday workers access to financial mechanics previously reserved for specialized agreements. With TIAA managing over $75 billion in similar lifetime income strategies across 1,000 employers, the collaboration aims to address the growing demand for stability in 401(k) markets. As the industry moves past the debate over whether guaranteed income belongs in retirement plans, the focus has shifted toward the scalability of these long-term payout models.