[2] AllianceBernstein traces its origins back to the founding of Sanford C. Bernstein in 1967 as an investment-management firm for private clients.

[6] AllianceBernstein and Fidelity Investments took control of supermarket Winn-Dixie's parent company during the latter's 2018 bankruptcy.

[8][9] In 2019, AllianceBernstein partnered with Columbia University to provide training courses on sustainability and environmental sciences to its staff of investors.

[10][11] In 2019, Alliance Bernstein was flagged by the Boycott, Divestment and Sanctions movement as a subsidiary of AXA through which the French insurance group maintained indirect investments in Elbit Systems and Israeli banks despite a partial divestment by the parent company.

[17] In March 2022, it was announced that AllianceBernstein had acquired the Minneapolis-headquartered CarVal Investors – a global private alternatives investment manager.