State Street Investment Management Takes Strategic Minority Stake in Coller Capital

EQT Acquires Coller Capital

January 22, 2026

Financial Services

EQT agreed to acquire 100% of Coller Capital’s management company and related general partner entities, along with a share of carried interest in its flagship secondaries fund, for base consideration of $3.2 billion and up to $500 million in contingent consideration. The acquisition was completed on August 31, 2026, adding Coller’s global secondaries expertise and client offerings to EQT’s platform.

Main Street Capital Backs LBO of Third‑Party Tax Collection Service Provider

July 31, 2025

Government & Public Sector

Main Street Capital Corporation invested $10.0 million (first‑lien senior secured debt plus a minority equity stake) to facilitate the leveraged buyout of a leading third‑party delinquent tax collection service provider. Main Street partnered with a sector‑focused private investment firm — the firm is now the majority equity investor and owner; the target was founded in 2010 and is headquartered in the Southeastern United States, serving local government clients with data‑driven collection processes.

Northwestern Mutual Acquires Minority Stake in Sixth Street

January 7, 2025

Financial Services

Northwestern Mutual has entered a strategic partnership with Sixth Street in which Northwestern Mutual will acquire a minority equity interest in Sixth Street and commit to have Sixth Street manage $13 billion of assets, with potential to scale. The agreement expands Northwestern Mutual's access to private and opportunistic investments while providing Sixth Street with a strategic institutional investor relationship.

State Street to Acquire Brown Brothers Harriman Investor Services

September 7, 2021

Financial Services

State Street Corporation entered into a definitive agreement to acquire Brown Brothers Harriman & Co.’s Investor Services business for $3.5 billion in cash. The deal is expected to close by year-end 2021, pending regulatory approvals and customary closing conditions, with BBH continuing to independently own its Private Banking and Investment Management businesses.

Capital Constellation Acquires Minority Stake in Pollen Street Capital

April 14, 2020

Financial Services

Capital Constellation, an investment vehicle managed by Wafra, has acquired a minority ownership interest in Pollen Street Capital and will provide capital to support growth of Pollen Street's private equity and credit businesses. The strategic partnership strengthens Pollen Street's ability to expand its private equity and credit strategies across the United Kingdom and Europe.

Mitsui USA Takes Minority Stake in Capitala Group

October 28, 2019

Financial Services

Mitsui & Co. (U.S.A.), Inc. acquired a minority, non-controlling interest in the management firm of Capitala Group in a strategic partnership announced October 28, 2019. Terms were not disclosed; Capitala's existing management team remains in place while Mitsui USA brings global reach and access to Asian markets to support Capitala's growth and capabilities.