Our new global brand, Columbia Threadneedle Investments, represents the combined capabilities, reach and resources of both Threadneedle Investments (Threadneedle) and our US-based affiliate Columbia Management (Columbia).o. This is not a take-over or merger; the legal entities will stay the same. There is no change to any of the Threadneedle companies. However, instead of using the Threadneedle Investments brand we are using one brand globally-Columbia Threadneedle Investments. 6.