Key Takeaways
- • Columbia Threadneedle is consolidating the $99 million Multi-Manager Growth Strategies fund (CZMGX) by removing J.P. Morgan Investment Management and Loomis, Sayles as subadvisors effective December 8, 2025, and renaming it the Columbia Integrated Large Cap Growth Fund II.
- • The fund's three-year annualized return of 28.36% has outperformed its Large Growth Morningstar category average of 25.25%, demonstrating strong performance despite the structural shift.
- • The three-person internal management team—Jason C. Hans, Oleg Nusinzon, and Raghavendran Sivaraman—will assume full portfolio management responsibility, mirroring their successful track record managing the similar Columbia Integrated Large Cap Growth fund (ILGGX), which posted 27.43% returns over the same period.
- • The consolidation eliminates the multimanager structure in favor of a unified internal management approach, reducing complexity and aligning the fund with Columbia's existing large-cap growth capabilities.
Summary
Columbia Threadneedle is restructuring its $99 million Multi-Manager Growth Strategies fund (CZMGX) by eliminating its dual subadvisor structure and consolidating portfolio management internally. Effective December 8, the firm will remove both J.P. Morgan Investment Management and Loomis, Sayles from their respective advisory roles. The fund will be renamed the Columbia Integrated Large Cap Growth Fund II, reflecting its transition from a multimanager structure to unified internal management.
The fund, which launched in 2017, has demonstrated strong performance relative to its peer group. Over the three-year period ending the announcement date, CZMGX delivered a 28.36% annualized return, outperforming the 25.25% average for funds in the Large Growth Morningstar category. This performance record provides a foundation for the management transition, though the strategic rationale behind the consolidation suggests Columbia's confidence in its internal team's ability to maintain or exceed these results.
Portfolio management responsibility will transition to three Columbia portfolio managers: Jason C. Hans, Oleg Nusinzon, and Raghavendran Sivaraman. These three managers already oversee the structurally similar Columbia Integrated Large Cap Growth fund (ILGGX) without subadvisors, which has delivered 27.43% in three-year annualized returns—performance nearly comparable to the current fund's track record. The alignment between the two funds' performance and management team suggests a natural consolidation within Columbia's product lineup.
Columbia, JPMorgan Investment Management, and Loomis, Sayles declined to provide additional commentary on the restructuring at the time of the SEC filing announcement. The move reflects a broader strategic choice by Columbia to streamline its growth-focused equity offerings under internal management rather than maintaining external multimanager partnerships.
The fund, which launched in 2017, has demonstrated strong performance relative to its peer group. Over the three-year period ending the announcement date, CZMGX delivered a 28.36% annualized return, outperforming the 25.25% average for funds in the Large Growth Morningstar category. This performance record provides a foundation for the management transition, though the strategic rationale behind the consolidation suggests Columbia's confidence in its internal team's ability to maintain or exceed these results.
Portfolio management responsibility will transition to three Columbia portfolio managers: Jason C. Hans, Oleg Nusinzon, and Raghavendran Sivaraman. These three managers already oversee the structurally similar Columbia Integrated Large Cap Growth fund (ILGGX) without subadvisors, which has delivered 27.43% in three-year annualized returns—performance nearly comparable to the current fund's track record. The alignment between the two funds' performance and management team suggests a natural consolidation within Columbia's product lineup.
Columbia, JPMorgan Investment Management, and Loomis, Sayles declined to provide additional commentary on the restructuring at the time of the SEC filing announcement. The move reflects a broader strategic choice by Columbia to streamline its growth-focused equity offerings under internal management rather than maintaining external multimanager partnerships.
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