MFS Fund Merger Vote Delayed Amid Major Management Shake-up

BOSTON, MA – April 02, 2026 – MFS Investment Management has postponed a critical shareholder vote on a sweeping reorganization of its municipal closed-end funds, signaling a struggle to rally the necessary support for a deal that would see rival asset manager Aberdeen Inc. take the helm. The special shareholder meetings for MFS High Income Municipal Trust (NYSE: CXE) and MFS Investment Grade Municipal Trust (NYSE: CXH), originally held today, were adjourned until April 7, 2026.

The delay is a pivotal moment in a complex transaction designed to consolidate multiple funds into a larger, more efficient entity. MFS stated the adjournment is necessary “to allow for the solicitation of additional shareholder votes” on the proposed merger of the two funds into the MFS Municipal Income Trust (NYSE: MFM). The outcome of the vote will not only determine the future structure of these funds but also finalize a significant shift in their management and strategic direction.

A High-Stakes Consolidation

The proposed reorganization is more than a simple merger between two funds. It represents a significant consolidation play within the closed-end fund market. The plan, approved by the funds’ boards in December 2025, involves merging not just CXE and CXH, but also MFS High Yield Municipal Trust (CMU) and abrdn National Municipal Income Fund (VFL), into the single surviving MFS Municipal Income Trust (MFM).

If approved, this would create a formidable municipal bond fund with an expected asset base of approximately $1 billion. The boards of the target funds have unanimously recommended the deal to shareholders, citing a range of potential benefits. According to proxy statements, the primary rationale is to leverage the benefits of scale, which could lead to greater operating efficiencies, improved secondary market trading liquidity for shareholders, and potential cost savings through expense limitation agreements set to last for at least two years post-merger.

For shareholders, the core of the deal is a tax-free exchange of their current shares for new shares in the larger, combined MFM fund, with the exchange based on the respective net asset values (NAV) of the funds. The investment objectives are closely aligned, as all the funds involved primarily seek to provide investors with high current income that is exempt from U.S. federal income tax.

Aberdeen Awaits in the Wings

The most significant strategic shift embedded in this proposal is the transfer of investment advisory responsibilities from MFS to Aberdeen Inc., the U.S. subsidiary of the global asset manager. In a move that underscores the deal's transformative nature, shareholders of the surviving fund, MFM, have already cast their votes in favor of the change. On April 2, MFM shareholders approved a new investment management agreement with Aberdeen, the nomination of five new trustees to oversee the fund, and the issuance of new shares to facilitate the mergers.

Aberdeen brings a substantial fixed-income pedigree to the table. The firm boasts a global team of over 140 fixed income professionals and manages over £35 billion in fixed income assets. Its investment philosophy is rooted in a team-based approach, rigorous bottom-up credit research, and the integration of environmental, social, and governance (ESG) factors. The team that would manage MFM is led by seasoned experts like Jonathan Mondillo, Head of US Fixed Income, who has extensive experience managing municipal bond funds across the credit spectrum.

To sweeten the deal for income-focused investors, Aberdeen has signaled its intention to recommend a significant boost to the combined fund's payout. Subject to approval by the new board after the merger closes, Aberdeen plans to target an annual managed distribution rate of 6.00% of NAV for MFM, a substantial increase from the fund's current rate of approximately 4.56%.

The Tender Offer Sweetener

Recognizing the challenge of securing shareholder approval, MFS has deployed a powerful incentive for investors in the MFS Investment Grade Municipal Trust (CXH). The firm authorized a conditional cash tender offer to purchase up to 50% of CXH's outstanding common shares at a price equal to 99% of the fund’s net asset value.

This offer provides a valuable liquidity option for shareholders who may wish to exit their position at a price very close to the fund's underlying value, a significant premium to where closed-end funds often trade in the open market. However, the offer comes with a critical string attached: it is entirely contingent upon CXH shareholders approving the reorganization. The tender offer will not commence unless and until the merger vote is successful.

This tactic effectively turns the tender offer into a tool to encourage a “yes” vote. The risk of proration—where the fund buys back only a portion of the shares an investor tenders—is real if the offer is oversubscribed. A previous, smaller tender offer for CXH in November 2023 was oversubscribed, resulting in a proration of about 23.5%, indicating strong shareholder appetite for liquidity at NAV-related prices.

A Test of Shareholder Confidence

The repeated postponement of the shareholder meetings, which were originally scheduled for March 11 before being moved to April 2 and now April 7, highlights the persistent difficulty in achieving the required vote count. This challenge is common in the closed-end fund space, which has a large retail investor base that can be difficult to mobilize. The delays suggest that MFS has not yet overcome shareholder apathy or potential pockets of opposition to the complex deal.

This MFS-Aberdeen transaction is emblematic of a wider trend of consolidation sweeping the closed-end fund industry. Asset managers are increasingly looking to merge smaller funds to create larger, more cost-effective, and more liquid products that can better compete for investor attention and capital. While the strategic logic is often sound, execution depends entirely on securing the approval of a diverse and sometimes disengaged shareholder base.

With the new meeting date just days away, all eyes are on the shareholders of CXE and CXH. Their decision will determine whether this ambitious consolidation proceeds, ushering in a new era of management under Aberdeen, or if the funds will continue on their current path, leaving the proposed benefits of scale and the lucrative CXH tender offer on the table.