In brief : US fund Saba Capital now owns more than 11% of Pantheon International and around 10% of HarbourVest Global Private Equity. In both cases, the trusts have stepped up asset sales, share buybacks and tender offers. A real-world case to understand what an activist shareholder is and what it seeks.

Saba Capital is a New York hedge fund founded by Boaz Weinstein. Its strategy includes buying listed closed-end funds that trade below their asset value, then pushing their boards to close the gap. Since late 2024, it has run several campaigns in the UK.

Pantheon International (PIN) is a private equity trust of around £1.4bn. On 12 May 2026, it announced the sale of £224m of fund interests, around 10.7% of its portfolio, at 8.1% below the value at the previous 30 June, to fund share buybacks. QuotedData links the sale to pressure from two activist shareholders, Metage and Saba. On 28 September 2026, Saba raised its stake from 10.5% to 11.1%, bought at around 28% below NAV.

At HarbourVest Global Private Equity (HVPE), Saba disclosed a 5% stake in February 2026. In April, the board set out a capital return plan, with a $400m tender offer and a target of returning $1bn to shareholders by 2029. On 8 July 2026, a week before the trust’s first continuation vote, Saba doubled its stake to 10%. On 15 July, shareholders voted for continuation by more than 98%.

An activist does not simply buy and wait. It builds a stake large enough to weigh on votes, then asks the board to act on the discount: share buybacks, tender offers, asset sales, or even a wind-down or a change of manager.

For other shareholders, the effect is mixed. The measures obtained can narrow the discount and lift the share price. But they also shrink the trust, and the activist may seek to exit as soon as the gap has narrowed, without sharing the long horizon of the remaining investors.

These campaigns also have an indirect effect: they have pushed the whole sector to clarify its capital allocation policy. How much to return to shareholders, how much to reinvest, and at what level of discount to act are now questions that boards address publicly.

Activist shareholder :
An investor that buys a stake in order to secure changes from the board.

Total return swap :
A contract giving economic exposure to a share without owning it directly. Saba uses them alongside its purchases.

Hedge fund :
An investment fund with flexible strategies, able to buy, sell short or use derivatives.

Capital allocation :
How a trust divides its cash between new investments, dividends and share buybacks.

Sources : QuotedData, Pantheon International sale, 12 May 2026 – QuotedData, Saba lifts Pantheon stake to 11.1%, 28 September 2026 – QuotedData, HVPE capital return plan, 14 April 2026 – QuotedData, Saba doubles HVPE stake to 10%, 8 July 2026 – HVPE, launch of tender offer, 22 October 2026

AVERTISSEMENT
This article is for educational purposes only. It does not constitute investment advice, a recommendation, or a solicitation to buy or sell any security. Past performance is not a reliable indicator of future results.