In November, the new Labour Government said it had begun policy work to further tighten the sale of local assets to foreigners beyond the initial announcement of an effective ban on overseas buyers of existing residential property.
The OIO would not comment on whether this has had an impact in this case.
Harvard bought the Big Sky Dairy Farm properties out of receivership in 2010 for about $32m, after what was Central Otago's biggest dairy farm operator defaulted on payments in 2007 before being placed in liquidation two years later.
Previously, Bloomberg reported that US private equity firm KKR & Co was close buying the 3440ha of dairy farmland for US$70m ($100m), as part of a scaling back of the Ivy League university endowment fund's exposure to natural resources.
The Cambridge, Massachusetts-based university has held about 10 per cent of its US$35.7 billion endowment fund in natural resources, built up by former Fletcher Challenge executive Andy Wiltshire who left Harvard Management Co last year.
Among those investments was the central North Island's Kaingaroa forest.
The farms' holding company, DF1, reported a $2.8m loss on revenue of $14.3m in the year ended June 30,2017. The prior year, DF1 posted a loss of $4.5m on revenue of $12m.