Brookfield, Northwest, CPPIB and OTTP all circle Healthscope. : Australia’s healthcare sector has become a battleground for Canadian institutional investors and pension funds as four groups seek a stake in the country’s second-largest private operator. On Monday, Healthscope attracted an AUD4.35bn (€2.74bn) unsolicited bid from Brookfield Asset Management. Last week, Northwest Healthcare Properties REIT independently acquired a strategic stake in the trust for AUD416m for a 10.1% stake, giving it a voice in any takeover move.