Blackrock Investment Management, the world’s largest fund manager, was shorting shares equal to nearly 1.8 per cent of the struggling telecoms company’s outstanding shares, while Marshall Wace had a short position of 0.8 per cent of the stock. Marshall Wace and Blackrock Investment Management were set to benefit significantly from holding their respective 0.8% and 0.8% short positions on TalkTalk , wrote Marshall Wace in TalkTalk . Close to a tenth of the value was knocked off the telecoms firm’s shares after a profit warning was issued on 8 February .
Marshall Wace and Blackrock Investment Management were set to benefit significantly from holding their respective 0.8% and 0.8% short positions on TalkTalk , wrote Marshall Wace in TalkTalk . Close to a tenth of the value was knocked off the telecoms firm’s shares after a profit warning was issued on 8 February .