6月13日，巨灵财经数据显示，北向资金12日增持海油发展预估3171.81万元，累计持股3.07亿股，总计持有市值12.66亿元，占流通股比例3.02%。
海油发展获北向资金买入3171.81万元，累计持股3.07亿股
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