Offshore Oil EngineeringLtd Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 600583?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	60,000	0.00136%
Institutions	574,419,163	13%
General Public	1,400,535,128	31.7%
Private Companies	2,446,340,509	55.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 66.57% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
55.3%	China National Offshore Oil Corporation	2,446,340,509	CN¥15.6b	0.57%	no data
0.83%	Harvest Fund Management Co. Ltd.	36,704,400	CN¥233.8m	0%	0.1%
0.83%	Dacheng Fund Management Co., Ltd.	36,575,600	CN¥233.0m	-43.1%	0.25%
0.81%	Zhong Ou Fund Management Co., Ltd	36,029,400	CN¥229.5m	0%	0.12%
0.79%	Yinhua Fund Management Co., Ltd.	34,913,434	CN¥222.4m	0%	0.21%
0.79%	China Southern Asset Management Co., Ltd.	34,905,400	CN¥222.3m	0%	0.1%
0.78%	ABC-CA Fund Management Co., Ltd.	34,544,500	CN¥220.0m	-25.1%	0.68%
0.74%	ICBC Credit Suisse Asset Management Co., Ltd.	32,682,300	CN¥208.2m	0%	0.17%
0.73%	GF Fund Management Co., Ltd.	32,375,800	CN¥206.2m	0%	0.07%
0.71%	E Fund Management Co., Ltd.	31,515,700	CN¥200.8m	0%	0.04%
0.71%	Bosera Asset Management Co., Ltd.	31,340,760	CN¥199.6m	0%	0.15%
0.63%	China Asset Management Co. Ltd.	27,845,900	CN¥177.4m	0%	0.03%
0.46%	HuaAn Fund Management Company Ltd.	20,123,432	CN¥128.2m	-63.1%	0.08%
0.41%	BlackRock, Inc.	17,957,066	CN¥114.4m	0.47%	no data
0.38%	Essence Fund Management Co., Ltd	16,724,100	CN¥106.5m	-0.97%	0.37%
0.26%	The Vanguard Group, Inc.	11,641,917	CN¥74.2m	0%	no data
0.25%	Bank of Communications Schroder Fund Management Co., Ltd.	10,956,662	CN¥69.8m	0%	0.07%
0.2%	Broad Asset Management Co., Ltd	8,727,816	CN¥55.6m	0%	0.41%
0.17%	Focusbridge Investments Limited	7,461,536	CN¥47.5m	0%	1.09%
0.16%	Fullgoal Fund Management Co. Ltd.	7,162,740	CN¥45.6m	0%	0.02%
0.13%	Dimensional Fund Advisors LP	5,606,497	CN¥35.7m	-0.03%	no data
0.12%	Norges Bank Investment Management	5,506,550	CN¥35.1m	0%	no data
0.12%	Chang Xin Asset Management Corporation Ltd.	5,393,700	CN¥34.4m	0%	0.21%
0.12%	China Merchants Fund Management Company Ltd.	5,233,300	CN¥33.3m	0%	0.02%
0.11%	Gfund Management Co., Ltd.	5,057,696	CN¥32.2m	0%	0.2%