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	20,000	0.000452%
Institutions	520,045,878	11.8%
General Public	1,454,948,413	32.9%
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 66.16% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
55.3%	China National Offshore Oil Corporation	2,446,340,509	CN¥13.3b	0%	no data
0.83%	Harvest Fund Management Co. Ltd.	36,704,400	CN¥199.7m	0%	0.06%
0.83%	Dacheng Fund Management Co., Ltd.	36,575,600	CN¥199.0m	0%	0.17%
0.81%	Zhong Ou Fund Management Co., Ltd	36,029,400	CN¥196.0m	0%	0.1%
0.79%	Yinhua Fund Management Co., Ltd.	34,913,434	CN¥189.9m	0%	0.17%
0.79%	China Southern Asset Management Co., Ltd.	34,905,400	CN¥189.9m	0%	0.07%
0.75%	AEGON-Industrial Fund Management Co. Ltd.	33,291,834	CN¥181.1m	173%	0.14%
0.74%	ICBC Credit Suisse Asset Management Co., Ltd.	32,682,300	CN¥177.8m	0%	0.13%
0.73%	GF Fund Management Co., Ltd.	32,375,800	CN¥176.1m	0%	0.05%
0.71%	E Fund Management Co., Ltd.	31,515,700	CN¥171.4m	0%	0.03%
0.71%	Bosera Asset Management Co., Ltd.	31,340,760	CN¥170.5m	0%	0.1%
0.63%	China Asset Management Co. Ltd.	27,845,900	CN¥151.5m	0%	0.02%
0.47%	HuaAn Fund Management Company Ltd.	20,723,432	CN¥112.7m	0%	0.07%
0.4%	BlackRock, Inc.	17,836,780	CN¥97.0m	6.94%	no data
0.37%	Franklin Templeton Sealand Fund Management Co., Ltd.	16,450,400	CN¥89.5m	0%	0.33%
0.27%	The Vanguard Group, Inc.	12,075,070	CN¥65.7m	0%	no data
0.16%	Penghua Fund Management Co., Ltd.	7,142,845	CN¥38.9m	74.6%	0.03%
0.14%	Essence Fund Management Co., Ltd	6,158,900	CN¥33.5m	-63.2%	0.13%
0.13%	Dimensional Fund Advisors LP	5,764,085	CN¥31.4m	-0.35%	no data
0.11%	Bank of Communications Schroder Fund Management Co., Ltd.	5,051,686	CN¥27.5m	-24.1%	0.03%
0.1%	Guotai Asset Management Company Limited	4,412,596	CN¥24.0m	2,100%	0.01%
0.1%	China Universal Asset Management Company Ltd.	4,411,900	CN¥24.0m	-30.9%	0.01%
0.092%	Acadian Asset Management LLC	4,079,000	CN¥22.2m	0%	0.01%
0.079%	HSBC Jintrust Fund Management Company Limited	3,481,100	CN¥18.9m	0%	0.07%
0.07%	Morgan Stanley Fund Management (China) Co., Ltd.	3,084,700	CN¥16.8m	33.7%	0.23%