Anton Oilfield Services Group Ownership

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

Recent Insider Transactions

SEHK:3337 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
11 Sep 24	SellHK$848,006	Zhifeng Pi	Individual		1,600,000	HK$0.53
03 May 24	SellHK$478,688	Xiaoping Zhu	Individual		1,125,000	HK$0.43

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 3337?
Owner Type	Number of Shares	Ownership Percentage
Institutions	78,797,581	2.66%
Public Companies	193,766,678	6.54%
Individual Insiders	765,930,408	25.9%
General Public	1,923,153,188	64.9%

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

Top Shareholders

Top 15 shareholders own 35.06% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
25%	Lin Luo	740,504,075	HK$436.9m	0.32%	no data
6.54%	China Oil HBP Science & Technology Co., Ltd	193,766,678	HK$114.3m	0%	no data
2.55%	Dimensional Fund Advisors LP	75,657,581	HK$44.6m	0%	no data
0.66%	Yonghong Fan	19,600,000	HK$11.6m	8.29%	no data
0.075%	Yongyi Zhang	2,215,000	HK$1.3m	17.2%	no data
0.06%	Yiaw Wee	1,775,000	HK$1.0m	22.4%	no data
0.04%	State Street Global Advisors, Inc.	1,186,000	HK$699.8k	-3.89%	no data
0.033%	Song Huang	975,000	HK$575.2k	50%	no data
0.022%	Xiaoping Zhu	650,000	HK$383.5k	100%	no data
0.018%	AXA Investment Managers S.A.	546,000	HK$322.2k	0%	no data
0.017%	FinLABO SIM S.p.A., Asset Management Arm	500,000	HK$295.0k	0%	0.06%
0.017%	SEI Investments Management Corporation	492,000	HK$290.2k	0%	no data
0.012%	American Century Investment Management Inc	364,000	HK$214.8k	0%	no data
0.0071%	Zhifeng Pi	211,333	HK$124.8k	0%	no data
0.0018%	Connor, Clark & Lunn Investment Management Ltd.	52,000	HK$30.8k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/31 08:37
End of Day Share Price	2024/12/31 00:00
Earnings	2024/06/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Anton Oilfield Services Group is covered by 34 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Clement Chen	Barclays
Yong Liang Por	BNP Paribas Securities (Asia)
Cho Ming Lau	BOCI Research Ltd.