Merdeka Battery Materials Ownership

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

Recent Insider Transactions

IDX:MBMA Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
09 Jul 26	SellRp570,829,058,434	Winato Kartono	Individual		1,194,212,325	Rp478.00

Insider Trading Volume

Insider Buying: MBMA insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MBMA?
Owner Type	Number of Shares	Ownership Percentage
Institutions	620,387,904	0.574%
Individual Insiders	1,009,551,488	0.935%
Private Companies	8,149,060,000	7.55%
General Public	38,274,612,231	35.4%
Public Companies	59,941,808,277	55.5%

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

Top Shareholders

Top 22 shareholders own 64.56% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
50%	PT Merdeka Copper Gold Tbk	54,045,287,677	Rp29.7t	0%	no data
7.55%	Huayong International (Hong Kong) Limited	8,149,060,000	Rp4.5t	0%	no data
5.46%	PT Provident Investasi Bersama Tbk	5,896,520,600	Rp3.2t	0%	no data
0.92%	Winato Kartono	998,635,988	Rp549.2b	-54.5%	no data
0.26%	ALPS Advisors, Inc.	279,762,850	Rp153.9b	2.34%	0.03%
0.16%	Dimensional Fund Advisors LP	176,218,300	Rp96.9b	-10.9%	no data
0.039%	Fideuram Asset Management (Ireland) DAC	42,394,500	Rp23.3b	0%	0.01%
0.023%	GWL Investment Management Ltd.	24,978,036	Rp13.7b	57.3%	no data
0.018%	BlackRock, Inc.	19,112,700	Rp10.5b	0%	no data
0.017%	Geode Capital Management, LLC	18,579,266	Rp10.2b	0%	no data
0.016%	BNPP Asset Management Holding	17,666,700	Rp9.7b	0%	no data
0.012%	Van Eck Associates Corporation	13,121,900	Rp7.2b	41.1%	no data
0.012%	WisdomTree Asset Management, Inc.	12,735,400	Rp7.0b	-1.09%	no data
0.01%	Anthony Tan	10,915,500	Rp6.0b	0%	no data
0.004%	BNY Asset Management	4,318,300	Rp2.4b	19.3%	no data
0.0036%	American Century Investment Management Inc	3,875,400	Rp2.1b	0%	no data
0.0032%	Amundi Asset Management SAS	3,475,900	Rp1.9b	57.6%	no data
0.0029%	Lion Global Investors Limited	3,122,700	Rp1.7b	0%	no data
0.00036%	Northern Trust Global Investments	391,000	Rp213.8m	0%	no data
0.0002%	1832 Asset Management L.P.	220,000	Rp118.8m	0%	no data
0.0002%	Goldman Sachs Asset Management, L.P.	214,951	Rp118.8m	-74%	no data
0.00019%	First Trust Advisors LP	200,001	Rp112.9m	275%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/06 10:37
End of Day Share Price	2026/08/06 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

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.

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 Github.

Analyst Sources

PT Merdeka Battery Materials Tbk. is covered by 13 analysts. 6 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
Yu Jie Lo	BofA Global Research
Jacquelin Hamdani	CGS International
Ryan Davis	Citigroup Inc