ioneer Ownership

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

Recent Insider Transactions

OTCPK:GSCC.F Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
24 Mar 26	BuyUS$15,060	Timothy Woodall	Individual	200,000	US$0.075
24 Mar 26	BuyUS$21,600	Timothy Woodall	Individual	200,000	US$0.11
17 Jul 25	BuyUS$30,134	Alan John Davies	Individual	455,700	US$0.066

Insider Trading Volume

Insider Buying: GSCC.F insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GSCC.F?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	186,096,916	6.05%
Private Companies	544,221,080	17.7%
Institutions	670,943,846	21.8%
General Public	1,673,372,115	54.4%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 30.5%.

Top Shareholders

Top 25 shareholders own 44.64% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
12.3%	Centaurus Capital LP	377,352,433	US$36.9m	-11.9%	no data
9.32%	BNY Asset Management	286,419,800	US$28.0m	26.2%	no data
2.6%	The Vanguard Group, Inc.	80,054,343	US$7.8m	1.73%	no data
2.56%	Bernard Rowe	78,806,195	US$7.7m	0%	no data
2.49%	Fidelity International Ltd	76,464,816	US$7.5m	40.2%	no data
2.43%	Invesco Capital Management LLC	74,771,760	US$7.3m	0%	no data
2.07%	James Calaway	63,595,869	US$6.2m	0%	no data
1.72%	FNL Investments Pty Ltd	52,950,000	US$5.2m	0%	no data
1.43%	Konwave AG (Gold 2000)	44,020,793	US$4.3m	163%	0.11%
1.25%	Quality Life Pty Ltd	38,374,590	US$3.8m	2.04%	no data
1.1%	Versatile Money Pty Ltd	33,925,169	US$3.3m	21.6%	no data
0.96%	Australian Super Pty Ltd	29,504,797	US$2.9m	-1.43%	no data
0.68%	Lucas Family Trust	20,998,889	US$2.1m	7.08%	no data
0.67%	Howarth Commercial Pty Ltd	20,619,999	US$2.0m	5.03%	no data
0.6%	Dimensional Fund Advisors LP	18,449,042	US$1.8m	-5.99%	no data
0.45%	Mirae Asset Global Investments Co., Ltd.	13,867,878	US$1.4m	12.3%	no data
0.35%	ALPS Advisors, Inc.	10,817,655	US$1.1m	34.5%	no data
0.32%	Matt Weaver	9,884,610	US$966.0k	5.14%	no data
0.29%	Ian Bucknell	8,945,076	US$874.2k	42%	no data
0.26%	Yoshio Nagai	7,935,490	US$775.5k	35.7%	no data
0.21%	Marshall Wace LLP	6,609,240	US$645.9k	0%	no data
0.2%	Alan John Davies	6,102,232	US$596.4k	3.18%	no data
0.14%	Charles Schwab Investment Management, Inc.	4,270,494	US$417.3k	3.45%	no data
0.13%	Pictet Asset Management Limited	4,007,921	US$391.7k	0%	no data
0.13%	Cambridge Investment Research Advisors, Inc.	3,861,880	US$377.4k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/05/06 22:41
End of Day Share Price	2026/05/06 00:00
Earnings	2025/12/31
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

ioneer Ltd is covered by 3 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
Stuart Howe	Bell Potter
Timothy Hoff	Canaccord Genuity
Matthew Hope	Ord Minnett Limited