Security key
46211L101
ioneer Ltd - Ordinary Shares, no par value (IONR)
CUSIP: 46211L101
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Ordinary Shares, no par value
- Total 13F shares
- 2,872,789
- Total 13F value
- $12,224,653
- Share change
- +2,381,362
- SEC-reported price per share
- $4.26
- Number of holders
- 21
- Value change
- +$9,921,394
- Number of buys
- 15
- Number of sells
- 11
Report period
Q1 2026
Institutions
21
Top holders
10
IONR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
ioneer Ltd SEC filings
ioneer Ltd company facts
Broader feeds
Reporting periods
Holder history for CUSIP 46211L101
Recent filing periods:
Ownership snapshot
Top reported holders of IONR - ioneer Ltd - Ordinary Shares, no par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
James D. Calaway
Disclosed value leader
James D. Calaway
Comparable rows
0/15
Latest evidence
24 Mar 2026
3/4/5
13F
Highest disclosed value: $277,277,988
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
James D. Calaway has the largest disclosed position value at $277.28M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens James D. Calaway's linked filing trail.
Disclosed position value
Top 5
James D. Calaway
$277.28M
Benard Rowe
$273.84M
Alan Davies
$25.96M
Rose Mckinney-James
$4.32M
Margaret R. Walker
$4.32M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| James D. Calaway |
3/4/5
Director
|
—
class O/S missing
|
$277,277,988
63,595,869 shares
|
— | 18 Mar 2026 |
| Benard Rowe |
3/4/5
Director
|
—
class O/S missing
|
$273,835,008
62,806,195 shares
|
— | 18 Mar 2026 |
| Alan Davies |
3/4/5
Director
|
—
class O/S missing
|
$25,964,996
6,102,232 shares
|
— | 18 Mar 2026 |
| Rose Mckinney-James |
3/4/5
Director
|
—
class O/S missing
|
$4,317,982
990,363 shares
|
— | 18 Mar 2026 |
| Margaret R. Walker |
3/4/5
Director
|
—
class O/S missing
|
$4,317,895
990,343 shares
|
— | 18 Mar 2026 |
| Timothy Roy Woodall |
3/4/5
Director
|
—
class O/S missing
|
$4,199,041
963,083 shares
|
— | 24 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
21
Shares
2,872,789
Rows available
21
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
22
Q1 2026 holders
21
Holder diff
-1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend