ioneer Ltd - IONR

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
MARSHALL WACE, LLP History New 165,231 793 0.0% 1 +165,231 New Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 60,905 292 0.0% 0.0% 2 +51,305 534.43% Q4 2025 Feb 13, 2026
CITADEL ADVISORS LLC History New 56,915 273 0.0% 3 +56,915 New Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Reduced 40,497 194 0.0% 0.0% 4 -13,545 -25.06% Q4 2025 Feb 12, 2026
GK Wealth Management LLC History Reduced 33,775 162 0.11% 0.14% 5 -7,725 -18.61% Q4 2025 Jan 05, 2026
Virtu Financial LLC History New 20,069 96 0.0% 6 +20,069 New Q4 2025 Feb 23, 2026
MILLENNIUM MANAGEMENT LLC History New 19,934 95 0.0% 7 +19,934 New Q4 2025 Feb 17, 2026
OLD MISSION CAPITAL LLC History New 18,270 87 0.0% 8 +18,270 New Q4 2025 Feb 17, 2026
HRT FINANCIAL LP History New 17,322 83 0.0% 9 +17,322 New Q4 2025 Feb 12, 2026
Pekin Hardy Strauss, Inc. History New 16,000 76 0.01% 10 +16,000 New Q4 2025 Jan 30, 2026
Brookwood Investment Group LLC History New 11,500 55 0.01% 11 +11,500 New Q4 2025 Jan 22, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 11,309 54 0.0% 12 +11,309 New Q4 2025 Feb 17, 2026
XTX Topco Ltd History New 11,241 53 0.0% 13 +11,241 New Q4 2025 Feb 17, 2026
UBS Group AG History Added to 2,150 10 0.0% 0.0% 14 +1,907 784.77% Q4 2025 Jan 29, 2026
Marquette Asset Management, LLC History No change 2,000 9 0.0% 0.0% 15 0 0.0% Q4 2025 Jan 16, 2026
RHUMBLINE ADVISERS History New 1,808 8 0.0% 16 +1,808 New Q4 2025 Feb 13, 2026
GAMMA Investing LLC History New 1,191 5 0.0% 17 +1,191 New Q4 2025 Jan 05, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 423 2 0.0% 19 +367 655.36% Q4 2025 Feb 17, 2026
WELLS FARGO & COMPANY/MN History No change 500 2 0.0% 0.0% 18 0 0.0% Q4 2025 Feb 13, 2026
OSAIC HOLDINGS, INC. History Reduced 300 1 0.0% 0.0% 20 -100 -25.0% Q4 2025 Feb 17, 2026
LPL Financial LLC History Closed out 0 0 0.0% -11,190 -100.0% Q3 2025 Nov 12, 2025
Mariner, LLC History Closed out 0 0 0.0% -10,000 -100.0% Q3 2025 Nov 14, 2025
EverSource Wealth Advisors, LLC History Reduced 27 0 0.0% -1,034 -97.46% Q4 2025 Feb 06, 2026
Bogart Wealth, LLC History Added to 60 0 +20 50.0% Q4 2025 Jan 30, 2026
BESSEMER GROUP INC History No change 36 0 0 0.0% Q4 2025 Feb 05, 2026