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Ioneer
IONR

33 hedge funds and large institutions have $11.2M invested in Ioneer in 2026 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 6 increasing their positions, 5 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

550% more first-time investments, than exits

New positions opened: 13 | Existing positions closed: 2

50% more funds holding

Funds holding: 22 → 33 (+11)

20% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 5

0.38% less ownership

Funds ownership: 3.74% → 3.36% (-0.38%)

47% less capital inflows, than outflows

Capital inflows: $1.32M | Capital outflows: $2.5M

Holders
33
Holders Change
+11
Holders Change %
+50%
% of All Funds
0.4%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
6
Reduced
5
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Goldman Sachs
Goldman Sachs
New York
+$518K
2
GWM
GK Wealth Management
Nevada
+$129K
3
Vanguard Personalized Indexing Management
Vanguard Personalized Indexing Management
California
+$103K
4
HRT Financial
HRT Financial
New York
+$93.6K
5
XTX Topco
XTX Topco
Cayman Islands
+$83.8K

Top Sellers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
-$1.47M
2
UBS Group
UBS Group
Switzerland
-$368K
3
Citigroup
Citigroup
New York
-$351K
4
Integrated Wealth Concepts
Integrated Wealth Concepts
Massachusetts
-$186K
5
Millennium Management
Millennium Management
New York
-$89.3K

IONR Hedge Fund Activity: Q2 2026 in Review

33 of the 8,353 institutional investors tracked by Wall St. Rank reported a position in Ioneer (IONR) for Q2 2026, worth a combined $11.2M — down 8.6% from $12.2M a quarter earlier.

Buyers outnumbered sellers: 13 funds opened new IONR positions and 2 closed out — a net gain of 11 holders — while 6 added to existing stakes and 5 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $518K. The largest seller was Invesco, cutting an estimated $1.47M.

  • 33 institutional investors held Ioneer (IONR) as of Q2 2026, up from 22 in Q1 2026.
  • Funds reported $11.2M of Ioneer stock for Q2 2026, down 8.6% quarter-over-quarter.
  • 13 funds opened new Ioneer positions in Q2 2026 and 2 closed out, a net change of +11 holders.
  • The largest Ioneer buyer in Q2 2026 was Goldman Sachs, an estimated $518K added.
  • The largest Ioneer seller in Q2 2026 was Invesco, an estimated $1.47M sold.

Based on aggregated 13F filings for Q2 2026.