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IONR

Ioneer
IONR

22 hedge funds and large institutions have $12.2M invested in Ioneer in 2026 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 6 increasing their positions, 1 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

500% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 1

418% more capital invested

Capital invested by funds: $2.36M → $12.2M (+$9.87M)

3% more ownership

Funds ownership: 0.73% → 3.74% (+3%)

4% less funds holding

Funds holding: 23 → 22 (-1)

10% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 10

Holders
22
Holders Change
-1
Holders Change %
-4.35%
% of All Funds
0.27%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
6
Reduced
1
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
+$9.99M
2
IWC
Integrated Wealth Concepts
Massachusetts
+$843K
3
UBS Group
UBS Group
Switzerland
+$480K
4
Citigroup
Citigroup
New York
+$447K
5
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors
Iowa
+$431K

Top Sellers

Rank Fund Capital Flow
1
Marshall Wace
Marshall Wace
United Kingdom
-$793K
2
Citadel Advisors
Citadel Advisors
Florida
-$273K
3
Morgan Stanley
Morgan Stanley
New York
-$254K
4
Jane Street
Jane Street
New York
-$194K
5
GWM
GK Wealth Management
Nevada
-$162K
Name Holding Trade Value Shares
Change 		Change in
Stake
VF
26
Virtu Financial
New York
– -$96K -20,069 Closed
OMC
27
Old Mission Capital
Illinois
– -$87.7K -18,270 Closed
HF
28
HRT Financial
New York
– -$83K -17,322 Closed
PHS
29
Pekin Hardy Strauss
Illinois
– -$76.8K -16,000 Closed
BIG
30
Brookwood Investment Group
Arizona
– -$55.2K -11,500 Closed
XT
31
XTX Topco
Cayman Islands
– -$54K -11,241 Closed
1
2

IONR Hedge Fund Activity: Q1 2026 in Review

22 of the 8,136 institutional investors tracked by Wall St. Rank reported a position in Ioneer (IONR) for Q1 2026, worth a combined $12.2M — up 418% from $2.36M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of IONR and 9 opened new positions — a net loss of 1 holder — while 1 trimmed existing stakes and 6 added.

The largest buyer was Invesco, opening a new position worth an estimated $9.99M. The largest seller was Marshall Wace, exiting entirely with an estimated $793K sold.

  • 22 institutional investors held Ioneer (IONR) as of Q1 2026, down from 23 in Q4 2025.
  • Funds reported $12.2M of Ioneer stock for Q1 2026, up 418% quarter-over-quarter.
  • 9 funds opened new Ioneer positions in Q1 2026 and 10 closed out, a net change of -1 holder.
  • The largest Ioneer buyer in Q1 2026 was Invesco, an estimated $9.99M added.
  • The largest Ioneer seller in Q1 2026 was Marshall Wace, an estimated $793K sold.

Based on aggregated 13F filings for Q1 2026.