Who Owns ioneer Ltd (IONR)?Hedge Fund & Institutional Holders

$3.23-0.32 (-8.94%)Basic MaterialsNASDAQ

Institutional Holders

27

as of Q4 2025

Total Institutional Value

$8.700055000100004e+36T

% of Float Held

—

QoQ Change in Holders

+14 / -2

Price History

$2.51$4.08$5.65$7.22$8.79Aug 24Jun 25Mar 26

IONR — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
OLD MISSION CAPITAL LLCNew Position+18K+$87.0M
Brookwood Investment Group LLCNew Position+12K+$55.0M
UBS Group AGIncreased+2K+$8.9M
GAMMA Investing LLCNew Position+1K+$5.0M
GK Wealth Management LLCNew Position+34K+$162K
Virtu Financial LLCNew Position+20K+$96K
Pekin Hardy Strauss, Inc.New Position+16K+$76K
Marquette Asset Management, LLCNew Position+2K+$9K
BESSEMER GROUP INCNew Position+36+$0
RHUMBLINE ADVISERSNew Position+2K+$0
MILLENNIUM MANAGEMENT LLCNew Position+20K+$0
MARSHALL WACE, LLPNew Position+165K+$0
CITADEL ADVISORS LLCNew Position+57K+$0
SUSQUEHANNA INTERNATIONAL GROUP, LLPNew Position+11K+$0
HRT FINANCIAL LPNew Position+17K+$0

IONR — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
JANE STREET GROUP, LLCDecreased-14K-$241.6M
LPL Financial LLCClosed Position-11K-$50.0M
Mariner, LLCClosed Position-10K-$44.7M
EverSource Wealth Advisors, LLCDecreased-1K-$4.7M
OSAIC HOLDINGS, INC.Decreased-100-$1.3M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1OLD MISSION CAPITAL LLC18,270$87.0M0.00%Share
2Brookwood Investment Group LLC11,500$55.0M0.01%Share
3UBS Group AG2,150$10.0M0.00%Share
4GAMMA Investing LLC1,191$5.0M0.00%Share
5GK Wealth Management LLC33,775$162K0.11%Share
6Virtu Financial LLC20,069$96K0.00%Share
7Pekin Hardy Strauss, Inc.16,000$76K0.01%Share
8Marquette Asset Management, LLC2,000$9K0.00%Share
9MARSHALL WACE, LLP139,195$00.00%Share
10CITADEL ADVISORS LLC56,915$00.00%Share
11EverSource Wealth Advisors, LLC27$00.00%Share
12MORGAN STANLEY60,600$00.00%Share
13MORGAN STANLEY305$00.00%Share
14OSAIC HOLDINGS, INC.300$00.00%Share
15XTX Topco Ltd11,241$00.00%Share
16WELLS FARGO & COMPANY/MN500$00.00%Share
17RHUMBLINE ADVISERS1,808$00.00%Share
18MILLENNIUM MANAGEMENT LLC19,934$00.00%Share
19SUSQUEHANNA INTERNATIONAL GROUP, LLP11,309$00.00%Share
20JONES FINANCIAL COMPANIES LLLP423$00.00%Share
21Bogart Wealth, LLC60$00.00%Share
22HRT FINANCIAL LP17,322$00.00%Share
23BESSEMER GROUP INC36$00.00%Share
24JANE STREET GROUP, LLC33,504$00.00%Share
25JANE STREET GROUP, LLC6,993$00.00%Share
26MARSHALL WACE, LLP999$00.00%Share
27MARSHALL WACE, LLP25,037$00.00%Share

IONR Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202523$157.3M+15
Q3 20258$345.7M-2
Q2 202510$150.4M+2
Q1 20258$390.9M+1
Q4 20247$64.7M+3
Q3 20244$13.2M+1
Q2 20243$14.0M+0
Q1 20243$29.1M—

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As of Q4 2025, 27 institutional investors hold IONR (ioneer Ltd). The largest holder is OLD MISSION CAPITAL LLC with $87.0M in shares. This quarter, 14 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own IONR?

As of Q4 2025, 27 institutional investors report holding IONR (ioneer Ltd) in their 13F filings.

Who is the largest institutional holder of IONR?

The largest institutional holder of IONR is OLD MISSION CAPITAL LLC with $87.0M in shares.

Is institutional ownership of IONR increasing or decreasing?

This quarter, 14 institutions opened new positions in IONR and 2 closed their positions.