Ioneer IONR Institutional Ownership

NASDAQ IONR

$2.88 -0.18 (-5.88%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

34 Institutions

Increased 20 58.8%

Unchanged 9 26.5%

Reduced 5 14.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

4.38%

▼-0.49 pp QoQ

Shares Held by Institutions

2.58Mn

of 58.94Mn outstanding

▼-9.91% QoQ

Shares Outstanding

58.94Mn

56.36Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+12 vs prior quarter

Net Shares Added (QoQ)

-284.00K

distributed since last quarter

Value of Holdings

$7.90Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ioneer Ltd (NASDAQ:IONR) showed up in the 13F filings of 34 institutional investors as of June 2026.

Their combined ownership stood at 4.4% of outstanding shares in June 2026, down from 4.9% in March 2026.
They decreased total shares held in IONR by -9.91% quarter over quarter, and investors in Ioneer increased 209.09% from a year ago.
Among the 34 funds, 20 bought more Ioneer shares, 5 sold down, and 9 held their ground.
In total, institutional investors held 2.58Mn shares in Ioneer as of June 2026, down by 284.0K shares quarter on quarter, and up 2.54Mn shares year over year.
As of June 30, 2026, Invesco Ltd. held the largest stake in Ioneer with 1.87Mn shares, accounting for 3.18% of total shares outstanding.
The biggest buyers of Ioneer for the quarter ending June 2026 included Goldman Sachs Group Inc (128.17K), GK Wealth Management LLC (32.03K), Vanguard Personalized Indexing Management, LLC (25.38K), HRT FINANCIAL LP (23.16K), XTX Topco Ltd (20.74K).
The largest sellers of Ioneer for the quarter ending June 2026 were Invesco Ltd. (363.38K), UBS Group AG (91.0K), Citigroup Inc (86.96K), Integrated Wealth Concepts LLC (46.04K), MILLENNIUM MANAGEMENT LLC (22.09K).
According to Business Quant data, leading holders of IONR for June 2026 are Invesco Ltd. (1.87Mn), Goldman Sachs Group Inc (166.4K), Integrated Wealth Concepts LLC (142.52K), Cambridge Investment Research Advisors, Inc. (115.29K), GK Wealth Management LLC (32.03K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (28.82K), Vanguard Personalized Indexing Management, LLC (25.38K), KING LUTHER CAPITAL MANAGEMENT CORP (25.0K), HRT FINANCIAL LP (23.16K), XTX Topco Ltd (20.74K).

Form 13F Holdings

34 Institutional Holders

Report period 30 Jun, 2026

Total shares held 2.58Mn

Of outstanding 4.38%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Invesco Ltd.	0000914208	1,873,219	3.18%	▼363,385	-16.25%	$8.11Mn
2	Goldman Sachs Group Inc	0000886982	166,395	0.28%	▲128,167	+335.27%	$720.49K
3	Integrated Wealth Concepts LLC	0001737109	142,517	0.24%	▼46,043	-24.42%	$617.10K
4	Cambridge Investment Research Advisors, Inc.	0001419186	115,294	0.20%	▲18,747	+19.42%	$499
5	GK Wealth Management LLC	0002069222	32,034	0.05%	▲32,034	0.00%	$138.71K
6	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	28,821	0.05%	▲4,353	+17.79%	$124.80K
7	Vanguard Personalized Indexing Management, LLC	0001767306	25,378	0.04%	▲25,378	0.00%	$109.89K
8	KING LUTHER CAPITAL MANAGEMENT CORP	0000310051	25,000	0.04%	0	0.00%	$108.25K
9	HRT FINANCIAL LP	0001475597	23,162	0.04%	▲23,162	0.00%	$100
10	XTX Topco Ltd	0001828301	20,737	0.04%	▲20,737	0.00%	$89.79K
11	INGALLS & SNYDER LLC	0001041885	20,000	0.03%	▲20,000	0.00%	$87
12	UBS Group AG	0001610520	18,606	0.03%	▼91,002	-83.02%	$80.56K
13	BOKF, NA	0000009634	17,500	0.03%	▲17,500	0.00%	$75.78K
14	Tower Research Capital LLC (TRC)	0001533421	14,555	0.02%	▲14,555	0.00%	$63.02K
15	Citigroup Inc	0000831001	13,042	0.02%	▼86,958	-86.96%	$56.47K
16	Morgan Stanley	0000895421	10,860	0.02%	▲6,755	+164.56%	$47.02K
17	MILLENNIUM MANAGEMENT LLC	0001273087	10,713	0.02%	▼22,089	-67.34%	$46.39K
18	BNP PARIBAS FINANCIAL MARKETS	0001166588	9,445	0.02%	▲9,445	0.00%	$40.90K
19	GAMMA Investing LLC	0002010235	4,531	0.01%	▲2,476	+120.49%	$19.62K
20	RHUMBLINE ADVISERS	0001115418	3,950	0.01%	▲230	+6.18%	$17.10K

Showing 1 to 20 of 34 holders