Comparable stake leader
Citadel Securities GP LLC
SEC ownership of IREN Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001878848.
Disclosed value leader
SUSQUEHANNA SECURITIES, LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- IREN on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Citadel Securities GP LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Citadel Securities GP LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001878848
- Issuer location
- Sydney
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of IREN Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Citadel Securities GP LLC
Disclosed value leader
SUSQUEHANNA SECURITIES, LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
13D/G row: Citadel Securities GP LLC
Showing 1-8 of 50 holder rows.
Quick read
Citadel Securities GP LLC leads the comparable SEC ownership view at 5%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Citadel Securities GP LLC's linked filing trail.
Comparable ownership
Top 5
Citadel Securities GP LLC
5%
JANE STREET GROUP, LLC
4.7%
HANSAINVEST Hanseatische Investme...
4.7%
SUSQUEHANNA SECURITIES, LLC
4.2%
Daniel J. Roberts
2.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Citadel Securities GP LLC |
13D/G
Kenneth Griffin
|
5%
|
$196,810,871
12,126,363 shares
|
$0 | 30 Jun 2025 |
| JANE STREET GROUP, LLC |
13D/G
13F
Company
|
4.7%
|
$583,436,527
15,447,088 shares
|
-$76,241,464 | 31 Dec 2025 |
| HANSAINVEST Hanseatische Investment-Limited Co |
13D/G
|
4.7%
|
$166,042,168
11,396,168 shares
|
+$5,333,727 | 30 Jun 2025 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
Capital Ventures International
|
4.2%
|
$739,423,573
13,954,021 shares
|
-$324,524,802 | 31 Dec 2025 |
| Daniel J. Roberts |
3/4/5
13D/G
Co-Chief Executive Officer, Director · The Awassi Capital Trust #2
|
2.4%
from 13D/G
|
$463,492,618
13,989,697 shares
mixed-class rows
|
-$57,631,000 | 11 Sep 2025 |
| William G. Roberts |
3/4/5
13D/G
Co-Chief Executive Officer, Director · The Awassi Capital Trust #1
|
2.4%
from 13D/G
|
$463,492,618
13,989,697 shares
mixed-class rows
|
-$57,631,000 | 11 Sep 2025 |
| Belinda Nucifora |
3/4/5
Chief Financial Officer
|
0.11%
|
$3,557,445
349,798 shares
|
— | 01 Jul 2025 |
| Anthony J. Lewis |
3/4/5
Chief Financial Officer
|
0.07%
|
$5,333,195
238,515 shares
|
— | 08 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$115,262,000.
Buys
$0
Insiders: 0
Sells
$115,262,000
Insiders: 2
Net
-$115,262,000
Shares: -4,000,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 4,000,000
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 4,000,000 | $0 | $115,262,000 | -$115,262,000 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to IREN Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
William G. Roberts
Net 12M change
-$115,262,000
Latest report
11 Sep 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| William G. Roberts | Co-Chief Executive Officer, Director | $463,492,618 | -$57,631,000 | -11% | Filing P/S | 11 Sep 2025 |
| Daniel J. Roberts | Co-Chief Executive Officer, Director | $463,492,618 | -$57,631,000 | -11% | Filing P/S | 11 Sep 2025 |
| Anthony J. Lewis | Chief Financial Officer | $5,333,195 | Mixed | 08 Sep 2025 | ||
| Belinda Nucifora | Chief Financial Officer | $3,557,445 | Mixed | 01 Jul 2025 | ||
| David James Bartholomew | Director | $1,476,734 | Mixed | 01 Jul 2025 | ||
| Michael Alfred | Director | $1,230,051 | Mixed | 01 Jul 2025 | ||
| Sunita Parasuraman | Director | $712,245 | Mixed | 01 Jul 2025 | ||
| Christopher Guzowski | Director | $519,951 | Mixed | 01 Jul 2025 |
Recent insider transactions for IREN Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Daniel J. Roberts | IREN | Ordinary Shares | Sale | -6.67% | $33,131,000 | $33.13 | -1,000,000 | 13,989,696 | 11 Sep 2025 | By Awassi Capital Trust #2 |
| William G. Roberts | IREN | Ordinary Shares | Sale | -6.67% | $33,131,000 | $33.13 | -1,000,000 | 13,989,696 | 11 Sep 2025 | By Awassi Capital Trust #1 |
| Daniel John Roberts | IREN | Stock Options (Right to Buy) | Sale | -100% | $11,755,000 | $23.51 | -500,000 | 0 | 04 Sep 2025 | By Awassi Capital Trust #2 |
| William Gregory Roberts | IREN | Stock Options (Right to Buy) | Sale | -100% | $11,755,000 | $23.51 | -500,000 | 0 | 04 Sep 2025 | By Awassi Capital Trust #1 |
| Daniel John Roberts | IREN | Stock Options (Right to Buy) | Sale | -50% | $12,745,000 | $25.49 | -500,000 | 500,000 | 03 Sep 2025 | By Awassi Capital Trust #2 |
| William Gregory Roberts | IREN | Stock Options (Right to Buy) | Sale | -50% | $12,745,000 | $25.49 | -500,000 | 500,000 | 03 Sep 2025 | By Awassi Capital Trust #1 |
| Christopher Guzowski | IREN | Ordinary Shares | Award | 327.6% | 39,168 | 51,126 | 01 Jul 2025 | Direct | ||
| William G. Roberts | IREN | Ordinary Shares | Award | 13.6% | 1,793,392 | 14,989,696 | 01 Jul 2025 | By Awassi Capital Trust #1 | ||
| David James Bartholomew | IREN | Ordinary Shares | Award | 50.9% | 48,960 | 145,205 | 01 Jul 2025 | Direct | ||
| Daniel John Roberts | IREN | Ordinary Shares | Award | 13.6% | 1,793,392 | 14,989,696 | 01 Jul 2025 | By Awassi Capital Trust #2 | ||
| Sunita Parasuraman | IREN | Ordinary Shares | Award | 126.9% | 39,168 | 70,034 | 01 Jul 2025 | Direct | ||
| Michael Alfred | IREN | Ordinary Shares | Award | 47.9% | 39,168 | 120,949 | 01 Jul 2025 | Direct | ||
| Belinda Nucifora | IREN | Ordinary Shares | Award | 22.4% | 63,910 | 349,798 | 01 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.