Who owns IREN (IREN)?
118 holders named in SEC filings declare between 65.5% and 72.9% of IREN's shares outstanding, as of Sep 23, 2026. The largest are Daniel John Roberts (6.6%), William Gregory Roberts (6.6%) and Citadel (5.2%); the five largest hold 26.2% together. Another 561 institutions hold small positions worth 4.3%. At least 22.8% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 25.0% and sold 10.3% of the shares, a net purchase of 14.7%; 210 opened a position, 227 added, 137 reduced and 44 sold out. Biggest buyers: Bank of America (+12.1M shares) and BlackRock (+8.9M shares). Biggest sellers: Defiance ETFs, LLC (-12.6M) and D. E. Shaw (-6.1M). Schedule 13D/G filings since Mar 31, 2026: Kenneth Griffin fell below 5% (5.2% still declared) on Sep 23, 2026 and BANK OF AMERICA CORP /DE/ crossed 5% (5.9%) on Jun 30, 2026. Directors and officers, from their latest Form 4: Daniel John Roberts (6.6%) and William Gregory Roberts (6.6%). Over time, 665 managers declared IREN in their 13F for Q2 2026, against 28 for Q4 2021: together at most 58.6% of the shares outstanding, against 2.2%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Daniel John Roberts | Form 4 | 6.6% | Jul 1, 2026 | — |
| William Gregory Roberts | Form 4 | 6.6% | Jul 1, 2026 | — |
| Citadel | 13G | 5.2% | Sep 23, 2026 | — |
| Bank of America | 13F | 4.0% | Jun 30, 2026 | Q1 2024 |
| BlackRock | 13F | 3.7% | Jun 30, 2026 | Q1 2023 |
| Goldman Sachs | 13F | 3.5% | Jun 30, 2026 | Q4 2023 |
| CITIGROUP INC | 13F | 3.2% | Jun 30, 2026 | Q2 2024 |
| Situational Awareness LP | 13F | 2.7% | Jun 30, 2026 | Q1 2025 |
| Value Aligned Research Advisors, LLC | 13F | 2.4% | Jun 30, 2026 | Q2 2025 |
| Morgan Stanley | 13F | 2.0% | Jun 30, 2026 | Q4 2021 |
| BIT Capital GmbH | 13F | 2.0% | Jun 30, 2026 | Q2 2022 |
| State Street | 13F | 1.8% | Jun 30, 2026 | Q3 2022 |
| Norges Bank | 13F | 1.5% | Jun 30, 2026 | Q2 2026 |
| Jane Street | 13F | 1.2% | Jun 30, 2026 | Q3 2023 |
| Daiwa Securities Group Inc. | 13F | 1.2% | Jun 30, 2026 | Q1 2026 |
| Deutsche Bank | 13F | 1.1% | Jun 30, 2026 | Q2 2025 |
| Clear Street Group Inc. | 13F | 0.92% | Jun 30, 2026 | Q4 2025 |
| UBS | 13F | 0.91% | Jun 30, 2026 | Q4 2021 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 13F | 0.85% | Jun 30, 2026 | Q2 2026 |
| FRED ALGER MANAGEMENT, LLC | 13F | 0.80% | Jun 30, 2026 | Q4 2025 |
| JPMorgan | 13F | 0.76% | Jun 30, 2026 | Q4 2024 |
| Two Sigma | 13F | 0.73% | Jun 30, 2026 | Q1 2023 |
| CANTOR FITZGERALD, L. P. | 13F | 0.70% | Jun 30, 2026 | Q2 2024 |
| Marex Group plc | 13F | 0.63% | Jun 30, 2026 | Q3 2025 |
| NATIONAL BANK OF CANADA /FI/ | 13F | 0.62% | Jun 30, 2026 | Q1 2026 |
IREN institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2021 | 28 | 2.2% | $99.9M | 92.9% |
| Q4 2022 | 25 | 3.0% | $10.7M | 73.1% |
| Q4 2023 | 59 | 8.7% | $175.6M | 75.4% |
| Q4 2024 | 185 | 31.7% | $883.5M | 69.8% |
| Q4 2025 | 395 | 49.9% | $5.3B | 64.5% |
| Q2 2026 | 665 | 58.6% | $9.6B | 61.0% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.