Iris Energy Limited (IREN) Ownership

NASDAQ: IRENTop holders, insider trades and short interest.

IREN ownership summary

as of October 18, 2026
Institutions
62.0%
of shares outstanding
Insiders
6.52%
of shares outstanding
Shares outstanding
394.1M
Float
346.2M
shares available to trade
Short interest
21.34%
81.7M shares short
Days to cover
2.26
short interest down 1.7% vs prior month
  • Institutions 62.04%
  • Insiders 6.52%
  • Other investors 31.44%

IREN top institutional holders

20 largest
Iris Energy Limited top institutional holders
#Holder% of sharesSharesValueChangeReported
1Bank of America Corp3.61%14.2M$383.6M+12.1M (+564.5%)June 30, 2026
2BlackRock Inc3.38%13.3M$359.4M+8.9M (+198.7%)June 30, 2026
3The Goldman Sachs Group Inc3.18%12.5M$337.9M+6.9M (+124.7%)June 30, 2026
4Situational Awareness Partners LP2.97%11.7M$315.8M+11.7M (0.0%)March 31, 2026
5Citigroup Inc2.91%11.5M$309.6M+566,739 (+5.2%)June 30, 2026
6Situational Awareness LP2.40%9.5M$255.7M−2.2M (−19.0%)June 30, 2026
7Value Aligned Research Advisors LLC2.15%8.5M$228.5M+3.7M (+77.6%)June 30, 2026
8Morgan Stanley - Brokerage Accounts1.84%7.3M$195.9M+3.5M (+93.8%)June 30, 2026
9State Street Corp1.62%6.4M$172.3M+3.8M (+143.8%)June 30, 2026
10NORGES BANK1.32%5.2M$140.3M+5.2M (0.0%)June 30, 2026
11CANTOR FITZGERALD, L. P.1.28%5.0M$135.8M+2.1M (+71.2%)June 30, 2026
12Jane Street Group LLC1.08%4.2M$114.6M+1.4M (+48.7%)June 30, 2026
13Daiwa Securities Group Inc1.08%4.2M$114.3M+4.2M (+13,927.7%)June 30, 2026
14Deutsche Bank AG1.00%3.9M$106.6M+3.6M (+931.4%)June 30, 2026
15Clear Street Group Inc0.83%3.3M$88.8M+1.2M (+59.4%)June 30, 2026
16UBS Group AG0.83%3.3M$88.2M−415,983 (−11.3%)June 30, 2026
17HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND0.77%3.0M$82.2M+3.0M (0.0%)June 30, 2026
18Fred Alger Management, LLC0.73%2.9M$77.6M+2.5M (+784.1%)June 30, 2026
19JPMorgan Chase & Co0.69%2.7M$72.9M+848,305 (+45.8%)June 30, 2026
20Two Sigma Investments LLC0.66%2.6M$70.5M−251,820 (−8.8%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 75.2M shares and 3 cut 2.9M.

IREN top mutual fund and ETF holders

20 largest
Iris Energy Limited top fund holders
#Holder% of sharesSharesValueChangeReported
1BIT Global Technology Leaders R-I1.07%4.2M$114.1M+421,137 (+11.1%)August 31, 2026
2Alger Focus Equity I0.46%1.8M$48.5M+833,252 (+86.5%)July 31, 2026
3iShares Russell Mid-Cap ETF0.36%1.4M$38.7M+2,641 (+0.2%)September 30, 2026
4Fidelity Mid Cap Index0.32%1.2M$33.6M+12,205 (+1.0%)August 31, 2026
5VanEck Crypto&Blckchan Innovtr ETF A USD0.22%879K$23.7M−1,036 (−0.1%)September 30, 2026
6Invesco CoinShares Global Blockchain ETF0.20%769K$20.7M—September 30, 2026
7iShares Blockchain Technology ETF USDCap0.19%761K$20.5M—September 30, 2026
8First Trust Technology AlphaDEX® ETF0.19%738K$19.9M—September 30, 2026
9Global X Blockchain ETF0.18%724K$19.5M—September 30, 2026
10iShares Russell 1000 Value ETF0.17%677K$18.3M−1,040 (−0.2%)September 30, 2026
11VanEck Digital Trfmt ETF0.17%653K$17.6M—September 30, 2026
12Alger Capital Appreciation Instl I0.15%592K$16.0M+285,457 (+93.2%)July 31, 2026
13BIT Global Crypto Leaders I-I0.15%578K$15.6M+10,395 (+1.8%)August 31, 2026
14Artemis US Smaller Companies I Acc GBP0.14%544K$14.7M−185,391 (−25.4%)June 30, 2026
15iShares Core MSCI World ETF USD Acc0.14%537K$14.5M+365 (+0.1%)September 30, 2026
16Invesco Glbl Consmr Trnds A USD Acc0.13%531K$14.3M—August 31, 2026
17American Funds Growth Fd of Amer A0.13%500K$13.5M−1.4M (−73.9%)June 30, 2026
18Alger Capital Appreciation A0.12%471K$12.7M+224,857 (+91.3%)July 31, 2026
19iShares Russell Mid-Cap Value ETF0.12%456K$12.3M+496 (+0.1%)September 30, 2026
20iShares US Technology ETF0.11%440K$11.9M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

IREN insider transactions

latest 6
Iris Energy Limited insider transactions
DateNameTransactionPriceSharesValue
2026-01-28Dale W. StrongBuy$62.94——
2026-01-20Cleo FieldsBuy$54.26——
2025-12-26Cleo FieldsSell$40.30——
2025-12-09Cleo FieldsBuy$46.84——
2025-10-10Cleo FieldsBuy$59.77——
2025-09-11Daniel John RobertsSell$33.131,000,000$33.1M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

IREN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns IREN

Institutional investors own 62.0% of Iris Energy's shares and insiders 6.52%. The largest holder is Bank of America Corp with 3.61% of the shares (14.2M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 21.34% of the float, or 2.26 days of average trading volume. The share count rose 1,728.8% since 2019.

Related: IREN analyst forecast, IREN key metrics. See the IREN stock overview for the latest quote and news.

IREN ownership FAQ

Who owns the most Iris Energy stock?

The largest shareholders of Iris Energy are Bank of America Corp (3.61%), BlackRock Inc (3.38%), The Goldman Sachs Group Inc (3.18%), Situational Awareness Partners LP (2.97%), Citigroup Inc (2.91%).

What percentage of Iris Energy is owned by institutions?

Institutions hold 62.0% of Iris Energy's shares outstanding; insiders hold 6.52%.

Which funds own Iris Energy?

The largest fund holders of Iris Energy are BIT Global Technology Leaders R-I (1.07%), Alger Focus Equity I (0.46%), iShares Russell Mid-Cap ETF (0.36%), Fidelity Mid Cap Index (0.32%), VanEck Crypto&Blckchan Innovtr ETF A USD (0.22%).

What is Iris Energy's short interest?

81.7M shares of Iris Energy were sold short, 21.34% of the float; at the average daily volume it would take 2.26 days to cover.

Are insiders buying or selling Iris Energy?

Of the latest 6 reported insider transactions in Iris Energy (since September 11, 2025), 4 were purchases and 2 were sales.

How many shares of Iris Energy are outstanding?

Iris Energy has 394.1M shares outstanding, of which 346.2M are in the public float.

Capital Markets: ownership