Iris Energy
IREN
162 hedge funds and large institutions have $679M invested in Iris Energy in 2025 Q1 according to their latest regulatory filings, with 39 funds opening new positions, 65 increasing their positions, 44 reducing their positions, and 61 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
48% more repeat investments, than reductions
Existing positions increased: 65 | Existing positions reduced: 44
5.31% more ownership
Funds ownership: 45.63% → 50.94% (+5.3%)
13% less funds holding
Funds holding: 186 → 162 (-24)
23% less capital invested
Capital invested by funds: $884M → $679M (-$204M)
36% less first-time investments, than exits
New positions opened: 39 | Existing positions closed: 61
42% less call options, than puts
Call options by funds: $187M | Put options by funds: $322M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$44.2M |
| 2 |
SA
Situational Awareness
San Francisco,
California
|
+$32.8M |
| 3 |
Walleye Trading
New York
|
+$32.3M |
| 4 |
BC
BIT Capital
Berlin,
Germany
|
+$29.6M |
| 5 |
D.E. Shaw & Co
New York
|
+$27.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$55.8M |
| 2 |
National Bank of Canada
Montreal,
Quebec, Canada
|
-$28.9M |
| 3 |
Two Sigma Investments
New York
|
-$12.4M |
| 4 |
Marshall Wace
London,
United Kingdom
|
-$12.4M |
| 5 |
RP
Regal Partners
Sydney, NSW,
Australia
|
-$10.9M |
IREN Hedge Fund Activity: Q1 2025 in Review
162 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Iris Energy (IREN) for Q1 2025, worth a combined $679M — down 23% from $884M a quarter earlier.
Sellers outnumbered buyers: 61 funds closed out of IREN and 39 opened new positions — a net loss of 22 holders — while 44 trimmed existing stakes and 65 added.
The largest buyer was Citadel Advisors, adding an estimated $44.2M. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $55.8M sold.
- 162 institutional investors held Iris Energy (IREN) as of Q1 2025, down from 186 in Q4 2024.
- Funds reported $679M of Iris Energy stock for Q1 2025, down 23% quarter-over-quarter.
- 39 funds opened new Iris Energy positions in Q1 2025 and 61 closed out, a net change of -22 holders.
- The largest Iris Energy buyer in Q1 2025 was Citadel Advisors, an estimated $44.2M added.
- The largest Iris Energy seller in Q1 2025 was Arrowstreet Capital, an estimated $55.8M sold.
Based on aggregated 13F filings for Q1 2025.