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Iris Energy
IREN

349 hedge funds and large institutions have $6.1B invested in Iris Energy in 2025 Q3 according to their latest regulatory filings, with 185 funds opening new positions, 70 increasing their positions, 77 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

363% more first-time investments, than exits

New positions opened: 185 | Existing positions closed: 40

215% more capital invested

Capital invested by funds: $1.93B → $6.1B (+$4.17B)

75% more funds holding in top 10

Funds holding in top 10: 8 → 14 (+6)

69% more funds holding

Funds holding: 206 → 349 (+143)

9% less repeat investments, than reductions

Existing positions increased: 70 | Existing positions reduced: 77

14.1% less ownership

Funds ownership: 61.79% → 47.69% (-14%)

23% less call options, than puts

Call options by funds: $3.8B | Put options by funds: $4.96B

Holders
349
Holders Change
+143
Holders Change %
+69.42%
% of All Funds
4.58%
Holding in Top 10
14
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+75%
% of All Funds
0.18%
New
185
Increased
70
Reduced
77
Closed
40
Calls
$3.8B
Puts
$4.96B
Net Calls
-$1.16B
Net Calls Change
-$988M

Top Buyers

Rank Fund Capital Flow
1
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$260M
2
Wells Fargo
Wells Fargo
California
+$176M
3
Two Sigma Investments
Two Sigma Investments
New York
+$102M
4
Citigroup
Citigroup
New York
+$82.5M
5
Jane Street
Jane Street
New York
+$81.6M

Top Sellers

Rank Fund Capital Flow
1
BC
BIT Capital
Germany
-$254M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$159M
3
HRCM
Hood River Capital Management
Florida
-$123M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$93.9M
5
Group One Trading
Group One Trading
Illinois
-$83M
Name Holding Trade Value Shares
Change 		Change in
Stake
AGDI
376
Absolute Gestao de Investimentos
Brazil
– -$364K -25,000 Closed
DI
377
Disciplined Investors
Texas
– -$293K -20,077 Closed
IHL
378
Investment House LLC
California
– -$291K -20,000 Closed
Walleye Trading
379
Walleye Trading
New York
– -$438K -18,023 Closed
SC
380
Shay Capital
New York
– -$389K -16,000 Closed
Macquarie Group
381
Macquarie Group
Australia
– -$176K -12,051 Closed
BNP Paribas Financial Markets
382
BNP Paribas Financial Markets
France
– -$105K -7,174 Closed
QL
383
Quarry LP
New York
– -$45.9K -3,153 Closed
AWM
384
Accredited Wealth Management
Kentucky
– -$7.29K -500 Closed
VWA
385
VSM Wealth Advisory
Maryland
– -$4.37K -300 Closed
BIG
386
Brooklyn Investment Group
New York
– -$3.99K -274 Closed
SFCL
387
Strengthening Families & Communities LLC
Massachusetts
– -$731 -120 Closed
HI
388
Harbour Investments
Wisconsin
– -$1.46K -100 Closed
TCM
389
Tradewinds Capital Management
Washington
– -$365 -25 Closed
CWM
390
CarsonAllaria Wealth Management
Illinois
– -$44 -3 Closed
12 13 14 15
16

IREN Hedge Fund Activity: Q3 2025 in Review

349 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Iris Energy (IREN) for Q3 2025, worth a combined $6.1B — up 215% from $1.93B a quarter earlier.

Buyers outnumbered sellers: 185 funds opened new IREN positions and 40 closed out — a net gain of 145 holders — while 70 added to existing stakes and 77 trimmed.

The largest buyer was D.E. Shaw & Co, opening a new position worth an estimated $260M. The largest seller was BIT Capital, cutting an estimated $254M.

  • 349 institutional investors held Iris Energy (IREN) as of Q3 2025, up from 206 in Q2 2025.
  • Funds reported $6.1B of Iris Energy stock for Q3 2025, up 215% quarter-over-quarter.
  • 185 funds opened new Iris Energy positions in Q3 2025 and 40 closed out, a net change of +145 holders.
  • The largest Iris Energy buyer in Q3 2025 was D.E. Shaw & Co, an estimated $260M added.
  • The largest Iris Energy seller in Q3 2025 was BIT Capital, an estimated $254M sold.

Based on aggregated 13F filings for Q3 2025.