Millennium Management
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Millennium Management’s Iris Energy IREN Stock Holding History

Millennium Management’s Portfolio IREN Stock Details IREN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.8M Buy
+344,200
New +$15.5M ﹤0.01% 2017
2025
Q4 		– Sell
-35,000
Closed -$1.64M – 6244
2025
Q3 		$1.64M Sell
35,000
-169,600
-83% -$4.12M ﹤0.01% 4225
2025
Q2 		$2.98M Buy
204,600
+187,600
+1,104% +$1.52M ﹤0.01% 3507
2025
Q1 		$104K Buy
17,000
+3,800
+29% +$37K ﹤0.01% 5434
2024
Q4 		$130K Buy
+13,200
New +$141K ﹤0.01% 5427
2024
Q3 		– Sell
-16,500
Closed -$186K – 6282
2024
Q2 		$186K Buy
+16,500
New +$124K ﹤0.01% 5165

Other funds holding IREN

DE
Defiance ETFs New York $6.98B AUM
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
BC
BIT Capital Berlin, Germany $2.07B AUM 157.17% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
MG
Marex Group London $15.8B AUM 31.44% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Millennium Management's IREN Position: Q1 2026 in Review

Millennium Management increased its Iris Energy (IREN) stake by 28% in Q1 2026, buying an estimated $13.1M and bringing the position to 1,312,381 shares worth $45M. The position accounts for 0.02% of the portfolio, ranked #896.

Millennium Management first reported a position in IREN in Q4 2021 and has held it in 18 quarters since. 501 funds tracked by Wall St. Rank hold IREN as of Q1 2026.

  • Millennium Management held 1,312,381 shares of Iris Energy worth $45M as of Q1 2026.
  • Millennium Management bought 290,660 Iris Energy shares in Q1 2026, an estimated $13.1M.
  • Iris Energy made up 0.02% of Millennium Management's portfolio in Q1 2026, its #896 holding.
  • Millennium Management first reported a position in Iris Energy in Q4 2021 and has held it in 18 quarters since.
  • 501 funds tracked by Wall St. Rank held Iris Energy as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.