Citadel Advisors
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Citadel Advisors’s Iris Energy IREN Stock Holding History

Citadel Advisors’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 		$255M Sell
7,448,400
-2,981,300
-29% -$135M 0.04% 353
2025
Q4 		$394M Sell
10,429,700
-2,298,400
-18% -$119M 0.06% 250
2025
Q3 		$597M Buy
12,728,100
+3,341,400
+36% +$81.1M 0.09% 141
2025
Q2 		$137M Buy
9,386,700
+2,093,500
+29% +$17M 0.02% 566
2025
Q1 		$44.4M Buy
7,293,200
+1,712,200
+31% +$16.7M 0.01% 1237
2024
Q4 		$54.8M Buy
5,581,000
+1,627,300
+41% +$17.3M 0.01% 1193
2024
Q3 		$33.4M Buy
3,953,700
+1,376,800
+53% +$12.7M 0.01% 1581
2024
Q2 		$29.1M Buy
2,576,900
+1,923,100
+294% +$14.4M 0.01% 1635
2024
Q1 		$3.53M Buy
653,800
+549,400
+526% +$2.98M ﹤0.01% 4530
2023
Q4 		$746K Buy
104,400
+83,800
+407% +$360K ﹤0.01% 7255
2023
Q3 		$76.4K Buy
+20,600
New +$110K ﹤0.01% 11227

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

Citadel Advisors's IREN Position: Q1 2026 in Review

Citadel Advisors increased its Iris Energy (IREN) stake by 110% in Q1 2026, buying an estimated $41.8M and bringing the position to 1,765,514 shares worth $60.5M. The position accounts for 0.01% of the portfolio, ranked #1186.

Citadel Advisors first reported a position in IREN in Q4 2021 and has held it in 13 quarters since. The position peaked at $163M in Q3 2025. 501 funds tracked by Wall St. Rank hold IREN as of Q1 2026.

  • Citadel Advisors held 1,765,514 shares of Iris Energy worth $60.5M as of Q1 2026.
  • Citadel Advisors bought 925,482 Iris Energy shares in Q1 2026, an estimated $41.8M.
  • Iris Energy made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1186 holding.
  • Citadel Advisors first reported a position in Iris Energy in Q4 2021 and has held it in 13 quarters since.
  • Citadel Advisors's Iris Energy position peaked at $163M in Q3 2025.
  • 501 funds tracked by Wall St. Rank held Iris Energy as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.