Two Sigma Investments
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Two Sigma Investments’s Iris Energy IREN Stock Holding History

Two Sigma Investments’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 		$98.2M Buy
2,864,882
+2,602,326
+991% +$117M 0.08% 280
2025
Q4 		$9.92M Sell
262,556
-4,880,720
-95% -$252M 0.01% 1131
2025
Q3 		$241M Buy
5,143,276
+4,207,667
+450% +$102M 0.36% 42
2025
Q2 		$13.6M Buy
935,609
+605,298
+183% +$4.92M 0.02% 685
2025
Q1 		$2.01M Sell
330,311
-1,272,331
-79% -$12.4M ﹤0.01% 1738
2024
Q4 		$15.7M Buy
1,602,642
+1,056,005
+193% +$11.3M 0.03% 568
2024
Q3 		$4.61M Sell
546,637
-2,528,856
-82% -$23.2M 0.01% 1130
2024
Q2 		$34.7M Buy
3,075,493
+2,633,262
+595% +$19.7M 0.08% 302
2024
Q1 		$2.39M Sell
442,231
-616,037
-58% -$3.35M 0.01% 1357
2023
Q4 		$7.57M Buy
1,058,268
+887,264
+519% +$3.82M 0.02% 795
2023
Q3 		$634K Buy
171,004
+108,084
+172% +$576K ﹤0.01% 2172
2023
Q2 		$293K Buy
+62,920
New +$240K ﹤0.01% 2520
2022
Q3 		– Sell
-21,286
Closed -$71K – 2632
2022
Q2 		$71K Buy
+21,286
New +$165K ﹤0.01% 2314

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

Two Sigma Investments's IREN Position: Q1 2026 in Review

Two Sigma Investments increased its Iris Energy (IREN) stake by 991% in Q1 2026, buying an estimated $117M and bringing the position to 2,864,882 shares worth $98.2M. The position accounts for 0.08% of the portfolio, ranked #280.

Two Sigma Investments first reported a position in IREN in Q2 2022 and has held it in 13 quarters since. The position peaked at $241M in Q3 2025. 501 funds tracked by Wall St. Rank hold IREN as of Q1 2026.

  • Two Sigma Investments held 2,864,882 shares of Iris Energy worth $98.2M as of Q1 2026.
  • Two Sigma Investments bought 2,602,326 Iris Energy shares in Q1 2026, an estimated $117M.
  • Iris Energy made up 0.08% of Two Sigma Investments's portfolio in Q1 2026, its #280 holding.
  • Two Sigma Investments first reported a position in Iris Energy in Q2 2022 and has held it in 13 quarters since.
  • Two Sigma Investments's Iris Energy position peaked at $241M in Q3 2025.
  • 501 funds tracked by Wall St. Rank held Iris Energy as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.