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 		$1.03M Hold
30,000
– – ﹤0.01% 3250
2025
Q4 		$1.13M Hold
30,000
– – ﹤0.01% 2835
2025
Q3 		$1.41M Buy
+30,000
New +$729K ﹤0.01% 2359

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.