Cubist Systematic Strategies’s Iris Energy IREN Stock Holding History

Cubist Systematic Strategies’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
2025 Q2	–	Sell	-892,022	Closed	-$7.25M	–	3246
2025 Q1	$5.43M	Buy	892,022 +746,541	+513%	+$7.27M	0.03%	835
2024 Q4	$1.43M	Buy	+145,481	New	+$1.55M	0.01%	1586
2024 Q3	–	Sell	-381,452	Closed	-$3.51M	–	3232
2024 Q2	$4.31M	Buy	+381,452	New	+$2.86M	0.03%	872
2024 Q1	–	Sell	-242,657	Closed	-$1.73M	–	3990
2023 Q4	$1.73M	Buy	242,657 +55,053	+29%	+$237K	0.01%	1637
2023 Q3	$696K	Buy	187,604 +95,371	+103%	+$508K	0.01%	2112
2023 Q2	$430K	Buy	+92,233	New	+$352K	﹤0.01%	2481
2022 Q1	–	Sell	-195	Closed	-$3K	–	3656
2021 Q4	$3K	Buy	+195	New	+$3.42K	﹤0.01%	3415

Other funds holding IREN

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

BIT Capital Berlin, Germany $2.07B AUM 157.17% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Cubist Systematic Strategies's IREN Position: Q2 2025 in Review

Cubist Systematic Strategies sold out of Iris Energy (IREN) in Q2 2025, closing a stake of 892,022 shares — an estimated $7.25M sold.

Cubist Systematic Strategies first reported a position in IREN in Q4 2021 and held it in 7 quarters. The position peaked at $5.43M in Q1 2025. 206 funds tracked by Wall St. Rank hold IREN as of Q2 2025.

Cubist Systematic Strategies reported no remaining Iris Energy position as of Q2 2025 after selling out during the quarter.
Cubist Systematic Strategies sold 892,022 Iris Energy shares in Q2 2025, an estimated $7.25M.
Cubist Systematic Strategies first reported a position in Iris Energy in Q4 2021 and held it in 7 quarters.
Cubist Systematic Strategies's Iris Energy position peaked at $5.43M in Q1 2025.
206 funds tracked by Wall St. Rank held Iris Energy as of Q2 2025.

Based on Cubist Systematic Strategies's 13F filing for Q2 2025, filed 14 Aug 2025.