CastleKnight Management’s Iris Energy IREN Stock Holding History

CastleKnight 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	$4.46M	Buy	+130,000	New	+$5.87M	0.07%	183
2025 Q4	–	Sell	-310,000	Closed	-$14.5M	–	414
2025 Q3	$14.5M	Sell	310,000 -140,000	-31%	-$3.4M	0.29%	52
2025 Q2	$6.56M	Buy	450,000 +250,000	+125%	+$2.03M	0.19%	92
2025 Q1	$1.22M	Buy	+200,000	New	+$1.95M	0.05%	202

Other funds holding IREN

Defiance ETFs New York $6.98B AUM

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

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

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 New York $5.72T AUM 30.48% 1-Year Est. Return

Marex Group London $15.8B AUM 31.44% 1-Year Est. Return

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

CastleKnight Management's IREN Position: Q1 2026 in Review

CastleKnight Management increased its Iris Energy (IREN) stake by 35% in Q1 2026, buying an estimated $9.49M and bringing the position to 806,175 shares worth $27.6M. The position accounts for 0.46% of the portfolio, ranked #27.

CastleKnight Management first reported a position in IREN in Q3 2023 and has held it in 8 quarters since. 501 funds tracked by Wall St. Rank hold IREN as of Q1 2026.

CastleKnight Management held 806,175 shares of Iris Energy worth $27.6M as of Q1 2026.
CastleKnight Management bought 210,300 Iris Energy shares in Q1 2026, an estimated $9.49M.
Iris Energy made up 0.46% of CastleKnight Management's portfolio in Q1 2026, its #27 holding.
CastleKnight Management first reported a position in Iris Energy in Q3 2023 and has held it in 8 quarters since.
501 funds tracked by Wall St. Rank held Iris Energy as of Q1 2026.

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