William Blair Investment Management
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William Blair Investment Management’s Iris Energy IREN Stock Holding History

William Blair Investment 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
Q2 		$682K Hold
14,913
– – ﹤0.01% 364
2026
Q1 		$511K Buy
14,913
+2,162
+17% +$97.6K ﹤0.01% 374
2025
Q4 		$482K Buy
+12,751
New +$658K ﹤0.01% 377

Other funds holding IREN

Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
BC
BIT Capital Berlin, Germany $3.38B AUM 214.12% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

William Blair Investment Management's IREN Position: Q2 2026 in Review

William Blair Investment Management held its Iris Energy (IREN) position steady in Q2 2026 at 14,913 shares worth $682K. The position accounts for ﹤0.01% of the portfolio, ranked #364.

William Blair Investment Management first reported a position in IREN in Q4 2025 and has held it in 3 quarters since. 676 funds tracked by Wall St. Rank hold IREN as of Q2 2026.

  • William Blair Investment Management held 14,913 shares of Iris Energy worth $682K as of Q2 2026.
  • William Blair Investment Management left its Iris Energy share count unchanged in Q2 2026.
  • Iris Energy made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #364 holding.
  • William Blair Investment Management first reported a position in Iris Energy in Q4 2025 and has held it in 3 quarters since.
  • 676 funds tracked by Wall St. Rank held Iris Energy as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.