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Needham Investment Management’s CleanSpark CLSK Stock Holding History

Needham Investment Management’s Portfolio CLSK Stock Details CLSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.55M Buy
175,000
+95,000
+119% +$1.34M 0.08% 141
2026
Q1 		$681K Buy
80,000
+40,000
+100% +$428K 0.03% 150
2025
Q4 		$405K Buy
40,000
+20,000
+100% +$300K 0.03% 155
2025
Q3 		$290K Buy
+20,000
New +$226K 0.02% 157

Other funds holding CLSK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Needham Investment Management's CLSK Position: Q2 2026 in Review

Needham Investment Management increased its CleanSpark (CLSK) stake by 119% in Q2 2026, buying an estimated $1.34M and bringing the position to 175,000 shares worth $2.55M. The position accounts for 0.08% of the portfolio, ranked #141.

Needham Investment Management first reported a position in CLSK in Q3 2025 and has held it in 4 quarters since. 412 funds tracked by Wall St. Rank hold CLSK as of Q2 2026.

  • Needham Investment Management held 175,000 shares of CleanSpark worth $2.55M as of Q2 2026.
  • Needham Investment Management bought 95,000 CleanSpark shares in Q2 2026, an estimated $1.34M.
  • CleanSpark made up 0.08% of Needham Investment Management's portfolio in Q2 2026, its #141 holding.
  • Needham Investment Management first reported a position in CleanSpark in Q3 2025 and has held it in 4 quarters since.
  • 412 funds tracked by Wall St. Rank held CleanSpark as of Q2 2026.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.