Cleanspark CLSK Institutional Ownership

Updated Oct 11, 2026

Cleanspark, Inc. (NASDAQ:CLSK) was reported as a holding by 409 institutional investors in 13F filings for the quarter ended June 30, 2026.

• These investors held 86.15% of Cleanspark's outstanding shares at the end of Q2 2026, up from 78.83% in Q1 2026.
• Total shares held in Cleanspark rose 9.52% versus Q1 2026, while the number of holders rose 34.54% versus Q2 2025.
• Of the 409 holders of CLSK in Q2 2026, 231 added to their positions, 114 reduced their stakes and 64 left their positions unchanged.
• In total, institutional investors held 231.25Mn shares of Cleanspark at the end of Q2 2026, up 20.11Mn from the prior quarter and up 72.57Mn from a year earlier.
• As of June 30, 2026, the biggest holder of Cleanspark was BlackRock, Inc. with 42.33Mn shares, or 15.77% of shares outstanding.
• Among existing holders, the largest additions to Cleanspark in Q2 2026 came from D. E. Shaw & Co., Inc. (+4.83Mn shares), Point72 Asset Management, L.P. (+4.37Mn shares), UBS Group AG (+4.24Mn shares), Millennium Management LLC (+2.25Mn shares) and American Century Companies Inc (+2.17Mn shares).
• Among holders that kept a stake in Cleanspark, the biggest sellers in Q2 2026 were Dimensional Fund Advisors LP (-4.46Mn shares), Morgan Stanley (-3.7Mn shares), Marex Group Ltd (-3.64Mn shares), Bank of America Corp (-1.74Mn shares) and Invesco Ltd. (-1.38Mn shares).
• Business Quant data shows the 10 biggest positions in Cleanspark as of Q2 2026 were held by BlackRock, Inc. (42.33Mn shares), Situational Awareness LP (12.28Mn shares), Vanguard Portfolio Management LLC (11.46Mn shares), D. E. Shaw & Co., Inc. (11.26Mn shares), Vanguard Capital Management LLC (11.12Mn shares), State Street Corp (11Mn shares), Dimensional Fund Advisors LP (9.65Mn shares), UBS Group AG (7.55Mn shares), Geode Capital Management, LLC (7.26Mn shares) and Point72 Asset Management, L.P. (5.97Mn shares).