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Livermore
Livermore
ZHEN

Cleanspark, Inc.

CLSK
Exchange
Nasdaq
Industry
Finance Services
SEC CIK
0000827876

In the last 90 days, Cleanspark, Inc. insiders filed 0 open-market purchases and 2 sales; 412 institutions reported holding it in 13F filings for Q2 2026, worth $3.39B in total; no superinvestor holds it.

Other share classesCLSKW

Holders of 5% or more of CLSK

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Cleanspark, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of CLSK
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A15.50%43.6M shares–Apr 3, 20251 filingApr 3, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

6 Schedule 13D and 13G filings on Cleanspark, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on CLSK
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 26, 20265:12 PM ETVanguard Group Inc13G/A0.00%0 shares−10.05 ppfrom 10.05%Below 5%Mar 13, 2026SEC
Feb 13, 20265:11 PM ETSusquehanna Securities, LLCand 3 others13G/A4.80%12.4M shares−0.30 ppfrom 5.10%Below 5%Dec 31, 2025SEC
Dec 3, 202511:13 AM ETVanguard Group Inc13G/A10.05%25.7M shares+1.46 ppfrom 8.59%Nov 28, 2025SEC
Nov 13, 20255:42 PM ETSusquehanna Securities, LLCand 3 others13G5.10%14.4M sharesNewSep 30, 2025SEC
Apr 30, 202510:53 AM ETVanguard Group Inc13G/A8.59%24.1M shares–Mar 31, 2025SEC
Apr 3, 202512:40 PM ETBlackRock, Inc.13G/A15.50%43.6M shares–Mar 31, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Cleanspark, Inc. shares.

No Form 144 notices for Cleanspark, Inc. are on file.