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 3 sales; 412 institutions reported holding it in 13F filings for Q2 2026, worth $3.39B in total; no superinvestor holds it.
Other share classesCLSKW
Key figures
- Market capClose on Nov 10, 2026
- $1.69B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $435.4K in total
- 3
- 13F holdersQ2 2026, +64 vs. previous quarter
- 412
- 13F valueReported value at the end of Q2 2026
- $3.39B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $766.3M
- +102.2% year over year
- Net income, FY2025
- $364.5M
- No comparable prior period
- Free cash flow, FY2025
- -$605.7M
- No comparable prior period
- Revenue, Q3 FY2026
- –
- No comparable prior period
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 78.7M
- Shares sold short
- Change
- −22.6K
- 0.0% vs. previous
- Days to cover
- 4.57
- At average daily volume
Superinvestors holding CLSK, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding CLSK at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Cleanspark, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 (view filing)9:14 PM ET | Oct 1 | Same day | Monnig TaylorCTO, COO | SSale | −3.33K | $12.33 | −$41.1K | −1.0%336.8K after | 10b5-1 |
| Sep 9, 2026 (view filing)9:36 PM ET | Sep 4-8 | 5 days | Monnig TaylorCTO, COO | SSale | −29.8K | $13.23 | −$393.7K | −8.5%319.9K after | 3 lots10b5-1 |
| Aug 14, 2026 (view filing)8:44 PM ET | Aug 14 | Same day | Monnig TaylorCTO, COO | SSale | −54 | $11.51 | −$621.54 | 0.0%169.2K after | 10b5-1 |
| Dec 23, 2025 (view filing) | Dec 23 | Same day | Wood Thomas LeighDirector | SSale | −85.3K | $11.69 | −$997.3K | −67.3%41.4K after | |
| Dec 5, 2025 (view filing) | Dec 4 | 1 day | Cavaleri AmandaDirector | SSale | −33.0K | $15.02 | −$495.7K | −23.5%107.3K after | |
| Sep 9, 2025 (view filing) | Sep 9 | Same day | Monnig TaylorCTO, COO | SSale | −63.7K | $9.12 | −$581.1K | −34.6%120.3K after | |
| May 21, 2025 (view filing) | May 21 | Same day | Beynon Roger PaulDirector | SSale | −50.0K | $10.51 | −$525.5K | −28.5%125.5K after | |
| Mar 24, 2025 (view filing) | Mar 24 | Same day | Wood Thomas LeighDirector | SSale | −44.4K | $8.04 | −$357.3K | −26.0%126.7K after | |
| Mar 24, 2025 (view filing) | Mar 24 | Same day | Cavaleri AmandaDirector | SSale | −13.0K | $7.97 | −$103.6K | −8.5%140.3K after | 2 lots |
| Feb 14, 2025 (view filing) | Feb 14 | Same day | Monnig TaylorChief Technology Officer | SSale | −239 | $10.64 | −$2.54K | −0.1%201.3K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 412 holdersThe largest institutional positions in Cleanspark, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 42,332,754 | $615.9M | 0.01% | +590,142+1.4% | Added |
| Situational Awareness LP | 12,276,139 | $178.6M | 0.89% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 11,458,803 | $166.7M | 0.01% | +366,663+3.3% | Added |
| D. E. Shaw & Co., Inc. | 11,260,140 | $163.8M | 0.10% | +4,826,716+75.0% | Added |
| Vanguard Capital Management LLC | 11,122,007 | $161.8M | 0.00% | +50,474+0.5% | Added |
| State Street Corp | 11,002,124 | $160.1M | 0.00% | +6,092+0.1% | Added |
| Dimensional Fund Advisors LP | 9,647,132 | $140.4M | 0.03% | −4,455,645−31.6% | Reduced |
| Geode Capital Management, LLC | 7,260,121 | $132.9M | 0.01% | +119,147+1.7% | Added |
| UBS Group AG | 7,554,293 | $109.9M | 0.02% | +4,239,315+127.9% | Added |
| Point72 Asset Management, L.P. | 5,974,019 | $86.9M | 0.13% | +4,370,143+272.5% | Added |
Holders of 5% or more of CLSK
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Cleanspark, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.50%43.6M shares | – | Oct 22, 20243 filings | Apr 3, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 5.08%13.0M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| D. E. Shaw & Co, L.P. | 13G | 5.00%12.9M shares | New | Jul 17, 20261 filing | Jul 17, 2026 | SEC |