BLACKROCK
Rank #1
16.3%
- Shares
- 41.74M
- Change
- -2.87M
- Change %
- -6.44%
- Filing
- Mar 31, 2026
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · FINANCIAL SERVICES · Holders
CleanSpark Inc (CLSK) Institutional Ownership & Insider Trading History
Top CLSK institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 15, 10:19 AM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
CLSK insider sentiment: Net selling.
BLACKROCK is the largest loaded institutional holder. 62 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
CLSK
Purchases—
Sales2.27M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
41.74M
BLACKROCK
Insider stance
Net selling
$6.7M sold / — bought
Latest filing
May 14, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- May 14, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 69
- 49 decreased in loaded rows
- Insider rows
- 120
- Market data source
Top 120 institutional holders
CleanSpark Inc (CLSK) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #2
9.82%
- Shares
- 25.10M
- Change
- -954.16K
- Change %
- -3.66%
- Filing
- Dec 31, 2025
Decreased
DIMENSIONAL FUND ADVISORS LP
Rank #3
5.52%
- Shares
- 14.10M
- Change
- +6.32M
- Change %
- +81.29%
- Filing
- Mar 31, 2026
Increased
SITUATIONAL AWARENESS LP
Rank #4
4.80%
- Shares
- 12.28M
- Change
- +10.64M
- Change %
- +6.48%
- Filing
- Mar 31, 2026
Increased
SITUATIONAL AWARENESS PARTNERS LP
Rank #5
4.80%
- Shares
- 12.28M
- Change
- +12.28M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #6
4.34%
- Shares
- 11.09M
- Change
- +11.09M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #7
4.33%
- Shares
- 11.07M
- Change
- +11.07M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #8
4.30%
- Shares
- 11.00M
- Change
- -459.41K
- Change %
- -4.01%
- Filing
- Mar 31, 2026
Decreased
GEODE CAPITAL MANAGEMENT
Rank #9
2.79%
- Shares
- 7.14M
- Change
- -270.01K
- Change %
- -3.64%
- Filing
- Mar 31, 2026
Decreased
MORGAN STANLEY
Rank #10
2.64%
- Shares
- 6.76M
- Change
- +572.47K
- Change %
- +9.25%
- Filing
- Mar 31, 2026
Increased
D. E. SHAW & CO.
Rank #11
2.52%
- Shares
- 6.43M
- Change
- +3.66M
- Change %
- +1.32%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #12
1.95%
- Shares
- 4.98M
- Change
- +574.74K
- Change %
- +13.04%
- Filing
- Mar 31, 2026
Increased
MAREX GROUP PLC
Rank #13
1.48%
- Shares
- 3.79M
- Change
- -1.61M
- Change %
- -29.86%
- Filing
- Mar 31, 2026
Decreased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #14
1.34%
- Shares
- 3.42M
- Change
- -243.12K
- Change %
- -6.64%
- Filing
- Mar 31, 2026
Decreased
UBS GROUP AG
Rank #15
1.30%
- Shares
- 3.31M
- Change
- -264.19K
- Change %
- -7.38%
- Filing
- Mar 31, 2026
Decreased
NUVEEN
Rank #16
1.21%
- Shares
- 3.10M
- Change
- +1.44M
- Change %
- +86.79%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #17
1.19%
- Shares
- 3.03M
- Change
- -515.38K
- Change %
- -14.54%
- Filing
- Mar 31, 2026
Decreased
VAN ECK ASSOCIATES CORP
Rank #18
1.15%
- Shares
- 2.94M
- Change
- +357.65K
- Change %
- +13.87%
- Filing
- Mar 31, 2026
Increased
NORTHERN TRUST CORP
Rank #19
1.08%
- Shares
- 2.76M
- Change
- -45.56K
- Change %
- -1.62%
- Filing
- Mar 31, 2026
Decreased
BANK OF AMERICA CORP
Rank #20
1.01%
- Shares
- 2.58M
- Change
- +1.45M
- Change %
- +1.29%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 16.3% | 41.74M | -2.87M Decreased | -6.44% | Mar 31, 2026 | |
| 2 | 9.82% | 25.10M | -954.16K Decreased | -3.66% | Dec 31, 2025 | |
| 3 | 5.52% | 14.10M | +6.32M Increased | +81.29% | Mar 31, 2026 | |
| 4 | SITUATIONAL AWARENESS LP | 4.80% | 12.28M | +10.64M Increased | +6.48% | Mar 31, 2026 |
| 5 | SITUATIONAL AWARENESS PARTNERS LP | 4.80% | 12.28M | +12.28M Initiated | — | Mar 31, 2026 |
| 6 | 4.34% | 11.09M | +11.09M Initiated | — | Mar 31, 2026 | |
| 7 | 4.33% | 11.07M | +11.07M Initiated | — | Mar 31, 2026 | |
| 8 | 4.30% | 11.00M | -459.41K Decreased | -4.01% | Mar 31, 2026 | |
| 9 | 2.79% | 7.14M | -270.01K Decreased | -3.64% | Mar 31, 2026 | |
| 10 | 2.64% | 6.76M | +572.47K Increased | +9.25% | Mar 31, 2026 | |
| 11 | 2.52% | 6.43M | +3.66M Increased | +1.32% | Mar 31, 2026 | |
| 12 | 1.95% | 4.98M | +574.74K Increased | +13.04% | Mar 31, 2026 | |
| 13 | MAREX GROUP PLC | 1.48% | 3.79M | -1.61M Decreased | -29.86% | Mar 31, 2026 |
| 14 | 1.34% | 3.42M | -243.12K Decreased | -6.64% | Mar 31, 2026 | |
| 15 | 1.30% | 3.31M | -264.19K Decreased | -7.38% | Mar 31, 2026 | |
| 16 | NUVEEN | 1.21% | 3.10M | +1.44M Increased | +86.79% | Mar 31, 2026 |
| 17 | 1.19% | 3.03M | -515.38K Decreased | -14.54% | Mar 31, 2026 | |
| 18 | VAN ECK ASSOCIATES CORP | 1.15% | 2.94M | +357.65K Increased | +13.87% | Mar 31, 2026 |
| 19 | 1.08% | 2.76M | -45.56K Decreased | -1.62% | Mar 31, 2026 | |
| 20 | 1.01% | 2.58M | +1.45M Increased | +1.29% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
CleanSpark Inc (CLSK) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
SCHULTZ, S. MATTHEW
Director, CEO & Chairman
- Shares
- 9.03K
- % company
- <0.01%
- Price
- $13.98
- Value
- $126,260
Filed May 14, 2026
MONNIG, TAYLOR
CTO, COO
- Shares
- 211
- % company
- <0.01%
- Price
- $13.98
- Value
- $2,950
Filed May 14, 2026
GARRISON, SCOTT EUGENE
EVP, Chief Development Officer
- Shares
- 1.19K
- % company
- <0.01%
- Price
- $13.98
- Value
- $16,665
Filed May 14, 2026
VECCHIARELLI, GARY ANTHONY
President, CFO
- Shares
- 632
- % company
- <0.01%
- Price
- $13.98
- Value
- $8,836
Filed May 14, 2026
VECCHIARELLI, GARY ANTHONY
President, CFO
- Shares
- 1.61K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 13, 2026
SCHULTZ, S. MATTHEW
Director, CEO & Chairman
- Shares
- 20.52K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
MONNIG, TAYLOR
CTO, COO
- Shares
- 535
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 13, 2026
MONNIG, TAYLOR
CTO, COO
- Shares
- 535
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
VECCHIARELLI, GARY ANTHONY
President, CFO
- Shares
- 1.61K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
GARRISON, SCOTT EUGENE
EVP, Chief Development Officer
- Shares
- 2.68K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 13, 2026
GARRISON, SCOTT EUGENE
EVP, Chief Development Officer
- Shares
- 2.68K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 13, 2026
SCHULTZ, S. MATTHEW
Director, CEO & Chairman
- Shares
- 20.52K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 13, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | SCHULTZ, S. MATTHEW Director, CEO & Chairman | <0.01% | Sale to issuer | 9.03K | $13.98 | $126,260 | May 14, 2026 |
| 2 | MONNIG, TAYLOR CTO, COO | <0.01% | Sale to issuer | 211 | $13.98 | $2,950 | May 14, 2026 |
| 3 | GARRISON, SCOTT EUGENE EVP, Chief Development Officer | <0.01% | Sale to issuer | 1.19K | $13.98 | $16,665 | May 14, 2026 |
| 4 | VECCHIARELLI, GARY ANTHONY President, CFO | <0.01% | Sale to issuer | 632 | $13.98 | $8,836 | May 14, 2026 |
| 5 | VECCHIARELLI, GARY ANTHONY President, CFO | <0.01% | Sale to issuer | 1.61K | Not reported | Not reported | May 13, 2026 |
| 6 | SCHULTZ, S. MATTHEW Director, CEO & Chairman | <0.01% | Award / grant | 20.52K | No cash value | No cash value | May 13, 2026 |
| 7 | MONNIG, TAYLOR CTO, COO | <0.01% | Sale to issuer | 535 | Not reported | Not reported | May 13, 2026 |
| 8 | MONNIG, TAYLOR CTO, COO | <0.01% | Award / grant | 535 | No cash value | No cash value | May 13, 2026 |
| 9 | VECCHIARELLI, GARY ANTHONY President, CFO | <0.01% | Award / grant | 1.61K | No cash value | No cash value | May 13, 2026 |
| 10 | GARRISON, SCOTT EUGENE EVP, Chief Development Officer | <0.01% | Sale to issuer | 2.68K | Not reported | Not reported | May 13, 2026 |
| 11 | GARRISON, SCOTT EUGENE EVP, Chief Development Officer | <0.01% | Award / grant | 2.68K | No cash value | No cash value | May 13, 2026 |
| 12 | SCHULTZ, S. MATTHEW Director, CEO & Chairman | <0.01% | Sale to issuer | 20.52K | Not reported | Not reported | May 13, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest CLSK shareholders?
BLACKROCK is the largest institutional holder in the loaded CLSK ownership dataset, with 41.74 million shares, or about 16.33% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of CLSK?
The current TECHi snapshot has 120 loaded institutional rows for CleanSpark Inc. 69 rows are marked increased or initiated, while 49 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see CleanSpark Inc insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for CLSK, with the latest insider filing dated May 14, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are CLSK insiders buying or selling?
The loaded CLSK Form 4 rows currently read Net selling: 62 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active CLSK insider in the loaded filings?
SCHULTZ, S. MATTHEW is the most active insider by absolute share movement in the loaded CLSK rows, with 5.22 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.