BLACKROCK
Rank #1
15.6%
- Shares
- 59.78M
- Change
- +1.22M
- Change %
- +2.08%
- Filing
- Mar 31, 2026
Increased
Recent
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Top MARA 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, 10:24 AM EDT · Statements Mar 30, 8:00 PM EDT
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.
Ownership read
BLACKROCK is the largest loaded institutional holder. 102 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
MARA
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
59.78M
BLACKROCK
Insider stance
Net selling
$33.72M sold / — bought
Latest filing
May 18, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
Top 120 institutional holders
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
BLACKROCK
Rank #1
15.6%
Increased
VANGUARD GROUP INC
Rank #2
12.2%
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
6.92%
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
4.28%
Initiated
STATE STREET CORP
Rank #5
3.98%
Increased
GEODE CAPITAL MANAGEMENT
Rank #6
2.70%
Increased
MAREX GROUP PLC
Rank #7
2.18%
Decreased
UBS GROUP AG
Rank #8
1.99%
Decreased
GOLDMAN SACHS GROUP INC
Rank #9
1.58%
Increased
MORGAN STANLEY
Rank #10
1.37%
Decreased
BANK OF AMERICA CORP
Rank #11
1.33%
Increased
JPMORGAN CHASE & CO
Rank #12
1.22%
Increased
NORGES BANK
Rank #13
1.15%
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #14
1.07%
Decreased
HRT FINANCIAL LP
Rank #15
0.96%
Initiated
VAN ECK ASSOCIATES CORP
Rank #16
0.91%
Increased
NORTHERN TRUST CORP
Rank #17
0.87%
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #18
0.87%
Decreased
BANK OF NEW YORK MELLON CORP
Rank #19
0.64%
Decreased
VANGUARD FIDUCIARY TRUST CO
Rank #20
0.63%
Initiated
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 15.6% | 59.78M | +1.22M Increased | +2.08% | Mar 31, 2026 | |
| 2 | 12.2% | 46.71M | +1.39M Increased | +3.08% | Dec 31, 2025 | |
| 3 | 6.92% | 26.44M | +26.44M Initiated | — | Mar 31, 2026 | |
| 4 | 4.28% | 16.35M | +16.35M Initiated | — | Mar 31, 2026 | |
| 5 | 3.98% | 15.22M | +455.18K Increased | +3.08% | Mar 31, 2026 | |
| 6 | 2.70% | 10.32M | +357.40K Increased | +3.59% | Mar 31, 2026 | |
| 7 | MAREX GROUP PLC | 2.18% | 8.31M | -1.82M Decreased | -17.98% | Mar 31, 2026 |
| 8 | 1.99% | 7.62M | -1.97M Decreased | -20.52% | Mar 31, 2026 | |
| 9 | 1.58% | 6.03M | +2.29M Increased | +61.27% | Mar 31, 2026 | |
| 10 | 1.37% | 5.22M | -1.12M Decreased | -17.65% | Mar 31, 2026 | |
| 11 | 1.33% | 5.09M | +1.68M Increased | +49.35% | Mar 31, 2026 | |
| 12 | 1.22% | 4.67M | +2.95M Increased | +1.71% | Mar 31, 2026 | |
| 13 | 1.15% | 4.40M | +618.75K Increased | +16.37% | Dec 31, 2025 | |
| 14 | 1.07% | 4.10M | -287.11K Decreased | -6.54% | Mar 31, 2026 | |
| 15 | HRT FINANCIAL LP | 0.96% | 3.68M | +3.68M Initiated | — | Mar 31, 2026 |
| 16 | VAN ECK ASSOCIATES CORP | 0.91% | 3.48M | +754.41K Increased | +27.66% | Mar 31, 2026 |
| 17 | 0.87% | 3.34M | +221.51K Increased | +7.10% | Mar 31, 2026 | |
| 18 | 0.87% | 3.32M | -382.08K Decreased | -10.33% | Mar 31, 2026 | |
| 19 | BANK OF NEW YORK MELLON CORP | 0.64% | 2.46M | -48.65K Decreased | -1.94% | Mar 31, 2026 |
| 20 | 0.63% | 2.43M | +2.43M Initiated | — | Mar 31, 2026 |
Recent insider transactions
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
NOWAID, ZABI
General Counsel
Filed May 18, 2026
THIEL, FREDERICK G
Director, Chief Executive Officer
Filed May 18, 2026
THIEL, FREDERICK G
Director, Chief Executive Officer
Filed May 18, 2026
KHAN, SALMAN HASSAN
Chief Financial Officer
Filed May 18, 2026
NOWAID, ZABI
General Counsel
Filed May 18, 2026
NOWAID, ZABI
General Counsel
Filed Apr 30, 2026
KHAN, SALMAN HASSAN
Chief Financial Officer
Filed Apr 30, 2026
THIEL, FREDERICK G
Director, Chief Executive Officer
Filed Apr 30, 2026
NOWAID, ZABI
General Counsel
Filed Apr 17, 2026
KHAN, SALMAN HASSAN
Chief Financial Officer
Filed Apr 17, 2026
THIEL, FREDERICK G
Director, Chief Executive Officer
Filed Apr 17, 2026
KHAN, SALMAN HASSAN
Chief Financial Officer
Filed Apr 1, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | NOWAID, ZABI General Counsel | <0.01% | Sale to issuer | 4.25K | $11.46 | $48,682 | May 18, 2026 |
| 2 | THIEL, FREDERICK G Director, Chief Executive Officer | <0.01% | Sale to issuer | 27.32K | $11.46 | $313,041 | May 18, 2026 |
| 3 | THIEL, FREDERICK G Director, Chief Executive Officer | <0.01% | Sale to issuer | 27.50K | $12.00 | $330,060 | May 18, 2026 |
| 4 | KHAN, SALMAN HASSAN Chief Financial Officer | <0.01% | Sale to issuer | 16.00K | $12.00 | $192,000 | May 18, 2026 |
| 5 | NOWAID, ZABI General Counsel | <0.01% | Sale to issuer | 8.25K | $12.00 | $99,000 | May 18, 2026 |
| 6 | NOWAID, ZABI General Counsel | <0.01% | Sale to issuer | 23.78K | $11.99 | $285,134 | Apr 30, 2026 |
| 7 | KHAN, SALMAN HASSAN Chief Financial Officer | 0.02% | Sale to issuer | 65.46K | $11.99 | $784,817 | Apr 30, 2026 |
| 8 | THIEL, FREDERICK G Director, Chief Executive Officer | 0.02% | Sale to issuer | 80.88K | $11.99 | $969,799 | Apr 30, 2026 |
| 9 | NOWAID, ZABI General Counsel | 0.01% | Sale to issuer | 42.09K | $12.00 | $505,080 | Apr 17, 2026 |
| 10 | KHAN, SALMAN HASSAN Chief Financial Officer | <0.01% | Sale to issuer | 16.00K | $11.68 | $186,880 | Apr 17, 2026 |
| 11 | THIEL, FREDERICK G Director, Chief Executive Officer | <0.01% | Sale to issuer | 27.50K | $11.68 | $321,258 | Apr 17, 2026 |
| 12 | KHAN, SALMAN HASSAN Chief Financial Officer | <0.01% | Sale to issuer | 9.45K | $8.04 | $75,994 | Apr 1, 2026 |
Frequently asked
BLACKROCK is the largest institutional holder in the loaded MARA ownership dataset, with 59.78 million shares, or about 15.64% of shares outstanding. The table ranks additional institutions by reported share count.
The current TECHi snapshot has 120 loaded institutional rows for Marathon Digital Holdings Inc. 81 rows are marked increased or initiated, while 34 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
The insider transaction table currently shows 120 loaded Form 4 rows for MARA, with the latest insider filing dated May 18, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
The loaded MARA Form 4 rows currently read Net selling: 102 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.
THIEL, FREDERICK G is the most active insider by absolute share movement in the loaded MARA rows, with 3.21 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.