Marathon Digital Holdings Inc
Ownership
Ownership Structure
Who owns Marathon Digital Holdings Inc (MARA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.9% of the shares are freely tradable; institutional investors hold 69.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.47 | 59,775,301 | +2.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.84 | 26,439,424 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.23 | 16,352,439 | +0.0 | 03/31/2026 |
| State Street Corp | 3.94 | 15,220,168 | +3.1 | 03/31/2026 |
| D. E. Shaw & Co LP | 2.69 | 10,376,069 | +687.2 | 06/30/2026 |
| Geode Capital Management, LLC | 2.67 | 10,315,169 | +3.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.02 | 23,240,752 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.98 | 11,528,525 | +0.3 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.56 | 9,905,783 | -0.6 | 08/31/2026 |
| Vanguard Small Cap Index | 2.16 | 8,327,069 | +0.2 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Thiel Frederick G | Chief Executive Officer | 4,335,697 | 57,231,200 $ | Aug 17, 2026 | direct |
| Khan Salman Hassan | Chief Financial Officer | 1,983,422 | 26,181,170 $ | Jul 31, 2026 | both |
| Nowaid Zabi | General Counsel | 898,780 | 11,863,896 $ | Aug 21, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Nowaid Zabi | General Counsel | Sell | 8,376 | 12.00 | 100,512 |
| Aug 17, 2026 | Thiel Frederick G | Chief Executive Officer | Sell | 27,505 | 9.21 | 253,321 |
| Aug 17, 2026 | Khan Salman Hassan | Chief Financial Officer | Sell | 16,000 | 9.21 | 147,360 |
| Aug 3, 2026 | Thiel Frederick G | Chief Executive Officer | Other | 27,316 | 11.75 | 320,963 |
| Aug 3, 2026 | Nowaid Zabi | General Counsel | Other | 4,139 | 11.75 | 48,633 |
| Jul 31, 2026 | Thiel Frederick G | Chief Executive Officer | Other | 40,388 | 11.32 | 457,192 |
| Jul 31, 2026 | Nowaid Zabi | General Counsel | Other | 9,745 | 11.32 | 110,313 |
| Jul 31, 2026 | Khan Salman Hassan | Chief Financial Officer | Other | 30,215 | 11.32 | 342,034 |
| Jul 30, 2026 | Thiel Frederick G | Chief Executive Officer | Other | 40,497 | 11.82 | 478,675 |
| Jul 30, 2026 | Nowaid Zabi | General Counsel | Other | 13,428 | 11.82 | 158,719 |
| Jul 30, 2026 | Khan Salman Hassan | Chief Financial Officer | Other | 33,569 | 11.82 | 396,786 |
| Jul 20, 2026 | Nowaid Zabi | General Counsel | Sell | 8,376 | 12.00 | 100,512 |
| Jul 17, 2026 | Thiel Frederick G | Chief Executive Officer | Sell | 27,505 | 10.90 | 299,805 |
| Jul 17, 2026 | Khan Salman Hassan | Chief Financial Officer | Sell | 16,000 | 10.90 | 174,400 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.