Marathon Digital Holdings, Inc.
Marathon Digital Holdings, Inc. (MARA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MARA · as of Mar 31, 2025
Ownership Breakdown
425
Institutional Holders
▼ 3 vs Q4
$2.35B
Total Inst. Value
▼ $1.06B vs Q4
381.27M
Shares Outstanding
freeFloat 97.66%
204.70M
13F Shares Held
▲ 1.27M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MARA largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-computer processing & data preparation | 53.91M | 15.67% | 15.67% | $619.98B | May 2, 2025 | ▲ 3.81M |
VANGUARD GROUP INC services-computer processing & data preparation | 39.81M | 11.57% | 11.57% | $457.83B | May 9, 2025 | ▲ 1.03M |
STATE STREET CORP services-computer processing & data preparation | 13.26M | 3.85% | 3.85% | $152.53B | May 15, 2025 | ▲ 839.5K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer processing & data preparation | 13.10M | 3.81% | 3.81% | $150.70B | May 14, 2025 | ▲ 661.6K |
GEODE CAPITAL MANAGEMENT, LLC services-computer processing & data preparation | 8.91M | 2.59% | 2.59% | $102.48B | May 13, 2025 | ▲ 1.23M |
CITADEL ADVISORS LLC services-computer processing & data preparation | 7.84M | 2.28% | 2.28% | $90.20B | May 15, 2025 | ▼ 3.06M |
MORGAN STANLEY services-computer processing & data preparation | 7.19M | 2.09% | 2.09% | $82.66B | May 15, 2025 | ▼ 374.2K |
WOLVERINE ASSET MANAGEMENT LLC services-computer processing & data preparation | 6.53M | 1.90% | 1.90% | $75.09B | May 12, 2025 | ▲ 911.8K |
AMERICAN CENTURY COMPANIES INC services-computer processing & data preparation | 6.29M | 1.83% | 1.83% | $72.33B | May 13, 2025 | ▲ 2.25M |
UBS GROUP AG services-computer processing & data preparation | 5.89M | 1.71% | 1.71% | $67.76B | May 13, 2025 | ▲ 1.65M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
33
Increased
+27.83M shares4
New Positions
first time holders12
Decreased
−12.68M shares0
Sold Out
fully exitedNet shares change (top 50)
+15.15M
+27.83M / −12.68M
Net new holders
+25
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MARA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
15
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Thiel Frederick G Chief Executive Officer | May 18, 2026 | Tax Withhold | 27,316 | $11.46 | $313.0K | 4.62M | Form 4 ↗ |
Thiel Frederick G Chief Executive Officer | May 18, 2026 | Sale | 27,505 | $12.00 | $330.1K | 4.59M | Form 4 ↗ |
Khan Salman Hassan Chief Financial Officer | May 18, 2026 | Sale | 16,000 | $12.00 | $192.0K | 425.1K | Form 4 ↗ |
Nowaid Zabi General Counsel | May 18, 2026 | Tax Withhold | 4,248 | $11.46 | $48.7K | 979.0K | Form 4 ↗ |
Nowaid Zabi General Counsel | May 18, 2026 | Sale | 8,250 | $12.00 | $99.0K | 970.8K | Form 4 ↗ |
Khan Salman Hassan Chief Financial Officer | Apr 30, 2026 | Tax Withhold | 65,456 | $11.99 | $784.8K | 1.73M | Form 4 ↗ |
Thiel Frederick G Chief Executive Officer | Apr 30, 2026 | Tax Withhold | 80,884 | $11.99 | $969.8K | 4.64M | Form 4 ↗ |
Nowaid Zabi General Counsel | Apr 30, 2026 | Tax Withhold | 23,781 | $11.99 | $285.1K | 983.3K | Form 4 ↗ |
Thiel Frederick G Chief Executive Officer | Apr 17, 2026 | Sale | 27,505 | $11.68 | $321.3K | 4.73M | Form 4 ↗ |
Nowaid Zabi General Counsel | Apr 17, 2026 | Sale | 42,090 | $12.00 | $505.1K | 1.01M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Marathon Digital Holdings, Inc. (MARA) is primarily owned by institutional investors, who hold approximately 53.7% of total shares outstanding. Company insiders own approximately 2.34%, while retail and public investors account for the remaining 43.97%.
The largest institutional shareholder of Marathon Digital Holdings, Inc. is BLACKROCK, INC., holding approximately 53.91 million shares — equal to 15.67% of outstanding shares — as of March 31, 2025.
A total of 425 institutional investors currently hold MARA stock, with a combined institutional value of approximately $2.35 billion as of the most recent 13F filing period.
Frequently asked questions
MARA ownershipMarathon Digital Holdings, Inc. (MARA) is primarily owned by institutional investors, who hold approximately 53.7% of shares. The largest shareholder is BLACKROCK, INC. with a 15.67% stake. Company insiders hold 2.34%. Data sourced from SEC Form 13F as of March 31, 2025.