Marathon Digital Holdings, Inc. (MARA) Ownership

NASDAQ: MARATop holders, insider trades and short interest.

MARA ownership summary

as of October 18, 2026
Institutions
75.9%
of shares outstanding
Insiders
0.78%
of shares outstanding
Shares outstanding
386.3M
Float
378.5M
shares available to trade
Short interest
29.84%
100.8M shares short
Days to cover
2.27
short interest down 3.7% vs prior month
  • Institutions 75.94%
  • Insiders 0.78%
  • Other investors 23.27%

MARA top institutional holders

20 largest
Marathon Digital Holdings, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc16.59%64.1M$482.6M+4.3M (+7.2%)June 30, 2026
2Vanguard Portfolio Management, LLC7.09%27.4M$206.3M+960,502 (+3.6%)June 30, 2026
3Vanguard Capital Management, LLC4.28%16.5M$124.6M+192,236 (+1.2%)June 30, 2026
4State Street Corp4.12%15.9M$119.7M+681,578 (+4.5%)June 30, 2026
5Geode Capital Management, LLC2.81%10.9M$81.9M+557,748 (+5.4%)June 30, 2026
6D. E. Shaw & Co LP2.69%10.4M$78.1M+9.1M (+687.2%)June 30, 2026
7Marex Group Ltd2.06%8.0M$59.9M−361,889 (−4.4%)June 30, 2026
8Morgan Stanley - Brokerage Accounts1.75%6.8M$51.0M+1.5M (+29.6%)June 30, 2026
9Bank of America Corp1.58%6.1M$45.9M+1.0M (+19.9%)June 30, 2026
10UBS Group AG1.44%5.6M$42.0M−2.0M (−26.8%)June 30, 2026
11The Goldman Sachs Group Inc1.29%5.0M$37.5M−1.1M (−17.5%)June 30, 2026
12Charles Schwab Investment Management Inc1.22%4.7M$35.6M+624,239 (+15.2%)June 30, 2026
13Dimensional Fund Advisors, Inc.1.17%4.5M$34.0M+4.4M (+4,229.1%)June 30, 2026
14Northern Trust Corp0.96%3.7M$27.9M+358,847 (+10.7%)June 30, 2026
15Van Eck Associates Corporation0.90%3.5M$26.2M−7,678 (−0.2%)June 30, 2026
16HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND0.87%3.4M$25.3M+3.4M (0.0%)June 30, 2026
17Susquehanna International Group, LLP0.86%3.3M$25.1M+1.2M (+57.3%)June 30, 2026
18Segall Bryant & Hamill0.71%2.8M$20.8M+2.8M (0.0%)June 30, 2026
19Bank of New York Mellon Corp0.69%2.7M$20.2M+222,783 (+9.1%)June 30, 2026
20Clear Street Group Inc0.69%2.7M$20.0M+304,100 (+12.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 31.6M shares and 4 cut 3.5M.

MARA top mutual fund and ETF holders

20 largest
Marathon Digital Holdings, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.96%23.0M$173.2M+5,040 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest2.98%11.5M$86.7M−14,321 (−0.1%)August 31, 2026
3iShares Russell 2000 ETF2.61%10.1M$75.8M−116,096 (−1.1%)September 30, 2026
4Vanguard Small Cap Index2.25%8.7M$65.5M+371,238 (+4.5%)September 30, 2026
5Vanguard Information Technology ETF2.04%7.9M$59.5M+18,187 (+0.2%)September 30, 2026
6Vanguard MStar Small Cap Growth Indx Inv1.12%4.3M$32.7M+50,815 (+1.2%)September 30, 2026
7Fidelity Small Cap Index1.10%4.2M$31.9M+35,572 (+0.8%)July 31, 2026
8iShares Russell 2000 Value ETF0.94%3.6M$27.4M+5,514 (+0.2%)September 30, 2026
9State Street SPDR Port S&P 600 Sm CpETF0.91%3.5M$26.5M—September 30, 2026
10VanEck Crypto&Blckchan Innovtr ETF A USD0.60%2.3M$17.4M−2,730 (−0.1%)September 30, 2026
11Vanguard Russell 2000 ETF0.58%2.3M$17.0M+22,086 (+1.0%)September 30, 2026
12Vanguard Tax-Managed Small Cap Adm0.55%2.1M$16.1M−495,100 (−18.8%)September 30, 2026
13Schwab US Small-Cap ETF™0.53%2.0M$15.3M+1,368 (+0.1%)September 30, 2026
14iShares S&P Small-Cap 600 Growth ETF0.51%2.0M$14.8M—September 30, 2026
15iShares Expanded Tech-Software Sect ETF0.49%1.9M$14.2M+17,825 (+1.0%)September 30, 2026
16Bitwise Crypto Industry Innovators ETF0.47%1.8M$13.6M—September 30, 2026
17Fidelity Extended Market Index0.45%1.8M$13.2M−165,244 (−8.6%)August 31, 2026
18VanEck Digital Trfmt ETF0.45%1.7M$12.9M—September 30, 2026
19iShares S&P Small-Cap 600 Value ETF0.38%1.5M$11.1M—September 30, 2026
20Vanguard S&P Small-Cap 600 ETF0.35%1.4M$10.3M−6,803 (−0.5%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

MARA insider transactions

latest 20
Marathon Digital Holdings, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-17Salman Hassan KhanSell$11.6816,000$186,880
2026-04-17Frederick G ThielSell$11.6827,505$321,258
2026-04-17Zabi NowaidSell$12.0042,090$505,080
2026-03-17Frederick G ThielSell$9.1827,505$252,496
2026-03-17Salman Hassan KhanSell$9.1816,000$146,880
2026-02-17Frederick G ThielSell$7.6627,505$210,688
2026-02-17Salman Hassan KhanSell$7.6616,000$122,560
2026-01-20Frederick G ThielSell$10.8027,505$297,054
2025-12-17Frederick G ThielSell$10.7727,505$296,229
2025-12-15Salman Hassan KhanSell$11.4834,732$398,723
2025-11-17Frederick G ThielSell$11.9927,505$329,785
2025-11-17Salman Hassan KhanSell$11.9934,732$416,437
2025-11-10Douglas K MellingerSell$16.551,000$16,550
2025-11-10Zabi NowaidSell$15.8725,113$398,543
2025-11-06Zabi NowaidSell$16.704,887$81,613
2025-10-17Frederick G ThielSell$19.5727,505$538,273
2025-10-15Salman Hassan KhanSell$22.7434,732$789,806
2025-10-07Douglas K MellingerSell$20.711,000$20,710
2025-09-17Frederick G ThielSell$17.3827,505$478,037
2025-09-15Salman Hassan KhanSell$16.2434,732$564,048

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

MARA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MARA

Institutional investors own 75.9% of Marathon Digital's shares and insiders 0.78%. The largest holder is BlackRock Inc with 16.59% of the shares (64.1M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 29.84% of the float, or 2.27 days of average trading volume. The share count rose 2,451.8% since 2014.

Related: MARA analyst forecast, MARA key metrics. See the MARA stock overview for the latest quote and news.

MARA ownership FAQ

Who owns the most Marathon Digital stock?

The largest shareholders of Marathon Digital are BlackRock Inc (16.59%), Vanguard Portfolio Management, LLC (7.09%), Vanguard Capital Management, LLC (4.28%), State Street Corp (4.12%), Geode Capital Management, LLC (2.81%).

What percentage of Marathon Digital is owned by institutions?

Institutions hold 75.9% of Marathon Digital's shares outstanding; insiders hold 0.78%.

Which funds own Marathon Digital?

The largest fund holders of Marathon Digital are iShares Core S&P Small-Cap ETF (5.96%), Vanguard MStar Total Stk Mkt Idx Invest (2.98%), iShares Russell 2000 ETF (2.61%), Vanguard Small Cap Index (2.25%), Vanguard Information Technology ETF (2.04%).

What is Marathon Digital's short interest?

100.8M shares of Marathon Digital were sold short, 29.84% of the float; at the average daily volume it would take 2.27 days to cover.

Are insiders buying or selling Marathon Digital?

Of the latest 20 reported insider transactions in Marathon Digital (since September 15, 2025), 0 were purchases and 20 were sales.

How many shares of Marathon Digital are outstanding?

Marathon Digital has 386.3M shares outstanding, of which 378.5M are in the public float.

Capital Markets: ownership