MARA HOLDINGS INC COM is a security (CUSIP 565788106) tracked across SEC portfolio filings. 449 institutional managers reported $3.2B on Form 13F as of 2026-06-30; 21 registered fund positions totaling $94.0M via N-PORT as of 2026-05-31.
Showing 15 of 449 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $487.8M | 59,775,301 |
| VANGUARD GROUP INC | Valley Forge, PA | $419.4M | 46,706,277 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $242.6M | 2,120,505 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $155.5M | 131,378 |
| CITADEL ADVISORS LLC | MIAMI, FL | $151.3M | 964,620 |
| STATE STREET CORP | BOSTON, MA | $124.2M | 15,220,168 |
| Toroso Investments, LLC | MILWAUKEE, WI | $111.3M | 1,138,855 |
| WOLVERINE ASSET MANAGEMENT LLC | CHICAGO, IL | $92.2M | — |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $84.2M | 10,315,169 |
| Marex Group plc | London, X0 | $67.8M | 8,314,897 |
| UBS Group AG | Zurich, V8 | $62.6M | 7,622,765 |
| WOLVERINE TRADING, LLC | CHICAGO, IL | $58.4M | 27,168 |
| D. E. Shaw & Co., Inc. | New York, NY | $54.2M | 1,318,179 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $49.2M | 6,032,453 |
| Parallax Volatility Advisers, L.P. | San Francisco, CA | $46.4M | — |
Showing 15 of 21 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $34.4M | 4.22% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $28.0M | 16.00% |
| SMALLCAP World Fund Inc | SMALLCAP World Fund Inc | $24.7M | 3.04% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $5.0M | 10.35% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $4.2M | 5.66% |
| BNY Mellon Smallcap Stock Index Fund | BNY MELLON INDEX FUNDS, INC. | $2.3M | 26.67% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $1.7M | 0.28% |
| Bridge Builder Tax Managed Small/Mid Cap Fund | Bridge Builder Trust | $1.5M | 5.09% |
| Fidelity Nasdaq Composite Index ETF | Fidelity Commonwealth Trust | $1.4M | 1.29% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $1.4M | 0.46% |
| Grayscale Bitcoin Miners ETF | Grayscale Funds Trust | $833K | 884.06% |
| Nuveen S&P 500 Dynamic Overwrite Fund | Nuveen S&P 500 Dynamic Overwrite Fund | $584K | 2.31% |
| Nuveen Nasdaq 100 Dynamic Overwrite Fund | Nuveen NASDAQ 100 Dynamic Overwrite Fund | $477K | 3.41% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $433K | 10.33% |
| Schwab 1000 Index ETF | SCHWAB STRATEGIC TRUST | $427K | 0.75% |