M
MARA Holdings
MARA · Power Shells
$11.43
-0.49 (-4.11%)
As of Sep 10, 2026 close
Institutional Ownership — Q1 2026 (filed through May 21)
Institutional Holders
382
-15 vs Q4 2025
Shares Held
245.6M
-5.1M QoQ
% of Shares Out
23.7%
91.5M held with sole discretion
Value Held
$2.8B
at $11.43 · Sep 10, 2026 close
5%+ Owners
5
via 13G/13D
% of Shares Out counts only shares held with sole investment discretion. Where two managers share discretion, Form 13F requires each to report the full position, so summing every filer exceeds 100% of shares outstanding for widely-held names.
Holder Map
Block size ∝ position · color = QoQ changeWhale Activity — Q1 2026 Filings
Increased146
Decreased99
New position79
Closed94
Institutional Shares Held by Quarter
Holders
Sortable · search holders| Source | % of Shrs Out | Period | |||||
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13F | 59.8M59,775,301 | +1.2M+1,217,604 +2.1% | $487.8M | 15.5% | Mar 31, 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 13F | 26.4M26,439,424 | +26.4M+26,439,424 new | $215.7M | 6.8% | Mar 31, 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 13F | 16.4M16,352,439 | +16.4M+16,352,439 new | $133.4M | 4.2% | Mar 31, 2026 | |
| STATE STREET CORP | 13F | 15.2M15,220,168 | +455K+455,183 +3.1% | $124.2M | 3.9% | Mar 31, 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC | 13F | 10.3M10,315,169 | +357K+357,403 +3.6% | $84.2M | 2.7% | Mar 31, 2026 | |
| Marex Group plc | 13F | 8.3M8,314,897 | -1.8M-1,822,816 -18.0% | $67.8M | 2.2% | Mar 31, 2026 | |
| UBS Group AG | 13F | 7.6M7,622,765 | -2.0M-1,968,304 -20.5% | $62.2M | 2.0% | Mar 31, 2026 | |
| GOLDMAN SACHS GROUP INC | 13F | 6.0M6,032,453 | +2.3M+2,291,738 +61.3% | $49.2M | 1.6% | Mar 31, 2026 | |
| MORGAN STANLEY | 13F | 5.2M5,219,396 | -1.1M-1,118,829 -17.7% | $42.6M | 1.4% | Mar 31, 2026 | |
| BANK OF AMERICA CORP /DE/ | 13F | 5.1M5,089,211 | +1.7M+1,681,690 +49.4% | $41.5M | 1.3% | Mar 31, 2026 | |
| JPMORGAN CHASE & CO | 13F | 4.7M4,671,002 | +2.9M+2,948,517 +171.2% | $36.4M | 1.2% | Mar 31, 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 13F | 4.1M4,103,684 | -287K-287,113 -6.5% | $33.5M | 1.1% | Mar 31, 2026 | |
| HRT FINANCIAL LP | 13F | 3.7M3,679,439 | +3.7M+3,679,439 new | $30.0M | 1.0% | Mar 31, 2026 | |
| VAN ECK ASSOCIATES CORP | 13F | 3.5M3,481,475 | +754K+754,406 +27.7% | $28.4M | 0.9% | Mar 31, 2026 | |
| NORTHERN TRUST CORP | 13F | 3.3M3,343,201 | +222K+221,512 +7.1% | $27.3M | 0.9% | Mar 31, 2026 | |
| Capital Research Global Investors | 13F | 3.3M3,316,943 | -382K-382,081 -10.3% | $27.1M | 0.9% | Mar 31, 2026 | |
| Bank of New York Mellon Corp | 13F | 2.5M2,461,571 | -49K-48,646 -1.9% | $20.1M | 0.6% | Mar 31, 2026 | |
| VANGUARD FIDUCIARY TRUST CO | 13F | 2.4M2,426,013 | +2.4M+2,426,013 new | $19.8M | 0.6% | Mar 31, 2026 | |
| Clear Street Group Inc. | 13F | 2.3M2,349,300 | +1.1M+1,059,700 +82.2% | $19.2M | 0.6% | Mar 31, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 13F | 2.1M2,120,505 | +1.7M+1,693,036 +396.1% | $17.3M | 0.5% | Mar 31, 2026 | |
| EXCHANGE TRADED CONCEPTS, LLC | 13F | 2.0M1,956,189 | +417K+416,979 +27.1% | $16.0M | 0.5% | Mar 31, 2026 | |
| PRINCIPAL FINANCIAL GROUP INC | 13F | 1.8M1,838,149 | +36K+35,978 +2.0% | $15.0M | 0.5% | Mar 31, 2026 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 13F | 1.8M1,789,145 | -119K-119,069 -6.2% | $14.6M | 0.5% | Mar 31, 2026 | |
| Invesco Ltd. | 13F | 1.6M1,605,694 | +91K+90,904 +6.0% | $13.1M | 0.4% | Mar 31, 2026 | |
| WELLS FARGO & COMPANY/MN | 13F | 1.6M1,582,489 | -183K-183,066 -10.4% | $12.9M | 0.4% | Mar 31, 2026 | |
| Vident Advisory, LLC | 13F | 1.5M1,544,885 | -149K-148,719 -8.8% | $12.6M | 0.4% | Mar 31, 2026 | |
| Public Sector Pension Investment Board | 13F | 1.4M1,353,020 | +44K+44,114 +3.4% | $11.0M | 0.4% | Mar 31, 2026 | |
| D. E. Shaw & Co., Inc. | 13F | 1.3M1,318,179 | -186K-186,001 -12.4% | $10.8M | 0.3% | Mar 31, 2026 | |
| BARCLAYS PLC | 13F | 1.3M1,281,846 | -449K-448,554 -25.9% | $10.5M | 0.3% | Mar 31, 2026 | |
| Tidal Investments LLC | 13F | 1.1M1,138,855 | +123K+122,793 +12.1% | $9.3M | 0.3% | Mar 31, 2026 | |
| IMC-Chicago, LLC | 13F | 1.1M1,108,766 | +344K+344,155 +45.0% | $9.0M | 0.3% | Mar 31, 2026 | |
| RHUMBLINE ADVISERS | 13F | 1.1M1,101,864 | +15K+14,753 +1.4% | $9.0M | 0.3% | Mar 31, 2026 | |
| LPL Financial LLC | 13F | 994K994,461 | +12K+11,893 +1.2% | $8.1M | 0.3% | Mar 31, 2026 | |
| FIRST TRUST ADVISORS LP | 13F | 974K974,234 | -432K-431,777 -30.7% | $7.9M | 0.3% | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | 13F | 965K964,620 | -428K-427,683 -30.7% | $7.9M | 0.2% | Mar 31, 2026 | |
| Nuveen, LLC | 13F | 955K954,973 | +74K+74,219 +8.4% | $7.8M | 0.2% | Mar 31, 2026 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 13F | 923K923,349 | -157K-156,736 -14.5% | $7.5M | 0.2% | Mar 31, 2026 | |
| MARSHALL WACE, LLP | 13F | 873K873,098 | +873K+873,098 new | $7.1M | 0.2% | Mar 31, 2026 | |
| AMERIPRISE FINANCIAL INC | 13F | 821K821,275 | +69K+69,067 +9.2% | $6.7M | 0.2% | Mar 31, 2026 | |
| Legal & General Group Plc | 13F | 815K815,040 | -92K-92,025 -10.1% | $6.7M | 0.2% | Mar 31, 2026 | |
| CITIGROUP INC | 13F | 793K793,026 | +182K+181,539 +29.7% | $6.5M | 0.2% | Mar 31, 2026 | |
| Marathon Trading Investment Management LLC | 13F | 730K729,858 | +513K+512,992 +236.5% | $6.0M | 0.2% | Mar 31, 2026 | |
| Swiss National Bank | 13F | 694K693,900 | +0+0 +0.0% | $5.7M | 0.2% | Mar 31, 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 13F | 686K685,744 | +85K+85,103 +14.2% | $5.6M | 0.2% | Mar 31, 2026 | |
| BANCO BILBAO VIZCAYA ARGENTARIA, S.A. | 13F | 665K664,835 | +373K+373,351 +128.1% | $5.4M | 0.2% | Mar 31, 2026 | |
| HSBC HOLDINGS PLC | 13F | 634K634,172 | +65K+65,220 +11.5% | $5.1M | 0.2% | Mar 31, 2026 | |
| Delta Global Management LP | 13F | 621K620,562 | +621K+620,562 new | $5.1M | 0.2% | Mar 31, 2026 | |
| MILLENNIUM MANAGEMENT LLC | 13F | 621K620,562 | -244K-244,479 -28.3% | $5.1M | 0.2% | Mar 31, 2026 | |
| SG Americas Securities, LLC | 13F | 614K613,957 | -805K-805,120 -56.7% | $5.0M | 0.2% | Mar 31, 2026 | |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13F | 585K585,122 | -33K-33,198 -5.4% | $4.8M | 0.2% | Mar 31, 2026 |
Showing 50 of 382 holders · 8 columns
Page 1 of 8
Derivatives Institutional Owners
13F put/call positions · excluded from ownership totals| Type | Period | |||||
|---|---|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Call | 15.2M15,239,300 | -406K-406,100 -2.6% | $124.4M | Mar 31, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Put | 12.4M12,376,400 | +3.0M+3,038,500 +32.5% | $101.0M | Mar 31, 2026 | |
| Tidal Investments LLC | Call | 11.7M11,711,000 | +2.4M+2,360,500 +25.2% | $95.6M | Mar 31, 2026 | |
| WOLVERINE ASSET MANAGEMENT LLC | Put | 11.3M11,304,700 | -1.3M-1,270,400 -10.1% | $92.2M | Mar 31, 2026 | |
| JANE STREET GROUP, LLC | Call | 10.9M10,917,600 | +4.8M+4,794,600 +78.3% | $89.1M | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | Call | 10.7M10,683,600 | +815K+815,200 +8.3% | $87.2M | Mar 31, 2026 | |
| JANE STREET GROUP, LLC | Put | 8.0M8,005,900 | +1.7M+1,655,200 +26.1% | $65.3M | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | Put | 6.9M6,888,300 | -24K-24,000 -0.3% | $56.2M | Mar 31, 2026 | |
| WHITEBOX ADVISORS LLC | Put | 4.4M4,369,200 | +500K+500,000 +12.9% | $35.7M | Mar 31, 2026 | |
| DLD Asset Management, LP | Put | 2.9M2,925,000 | +1.3M+1,279,000 +77.7% | $23.9M | Mar 31, 2026 | |
| D. E. Shaw & Co., Inc. | Put | 2.8M2,825,000 | -369K-368,700 -11.5% | $23.1M | Mar 31, 2026 | |
| D. E. Shaw & Co., Inc. | Call | 2.5M2,497,200 | +1.2M+1,213,500 +94.5% | $20.4M | Mar 31, 2026 | |
| Parallax Volatility Advisers, L.P. | Call | 2.3M2,311,400 | -515K-515,400 -18.2% | $26.0M | Mar 31, 2026 | |
| TWO SIGMA INVESTMENTS, LP | Put | 2.0M1,954,900 | -2.4M-2,417,700 -55.3% | $16.0M | Mar 31, 2026 | |
| Parallax Volatility Advisers, L.P. | Put | 1.8M1,817,800 | -571K-571,100 -23.9% | $20.4M | Mar 31, 2026 | |
| Walleye Trading LLC | Call | 1.5M1,466,000 | +300K+299,500 +25.7% | $12.0M | Mar 31, 2026 | |
| Point72 Asset Management, L.P. | Put | 1.2M1,220,600 | +319K+319,000 +35.4% | $10.0M | Mar 31, 2026 | |
| Point72 Asset Management, L.P. | Call | 1.1M1,079,900 | +889K+889,400 +466.9% | $8.8M | Mar 31, 2026 | |
| WHITEBOX ADVISORS LLC | Call | 1.0M1,000,000 | +1.0M+1,000,000 new | $8.2M | Mar 31, 2026 | |
| BARCLAYS PLC | Call | 860K860,000 | -501K-501,100 -36.8% | $7.0M | Mar 31, 2026 | |
| CAPSTONE INVESTMENT ADVISORS, LLC | Put | 844K844,000 | +134K+133,500 +18.8% | $6.9M | Mar 31, 2026 | |
| Tidal Investments LLC | Put | 787K786,600 | -3K-2,600 -0.3% | $6.4M | Mar 31, 2026 | |
| NOMURA HOLDINGS INC | Call | 749K749,100 | -882K-882,400 -54.1% | $6.1M | Mar 31, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Call | 681K681,000 | -996K-995,900 -59.4% | $5.6M | Mar 31, 2026 | |
| CITIGROUP INC | Call | 588K588,400 | +297K+297,000 +101.9% | $4.8M | Mar 31, 2026 | |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Call | 570K570,000 | +570K+570,000 new | $4.6M | Mar 31, 2026 | |
| Jefferies Financial Group Inc. | Put | 560K560,300 | -527K-527,200 -48.5% | $4.6M | Mar 31, 2026 | |
| MILLENNIUM MANAGEMENT LLC | Put | 524K523,500 | -700K-700,100 -57.2% | $4.3M | Mar 31, 2026 | |
| Balyasny Asset Management L.P. | Put | 500K500,000 | -3.5M-3,531,100 -87.6% | $4.1M | Mar 31, 2026 | |
| BARCLAYS PLC | Put | 485K485,000 | +63K+63,100 +15.0% | $4.0M | Mar 31, 2026 | |
| PEAK6 LLC | Call | 435K434,500 | -207K-207,300 -32.3% | $3.5M | Mar 31, 2026 | |
| Sculptor Capital LP | Put | 431K430,900 | -438K-438,400 -50.4% | $3.5M | Mar 31, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Put | 397K396,600 | -184K-183,800 -31.7% | $3.2M | Mar 31, 2026 | |
| Squarepoint Ops LLC | Put | 379K379,200 | -877K-876,700 -69.8% | $3.1M | Mar 31, 2026 | |
| CITIGROUP INC | Put | 370K370,000 | +278K+278,200 +303.1% | $3.0M | Mar 31, 2026 | |
| CSS LLC/IL | Put | 356K356,400 | +19K+18,600 +5.5% | $2.9M | Mar 31, 2026 | |
| Walleye Trading LLC | Put | 332K331,700 | -440K-440,200 -57.0% | $2.7M | Mar 31, 2026 | |
| Caption Management, LLC | Call | 310K310,000 | +221K+220,500 +246.4% | $2.5M | Mar 31, 2026 | |
| Walleye Capital LLC | Call | 287K286,900 | -253K-253,400 -46.9% | $2.3M | Mar 31, 2026 | |
| CREDIT AGRICOLE S A | Put | 275K275,000 | +150K+150,000 +120.0% | $2.2M | Mar 31, 2026 | |
| Walleye Capital LLC | Put | 251K250,900 | +14K+14,400 +6.1% | $2.0M | Mar 31, 2026 | |
| Caption Management, LLC | Put | 225K225,000 | -100K-100,000 -30.8% | $1.8M | Mar 31, 2026 | |
| Leonteq Securities AG | Call | 214K214,000 | -86K-86,000 -28.7% | $1.7M | Mar 31, 2026 | |
| Squarepoint Ops LLC | Call | 213K212,600 | -327K-327,000 -60.6% | $1.7M | Mar 31, 2026 | |
| Qube Research & Technologies Ltd | Call | 208K208,100 | -183K-182,800 -46.8% | $1.7M | Mar 31, 2026 | |
| TUDOR INVESTMENT CORP ET AL | Put | 186K186,100 | -173K-172,700 -48.1% | $1.5M | Mar 31, 2026 | |
| LPL Financial LLC | Put | 186K186,000 | -398K-398,300 -68.2% | $1.5M | Mar 31, 2026 | |
| MILLENNIUM MANAGEMENT LLC | Call | 138K138,100 | +98K+98,200 +246.1% | $1.1M | Mar 31, 2026 | |
| Jefferies Financial Group Inc. | Call | 137K136,600 | -238K-238,400 -63.6% | $1.1M | Mar 31, 2026 | |
| Crawford Fund Management, LLC | Put | 115K115,000 | -32K-32,000 -21.8% | $938.4K | Mar 31, 2026 |
Showing 50 of 72 derivative positions · 7 columns
Page 1 of 2
Ownership Events — 13G / 13D
Event-driven, scanned dailyVanguard Capital Management crosses 5.0% Initial Schedule 13G · 19,211,414 shares reported | 13G | Apr 30, 2026 |
Vanguard Portfolio Management crosses 5.0% Initial Schedule 13G · 26,585,326 shares reported | 13G | Apr 29, 2026 |
G1 Execution Services, LLC falls below 5% (from 5.3%) Schedule 13G/A · position exited | 13G/A | Nov 13, 2025 |
G1 Execution Services, LLC crosses 5.0% Initial Schedule 13G · 19,297,219 shares reported | 13G | Aug 14, 2025 |
JANE STREET GROUP, LLC reports 1.0% (from 6.5%) Schedule 13G/A · amendment | 13G/A | Nov 14, 2024 |
The Vanguard Group reports 12.3% (from 12.3%) Schedule 13G/A · amendment | 13G/A | Nov 12, 2024 |
The Vanguard Group reports 12.3% (from 10.5%) Schedule 13G/A · amendment | 13G/A | Nov 4, 2024 |
BlackRock, Inc. reports 15.4% Schedule 13G/A · amendment | 13G/A | Oct 18, 2024 |
BlackRock Inc. reports 12.4% (from 8.1%) Schedule 13G/A · amendment | 13G/A | Jun 7, 2024 |
Capital Ventures International falls below 5% (from 6.1%) Schedule 13G/A · position exited | 13G/A | Feb 14, 2024 |
Quarterly holdings from SEC Form 13F-HR structured data sets (filed within 45 days of quarter end); 5%+ ownership events from Schedule 13G/13D filings scanned daily via EDGAR. Each row links to the source filing. Est. Avg Cost is a rolling-average estimate — each quarter's added shares priced at that quarter's 13F value ÷ shares, split-adjusted, with history beginning 2024-Q2; positions with one quarter of history or a data-quality flag show “—”.