M
MARA Holdings
MARA · Power Shells
$7.02
-0.23 (-3.17%)
As of Oct 23, 2026 close
Institutional Ownership — Q2 2026 (filed through Aug 28)
Institutional Holders
411
+27 vs Q1 2026
Shares Held
280.1M
+34.4M QoQ
% of Shares Out
30.1%
116.4M held with sole discretion
Value Held
$2.0B
at $7.02 · Oct 23, 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 — Q2 2026 Filings
Increased149
Decreased111
New position92
Closed65
Institutional Shares Held by Quarter
Holders
Sortable · search holders| Source | % of Shrs Out | Period | |||||
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13F | 64.1M64,095,643 | +4.3M+4,320,342 +7.2% | $890.3M | 16.6% | Jun 30, 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 13F | 27.4M27,399,926 | +961K+960,502 +3.6% | $380.6M | 7.1% | Jun 30, 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 13F | 16.5M16,544,675 | +192K+192,236 +1.2% | $229.8M | 4.3% | Jun 30, 2026 | |
| STATE STREET CORP | 13F | 15.9M15,901,746 | +682K+681,578 +4.5% | $220.9M | 4.1% | Jun 30, 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC | 13F | 10.9M10,872,917 | +558K+557,748 +5.4% | $188.0M | 2.8% | Jun 30, 2026 | |
| D. E. Shaw & Co., Inc. | 13F | 10.4M10,376,069 | +9.1M+9,057,890 +687.2% | $144.1M | 2.7% | Jun 30, 2026 | |
| Marex Group Ltd | 13F | 8.0M7,953,008 | -362K-361,889 -4.4% | $110.5M | 2.1% | Jun 30, 2026 | |
| MORGAN STANLEY | 13F | 6.8M6,766,861 | +1.5M+1,547,465 +29.6% | $94.0M | 1.8% | Jun 30, 2026 | |
| BANK OF AMERICA CORP /DE/ | 13F | 6.1M6,100,582 | +1.0M+1,011,371 +19.9% | $84.7M | 1.6% | Jun 30, 2026 | |
| UBS Group AG | 13F | 5.6M5,579,055 | -2.0M-2,043,710 -26.8% | $77.5M | 1.4% | Jun 30, 2026 | |
| GOLDMAN SACHS GROUP INC | 13F | 5.0M4,977,949 | -1.1M-1,054,504 -17.5% | $69.1M | 1.3% | Jun 30, 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 13F | 4.7M4,727,923 | +624K+624,239 +15.2% | $65.7M | 1.2% | Jun 30, 2026 | |
| DIMENSIONAL FUND ADVISORS LP | 13F | 4.5M4,513,153 | +4.4M+4,408,902 +4229.1% | $62.7M | 1.2% | Jun 30, 2026 | |
| NORTHERN TRUST CORP | 13F | 3.7M3,702,048 | +359K+358,847 +10.7% | $51.4M | 1.0% | Jun 30, 2026 | |
| VAN ECK ASSOCIATES CORP | 13F | 3.5M3,473,797 | -8K-7,678 -0.2% | $48.3M | 0.9% | Jun 30, 2026 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 13F | 3.4M3,354,830 | +3.4M+3,354,830 new | $46.6M | 0.9% | Jun 30, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 13F | 3.3M3,336,026 | +1.2M+1,215,521 +57.3% | $46.3M | 0.9% | Jun 30, 2026 | |
| SEGALL BRYANT & HAMILL, LLC | 13F | 2.8M2,756,177 | +2.8M+2,756,177 new | $38.3M | 0.7% | Jun 30, 2026 | |
| Bank of New York Mellon Corp | 13F | 2.7M2,684,354 | +223K+222,783 +9.1% | $37.3M | 0.7% | Jun 30, 2026 | |
| Clear Street Group Inc. | 13F | 2.7M2,653,400 | +304K+304,100 +12.9% | $36.9M | 0.7% | Jun 30, 2026 | |
| TWO SIGMA INVESTMENTS, LP | 13F | 2.6M2,569,038 | +2.6M+2,569,038 new | $35.7M | 0.7% | Jun 30, 2026 | |
| VANGUARD FIDUCIARY TRUST CO | 13F | 2.5M2,520,536 | +95K+94,523 +3.9% | $35.0M | 0.7% | Jun 30, 2026 | |
| JPMORGAN CHASE & CO | 13F | 2.5M2,491,920 | -2.2M-2,179,082 -46.7% | $35.2M | 0.6% | Jun 30, 2026 | |
| Quadrature Capital Ltd | 13F | 2.4M2,392,374 | +2.4M+2,369,307 +10271.4% | $33.2M | 0.6% | Jun 30, 2026 | |
| CANADA PENSION PLAN INVESTMENT BOARD | 13F | 2.3M2,318,200 | +2.3M+2,318,200 new | $32.2M | 0.6% | Jun 30, 2026 | |
| PRINCIPAL FINANCIAL GROUP INC | 13F | 1.8M1,842,827 | +5K+4,678 +0.3% | $25.6M | 0.5% | Jun 30, 2026 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 13F | 1.8M1,816,208 | +27K+27,063 +1.5% | $25.2M | 0.5% | Jun 30, 2026 | |
| Public Sector Pension Investment Board | 13F | 1.8M1,814,680 | +462K+461,660 +34.1% | $25.2M | 0.5% | Jun 30, 2026 | |
| Vident Advisory, LLC | 13F | 1.8M1,802,838 | +258K+257,953 +16.7% | $25.0M | 0.5% | Jun 30, 2026 | |
| WELLS FARGO & COMPANY/MN | 13F | 1.7M1,711,986 | +129K+129,497 +8.2% | $23.8M | 0.4% | Jun 30, 2026 | |
| BARCLAYS PLC | 13F | 1.7M1,702,031 | +420K+420,185 +32.8% | $23.6M | 0.4% | Jun 30, 2026 | |
| WOLVERINE ASSET MANAGEMENT LLC | 13F | 1.7M1,694,207 | +1.7M+1,694,207 new | $23.5M | 0.4% | Jun 30, 2026 | |
| Bitwise Funds Trust | 13F | 1.6M1,625,386 | +1.6M+1,625,386 new | $22.6M | 0.4% | Jun 30, 2026 | |
| EXCHANGE TRADED CONCEPTS, LLC | 13F | 1.5M1,525,531 | -431K-430,658 -22.0% | $21.2M | 0.4% | Jun 30, 2026 | |
| TUDOR INVESTMENT CORP ET AL | 13F | 1.5M1,479,564 | +1.4M+1,352,832 +1067.5% | $20.6M | 0.4% | Jun 30, 2026 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 13F | 1.3M1,333,571 | +410K+410,222 +44.4% | $18.5M | 0.3% | Jun 30, 2026 | |
| Invesco Ltd. | 13F | 1.3M1,271,410 | -334K-334,284 -20.8% | $17.7M | 0.3% | Jun 30, 2026 | |
| MILLENNIUM MANAGEMENT LLC | 13F | 1.2M1,232,023 | +611K+611,461 +98.5% | $17.1M | 0.3% | Jun 30, 2026 | |
| Alberta Investment Management Corp | 13F | 1.2M1,212,100 | +1.2M+1,212,100 new | $16.8M | 0.3% | Jun 30, 2026 | |
| Tidal Investments LLC | 13F | 1.2M1,151,942 | +13K+13,087 +1.1% | $16.0M | 0.3% | Jun 30, 2026 | |
| Balyasny Asset Management L.P. | 13F | 1.1M1,134,250 | +903K+902,850 +390.2% | $15.8M | 0.3% | Jun 30, 2026 | |
| Nuveen, LLC | 13F | 1.1M1,116,089 | +161K+161,116 +16.9% | $15.5M | 0.3% | Jun 30, 2026 | |
| RENAISSANCE TECHNOLOGIES LLC | 13F | 1.1M1,111,938 | +1.1M+1,111,938 new | $15.4M | 0.3% | Jun 30, 2026 | |
| AMERIPRISE FINANCIAL INC | 13F | 1.1M1,059,698 | +238K+238,423 +29.0% | $14.7M | 0.3% | Jun 30, 2026 | |
| FIRST TRUST ADVISORS LP | 13F | 1.0M1,026,912 | +53K+52,678 +5.4% | $14.3M | 0.3% | Jun 30, 2026 | |
| RHUMBLINE ADVISERS | 13F | 1.0M1,024,401 | -77K-77,463 -7.0% | $14.2M | 0.3% | Jun 30, 2026 | |
| AQR CAPITAL MANAGEMENT LLC | 13F | 973K972,576 | +540K+540,268 +125.0% | $13.5M | 0.3% | Jun 30, 2026 | |
| DEUTSCHE BANK AG\ | 13F | 904K903,742 | +479K+479,192 +112.9% | $12.6M | 0.2% | Jun 30, 2026 | |
| CITIGROUP INC | 13F | 902K902,386 | +109K+109,360 +13.8% | $12.5M | 0.2% | Jun 30, 2026 | |
| Legal & General Group Plc | 13F | 757K757,252 | -58K-57,788 -7.1% | $10.5M | 0.2% | Jun 30, 2026 |
Showing 50 of 411 holders · 8 columns
Page 1 of 9
Derivatives Institutional Owners
13F put/call positions · excluded from ownership totals| Type | Period | |||||
|---|---|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Put | 13.2M13,195,800 | +819K+819,400 +6.6% | $183.3M | Jun 30, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Call | 12.8M12,795,800 | -2.4M-2,443,500 -16.0% | $177.7M | Jun 30, 2026 | |
| JANE STREET GROUP, LLC | Call | 10.2M10,191,300 | -726K-726,300 -6.7% | $141.6M | Jun 30, 2026 | |
| WOLVERINE ASSET MANAGEMENT LLC | Put | 7.8M7,802,700 | -3.5M-3,502,000 -31.0% | $108.4M | Jun 30, 2026 | |
| CITADEL ADVISORS LLC | Call | 7.4M7,387,500 | -3.3M-3,296,100 -30.9% | $102.6M | Jun 30, 2026 | |
| Tidal Investments LLC | Call | 6.4M6,381,500 | -5.3M-5,329,500 -45.5% | $88.6M | Jun 30, 2026 | |
| JANE STREET GROUP, LLC | Put | 5.2M5,216,400 | -2.8M-2,789,500 -34.8% | $72.5M | Jun 30, 2026 | |
| D. E. Shaw & Co., Inc. | Call | 4.2M4,158,700 | +1.7M+1,661,500 +66.5% | $57.8M | Jun 30, 2026 | |
| CITADEL ADVISORS LLC | Put | 3.3M3,263,600 | -3.6M-3,624,700 -52.6% | $45.3M | Jun 30, 2026 | |
| DLD Asset Management, LP | Put | 2.8M2,840,600 | -84K-84,400 -2.9% | $39.5M | Jun 30, 2026 | |
| WHITEBOX ADVISORS LLC | Put | 2.8M2,831,500 | -1.5M-1,537,700 -35.2% | $39.3M | Jun 30, 2026 | |
| Parallax Volatility Advisers, L.P. | Put | 1.7M1,744,000 | -74K-73,800 -4.1% | $24.2M | Jun 30, 2026 | |
| Walleye Trading LLC | Call | 1.5M1,479,200 | +13K+13,200 +0.9% | $20.5M | Jun 30, 2026 | |
| Point72 Asset Management, L.P. | Call | 1.5M1,466,000 | +386K+386,100 +35.8% | $20.4M | Jun 30, 2026 | |
| D. E. Shaw & Co., Inc. | Put | 1.4M1,385,000 | -1.4M-1,440,000 -51.0% | $19.2M | Jun 30, 2026 | |
| MILLENNIUM MANAGEMENT LLC | Put | 1.1M1,087,600 | +564K+564,100 +107.8% | $15.1M | Jun 30, 2026 | |
| CITIGROUP INC | Call | 891K891,400 | +303K+303,000 +51.5% | $12.4M | Jun 30, 2026 | |
| CAPSTONE INVESTMENT ADVISORS, LLC | Put | 844K844,000 | +0+0 +0.0% | $11.7M | Jun 30, 2026 | |
| NOMURA HOLDINGS INC | Call | 844K843,500 | +94K+94,400 +12.6% | $11.7M | Jun 30, 2026 | |
| Tidal Investments LLC | Put | 751K751,300 | -35K-35,300 -4.5% | $10.4M | Jun 30, 2026 | |
| Walleye Trading LLC | Put | 724K724,300 | +393K+392,600 +118.4% | $10.1M | Jun 30, 2026 | |
| CITIGROUP INC | Put | 670K670,000 | +300K+300,000 +81.1% | $9.3M | Jun 30, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Call | 598K597,500 | -84K-83,500 -12.3% | $8.3M | Jun 30, 2026 | |
| PEAK6 LLC | Put | 572K572,000 | +492K+492,200 +616.8% | $7.9M | Jun 30, 2026 | |
| Balyasny Asset Management L.P. | Call | 536K536,200 | +499K+499,300 +1353.1% | $7.4M | Jun 30, 2026 | |
| Parallax Volatility Advisers, L.P. | Call | 504K503,900 | -1.8M-1,807,500 -78.2% | $7.0M | Jun 30, 2026 | |
| TWO SIGMA INVESTMENTS, LP | Put | 486K486,400 | -1.5M-1,468,500 -75.1% | $6.8M | Jun 30, 2026 | |
| Caption Management, LLC | Call | 460K460,000 | +150K+150,000 +48.4% | $6.4M | Jun 30, 2026 | |
| Alphadyne Asset Management LP | Put | 446K446,100 | +446K+446,100 new | $6.2M | Jun 30, 2026 | |
| Sculptor Capital LP | Put | 445K444,600 | +14K+13,700 +3.2% | $6.2M | Jun 30, 2026 | |
| PEAK6 LLC | Call | 435K434,500 | +0+0 +0.0% | $6.0M | Jun 30, 2026 | |
| LMR Partners LLP | Put | 427K426,500 | +427K+426,500 new | $5.9M | Jun 30, 2026 | |
| BARCLAYS PLC | Call | 410K410,000 | -450K-450,000 -52.3% | $5.7M | Jun 30, 2026 | |
| BARCLAYS PLC | Put | 400K400,000 | -85K-85,000 -17.5% | $5.6M | Jun 30, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Put | 372K371,900 | -25K-24,700 -6.2% | $5.2M | Jun 30, 2026 | |
| WHITEBOX ADVISORS LLC | Call | 350K350,000 | -650K-650,000 -65.0% | $4.9M | Jun 30, 2026 | |
| CSS LLC/IL | Put | 341K341,400 | -15K-15,000 -4.2% | $4.7M | Jun 30, 2026 | |
| Alphadyne Asset Management LP | Call | 319K318,800 | +319K+318,800 new | $4.4M | Jun 30, 2026 | |
| UBS Group AG | Call | 312K311,582 | +262K+261,582 +523.2% | $4.3M | Jun 30, 2026 | |
| Caption Management, LLC | Put | 300K300,000 | +75K+75,000 +33.3% | $4.2M | Jun 30, 2026 | |
| CREDIT AGRICOLE S A | Put | 275K275,000 | +0+0 +0.0% | $3.8M | Jun 30, 2026 | |
| Point72 Asset Management, L.P. | Put | 254K254,300 | -966K-966,300 -79.2% | $3.5M | Jun 30, 2026 | |
| Walleye Capital LLC | Call | 213K212,500 | -74K-74,400 -25.9% | $3.0M | Jun 30, 2026 | |
| J. Goldman & Co LP | Put | 180K180,000 | +180K+180,000 new | $2.5M | Jun 30, 2026 | |
| MIZUHO MARKETS AMERICAS LLC | Call | 178K178,363 | +178K+178,363 new | $587.6K | Jun 30, 2026 | |
| NOMURA HOLDINGS INC | Put | 170K170,000 | +85K+85,000 +100.0% | $2.4M | Jun 30, 2026 | |
| Bitwise Funds Trust | Call | 161K161,000 | +161K+161,000 new | $2.2M | Jun 30, 2026 | |
| TUDOR INVESTMENT CORP ET AL | Put | 155K154,700 | -31K-31,400 -16.9% | $2.1M | Jun 30, 2026 | |
| BANK OF MONTREAL /CAN/ | Call | 150K150,000 | +150K+150,000 new | $2.1M | Jun 30, 2026 | |
| Qube Research & Technologies Ltd | Call | 136K135,500 | -73K-72,600 -34.9% | $1.9M | Jun 30, 2026 |
Showing 50 of 73 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 “—”.