MARA HOLDINGS INC MARA
COM · Common Stock · CUSIP 565788106 · ISIN US5657881067
American patent holding company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.1m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $15.55. Options: 40 managers hold calls ($895.5m notional), 43 hold puts ($1.1bn).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 202 |
| Q4 2022 | 221 |
| Q1 2023 | 207 |
| Q2 2023 | 217 |
| Q3 2023 | 217 |
| Q4 2023 | 274 |
| Q1 2024 | 302 |
| Q2 2024 | 327 |
| Q3 2024 | 321 |
| Q4 2024 | 359 |
| Q1 2025 | 349 |
| Q2 2025 | 364 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 116 | 86 |
| Q4 2023 | 182 | 67 |
| Q1 2024 | 186 | 132 |
| Q2 2024 | 208 | 127 |
| Q3 2024 | 174 | 140 |
| Q4 2024 | 244 | 100 |
| Q1 2025 | 201 | 157 |
| Q2 2025 | 215 | 142 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $543.8m | $597.6m | 1.10 |
| Q4 2024 | $815.4m | $762.0m | 0.93 |
| Q1 2025 | $467.4m | $604.8m | 1.29 |
| Q2 2025 | $895.5m | $1.1bn | 1.23 |
Biggest buyers
| Marex Group Ltd | Added | +4.9m |
| ROYAL BANK OF CANADA | Added | +4.2m |
| CITADEL ADVISORS LLC | Added | +3.8m |
| Galaxy Group Investments LLC | New | +2.0m |
| RENAISSANCE TECHNOLOGIES LLC | New | +1.8m |
| VANGUARD GROUP INC | Added | +1.5m |
| Point72 Asset Management, L.P. | New | +1.3m |
| Squarepoint Ops LLC | New | +1.1m |
| Tidal Investments LLC | Added | +1.0m |
| BlackRock, Inc. | Added | +971.9k |
Biggest sellers
| MORGAN STANLEY | Reduced | -2.8m |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Sold out | -1.3m |
| JPMORGAN CHASE & CO | Reduced | -938.5k |
| NOMURA HOLDINGS INC | Reduced | -436.6k |
| Private Advisor Group, LLC | Reduced | -377.3k |
| PANAGORA ASSET MANAGEMENT INC | Sold out | -370.3k |
| COMERICA BANK | Reduced | -348.5k |
| BANK OF AMERICA CORP /DE/ | Reduced | -345.8k |
| FIRST TRUST ADVISORS LP | Reduced | -247.2k |
| NORTHERN TRUST CORP | Reduced | -244.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $300.3m19.1m shares |
| CITADEL ADVISORS LLC | Added | $137.8m8.8m shares |
| JANE STREET GROUP, LLC | Added | $76.3m4.9m shares |
| IMC-Chicago, LLC | Reduced | $57.4m3.7m shares |
| PEAK6 LLC | Added | $42.1m2.7m shares |
| SIMPLEX TRADING, LLC | Reduced | $39.5m2.5m shares |
| GROUP ONE TRADING LLC | Reduced | $31.3m2.0m shares |
| WOLVERINE TRADING, LLC | Added | $28.7m1.9m shares |
| Cubist Systematic Strategies, LLC | Added | $26.4m1.7m shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $22.7m1.4m shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $156.1m10.0m shares |
| WOLVERINE ASSET MANAGEMENT LLC | Added | $126.7m8.1m shares |
| CITADEL ADVISORS LLC | Added | $112.4m7.2m shares |
| LMR Partners LLP | Added | $102.3m6.5m shares |
| Squarepoint Ops LLC | Added | $72.4m4.6m shares |
| Balyasny Asset Management L.P. | Added | $62.5m4.0m shares |
| JANE STREET GROUP, LLC | Reduced | $50.9m3.2m shares |
| SUSQUEHANNA ADVISORS GROUP, INC. | Unchanged | $50.2m3.2m shares |
| TWO SIGMA INVESTMENTS, LP | Added | $43.3m2.8m shares |
| Graham Capital Management, L.P. | Unchanged | $42.8m2.7m shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.0% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), SUSQUEHANNA SECURITIES, LLC (4.9%, 2025-11-13)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 2 | $375.1k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 4 | — | — |
| Q2 2024 | 0 | — | 1 | $209.4k | — |
| Q3 2024 | 0 | — | 3 | $726.2k | $726.2k |
| Q4 2024 | 0 | — | 4 | $3.3m | $3.3m |
| Q1 2025 | 0 | — | 3 | $1.2m | $1.2m |
| Q2 2025 | 0 | — | 3 | $3.1m | $3.1m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-06-16 | Thiel Frederick G Chief Executive Officer, director | Sold plan | $420.8k27.5k shares |
| 2025-06-12 | Khan Salman Hassan Chief Financial Officer | Sold plan | $550.5k34.7k shares |
| 2025-06-06 | MELLINGER DOUGLAS K Director | Sold plan | $16.0k1.0k shares |
| 2025-05-16 | Thiel Frederick G Chief Executive Officer, director | Sold plan | $431.3k27.5k shares |
| 2025-05-16 | Khan Salman Hassan Chief Financial Officer | Sold plan | $261.9k16.7k shares |
| 2025-05-09 | Thiel Frederick G Chief Executive Officer, director | Sold plan | $825.1k55.0k shares |
| 2025-05-09 | Khan Salman Hassan Chief Financial Officer | Sold plan | $501.0k33.4k shares |
| 2025-05-09 | MELLINGER DOUGLAS K Director | Sold plan | $48.0k3.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.02% of their portfolio | 54.9m $860.6m | Added +971.9k |
| VANGUARD GROUP INC 0.01% of their portfolio | 41.3m $647.0m | Added +1.5m |
| STATE STREET CORP 0.01% of their portfolio | 13.5m $211.0m | Added +191.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 9.2m $144.7m | Added +315.5k |
| AMERICAN CENTURY COMPANIES INC 0.06% of their portfolio | 6.8m $106.3m | Added +491.2k |
| UBS Group AG 0.02% of their portfolio | 5.9m $92.9m | Added +34.4k |
| Marex Group Ltd 1.60% of their portfolio | 5.4m $84.3m | Added +4.9m |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 5.1m $79.5m | Added +4.2m |
| CITADEL ADVISORS LLC 0.06% of their portfolio | 4.6m $72.6m | Added +3.8m |
| MORGAN STANLEY 0.00% of their portfolio | 4.4m $68.9m | Reduced -2.8m |
| NORGES BANK 0.01% of their portfolio | 3.8m $59.3m | Added +681.0k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 3.8m $59.2m | Added +11.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 3.5m $55.3m | Added +205.7k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 3.3m $51.5m | Reduced -244.5k |
| Invesco Ltd. 0.01% of their portfolio | 3.1m $48.5m | Added +63.5k |
| Tidal Investments LLC 0.31% of their portfolio | 3.1m $47.9m | Added +1.0m |
| Capital World Investors 0.01% of their portfolio | 2.9m $45.6m | Added +829.0k |
| VAN ECK ASSOCIATES CORP 0.04% of their portfolio | 2.4m $38.1m | Added +394.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 2.4m $37.2m | Added +676.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.3m $35.8m | Added +177.8k |
| Galaxy Group Investments LLC 0.25% of their portfolio | 2.0m $1.7m | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.06% of their portfolio | 2.0m $30.9m | Added +119.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio | 1.8m $28.4m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.5m $23.4m | Reduced -938.5k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.5m $23.1m | Added +40.2k |
| Point72 Asset Management, L.P. 0.05% of their portfolio | 1.3m $20.0m | New |
| Public Sector Pension Investment Board 0.08% of their portfolio | 1.2m $18.8m | Added +123.5k |
| EXCHANGE TRADED CONCEPTS, LLC 0.24% of their portfolio | 1.2m $18.4m | Added +83.6k |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 1.2m $18.0m | Reduced -247.2k |
| Squarepoint Ops LLC 0.04% of their portfolio | 1.1m $17.3m | New |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 1.1m $16.6m | Reduced -59.4k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 1.0m $15.8m | Added +88.0k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.02% of their portfolio | 1.0m $15.7m | Added +592.5k |
| Legal & General Group Plc 0.00% of their portfolio | 942.2k $14.8m | Reduced -22.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 906.2k $14.2m | Added +262.9k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 876.5k $13.7m | Reduced -194.7k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 840.9k $13.2m | Reduced -127.4k |
| FARALLON CAPITAL MANAGEMENT, L.L.C. 0.06% of their portfolio | 835.0k $13.1m | Unchanged |
| Vident Advisory, LLC 0.15% of their portfolio | 830.9k $13.0m | Added +135.7k |
| BARCLAYS PLC 0.01% of their portfolio | 829.9k $13.0m | Added +131.6k |
| Nuveen, LLC 0.00% of their portfolio | 809.3k $12.7m | Reduced -191.9k |
| GROUP ONE TRADING LLC 0.37% of their portfolio | 727.8k $11.4m | New |
| Swiss National Bank 0.01% of their portfolio | 660.6k $10.4m | Added +3.1k |
| EMERALD ADVISERS, LLC 0.33% of their portfolio | 579.6k $9.1m | Added +252.9k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 574.3k $9.0m | New |
| CITIGROUP INC 0.01% of their portfolio | 568.4k $8.9m | Reduced -134.5k |
| HRT FINANCIAL LP 0.05% of their portfolio | 548.9k $8.6m | Added +437.8k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 515.3k $8.1m | Added +183.8k |
| CANTOR FITZGERALD, L. P. 0.18% of their portfolio | 469.0k $7.4m | New |
| California Public Employees Retirement System 0.00% of their portfolio | 440.8k $6.9m | Added +45.2k |
| MACQUARIE GROUP LTD 0.01% of their portfolio | 427.9k $6.7m | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 422.3k $6.6m | Added +96.9k |
| GROUPAMA ASSET MANAGMENT 0.01% of their portfolio | 400.0k $352.7k | Unchanged |
| LPL Financial LLC 0.00% of their portfolio | 396.0k $6.2m | Reduced -19.8k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 386.8k $6.1m | New |
| Verition Fund Management LLC 0.03% of their portfolio | 369.5k $5.8m | Added +325.5k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 365.6k $5.7m | Added +33.2k |
| EMERALD MUTUAL FUND ADVISERS TRUST 0.33% of their portfolio | 347.2k $5.4m | Added +165.7k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 333.3k $5.2m | Reduced -345.8k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 326.2k $5.1m | Added +38.7k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 318.7k $5.0m | Added +34.1k |
| ALGERT GLOBAL LLC 0.10% of their portfolio | 317.6k $5.0m | Added +38.2k |
| Twin Tree Management, LP 0.12% of their portfolio | 309.5k $4.9m | Reduced -201.1k |
| XTX Topco Ltd 0.20% of their portfolio | 307.2k $4.8m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 295.4k $4.6m | Reduced -20.6k |
| MATAURO, LLC 0.85% of their portfolio | 289.2k $4.5m | Added +10.2k |
| IMC-Chicago, LLC 0.11% of their portfolio | 283.1k $4.4m | Added +51.2k |
| Thrivent Financial for Lutherans 0.01% of their portfolio | 258.8k $4.1m | Added +9.5k |
| Generali Asset Management SPA SGR 0.09% of their portfolio | 250.0k $3.9m | Added +100.0k |
| Aptus Capital Advisors, LLC 0.04% of their portfolio | 237.4k $3.7m | Added +6.3k |
| Second Line Capital, LLC 0.86% of their portfolio | 237.2k $3.7m | Added +6.1k |
| Cubist Systematic Strategies, LLC 0.04% of their portfolio | 223.5k $3.5m | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% of their portfolio | 214.5k $3.4m | Reduced -7.7k |
| State of Alaska, Department of Revenue 0.04% of their portfolio | 209.7k $3.3m | Added +21.6k |
| MetLife Investment Management, LLC 0.02% of their portfolio | 206.9k $3.2m | Added +8.7k |
| Y-Intercept (Hong Kong) Ltd 0.08% of their portfolio | 197.6k $3.1m | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 189.7k $3.0m | Reduced -6.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 186.5k $2.9m | Reduced -181.9k |
| Louisiana State Employees Retirement System 0.05% of their portfolio | 164.4k $2.6m | Added +4.6k |
| Cetera Investment Advisers 0.00% of their portfolio | 156.4k $2.5m | Added +34.4k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 150.2k $2.4m | Unchanged |
| State of Tennessee, Department of Treasury 0.01% of their portfolio | 149.8k $2.3m | Added +5.5k |
| SBI Securities Co., Ltd. 0.07% of their portfolio | 144.9k $2.3m | Reduced -41.1k |
| Bayesian Capital Management, LP 0.35% of their portfolio | 141.3k $2.2m | Reduced -4.5k |
| INTECH INVESTMENT MANAGEMENT LLC 0.02% of their portfolio | 136.2k $2.1m | Reduced -24.6k |
| HighTower Advisors, LLC 0.00% of their portfolio | 135.6k $2.1m | Reduced -17.5k |
| BANCO BILBAO VIZCAYA ARGENTARIA, S.A. 0.02% of their portfolio | 134.4k $2.1m | Added +17.3k |
| Harvest Portfolios Group Inc. 0.05% of their portfolio | 133.8k $2.1m | Added +68.2k |
| YOUSIF CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 131.8k $2.1m | Added +6.2k |
| Sara-Bay Financial 0.69% of their portfolio | 122.5k $1.9m | Reduced -2.7k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 121.0k $1.9m | Added +31.1k |
| State of New Jersey Common Pension Fund D 0.01% of their portfolio | 120.4k $1.9m | Reduced -18.9k |
| COMERICA BANK 0.01% of their portfolio | 120.3k $1.9m | Reduced -348.5k |
| Vontobel Holding Ltd. 0.01% of their portfolio | 112.2k $1.8m | Reduced -52.5k |
| Meteora Capital, LLC 0.32% of their portfolio | 110.0k $1.7m | New |
| Creative Planning 0.00% of their portfolio | 106.4k $1.7m | Added +50.4k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 105.7k $1.7m | Unchanged |
| Maryland State Retirement & Pension System 0.04% of their portfolio | 103.4k $1.6m | Added +4.6k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 102.1k $1.6m | Added +61.0k |
| ARIZONA STATE RETIREMENT SYSTEM 0.01% of their portfolio | 100.9k $1.6m | Added +3.7k |