마라 홀딩스 주식회사
MX ˙ BMV ˙ US5657881067
SecurityMX:MARA / MARA Holdings, Inc.
InstitutionMorgan Stanley
Latest Disclosed Ownership5,219,396 shares
Latest Disclosed Value $ 42,590,283
Morgan Stanley reports 17.65% decrease in ownership of MARA / MARA Holdings, Inc.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 5,219,396 shares of MARA Holdings, Inc. (MX:MARA) valued at $42,590,283 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 6,338,225 shares of MARA Holdings, Inc.. This represents a change in shares of -17.65% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F MARA HOLDINGS COM 565788106 5,219,396 -1,118,829 -17.65 42,590 -25.17 0.0026
2026-05-27 2025-12-31 13F/A-1 MARA HOLDINGS COM 565788106 6,338,225 459,973 7.82 56,917 -46.97 0.0034
2026-02-13 2025-12-31 13F MARA HOLDINGS COM 565788106 6,338,225 459,973 56,917 0.0034
2026-05-27 2025-09-30 13F/A-1 MARA HOLDINGS COM 565788106 5,878,252 1,486,700 33.85 107,337 55.88 0.0065
2025-11-14 2025-09-30 13F MARA HOLDINGS COM 565788106 5,878,252 1,486,700 107,337 0.0065
2025-08-15 2025-06-30 13F MARA HOLDINGS COM 565788106 4,391,552 -2,796,678 -38.91 68,860 -16.70 0.0045
2025-05-15 2025-03-31 13F MARA HOLDINGS COM 565788106 7,188,230 -374,227 -4.95 82,665 -34.82 0.0059
2025-05-15 2024-12-31 13F/A-1 MARA HOLDINGS COM 565788106 7,562,457 1,741,346 29.91 126,822 34.32 0.0089
2025-02-14 2024-12-31 13F MARA HOLDINGS COM 565788106 7,562,457 1,741,346 126,822 0.0089
2025-05-14 2024-09-30 13F/A-2 MARA HOLDINGS COM 565788106 5,821,111 230,807 4.13 94,418 -14.91 0.0068
2025-02-14 2024-09-30 13F/A-1 MARA HOLDINGS COM 565788106 5,821,111 230,807 94,418 0.0068
2024-11-14 2024-09-30 13F MARA HOLDINGS COM 565788106 5,821,111 230,807 94,418 0.0068
2025-05-14 2024-06-30 13F/A-2 MARATHON DIGITAL HOLDINGS IN COM 565788106 5,590,304 3,305,720 144.70 110,968 115.11 0.0086
2024-10-17 2024-06-30 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 5,590,304 3,305,720 110,968 0.0086
2024-08-14 2024-06-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 5,590,304 3,305,720 110,968 0.0086
2024-10-17 2024-03-31 13F/A-2 MARATHON DIGITAL HOLDINGS IN COM 565788106 2,284,584 -3,986,555 -63.57 51,586 -64.98 0.0041
2024-08-16 2024-03-31 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 2,284,584 -3,986,555 51,586 0.0041
2024-05-15 2024-03-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 2,284,584 -3,986,555 51,586 0.0041
2024-08-16 2023-12-31 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 6,271,139 -728,441 -10.41 147,309 147.59 0.0130
2024-02-13 2023-12-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 6,271,139 -728,441 147,309 0.0130
2023-11-15 2023-09-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 6,999,580 4,731,807 208.65 59,496 89.29 0.0061
2023-08-14 2023-06-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 2,267,773 1,169,644 106.51 31,431 228.26 0.0031
2023-05-15 2023-03-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 1,098,129 -2,083,205 -65.48 9,576 -11.99 0.0010
2023-02-14 2022-12-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 3,181,334 954,370 42.86 10,880 -54.38 0.0012
2022-11-14 2022-09-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 2,226,964 -676,876 -23.31 23,850 53.82 0.0033
2022-10-27 2022-06-30 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 2,903,840 1,788,107 160.26 15,505 -50.28 0.0020
2022-08-15 2022-06-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 2,903,840 1,788,107 15,505 0.0020
2022-10-27 2022-03-31 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 1,115,733 -42,888 -3.70 31,184 -18.09 0.0042
2022-05-13 2022-03-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 1,115,733 -42,888 31,184 0.0042
2022-02-14 2021-12-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 1,158,621 223,702 23.93 38,072 28.95 0.0047
2021-11-15 2021-09-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 934,919 282,177 43.23 29,525 44.19 0.0040
2021-08-23 2021-06-30 13F/A-1 MARATHON DIGITAL HOLDINGS IN COM 565788106 652,742 -331,913 -33.71 20,476 -56.69 0.0027
2021-08-16 2021-06-30 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 652,742 -331,913 20,476 0.0027
2021-05-17 2021-03-31 13F MARATHON DIGITAL HOLDINGS IN COM 565788106 984,655 864,709 720.92 47,283 3,676.60 0.0069
2021-02-16 2020-12-31 13F MARATHON PATENT GROUP COM 56585W401 119,946 -6,783 -5.35 1,252 404.84 0.0002
2020-11-13 2020-09-30 13F MARATHON PATENT GROUP COM 56585W401 126,729 126,691 333,397.37 248 -80.19 0.0000
2020-08-14 2020-06-30 13F MARATHON PATENT GROUP COM 56585W401 38 -5 -11.63 0 -100.00 0.0000
2020-05-26 2020-03-31 13F/A-1 MARATHON PATENT GROUP COM 56585W401 43 -18 -29.51 0 0.0000
2020-05-15 2020-03-31 13F MARATHON PATENT GROUP COM 56585W401 43 -18 0 0.0000
2020-02-14 2019-12-31 13F MARATHON PATENT GROUP COM 56585W401 61 16 35.56 0 0.0000
2019-11-14 2019-09-30 13F MARATHON PATENT GROUP COM 56585W401 45 7 18.42 0 0.0000
2019-08-14 2019-06-30 13F MARATHON PATENT GROUP COM 56585W401 38 -188 -83.19 0 0.0000
2019-05-15 2019-03-31 13F MARATHON PATENT GROUP COM PAR 56585W302 226 -9,981 -97.79 0 -100.00
2019-02-14 2018-12-31 13F MARATHON PATENT GROUP COM PAR 56585W302 10,207 32 0.31 4 -42.86 0.0000
2019-04-23 2018-09-30 13F/A-2 MARATHON PATENT GROUP COM PAR 56585W302 10,175 -78 -0.76 7 -22.22 0.0000
2018-11-20 2018-09-30 13F/A-1 MARATHON PATENT GROUP COM PAR 56585W302 10,175 0 7 0.0000
2018-11-14 2018-09-30 13F MARATHON PATENT GROUP COM PAR 56585W302 10,175 -78 7
2019-04-23 2018-06-30 13F/A-1 MARATHON PATENT GROUP COM PAR 56585W302 10,253 -418 -3.92 9 -25.00 0.0000
2018-08-14 2018-06-30 13F MARATHON PATENT GROUP COM PAR 56585W302 10,253 -418 9
2019-04-23 2018-03-31 13F/A-1 MARATHON PATENT GROUP COM PAR 56585W302 10,671 1,105 11.55 12 -69.23 0.0000
2018-05-14 2018-03-31 13F MARATHON PATENT GROUP COM PAR 56585W302 10,671 1,105 12
2019-04-23 2017-12-31 13F/A-1 MARATHON PATENT GROUP COM PAR 56585W302 9,566 9,566 39 0.0000
2018-02-14 2017-12-31 13F MARATHON PATENT GROUP COM PAR 56585W302 9,566 7,166 39
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.