Marathon Digital Holdings, Inc. bonds MARA
Who owns Marathon Digital Holdings, Inc.'s debt and what their own filings say it is worth. Bond prices and yields are fund-reported marks (SEC Form N-PORT) as of Jul 2026; they lag the market by about two months. MARA stock page.
Every bond funds hold
Each bond's latest fund-reported mark. Price per 100 of face value; yield to maturity from price, coupon and maturity; spread over the matched-maturity Treasury for US-dollar bonds.
| Bond | Coupon | Maturity | Ccy | Price | Yield | Spread | Funds | Held | As of |
|---|---|---|---|---|---|---|---|---|---|
| 565788AB2 convertible | 1% fixed | 2026-12-01 | USD | 97.71 | — | — | 2 | $414K | Jul 2026 |
| 565788AF3 convertible | 0% none | 2030-03-01 | USD | 96.07 | — | — | 2 | $19.5M | Jul 2026 |
| 565788AH9 convertible | 0% none | 2031-06-01 | USD | 94.33 | — | — | 2 | $9.2M | Jul 2026 |
| 565788AD8 convertible | 2.125% fixed | 2031-09-01 | USD | 101.75 | — | — | 4 | $13.9M | Jul 2026 |
| 565788AJ5 convertible | 0% none | 2032-08-01 | USD | 89.31 | — | — | 3 | $38.8M | Jul 2026 |
Spread history
Median spread of the US-dollar bonds over Treasuries, month-ends with complete filings. Fund-reported.
Not enough US-dollar bonds with a yield.
Price history
Median fund-marked price across the bonds, per 100 of face value.
By month
Funds file on staggered quarter-ends, so each month-end is marked by the funds that reported for it; the amount held moves with which funds filed, not only with buying and selling.
| Month-end | Bonds | Held | Median price | USD yield | USD spread | Most funds on one bond |
|---|---|---|---|---|---|---|
| Jul 2026 | 5 | $81.9M | 96.08 | — | — | 4 |
| Jun 2026 | 3 | $31.3M | 98.93 | — | — | 5 |
| May 2026 | 4 | $49.4M | 101.26 | — | — | 3 |
| Apr 2026 | 4 | $94.6M | 95.00 | — | — | 4 |
| Mar 2026 | 4 | $43.3M | 86.78 | — | — | 7 |
| Feb 2026 | 3 | $38.1M | 80.90 | — | — | 4 |
| Jan 2026 | 4 | $84.3M | 85.59 | — | — | 5 |
| Dec 2025 | 4 | $46.0M | 79.91 | — | — | 8 |
| Nov 2025 | 3 | $43.8M | 86.99 | — | — | 5 |
| Oct 2025 | 4 | $113.5M | 106.09 | — | — | 8 |
| Sep 2025 | 4 | $85.6M | 104.05 | — | — | 11 |
| Aug 2025 | 4 | $46.2M | 92.64 | — | — | 5 |
| Jul 2025 | 4 | $73.1M | 93.23 | — | — | 6 |
Who holds the debt
Fund series in their latest quarterly N-PORT report, largest first, with the change in face value against each fund's own previous report. Names as reported in the filings. 3 added, 6 cut, 5 new holders and 10 exits in the latest quarter.
| Fund series | Report | Face value | Value | Change in face value |
|---|---|---|---|---|
| iShares Convertible Bond ETF iShares Trust | 2026-07-31 | $47.4M | $44.2M | -$8.6M |
| Calamos Market Neutral Income Fund CALAMOS INVESTMENT TRUST/IL | 2026-07-31 | $34.0M | $31.8M | $0 |
| State Street(R) SPDR(R) Bloomberg Convertible Securities ETF SPDR SERIES TRUST | 2026-06-30 | $29.5M | $29.2M | -$8.9M |
| Columbia Convertible Securities Fund COLUMBIA FUNDS SERIES TRUST | 2026-05-31 | $21.0M | $21.0M | $10.1M |
| Fidelity Convertible Securities Fund Fidelity Financial Trust | 2026-05-31 | $20.0M | $20.3M | $1.7M |
| Fidelity Strategic Dividend and Income Fund Fidelity Salem Street Trust | 2026-05-31 | $7.6M | $7.7M | -$135K |
| Global Opportunities Portfolio | 2026-07-31 | $3.1M | $2.9M | $0 |
| WESTWOOD INCOME OPPORTUNITY FUND Ultimus Managers Trust | 2026-07-31 | $1.9M | $1.7M | $0 |
| Franklin BSP Private Credit Fund | 2026-06-30 | $1.2M | $1.2M | -$250K |
| First Trust SSI Strategic Convertible Securities ETF First Trust Exchange-Traded Fund IV | 2026-07-31 | $565K | $580K | -$441K |
| Advent Convertible Bond ETF RBB Fund Trust | 2026-05-31 | $329K | $372K | new |
| 1290 VT Convertible Securities Portfolio EQ Advisors Trust | 2026-06-30 | $312K | $310K | -$180K |
| Multi-Asset Strategy Fund RUSSELL INVESTMENT CO | 2026-07-31 | $264K | $258K | new |
| Fidelity Multi-Strategy Credit Fund | 2026-06-30 | $246K | $246K | $65K |
| Harbor Ares Systematic Convertible Securities Fund HARBOR FUNDS | 2026-07-31 | $200K | $205K | new |
| Eaton Vance Income Opportunities ETF Morgan Stanley ETF Trust | 2026-06-30 | $195K | $190K | new |
| Multi-Strategy Income Fund RUSSELL INVESTMENT CO | 2026-07-31 | $160K | $156K | new |
| TETON Westwood Balanced Fund Teton Westwood Funds | 2026-06-30 | $110K | $110K | $0 |
| Columbia Flexible Capital Income Fund Columbia Funds Series Trust II | 2026-05-31 | $0 | $0 | -$8.5M |
| TRI-CONTINENTAL Corp | 2026-06-30 | $0 | $0 | -$7.0M |
| Putnam Convertible Securities Fund | 2026-07-31 | $0 | $0 | -$4.2M |
| Empower High Yield Bond Fund EMPOWER FUNDS, INC. | 2026-06-30 | $0 | $0 | -$1.5M |
| Catalyst/SMH High Income Fund MUTUAL FUND SERIES TRUST | 2026-06-30 | $0 | $0 | -$500K |
| FS Multi-Strategy Alternatives Fund ADVISORS' INNER CIRCLE III | 2026-06-30 | $0 | $0 | -$458K |
| Putnam Diversified Income Trust | 2026-06-30 | $0 | $0 | -$317K |
Largest exits in the latest quarter (fund held the bonds in its previous report, none now): Columbia Flexible Capital Income Fund ($8.5M), TRI-CONTINENTAL Corp ($7.0M), Putnam Convertible Securities Fund ($4.2M), Empower High Yield Bond Fund ($1.5M), Catalyst/SMH High Income Fund ($500K), FS Multi-Strategy Alternatives Fund ($458K), Putnam Diversified Income Trust ($317K), Franklin Alternative Strategies Fund ($42K), Opportunistic Fixed Income Trust ($10K), Opportunistic Fixed Income Fund ($9K).
ETFs holding these bonds
From each ETF's own latest N-PORT report: the issuer's bonds as a share of the ETF's net assets. A holdings list, not a recommendation.
| ETF | Report | Bonds | Face value | Value | % of net assets |
|---|---|---|---|---|---|
| ICVT iShares Convertible Bond ETF | 2026-07-31 | 4 | $47.4M | $44.2M | 0.62% |
| CWB State Street(R) SPDR(R) Bloomberg Convertible Securities ETF | 2026-06-30 | 3 | $29.5M | $29.2M | 0.47% |
| FCVT First Trust SSI Strategic Convertible Securities ETF | 2026-07-31 | 1 | $565K | $580K | 0.57% |
| ACVT Advent Convertible Bond ETF | 2026-05-31 | 1 | $329K | $372K | 1.15% |
| XAGG Eaton Vance Income Opportunities ETF | 2026-06-30 | 1 | $195K | $190K | 0.02% |
Default risk, three ways
Stock market: distance-to-default
Not computed: financial company (banks, insurers, BDCs and REITs carry leverage as their business, which the model misreads).
Bond market: priced-in odds
No US-dollar bond with a yield to compute it from.
Accounts: Altman Z
Not available.
The stock side: 13F filings
What institutions report holding in MARA's stock and options. Options are reported at the value of the underlying shares, not the premium paid; 13F lists long positions only, lags 45 days after quarter-end, and does not show whether puts hedge a stock position.
| Quarter-end | Stock holders | Stock value | Put managers | Puts (underlying value) | Call managers | Calls (underlying value) | Convertible holders |
|---|---|---|---|---|---|---|---|
| 2026-09-30 filings still arriving | 38 | $8.7M | 0 | — | 1 | $159K | 1 |
| 2026-06-30 | 401 | $3.91B | 45 | $845.1M | 43 | $877.2M | 47 |
| 2026-03-31 | 372 | $1.59B | 44 | $572.9M | 40 | $595.7M | 51 |
| 2025-12-31 | 392 | $2.21B | 52 | $831.3M | 45 | $652.2M | 66 |
| 2025-09-30 | 384 | $5.00B | 50 | $1.74B | 53 | $1.53B | 28 |
| 2025-06-30 | 349 | $3.43B | 45 | $1.12B | 37 | $830.1M | 9 |
Sources: fund holdings and fund-reported marks from SEC Form N-PORT (published about 60 days after each month-end); 13F filings; House and Senate periodic transaction reports and OGE Form 278-T; Treasury yields from FRED. Findings from filings, not advice. How each number is computed.