# MARA HOLDINGS INC NOTE 3/0

MARA HOLDINGS INC NOTE 3/0 is a security (CUSIP 565788AF3) tracked across SEC portfolio filings. 38 institutional managers reported $604.1M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $11.0M via N-PORT as of 2026-04-30.

## Summary

- Issuer: MARA HOLDINGS INC
- Class: NOTE 3/0
- CUSIP: 565788AF3
- Asset category: DBT
- 13F holders: 38
- 13F value: $604.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $11.0M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 38 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Context Capital Management, LLC | LAJOLLA, CA | $110.2M | 109,800,000 |
| [Point72 Asset Management, L.P.](https://search.stillhousedata.com/firm/283077) | Stamford, CT | $97.3M | 109,705,000 |
| [WHITEBOX ADVISORS LLC](https://search.stillhousedata.com/firm/121995) | MINNEAPOLIS, MN | $61.6M | 69,850,000 |
| D. E. Shaw & Co., Inc. | New York, NY | $50.6M | 56,889,000 |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $38.3M | 43,202,000 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | NEW YORK, NY | $31.4M | 35,313,000 |
| STATE STREET CORP | BOSTON, MA | $19.5M | 22,114,000 |
| DLD Asset Management, LP | NEW YORK, NY | $17.8M | 20,000,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $15.9M | 17,925,000 |
| [CAPSTONE INVESTMENT ADVISORS, LLC](https://search.stillhousedata.com/firm/155563) | NEW YORK, NY | $15.5M | 17,500,000 |
| [Graham Capital Management, L.P.](https://search.stillhousedata.com/firm/160925) | ROWAYTON, CT | $15.1M | 17,000,000 |
| BlackRock, Inc. | New York, NY | $14.1M | 16,025,000 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $13.1M | 14,814,000 |
| CSS LLC/IL | CHICAGO, IL | $11.5M | 12,933,000 |
| K2 PRINCIPAL FUND, L.P. | TORONTO, A6 | $11.1M | 12,500 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Calamos Market Neutral Income Fund](https://search.stillhousedata.com/fund/S000004062) | CALAMOS INVESTMENT TRUST/IL | $6.6M | 3.77% |
| [Putnam Convertible Securities Fund](https://search.stillhousedata.com/fund/S000005511) | Putnam Convertible Securities Fund | $3.9M | 70.22% |
| [Putnam Diversified Income Trust](https://search.stillhousedata.com/fund/S000005529) | Putnam Diversified Income Trust | $281K | 3.06% |
| Fidelity Multi-Strategy Credit Fund | Fidelity Multi-Strategy Credit Fund | $141K | 24.96% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/565788AF3.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.