# MARA HOLDINGS INC NOTE 2.125% 9/0

MARA HOLDINGS INC NOTE 2.125% 9/0 is a security (CUSIP 565788AD8) tracked across SEC portfolio filings. 23 institutional managers reported $312.5M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $7.2M via N-PORT as of 2026-04-30.

## Summary

- Issuer: MARA HOLDINGS INC
- Class: NOTE 2.125% 9/0
- CUSIP: 565788AD8
- Asset category: DBT
- 13F holders: 23
- 13F value: $312.5M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $7.2M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 23 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Context Capital Management, LLC | LAJOLLA, CA | $46.8M | 41,867,000 |
| [WHITEBOX ADVISORS LLC](https://search.stillhousedata.com/firm/121995) | MINNEAPOLIS, MN | $42.3M | 49,950,000 |
| [Isabella Capital Management LLP](https://search.stillhousedata.com/firm/337760) | LONDON, X0 | $28.0M | 25,000,000 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/138907) | CHICAGO, IL | $26.5M | 32,820,000 |
| DLD Asset Management, LP | NEW YORK, NY | $25.6M | 30,000,000 |
| Linden Advisors LP | New York, NY | $24.7M | 29,100,000 |
| [CAPSTONE INVESTMENT ADVISORS, LLC](https://search.stillhousedata.com/firm/155563) | NEW YORK, NY | $22.4M | 26,327,000 |
| CSS LLC/IL | CHICAGO, IL | $14.0M | 16,500,000 |
| FMR LLC | BOSTON, MA | $13.8M | 16,245,000 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $12.6M | 15,000,000 |
| [Point72 Asset Management, L.P.](https://search.stillhousedata.com/firm/283077) | Stamford, CT | $11.9M | 14,207,000 |
| ADVENT CAPITAL MANAGEMENT /DE/ | NEW YORK, NY | $10.8M | 12,689,000 |
| CITIGROUP INC | NEW YORK, NY | $10.7M | 9,591,000 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $7.8M | 7,000,000 |
| [Sculptor Capital LP](https://search.stillhousedata.com/firm/107913) | New York, NY | $4.2M | 5,000,000 |

## 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 | $7.2M | 4.08% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/565788AD8.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.