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.
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 | MINNEAPOLIS, MN | $42.3M | 49,950,000 |
| Isabella Capital Management LLP | LONDON, X0 | $28.0M | 25,000,000 |
| WOLVERINE ASSET MANAGEMENT LLC | 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 | 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 | LONDON, X0 | $12.6M | 15,000,000 |
| Point72 Asset Management, L.P. | 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 | NAPERVILLE, IL | $7.8M | 7,000,000 |
| Sculptor Capital LP | New York, NY | $4.2M | 5,000,000 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Calamos Market Neutral Income Fund | CALAMOS INVESTMENT TRUST/IL | $7.2M | 4.08% |