COGENT BIOSCIENCES INC 1.625 11/15/2031 SDBCV is a security (CUSIP 19240QAA0) tracked across SEC portfolio filings. 25 institutional managers reported $257.5M on Form 13F as of 2026-06-30; 13 registered fund positions totaling $23.7M via N-PORT as of 2026-05-29.
Showing 15 of 25 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Linden Advisors LP | New York, NY | $106.2M | 86,765,000 |
| WOLVERINE ASSET MANAGEMENT LLC | CHICAGO, IL | $36.3M | 29,500,000 |
| Jump Financial, LLC | Chicago, IL | $31.9M | 26,000,000 |
| Calamos Advisors LLC | NAPERVILLE, IL | $21.5M | 17,414,000 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $12.5M | 10,221,000 |
| Affinity Asset Advisors, LLC | New York, NY | $8.6M | 7,000,000 |
| ADVENT CAPITAL MANAGEMENT /DE/ | NEW YORK, NY | $5.5M | 4,470,000 |
| SSI INVESTMENT MANAGEMENT LLC | Los Angeles, CA | $5.5M | 4,453,000 |
| Polar Capital Holdings Plc | London, X0 | $4.6M | 3,700,000 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $4.5M | 3,655,000 |
| Wellesley Asset Management | WELLESLEY, MA | $3.3M | 4,625,000 |
| Jefferies Financial Group Inc. | NEW YORK, NY | $3.0M | 2,411,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $2.4M | 2,000,000 |
| GABELLI FUNDS LLC | RYE, NY | $2.3M | 1,900,000 |
| Ares Systematic Credit Ltd | LONDON, X0 | $2.1M | 1,800,000 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| CALAMOS STRATEGIC TOTAL RETURN FUND | CALAMOS STRATEGIC TOTAL RETURN FUND | $10.8M | 30.92% |
| CALAMOS CONVERTIBLE & HIGH INCOME FUND | CALAMOS CONVERTIBLE & HIGH INCOME FUND | $2.2M | 21.59% |
| CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | $2.1M | 21.68% |
| Calamos Dynamic Convertible & Income Fund | Calamos Dynamic Convertible & Income Fund | $1.8M | 25.84% |
| Bancroft Fund Ltd | Bancroft Fund Ltd | $1.7M | 124.38% |
| Ellsworth Growth & Income Fund Ltd | Ellsworth Growth & Income Fund Ltd | $1.7M | 100.51% |
| Gabelli Convertible & Income Securities Fund Inc | Gabelli Convertible & Income Securities Fund Inc | $1.2M | 147.02% |
| Calamos Global Dynamic Income Fund | Calamos Global Dynamic Income Fund | $982K | 16.30% |
| Advent Convertible & Income Fund | ADVENT CONVERTIBLE & INCOME FUND | $899K | 15.12% |
| CALAMOS GLOBAL TOTAL RETURN FUND | CALAMOS GLOBAL TOTAL RETURN FUND | $230K | 16.25% |
| Calamos Growth & Income Portfolio | CALAMOS ADVISORS TRUST/IL | $32K | 10.07% |
| Franklin Alternative Strategies Fund | Franklin Alternative Strategies Funds | $25K | 0.42% |
| Fidelity Multi-Strategy Credit Fund | Fidelity Multi-Strategy Credit Fund | $12K | 2.16% |