AMPHASTAR PHARMACEUTICALS IN NOTE 2.000% 3/1 is a security (CUSIP 03209RAB9) tracked across SEC portfolio filings. 38 institutional managers reported $328.3M on Form 13F as of 2026-06-30; 3 registered fund positions totaling $15.6M via N-PORT as of 2026-04-30.
Showing 15 of 38 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Context Capital Management, LLC | LAJOLLA, CA | $85.2M | 93,631,000 |
| Linden Advisors LP | New York, NY | $84.6M | 93,574,000 |
| CAMDEN ASSET MANAGEMENT L P /CA | Los Angeles, CA | $37.8M | 41,827,000 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $34.5M | 38,036,000 |
| Wellesley Asset Management | WELLESLEY, MA | $23.6M | 26,026,000 |
| Empyrean Capital Partners, LP | LOS ANGELES, CA | $18.2M | 20,265,000 |
| MORGAN STANLEY | NEW YORK, NY | $6.0M | 6,600,000 |
| Russell Investments Group, Ltd. | Seattle, WA | $5.5M | 6,007,000 |
| BlackRock, Inc. | New York, NY | $5.0M | 5,525,000 |
| Chicago Capital Management, LLC | CHICAGO, IL | $5.0M | 5,440 |
| SILVERBACK ASSET MANAGEMENT LLC | CHAPEL HILL, NC | $4.6M | 5,080,000 |
| Calamos Advisors LLC | NAPERVILLE, IL | $4.5M | 5,000,000 |
| ADVENT CAPITAL MANAGEMENT /DE/ | NEW YORK, NY | $3.7M | 4,055,000 |
| FMR LLC | BOSTON, MA | $3.4M | 3,803,000 |
| Pinnacle Holdings, LLC | TULSA, OK | $1.9M | 2,055,000 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Calamos Market Neutral Income Fund | CALAMOS INVESTMENT TRUST/IL | $9.1M | 5.18% |
| Miller Convertible Bond Fund | Miller Investment Trust | $3.8M | 101.91% |
| Global Opportunities Portfolio | Global Opportunities Portfolio | $2.7M | 1.98% |