ARROWHEAD PHARMACEUTICALS IN NOTE 1/1 is a security (CUSIP 04280AAC4) tracked across SEC portfolio filings. 54 institutional managers reported $651.0M on Form 13F as of 2026-06-30; 15 registered fund positions totaling $44.7M via N-PORT as of 2026-05-31.
Showing 15 of 54 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $207.2M | 200,000,000 |
| Linden Advisors LP | New York, NY | $95.8M | 92,395,000 |
| CAMDEN ASSET MANAGEMENT L P /CA | Los Angeles, CA | $47.1M | 45,500,000 |
| LMR Partners LLP | LONDON, X0 | $36.2M | 35,000,000 |
| Calamos Advisors LLC | NAPERVILLE, IL | $26.8M | 22,199,000 |
| READYSTATE ASSET MANAGEMENT LP | Chicago, IL | $25.9M | 25,000,000 |
| MacKay Shields LLC | New York, NY | $24.5M | 20,457,000 |
| Context Capital Management, LLC | LAJOLLA, CA | $22.0M | 18,400,000 |
| Jump Financial, LLC | Chicago, IL | $19.3M | 18,702,000 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $14.5M | 13,979,000 |
| STATE STREET CORP | BOSTON, MA | $14.2M | 13,700,000 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $11.5M | 11,055,000 |
| LOOMIS SAYLES & CO L P | BOSTON, MA | $10.8M | 172,174 |
| Polar Asset Management Partners Inc. | TORONTO, A6 | $10.4M | 10,000,000 |
| SHENKMAN CAPITAL MANAGEMENT INC | NEW YORK, NY | $9.2M | 8,705,000 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Calamos Market Neutral Income Fund | CALAMOS INVESTMENT TRUST/IL | $15.7M | 8.88% |
| NYLI MacKay Convertible Fund | NEW YORK LIFE INVESTMENTS FUNDS | $11.0M | 61.18% |
| CALAMOS CONVERTIBLE & HIGH INCOME FUND | CALAMOS CONVERTIBLE & HIGH INCOME FUND | $3.4M | 33.42% |
| CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | $3.1M | 32.39% |
| Calamos Dynamic Convertible & Income Fund | Calamos Dynamic Convertible & Income Fund | $2.6M | 37.48% |
| Advent Convertible & Income Fund | ADVENT CONVERTIBLE & INCOME FUND | $2.4M | 40.82% |
| Ellsworth Growth & Income Fund Ltd | Ellsworth Growth & Income Fund Ltd | $1.7M | 100.16% |
| Bancroft Fund Ltd | Bancroft Fund Ltd | $1.7M | 123.95% |
| Putnam Convertible Securities Fund | Putnam Convertible Securities Fund | $1.1M | 18.77% |
| Gabelli Convertible & Income Securities Fund Inc | Gabelli Convertible & Income Securities Fund Inc | $913K | 109.40% |
| CALAMOS STRATEGIC TOTAL RETURN FUND | CALAMOS STRATEGIC TOTAL RETURN FUND | $613K | 1.76% |
| BNY Mellon Core Plus Fund | BNY Mellon Absolute Insight Funds, Inc. | $342K | 1.35% |
| Loomis Sayles Senior Floating Rate and Fixed Income Fund | Natixis Funds Trust II | $69K | 1.56% |
| Franklin Alternative Strategies Fund | Franklin Alternative Strategies Funds | $39K | 0.66% |
| Calamos Growth & Income Portfolio | CALAMOS ADVISORS TRUST/IL | $29K | 9.21% |