# IONIS PHARMACEUTICALS INC NOTE  1.750% 6/1

IONIS PHARMACEUTICALS INC NOTE  1.750% 6/1 is a security (CUSIP 462222AF7) tracked across SEC portfolio filings. 57 institutional managers reported $743.8M on Form 13F as of 2026-06-30; 8 registered fund positions totaling $35.3M via N-PORT as of 2026-04-30.

## Summary

- Issuer: IONIS PHARMACEUTICALS INC
- Class: NOTE  1.750% 6/1
- CUSIP: 462222AF7
- Asset category: DBT
- 13F holders: 57
- 13F value: $743.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 8
- N-PORT value: $35.3M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 57 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Voya Investment Management LLC](https://search.stillhousedata.com/firm/108934) | Atlanta, GA | $128.6M | 85,250,000 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $90.6M | 60,000,000 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $87.6M | 58,000,000 |
| DLD Asset Management, LP | NEW YORK, NY | $83.1M | 55,000,000 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $56.2M | 37,300,000 |
| [Balyasny Asset Management L.P.](https://search.stillhousedata.com/firm/138111) | Chicago, IL | $52.9M | 35,000,000 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://search.stillhousedata.com/firm/153277) | NEW YORK, NY | $32.9M | 21,710,000 |
| BlackRock, Inc. | New York, NY | $28.9M | 19,190,000 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $21.0M | 13,863,000 |
| STATE STREET CORP | BOSTON, MA | $18.1M | 11,900,000 |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $15.1M | 10,000,000 |
| M&G PLC | London, X0 | $11.1M | 7,331,000 |
| FMR LLC | BOSTON, MA | $10.5M | 6,989,000 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $10.1M | 6,662,000 |
| [Focus Partners Wealth](https://search.stillhousedata.com/firm/159289) | ST LOUIS, MO | $8.0M | 5,279,000 |

## 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 | $18.4M | 10.45% |
| [NYLI MacKay Convertible Fund](https://search.stillhousedata.com/fund/S000006899) | NEW YORK LIFE INVESTMENTS FUNDS | $7.9M | 44.02% |
| Virtus Convertible & Income Fund | Virtus Convertible & Income Fund | $1.9M | 45.66% |
| Virtus Equity & Convertible Income Fund | Virtus Equity & Convertible Income Fund | $1.6M | 19.21% |
| Virtus Dividend, Interest & Premium Strategy Fund | Virtus Dividend, Interest & Premium Strategy Fund | $1.5M | 10.77% |
| Virtus Convertible & Income Fund II | Virtus Convertible & Income Fund II | $1.5M | 47.25% |
| Advent Convertible & Income Fund | ADVENT CONVERTIBLE & INCOME FUND | $1.2M | 20.64% |
| Virtus Diversified Income & Convertible Fund | Virtus Diversified Income & Convertible Fund | $1.1M | 40.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/462222AF7.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.