# INTERDIGITAL INC NOTE  3.500% 6/0

INTERDIGITAL INC NOTE  3.500% 6/0 is a security (CUSIP 45867GAD3) tracked across SEC portfolio filings. 31 institutional managers reported $1.3B on Form 13F as of 2026-06-30; 4 registered fund positions totaling $41.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: INTERDIGITAL INC
- Class: NOTE  3.500% 6/0
- CUSIP: 45867GAD3
- Asset category: DBT
- 13F holders: 31
- 13F value: $1.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $41.5M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 31 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $242.6M | 61,775,000 |
| D. E. Shaw & Co., Inc. | New York, NY | $202.7M | 51,837,000 |
| [DeepCurrents Investment Group LLC](https://search.stillhousedata.com/firm/288159) | NEW YORK, NY | $163.4M | 41,800,000 |
| [CAPSTONE INVESTMENT ADVISORS, LLC](https://search.stillhousedata.com/firm/155563) | NEW YORK, NY | $134.8M | 34,532,000 |
| Alberta Investment Management Corp | EDMONTON, A0 | $109.6M | 30,000,000 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $105.5M | 27,027,000 |
| Aequim Alternative Investments LP | MILL VALLEY, CA | $87.1M | 22,300,000 |
| NOMURA HOLDINGS INC | TOKYO, M0 | $46.3M | 153,354 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $36.8M | 10,068,000 |
| STATE STREET CORP | BOSTON, MA | $34.1M | 8,704,000 |
| BlackRock, Inc. | New York, NY | $28.6M | 7,325,000 |
| FMR LLC | BOSTON, MA | $18.0M | 4,606,000 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $14.1M | 3,608,000 |
| LOOMIS SAYLES & CO L P | BOSTON, MA | $14.0M | 46,398 |
| [SSI INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/104889) | Los Angeles, CA | $6.7M | 1,709,000 |

## 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 | $38.4M | 21.76% |
| [Franklin Alternative Strategies Fund](https://search.stillhousedata.com/fund/S000042023) | Franklin Alternative Strategies Funds | $2.8M | 47.52% |
| [THRIVENT CONSERVATIVE ALLOCATION PORTFOLIO](https://search.stillhousedata.com/fund/S000001434) | Thrivent Series Fund, Inc. | $183K | 3.25% |
| [Loomis Sayles Senior Floating Rate and Fixed Income Fund](https://search.stillhousedata.com/fund/S000034097) | Natixis Funds Trust II | $95K | 2.13% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/45867GAD3.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.