# BLACKSTONE MORTGAGE TRUST IN NOTE  5.500% 3/1

BLACKSTONE MORTGAGE TRUST IN NOTE  5.500% 3/1 is a security (CUSIP 09257WAE0) tracked across SEC portfolio filings. 60 institutional managers reported $157.1M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $2.0M via N-PORT as of 2026-03-31.

## Summary

- Issuer: BLACKSTONE MORTGAGE TRUST IN
- Class: NOTE  5.500% 3/1
- CUSIP: 09257WAE0
- Asset category: DBT
- 13F holders: 60
- 13F value: $157.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $2.0M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 60 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $22.3M | 22,500,000 |
| [Parallax Volatility Advisers, L.P.](https://search.stillhousedata.com/firm/158143) | San Francisco, CA | $20.8M | 20,950,000 |
| [CORBYN INVESTMENT MANAGEMENT INC/MD](https://search.stillhousedata.com/firm/104716) | Lutherville, MD | $14.5M | 14,607,000 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $12.9M | 12,959,000 |
| [Kohlberg Kravis Roberts & Co. L.P.](https://search.stillhousedata.com/firm/144533) | NEW YORK, NY | $10.6M | 10,632,000 |
| [PIPER SANDLER & CO.](https://search.stillhousedata.com/firm/665) | MINNEAPOLIS, MN | $8.9M | 8,975,000 |
| Russell Investments Group, Ltd. | Seattle, WA | $6.7M | 6,581,000 |
| ADVENT CAPITAL MANAGEMENT /DE/ | NEW YORK, NY | $6.4M | 6,398,000 |
| [Graham Capital Management, L.P.](https://search.stillhousedata.com/firm/160925) | ROWAYTON, CT | $5.9M | 5,948,000 |
| [SSI INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/104889) | Los Angeles, CA | $5.5M | 5,604,000 |
| PALISADE CAPITAL MANAGEMENT, LP | FORT LEE, NJ | $5.3M | 5,370,000 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $4.7M | 4,730,000 |
| BlackRock, Inc. | New York, NY | $4.3M | 4,322,000 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | London, X0 | $4.1M | 4,100,000 |
| AVIVA PLC | LONDON, X0 | $3.9M | 3,900,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Western Asset Diversified Income Fund | Western Asset Diversified Income Fund | $2.0M | 27.13% |
| [THRIVENT CONSERVATIVE ALLOCATION PORTFOLIO](https://search.stillhousedata.com/fund/S000001434) | Thrivent Series Fund, Inc. | $26K | 0.46% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/09257WAE0.md)
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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.