# BLACKSTONE MORTGAGE TRUST INC (BXMT) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 09257WAE0
Page URL: https://superinvestorclub.com/stock/BXMT
Last updated: 2026-07-08T12:40:43.011Z

## Summary

As of the most recent 13F filing period, BLACKSTONE MORTGAGE TRUST INC (BXMT) is held by 1 tracked superinvestors with an aggregate position value of $12.9M representing 012959000 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Howard Marks](https://superinvestorclub.com/manager/87) | Oaktree Capital Management | 12959000 | $12.9M | 0.20% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $4.2M aggregate, 04376000 shares
- 2024-12-31: 1 holders, $4.9M aggregate, 05025000 shares
- 2025-03-31: 1 holders, $6.8M aggregate, 07022000 shares
- 2025-06-30: 1 holders, $7.0M aggregate, 07151000 shares
- 2025-09-30: 1 holders, $6.8M aggregate, 06939000 shares
- 2025-12-31: 1 holders, $11.9M aggregate, 011999000 shares
- 2026-03-31: 1 holders, $12.9M aggregate, 012959000 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "BLACKSTONE MORTGAGE TRUST INC (BXMT) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/BXMT), aggregating SEC 13F, Form 4, and congressional disclosures."