Blackstone Mortgage Trust Inc
Ownership
Ownership Structure
Who owns Blackstone Mortgage Trust Inc (BXMT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.5% of the shares are freely tradable; institutional investors hold 67.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.82 | 24,981,252 | +2.2 | 06/30/2026 |
| Blackstone Inc | 5.51 | 9,283,323 | +0.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.28 | 8,895,012 | +1.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.25 | 7,158,499 | -0.8 | 06/30/2026 |
| State Street Corp | 3.81 | 6,416,582 | +4.4 | 06/30/2026 |
| UBS Group AG | 2.70 | 4,555,253 | +99.1 | 06/30/2026 |
| Geode Capital Management, LLC | 2.44 | 4,107,919 | +5.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.53 | 9,317,804 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.05 | 5,136,897 | +0.6 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.50 | 4,217,884 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Nassau Henry N | Director | 223,490 | 2,525,437 $ | Oct 15, 2026 | direct |
| Sagalyn Lynne B | Director | 173,067 | 1,955,657 $ | Oct 15, 2026 | direct |
| Cotton Leonard W | Director | 101,992 | 1,152,510 $ | Oct 15, 2026 | direct |
| Pena Fernando Austin | President | 70,047 | 791,531 $ | Sep 30, 2026 | direct |
| Lynch Nnenna | Director | 44,824 | 506,511 $ | Oct 15, 2026 | direct |
| Urbaszek Marcin | Chief Financial Officer | 23,960 | 270,748 $ | Sep 17, 2026 | direct |
| Hsu Chen Yi | Director | 11,326 | 127,984 $ | Oct 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Cotton Leonard W | Director | Other | 2,989 | 10.78 | 32,221 |
| Oct 15, 2026 | Nassau Henry N | Director | Other | 4,967 | 10.78 | 53,544 |
| Oct 15, 2026 | Hsu Chen Yi | Director | Other | 295 | 10.78 | 3,180 |
| Oct 15, 2026 | Sagalyn Lynne B | Director | Other | 6,428 | 10.78 | 69,294 |
| Oct 15, 2026 | Lynch Nnenna | Director | Other | 1,872 | 10.78 | 20,180 |
| Sep 30, 2026 | Pena Fernando Austin | President | Sell | 1,725 | 11.65 | 20,091 |
| Sep 17, 2026 | Urbaszek Marcin | Chief Financial Officer | Sell | 864 | 13.42 | 11,597 |
| Sep 17, 2026 | Pena Fernando Austin | President | Sell | 1,127 | 13.42 | 15,129 |
| Aug 4, 2026 | Nassau Henry N | Director | Buy | 10,000 | 14.34 | 143,357 |
| Jul 15, 2026 | Lynch Nnenna | Director | Other | 1,147 | 17.12 | 19,637 |
| Jul 15, 2026 | Sagalyn Lynne B | Director | Other | 3,939 | 17.12 | 67,436 |
| Jul 15, 2026 | Nassau Henry N | Director | Other | 3,044 | 17.12 | 52,113 |
| Jul 15, 2026 | Hsu Chen Yi | Director | Other | 181 | 17.12 | 3,099 |
| Jul 15, 2026 | Cotton Leonard W | Director | Other | 1,831 | 17.12 | 31,347 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.