Blackstone Mortgage Trust, Inc. (BXMT) Ownership
BXMT ownership summary
as of October 18, 2026- Institutions
- 70.1% of shares outstanding
- Insiders
- 1.31% of shares outstanding
- Shares outstanding
- 168.5M
- Float
- 159.3M shares available to trade
- Short interest
- 9.54% 11.8M shares short
- Days to cover
- 4.68 short interest up 9.6% vs prior month
- Institutions 70.13%
- Insiders 1.31%
- Other investors 28.56%
BXMT top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.82% | 25.0M | $263.1M | +532,438 (+2.2%) | June 30, 2026 |
| 2 | Blackstone Inc | 5.51% | 9.3M | $97.8M | — | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 5.28% | 8.9M | $93.7M | +105,962 (+1.2%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.25% | 7.2M | $75.4M | −54,179 (−0.8%) | June 30, 2026 |
| 5 | State Street Corp | 3.81% | 6.4M | $67.6M | +269,971 (+4.4%) | June 30, 2026 |
| 6 | UBS Group AG | 2.70% | 4.6M | $48.0M | +2.3M (+99.1%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.44% | 4.1M | $43.3M | +224,227 (+5.8%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 1.68% | 2.8M | $29.8M | +587,620 (+26.3%) | June 30, 2026 |
| 9 | Charles Schwab Investment Management Inc | 1.39% | 2.3M | $24.6M | −133,735 (−5.4%) | June 30, 2026 |
| 10 | Northern Trust Corp | 1.15% | 1.9M | $20.4M | +106,732 (+5.8%) | June 30, 2026 |
| 11 | Qube Research & Technologies | 1.14% | 1.9M | $20.2M | +348,450 (+22.2%) | June 30, 2026 |
| 12 | Amvescap Plc. | 0.93% | 1.6M | $16.5M | +248,450 (+18.8%) | June 30, 2026 |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.93% | 1.6M | $16.5M | +50,267 (+3.3%) | June 30, 2026 |
| 14 | Advisors Capital Management, LLC | 0.78% | 1.3M | $13.8M | +107,491 (+8.9%) | June 30, 2026 |
| 15 | Wells Fargo & Co | 0.67% | 1.1M | $11.9M | +83,414 (+8.0%) | June 30, 2026 |
| 16 | Bank of New York Mellon Corp | 0.63% | 1.1M | $11.2M | +38,271 (+3.7%) | June 30, 2026 |
| 17 | Vanguard Fiduciary Trust Co | 0.62% | 1.0M | $11.0M | +14,757 (+1.4%) | June 30, 2026 |
| 18 | The Goldman Sachs Group Inc | 0.58% | 984K | $10.4M | −453,335 (−31.6%) | June 30, 2026 |
| 19 | Bank of America Corp | 0.58% | 977K | $10.3M | −320,314 (−24.7%) | June 30, 2026 |
| 20 | Van Eck Associates Corporation | 0.56% | 936K | $9.9M | −22,602 (−2.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 5.0M shares and 5 cut 984K.
BXMT top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.53% | 9.3M | $98.1M | +2,322 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.03% | 5.1M | $53.8M | −12,802 (−0.3%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.50% | 4.2M | $44.4M | −48,640 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.14% | 3.6M | $38.0M | −78,858 (−2.1%) | September 30, 2026 |
| 5 | Vanguard MStar Small Cap Value Index | 1.11% | 1.9M | $19.6M | +4,382 (+0.2%) | September 30, 2026 |
| 6 | Fidelity Small Cap Index | 1.05% | 1.8M | $18.7M | +18,116 (+1.0%) | July 31, 2026 |
| 7 | iShares Mortgage Real Estate Capped ETF | 1.00% | 1.7M | $17.7M | −6,722 (−0.4%) | September 30, 2026 |
| 8 | iShares Russell 2000 Value ETF | 0.90% | 1.5M | $16.1M | +2,312 (+0.2%) | September 30, 2026 |
| 9 | State Street SPDR Port S&P 600 Sm CpETF | 0.84% | 1.4M | $14.9M | — | September 30, 2026 |
| 10 | iShares S&P Small-Cap 600 Value ETF | 0.79% | 1.3M | $13.9M | — | September 30, 2026 |
| 11 | VanEck Mortgage REIT Income ETF | 0.72% | 1.2M | $12.7M | +32,907 (+2.8%) | September 30, 2026 |
| 12 | Algebris Financial Income BD EUR Inc | 0.67% | 1.1M | $11.9M | +1.1M (+49,531.5%) | August 31, 2026 |
| 13 | Vanguard Tax-Managed Small Cap Adm | 0.66% | 1.1M | $11.7M | — | September 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.56% | 940K | $9.9M | +10,527 (+1.1%) | September 30, 2026 |
| 15 | Fidelity Extended Market Index | 0.50% | 842K | $8.9M | +245,988 (+41.3%) | August 31, 2026 |
| 16 | Schwab US Small-Cap ETF™ | 0.49% | 824K | $8.7M | +549 (+0.1%) | September 30, 2026 |
| 17 | State Street® SPDR® S&P 600™ Sm CpValETF | 0.49% | 822K | $8.7M | — | September 30, 2026 |
| 18 | Algebris Financial Equity B EUR Acc | 0.42% | 714K | $7.5M | +712,746 (+54,160.0%) | August 31, 2026 |
| 19 | Schwab Fundamental U.S. Small CompanyETF | 0.41% | 688K | $7.2M | +973 (+0.1%) | September 30, 2026 |
| 20 | Global X SuperDividend™ ETF | 0.37% | 628K | $6.6M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
BXMT insider transactions
latest 15| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-31 | Fernando Austin Pena | Sell | $18.88 | 1,666 | $31,454 |
| 2026-03-17 | Marcin Urbaszek | Sell | $19.13 | 452 | $8,647 |
| 2025-12-31 | Fernando Austin Pena | Sell | $19.24 | 3,131 | $60,240 |
| 2025-12-17 | Anthony F Marone Jr | Sell | $20.31 | 1,012 | $20,554 |
| 2025-12-17 | Marcin Urbaszek | Sell | $20.29 | 400 | $8,116 |
| 2025-12-01 | Anthony F Marone Jr | Sell | $19.38 | 506 | $9,806 |
| 2025-09-17 | Anthony F Marone Jr | Sell | $19.48 | 1,006 | $19,597 |
| 2025-09-17 | Katharine A Keenan | Sell | $19.49 | 4,593 | $89,518 |
| 2025-09-17 | Marcin Urbaszek | Sell | $19.50 | 398 | $7,761 |
| 2025-09-02 | Anthony F Marone Jr | Sell | $19.27 | 506 | $9,751 |
| 2025-09-02 | Katharine A Keenan | Sell | $19.25 | 2,315 | $44,564 |
| 2025-06-17 | Anthony F Marone Jr | Sell | $19.20 | 1,517 | $29,126 |
| 2025-06-17 | Katharine A Keenan | Sell | $19.13 | 6,931 | $132,590 |
| 2025-06-17 | Marcin Urbaszek | Sell | $19.14 | 800 | $15,312 |
| 2025-05-06 | Henry N Nassau | Buy | $18.90 | 10,000 | $189,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
BXMT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns BXMT
Institutional investors own 70.1% of Blackstone Mortgage's shares and insiders 1.31%. The largest holder is BlackRock Inc with 14.82% of the shares (25.0M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 9.54% of the float, or 4.68 days of average trading volume. The share count rose 191.9% since 2014.
Related: BXMT analyst forecast, BXMT key metrics, BXMT dividend history. See the BXMT stock overview for the latest quote and news.
BXMT ownership FAQ
Who owns the most Blackstone Mortgage stock?
The largest shareholders of Blackstone Mortgage are BlackRock Inc (14.82%), Blackstone Inc (5.51%), Vanguard Portfolio Management, LLC (5.28%), Vanguard Capital Management, LLC (4.25%), State Street Corp (3.81%).
What percentage of Blackstone Mortgage is owned by institutions?
Institutions hold 70.1% of Blackstone Mortgage's shares outstanding; insiders hold 1.31%.
Which funds own Blackstone Mortgage?
The largest fund holders of Blackstone Mortgage are iShares Core S&P Small-Cap ETF (5.53%), Vanguard MStar Total Stk Mkt Idx Invest (3.03%), iShares Russell 2000 ETF (2.50%), Vanguard Small Cap Index (2.14%), Vanguard MStar Small Cap Value Index (1.11%).
What is Blackstone Mortgage's short interest?
11.8M shares of Blackstone Mortgage were sold short, 9.54% of the float; at the average daily volume it would take 4.68 days to cover.
Are insiders buying or selling Blackstone Mortgage?
Of the latest 15 reported insider transactions in Blackstone Mortgage (since May 6, 2025), 1 were purchases and 14 were sales.
How many shares of Blackstone Mortgage are outstanding?
Blackstone Mortgage has 168.5M shares outstanding, of which 159.3M are in the public float.