Blackstone Mortgage Trust, Inc.
US ˙ NYSE ˙ US09257W1009

SecurityBXMT / Blackstone Mortgage Trust, Inc.
InstitutionAmundi
Latest Disclosed Ownership33,705 shares
Latest Disclosed Value $ 645,451
Amundi reports 30.13% increase in ownership of BXMT / Blackstone Mortgage Trust, Inc.

On May 15, 2026 - Amundi filed a 13F-HR form disclosing ownership of 33,705 shares of Blackstone Mortgage Trust, Inc. (US:BXMT) valued at $645,451 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 25,901 shares of Blackstone Mortgage Trust, Inc.. This represents a change in shares of 30.13% during the quarter. The current value of the position is $607,027 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F BLACKSTONE MORTGAGE TRUST IN COM CL A 09257W100 33,705 7,804 30.13 645 30.30 0.0001
2026-02-17 2025-12-31 13F BLACKSTONE MTG TR COM CL A 09257W100 25,901 -2,411 -8.52 495 -5.53 0.0001
2025-11-14 2025-09-30 13F BLACKSTONE MTG TR COM CL A 09257W100 28,312 -49 -0.17 525 -6.76 0.0002
2025-08-13 2025-06-30 13F BLACKSTONE MTG TR COM CL A 09257W100 28,361 -41,063 -59.15 563 -58.03 0.0002
2025-05-15 2025-03-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 69,424 -17,796 -20.40 1,340 -12.48 0.0005
2025-02-07 2024-12-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 87,220 56,654 185.35 1,531 180.73 0.0005
2024-11-13 2024-09-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 30,566 -54,318 -63.99 546 -62.82 0.0002
2024-08-14 2024-06-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 84,884 27,108 46.92 1,467 38.43 0.0006
2024-05-15 2024-03-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 57,776 0 0.00 1,059 -14.67 0.0005
2024-02-14 2023-12-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 57,776 24,456 73.40 1,242 76.03 0.0006
2023-11-14 2023-09-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 33,320 -48,564 -59.31 705 -58.58 0.0003
2023-08-14 2023-06-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 81,884 0 0.00 1,702 17.30 0.0009
2023-05-15 2023-03-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 81,884 0 0.00 1,452 -23.27 0.0008
2023-02-14 2022-12-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 81,884 -34,180 -29.45 1,892 -31.83 0.0010
2022-11-14 2022-09-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 116,064 -3,109 -2.61 2,774 -17.00 0.0016
2022-09-02 2022-06-30 13F/A-1 BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 119,173 0 0.00 3,342 -10.45 0.0027
2022-08-15 2022-06-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 119,173 0 3,342 0.0002
2022-05-16 2022-03-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 119,173 -7,933 -6.24 3,732 -8.10 0.0025
2022-02-14 2021-12-31 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 127,106 -4,249 -3.23 4,061 1.96 0.0026
2021-11-15 2021-09-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 131,355 24,955 23.45 3,983 132,666.67 0.0028
2021-08-16 2021-06-30 13F BLACKSTONE MORTGAGE TRUST COM CL A 09257W100 106,400 106,400 3 0.0024
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.