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BXMT

Blackstone Mortgage Trust, Inc.

Company with tickers: BXMT

CIK
1061630
CUSIP
09257W100
Shares Outstanding
168,683,520
13F Activity (30d)
277 filings 268 filers
Holders: 339
Total Value: $2,114,227,242
Total Shares: 110,403,522
Showing 1–100 of 345 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 339 13F filers · Δ vs Dec 31, 2025
Top Holder
22.1%
Jun 2023 → Mar 2026 · range 14.0% – 24.6%
+0.3 pts
Top 5
50.6%
Jun 2023 → Mar 2026 · range 47.3% – 62.6%
−3.9 pts
Top 10
62.5%
Jun 2023 → Mar 2026 · range 61.2% – 72.6%
−2.9 pts
HHI
756
Jun 2023 → Mar 2026 · range 591 – 1,045
Broadly held −115

Quarterly Activity

vs Dec 31, 2025
New
45
Increased
123
Decreased
98
Sold Out
49
Unchanged
73
Holder count: -4
Institutional value: -0.5%
Shares held: -0.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Qube Research & Technologies Ltd +858,788 1,569,662
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. +736,161 1,514,028
Mega UBS Group AG +733,137 2,288,199
Mega BANK OF AMERICA CORP /DE/ +300,357 1,297,062
Mega Nuveen, LLC +235,086 585,520

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Parallax Volatility Advisers, L.P. −1,081,100 2,265,000
Mega TWO SIGMA INVESTMENTS, LP −610,508 159,026
Mega JANE STREET GROUP, LLC −548,269 325,300
Large BAMCO INC /NY/ −432,191 1,568,430
Mega CITADEL ADVISORS LLC −384,281 774,990

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 8,789,050 $168,310,307
Mega VANGUARD CAPITAL MANAGEMENT LLC 7,212,678 $138,122,783
Mid GRS Advisors, LLC 1,985,984 $38,031,593
Mega VANGUARD FIDUCIARY TRUST CO 1,026,454 $19,656,594
Mid BOOTHBAY FUND MANAGEMENT, LLC 395,478 $7,573,403

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 16,948,886 $324,232,186
Mega NORGES BANK 1,998,880 $38,238,574
Mid NewEdge Advisors, LLC 309,654 $5,923,681
Mega California Public Employees Retirement System 265,761 $5,084,007
Large PEAK6 LLC 227,200 $4,346,336
Filter: New 45 Increased 123 Reduced 98 Sold out 49 Unchanged 73
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $468,194,779 22.14% 24,448,814
Large Blackstone Inc. $177,775,635 8.41% 9,283,323
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $168,310,307 7.96% 8,789,050
Mega VANGUARD CAPITAL MANAGEMENT LLC $138,122,783 6.53% 7,212,678
Mega STATE STREET CORP $117,707,600 5.57% 6,146,611
Mega GEODE CAPITAL MANAGEMENT, LLC $74,372,701 3.52% 3,883,692
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $47,303,257 2.24% 2,470,144
Mega UBS Group AG $43,819,010 2.07% 2,288,199
Large Parallax Volatility Advisers, L.P. $43,374,750 2.05% 2,265,000
Mega MORGAN STANLEY $42,854,383 2.03% 2,237,827
Mid GRS Advisors, LLC $38,031,593 1.80% 1,985,984
Mega NORTHERN TRUST CORP Bank $35,009,337 1.66% 1,828,164
Large Qube Research & Technologies Ltd $30,059,027 1.42% 1,569,662
Large BAMCO INC /NY/ $30,035,434 1.42% 1,568,430
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $28,993,636 1.37% 1,514,028
Mega GOLDMAN SACHS GROUP INC $27,515,676 1.30% 1,436,850
Mega Invesco Ltd. $25,323,421 1.20% 1,322,372
Mega BANK OF AMERICA CORP /DE/ Bank $24,838,736 1.17% 1,297,062
Mid Advisors Capital Management, LLC $23,060,257 1.09% 1,204,191
Mega WELLS FARGO & COMPANY/MN $20,028,007 0.95% 1,045,849
Mega Bank of New York Mellon Corp Bank $19,726,241 0.93% 1,030,091
Mega VANGUARD FIDUCIARY TRUST CO Bank $19,656,594 0.93% 1,026,454
Mega VAN ECK ASSOCIATES CORP $18,348,515 0.87% 958,147
Large MetLife Investment Management, LLC $17,223,031 0.81% 899,375
Mega PRINCIPAL FINANCIAL GROUP INC $14,762,753 0.70% 770,901
Large Rockefeller Capital Management L.P. $13,960,080 0.66% 728,986
Mega Nuveen, LLC $11,212,707 0.53% 585,520
Large Public Sector Pension Investment Board Pension $10,873,331 0.51% 567,798
Mega D. E. Shaw & Co., Inc. $10,150,208 0.48% 530,037
Mega VICTORY CAPITAL MANAGEMENT INC $9,287,501 0.44% 484,987
Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. $9,261,399 0.44% 483,624
Mega RHUMBLINE ADVISERS $8,413,782 0.40% 439,362
Mid GFS Advisors, LLC $7,736,408 0.37% 403,990
Mid BOOTHBAY FUND MANAGEMENT, LLC $7,573,403 0.36% 395,478
Mega CITADEL ADVISORS LLC $7,399,560 0.35% 386,400
Mega NEUBERGER BERMAN GROUP LLC $7,275,736 0.34% 379,934
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $7,275,085 0.34% 379,900
Mega Legal & General Group Plc $7,202,544 0.34% 376,112
Large WESTWOOD HOLDINGS GROUP INC $7,181,269 0.34% 375,001
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $6,969,925 0.33% 363,965
Mega JPMORGAN CHASE & CO $6,907,460 0.33% 360,703
Mega AMERIPRISE FINANCIAL INC $6,349,661 0.30% 331,575
Small LONGFELLOW INVESTMENT MANAGEMENT CO LLC $6,128,000 0.29% 320,000
Mega Swiss National Bank Bank $6,037,995 0.29% 315,300
Small Dupree Financial Group, LLC $5,939,678 0.28% 310,166
Mid INDEPENDENT FINANCIAL GROUP, LLC $5,798,562 0.27% 302,797
Small NATIONS FINANCIAL GROUP INC, /IA/ /ADV $5,616,484 0.27% 293,289
Small CONDOR CAPITAL MANAGEMENT $5,444,785 0.26% 284,323
Micro John & Kathleen Schreiber Foundation Endowment $5,418,090 0.26% 282,929
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $5,239,440 0.25% 273,600
Mega JANE STREET GROUP, LLC $4,867,930 0.23% 254,200
Mega CITADEL ADVISORS LLC $4,829,438 0.23% 252,190
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $4,697,246 0.22% 245,287
Small Bracebridge Capital, LLC $4,628,555 0.22% 241,700
Mid Edgestream Partners, L.P. $4,575,241 0.22% 238,916
Mid CHOREO, LLC $4,463,367 0.21% 233,074
Mega AQR CAPITAL MANAGEMENT LLC $4,280,060 0.20% 223,502
Mid HBK INVESTMENTS L P $3,830,000 0.18% 200,000
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $3,788,348 0.18% 197,825
Mega LPL Financial LLC $3,687,524 0.17% 192,560
Small Ellis Investment Partners, LLC $3,572,126 0.17% 186,534
Mid Baker Avenue Asset Management, LP $3,565,538 0.17% 186,190
Mega FIRST TRUST ADVISORS LP $3,545,583 0.17% 185,148
Small SHIKIAR ASSET MANAGEMENT INC $3,345,505 0.16% 174,700
Large HighTower Advisors, LLC $3,314,233 0.16% 173,067
Mid INTECH INVESTMENT MANAGEMENT LLC $3,310,996 0.16% 172,898
Mega PRICE T ROWE ASSOCIATES INC /MD/ $3,299,564 0.16% 172,301
Large Janney Montgomery Scott LLC $3,264,385 0.15% 170,464
Large PRUDENTIAL FINANCIAL INC $3,182,059 0.15% 166,165
Large Focus Partners Wealth $3,158,352 0.15% 164,927
Small FJ Capital Management LLC $3,075,413 0.15% 160,596
Mega TWO SIGMA INVESTMENTS, LP $3,045,347 0.14% 159,026
Mega ALLIANCEBERNSTEIN L.P. $3,013,616 0.14% 157,369
Mega ROYAL BANK OF CANADA Bank $3,002,163 0.14% 156,771
Mega VANGUARD ASSET MANAGEMENT, Ltd $2,979,874 0.14% 155,607
Large GABELLI FUNDS LLC $2,891,650 0.14% 151,000
Mega DEUTSCHE BANK AG\ Bank $2,820,526 0.13% 147,286
Large Russell Investments Group, Ltd. $2,761,675 0.13% 144,213
Mid BI Asset Management Fondsmaeglerselskab A/S $2,752,984 0.13% 143,759
Mega CITADEL ADVISORS LLC $2,612,060 0.12% 136,400
Mega BARCLAYS PLC $2,576,191 0.12% 134,527
Large Thrivent Financial for Lutherans $2,491,644 0.12% 130,112
Mid GROUP ONE TRADING LLC $2,475,616 0.12% 129,275
Large VOYA INVESTMENT MANAGEMENT LLC $2,390,992 0.11% 124,856
Large SEI INVESTMENTS CO $2,390,684 0.11% 124,840
Large SG Americas Securities, LLC Broker-Dealer $2,258,991 0.11% 117,963
Mega PNC FINANCIAL SERVICES GROUP, INC. $2,241,084 0.11% 117,028
Large State of New Jersey Common Pension Fund D Pension $2,235,053 0.11% 116,713
Large BROWN BROTHERS HARRIMAN & CO $2,184,057 0.10% 114,050
Large Corient Private Wealth LLC $2,110,176 0.10% 110,192
Mid Lighthouse Investment Partners, LLC $2,013,660 0.10% 105,152
Micro One William Street Capital Management, L.P. $1,915,000 0.09% 100,000
Large OSAIC HOLDINGS, INC. $1,887,289 0.09% 98,553
Mega RAYMOND JAMES FINANCIAL INC $1,732,021 0.08% 90,445
Large CIBC WORLD MARKET INC. $1,726,602 0.08% 90,162
Mid Parallel Advisors, LLC $1,629,090 0.08% 85,070
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $1,596,439 0.08% 83,365
Mid Illinois Municipal Retirement Fund Pension $1,536,864 0.07% 80,254
Mid State of Alaska, Department of Revenue $1,505,611 0.07% 78,622
Mid Penserra Capital Management LLC $1,493,872 0.07% 78,009
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