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  • XXI Twenty One Capital, Inc.

XXI

Twenty One Capital, Inc.

Company with tickers: XXI

CIK
2070457
CUSIP
90138L109
Shares Outstanding
346,807,836
13F Activity (30d)
59 filings 58 filers
Holders: 72
Total Value: $886,100,790
Total Shares: 138,453,253

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 72 13F filers · Δ vs Dec 31, 2025
Top Holder
64.4%
Dec 2025 → Mar 2026 · range 64.4% – 79.2%
−14.8 pts
Top 5
83.9%
Dec 2025 → Mar 2026 · range 83.9% – 97.0%
−13.1 pts
Top 10
93.8%
Dec 2025 → Mar 2026 · range 93.8% – 98.9%
−5.1 pts
HHI
4,283
Dec 2025 → Mar 2026 · range 4,283 – 6,387
Highly concentrated −2,104

Quarterly Activity

vs Dec 31, 2025
New
29
Increased
16
Decreased
12
Sold Out
21
Unchanged
15
Holder count: +8
Institutional value: -10.1%
Shares held: +23.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega UBS Group AG +3,487,519 3,722,092
Mega MORGAN STANLEY +1,505,753 12,057,395
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +1,094,215 1,635,662
Mega Amundi +139,500 441,629
Large Marex Group plc +31,200 88,800

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega JANE STREET GROUP, LLC −2,255,439 460,882
Mid CANTOR FITZGERALD, L. P. −178,648 5,511,199
Mega CITADEL ADVISORS LLC −108,183 487,117
Mid GROUP ONE TRADING LLC −70,719 3,628
Large Cetera Investment Advisers −23,698 24,833

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega BlackRock, Inc. 5,371,002 $34,374,411
Mega GEODE CAPITAL MANAGEMENT, LLC 4,051,834 $25,931,737
Mega VANGUARD CAPITAL MANAGEMENT LLC 3,867,942 $24,754,828
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2,767,605 $17,712,672
Mega VANGUARD FIDUCIARY TRUST CO 1,832,258 $11,726,451

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Micro Hunting Hill Global Capital, LLC 151,500 $1,327,140
Large MARSHALL WACE, LLP 122,300 $1,071,347
Mid Brevan Howard Capital Management LP 53,025 $464,499
Mid SIMPLEX TRADING, LLC 35,192 $308,281
Large Squarepoint Ops LLC 32,120 $281,371
Filter: New 29 Increased 16 Reduced 12 Sold out 21 Unchanged 15
Showing 79 of 79
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Large SOFTBANK GROUP CORP. Bank $570,283,187 64.36% 89,106,748
Mega MORGAN STANLEY $77,167,325 8.71% 12,057,395
Mid CANTOR FITZGERALD, L. P. $35,271,672 3.98% 5,511,199
Mega BlackRock, Inc. $34,374,411 3.88% 5,371,002
Mega GEODE CAPITAL MANAGEMENT, LLC $25,931,737 2.93% 4,051,834
Mega VANGUARD CAPITAL MANAGEMENT LLC $24,754,828 2.79% 3,867,942
Mega UBS Group AG $23,821,388 2.69% 3,722,092
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $17,712,672 2.00% 2,767,605
Mega VANGUARD FIDUCIARY TRUST CO Bank $11,726,451 1.32% 1,832,258
Mega STATE STREET CORP $10,260,640 1.16% 1,603,225
Small Anson Funds Management LP $8,137,600 0.92% 1,271,500
Mid Shay Capital LLC $7,288,857 0.82% 1,138,884
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,965,120 0.79% 1,088,300
Mega NORTHERN TRUST CORP Bank $4,773,408 0.54% 745,845
Mega Amundi $2,826,425 0.32% 441,629
Small Avenir Tech Ltd $2,560,000 0.29% 400,000
Small Pantera Capital Partners LP $2,160,000 0.24% 337,500
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,145,920 0.24% 335,300
Mega CITADEL ADVISORS LLC $1,795,200 0.20% 280,500
Mega BANK OF AMERICA CORP /DE/ Bank $1,768,032 0.20% 276,255
Mega JANE STREET GROUP, LLC $1,704,844 0.19% 266,382
Large Alyeska Investment Group, L.P. $1,600,000 0.18% 250,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,357,196 0.15% 212,062
Mega JANE STREET GROUP, LLC $945,280 0.11% 147,700
Mega Vanguard Global Advisers, LLC $922,976 0.10% 144,215
Mid Weiss Asset Management LP $912,505 0.10% 142,579
Mega CITADEL ADVISORS LLC $820,480 0.09% 128,200
Mega Bank of New York Mellon Corp Bank $520,825 0.06% 81,379
Mega CITADEL ADVISORS LLC $501,868 0.06% 78,417
Mid Summit Trail Advisors, LLC $400,000 0.05% 62,500
Mid WOLVERINE ASSET MANAGEMENT LLC $383,910 0.04% 59,986
Mega GOLDMAN SACHS GROUP INC $322,675 0.04% 50,418
Mega JANE STREET GROUP, LLC $299,520 0.03% 46,800
Large Marex Group plc $284,160 0.03% 44,400
Large Marex Group plc $284,160 0.03% 44,400
Mid Virtu Financial LLC $269,702 0.03% 42,141
Large COMMONWEALTH EQUITY SERVICES, LLC $245,612 0.03% 38,377
Large Balyasny Asset Management L.P. $244,512 0.03% 38,205
Large Vontobel Holding Ltd. $210,361 0.02% 32,869
Mega LPL Financial LLC $193,836 0.02% 30,287
Large Cetera Investment Advisers $158,931 0.02% 24,833
Mega Invesco Ltd. $150,067 0.02% 23,448
Mid PINNACLE ASSOCIATES LTD $148,480 0.02% 23,200
Micro E6 Portfolios, LLC $136,646 0.02% 21,351
Mid Foundations Investment Advisors, LLC Endowment $136,345 0.02% 21,304
Mid BOKF, NA $112,512 0.01% 17,580
Large CI INVESTMENTS INC. $107,980 0.01% 16,872
Mega CITIGROUP INC $105,356 0.01% 16,462
Small CSS LLC/IL $95,360 0.01% 14,900
Large HighTower Advisors, LLC $92,992 0.01% 14,530
Large OSAIC HOLDINGS, INC. $81,222 0.01% 12,691
Mega BARCLAYS PLC $81,017 0.01% 12,659
Small EVEXIA WEALTH LLC $80,249 0.01% 12,539
Micro RED REEF ADVISORS LLC $72,000 0.01% 11,250
Mid Kovack Advisors, Inc. $71,328 0.01% 11,145
Mid XTX Topco Ltd $68,556 0.01% 10,712
Large CAPSTONE INVESTMENT ADVISORS, LLC $68,326 0.01% 10,676
Large Rockefeller Capital Management L.P. $51,200 0.01% 8,000
Micro Skaana Management L.P. $32,000 0.00% 5,000
Mid GROUP ONE TRADING LLC $23,219 0.00% 3,628
Mid Quantbot Technologies LP $12,140 0.00% 1,897
Micro BURKETT FINANCIAL SERVICES, LLC $11,436 0.00% 1,787
Mid Advisory Services Network, LLC $8,000 0.00% 1,250
Micro American Capital Advisory, LLC $7,680 0.00% 1,200
Mid Farther Finance Advisors, LLC $7,347 0.00% 1,148
Small Quarry LP $6,169 0.00% 964
Large CWM, LLC $4,435 0.00% 693
Mid INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC $3,840 0.00% 600
Mid Sound Income Strategies, LLC $3,609 0.00% 564
Mid CENTRAL TRUST Co Bank $2,560 0.00% 400
Small WOLFF WIESE MAGANA LLC $2,380 0.00% 372
Small Elequin Capital, LP $1,497 0.00% 234
Micro Glass Jacobson Investment Advisors llc $1,344 0.00% 210
Mega ROYAL BANK OF CANADA Bank $1,280 0.00% 200
Micro Creative Capital Management Investments LLC $1,228 0.00% 192
Small AdvisorNet Financial, Inc $1,158 0.00% 181
Mid Allworth Financial LP $883 0.00% 138
Mid MAI Capital Management $640 0.00% 100
Small Ascentis Wealth Management, LLC $83 0.00% 13

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