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Institutional Ownership · SEC Form 13F

Who owns XXI (XXI)


Which tracked institutional funds hold XXI, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See XXI company fundamentals →

Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

71
Institutional holders
136,426,953
Shares held (tracked funds)

How the tape is positioned

16 tracked funds added or opened XXI while 10 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.

A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.

Conviction spread

XXI’s largest tracked holder by dollar value, SOFTBANK GROUP CORP., sizes it at 5.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 5.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in XXI divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.

Institutional & insider positioning

Between 2025-Q4 and 2026-Q1, across 71 tracked filers holding XXI, 47 increased or opened the position and 30 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.

This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.

New buyers & exits

Funds opening or closing a position in XXI between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.

New buyers 13

  • BlackRock, Inc.$34M
  • GEODE CAPITAL MANAGEMENT, LLC$26M
  • VANGUARD CAPITAL MANAGEMENT LLC$25M
  • CHARLES SCHWAB INVESTMENT MANAGEMENT INC$18M
  • VANGUARD FIDUCIARY TRUST CO$12M
  • STATE STREET CORP$10M

Full exits 1

  • MARSHALL WACE, LLP$1M

Largest adds

  • UBS Group AG$22M
  • SUSQUEHANNA INTERNATIONAL GROUP, LLP$1M
  • HRT FINANCIAL LP$291K

Largest trims

  • SOFTBANK GROUP CORP.$210M
  • JANE STREET GROUP, LLC$21M
  • MORGAN STANLEY$15M
  • CANTOR FITZGERALD, L. P.$15M
  • Shay Capital LLC$3M
  • Avenir Tech Ltd$944K

Institutional holders

One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).

FundSharesReported value% of valueQuarter
SOFTBANK GROUP CORP.89,106,748$570M65.1%2026-Q1
MORGAN STANLEY added12,057,395$77M8.8%2026-Q1
CANTOR FITZGERALD, L. P. trimmed5,511,199$35M4.0%2026-Q1
BlackRock, Inc. new5,371,002$34M3.9%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC new4,051,834$26M3.0%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new3,867,942$25M2.8%2026-Q1
UBS Group AG added3,722,092$24M2.7%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC new2,767,605$18M2.0%2026-Q1
VANGUARD FIDUCIARY TRUST CO new1,832,258$12M1.3%2026-Q1
STATE STREET CORP new1,603,225$10M1.2%2026-Q1
Anson Funds Management LP new1,271,500$8M0.9%2026-Q1
Shay Capital LLC added1,138,884$7M0.8%2026-Q1
NORTHERN TRUST CORP new745,845$5M0.5%2026-Q1
Amundi added441,629$3M0.3%2026-Q1
Avenir Tech Ltd400,000$3M0.3%2026-Q1
Pantera Capital Partners LP337,500$2M0.2%2026-Q1
BANK OF AMERICA CORP /DE/ new276,255$2M0.2%2026-Q1
JANE STREET GROUP, LLC trimmed266,382$2M0.2%2026-Q1
Alyeska Investment Group, L.P. new250,000$2M0.2%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP added212,062$1M0.2%2026-Q1
Vanguard Global Advisers, LLC new144,215$923K0.1%2026-Q1
Weiss Asset Management LP new142,579$913K0.1%2026-Q1
Bank of New York Mellon Corp new81,379$521K0.1%2026-Q1
CITADEL ADVISORS LLC added78,417$502K0.1%2026-Q1
HRT FINANCIAL LP added64,800$414K0.0%2026-Q1
Summit Trail Advisors, LLC trimmed62,500$400K0.0%2026-Q1
WOLVERINE ASSET MANAGEMENT LLC new59,986$384K0.0%2026-Q1
GOLDMAN SACHS GROUP INC new50,418$323K0.0%2026-Q1
Marex Group plc added44,400$284K0.0%2026-Q1
Virtu Financial LLC new42,141$270K0.0%2026-Q1
COMMONWEALTH EQUITY SERVICES, LLC new38,377$246K0.0%2026-Q1
BALYASNY ASSET MANAGEMENT L.P. new38,205$245K0.0%2026-Q1
Vontobel Holding Ltd. new32,869$210K0.0%2026-Q1
LPL Financial LLC trimmed30,287$194K0.0%2026-Q1
Cetera Investment Advisers trimmed24,833$159K0.0%2026-Q1
Invesco Ltd. new23,448$150K0.0%2026-Q1
PINNACLE ASSOCIATES LTD23,200$148K0.0%2026-Q1
E6 Portfolios, LLC added21,351$137K0.0%2026-Q1
Foundations Investment Advisors, LLC added21,304$136K0.0%2026-Q1
BOKF, NA added17,580$113K0.0%2026-Q1
CI INVESTMENTS INC. new16,872$108K0.0%2026-Q1
CITIGROUP INC new16,462$105K0.0%2026-Q1
HighTower Advisors, LLC added14,530$93K0.0%2026-Q1
EVEXIA WEALTH LLC added12,539$88K0.0%2026-Q1
OSAIC HOLDINGS, INC. trimmed12,691$81K0.0%2026-Q1
BARCLAYS PLC new12,659$81K0.0%2026-Q1
RED REEF ADVISORS LLC new11,250$72K0.0%2026-Q1
Kovack Advisors, Inc. trimmed11,145$70K0.0%2026-Q1
XTX Topco Ltd trimmed10,712$69K0.0%2026-Q1
CAPSTONE INVESTMENT ADVISORS, LLC new10,676$68K0.0%2026-Q1
Rockefeller Capital Management L.P. new8,000$51K0.0%2026-Q1
GROUP ONE TRADING LLC trimmed3,628$23K0.0%2026-Q1
Quantbot Technologies LP new1,897$12K0.0%2026-Q1
BURKETT FINANCIAL SERVICES, LLC1,787$11K0.0%2026-Q1
Advisory Services Network, LLC new1,250$8K0.0%2026-Q1
American Capital Advisory, LLC added1,200$8K0.0%2026-Q1
Farther Finance Advisors, LLC added1,148$7K0.0%2026-Q1
Quarry LP new964$6K0.0%2026-Q1
CWM, LLC693$4K0.0%2026-Q1
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC600$4K0.0%2026-Q1
Sound Income Strategies, LLC564$3K0.0%2026-Q1
CENTRAL TRUST Co added400$3K0.0%2026-Q1
WOLFF WIESE MAGANA LLC372$2K0.0%2026-Q1
Elequin Capital, LP trimmed234$1K0.0%2026-Q1
Glass Jacobson Investment Advisors llc210$1K0.0%2026-Q1
Creative Capital Management Investments LLC added192$1K0.0%2026-Q1
AdvisorNet Financial, Inc added181$1K0.0%2026-Q1
ROYAL BANK OF CANADA200$1K0.0%2026-Q1
Allworth Financial LP138$8840.0%2026-Q1
MAI Capital Management100$6400.0%2026-Q1
Ascentis Wealth Management, LLC trimmed13$830.0%2026-Q1
MARSHALL WACE, LLP new122,300$1M0.1%2025-Q4 stale
Brevan Howard Capital Management LP new53,025$464K0.1%2025-Q4 stale
SIMPLEX TRADING, LLC new35,192$308K0.0%2025-Q4 stale
Squarepoint Ops LLC new32,120$281K0.0%2025-Q4 stale
BNP PARIBAS FINANCIAL MARKETS new27,200$238K0.0%2025-Q4 stale
Point72 Asset Management, L.P. new25,379$222K0.0%2025-Q4 stale
EAGLE GLOBAL ADVISORS LLC new21,600$189K0.0%2025-Q4 stale
Schonfeld Strategic Advisors LLC new10,334$91K0.0%2025-Q4 stale
Laird Norton Wetherby Trust Company, LLC new10,000$88K0.0%2025-Q4 stale
NATIXIS new5,373$49K0.0%2025-Q4 stale
FNY Investment Advisers, LLC new2,000$17K0.0%2025-Q4 stale
Tower Research Capital LLC (TRC) new443$4K0.0%2025-Q4 stale
NewEdge Advisors, LLC new413$4K0.0%2025-Q4 stale
SageView Advisory Group, LLC new161$1K0.0%2025-Q4 stale
VALLEY NATIONAL ADVISERS INC new119$1K0.0%2025-Q4 stale
METEORA CAPITAL, LLC new100$8760.0%2025-Q4 stale
NATIONAL BANK OF CANADA /FI/ new50$4360.0%2025-Q4 stale
Arax Advisory Partners new40$3510.0%2025-Q4 stale
Global Retirement Partners, LLC new10$880.0%2025-Q4 stale

Ownership over time

Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.

HoldersTotal shares

Reading this table

Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.

About 13F filings

A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.

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