This purpose of this Supplement is to update and supplement certain information contained in the Registration Statement and Prospectus to disclose that the Trust will allow for an in-kind creation and redemption process as an alternative to the Trust’s current cash creation and redemption process. Except as otherwise set forth below, the information set forth in the Registration Statement and Prospectus remains unchanged. For clarity, additions to existing disclosure from the Registration Statement and Prospectus are indicated with bold, underlined text and deletions are indicated with strikethrough. All page, paragraph and section references used herein refer to the Registration Statement and Prospectus before any additions or deletions resulting from the revised disclosures, and capitalized terms used but not otherwise defined herein have the meanings ascribed to them in the Registrati…
ARKB ARK 21Shares Bitcoin ETF
Who holds it, from every 13F report, and what changed in its prospectus.
13F holders, quarter ending 2026-06-30 13F data can be up to 45 days old
126 institutions reported ARKB: 14 new since 2026-03-31, 35 sold out.
| Institution | Shares | Value | vs quarter before | Filed |
|---|---|---|---|---|
| ARK Investment Management LLC | 6.45M | $125.6M | Reduced -3.6% | 2026-08-14 ↗ |
| Schonfeld Strategic Advisors LLC | 3.94M | $76.6M | Reduced -29.6% | 2026-08-14 ↗ |
| Galaxy Digital Inc. | 3.89M | $75.8M | Reduced -24.6% | 2026-08-14 ↗ |
| Intesa Sanpaolo S.p.A. | 3.47M | $67.6M | Reduced -3.7% | 2026-07-31 ↗ |
| JANE STREET GROUP, LLC | 2.70M | $52.5M | Added +54.8% | 2026-08-14 ↗ |
| HBK INVESTMENTS L P | 1.97M | $38.3M | Held | 2026-08-14 ↗ |
| MILLENNIUM MANAGEMENT LLC | 1.06M | $20.6M | Reduced -37.5% | 2026-08-14 ↗ |
| KALEIDOSCOPE CAPITAL LP | 962K | $18.7M | Added +3.7% | 2026-08-11 ↗ |
| Tidal Investments LLC | 853K | $16.6M | Held | 2026-08-13 ↗ |
| Cyndeo Wealth Partners, LLC | 638K | $12.4M | Added +5.3% | 2026-07-21 ↗ |
| TITLEIST ASSET MANAGEMENT, LLC | 369K | $7.2M | Reduced -3.3% | 2026-07-20 ↗ |
| STATE OF MICHIGAN RETIREMENT SYSTEM | 300K | $5.8M | Held | 2026-07-30 ↗ |
| Farringdon Capital, Ltd. | 255K | $5.0M | Added +15.0% | 2026-08-12 ↗ |
| Quadrature Capital Ltd | 238K | $4.6M | New | 2026-08-07 ↗ |
| Blue Trust, Inc. | 225K | $4.4M | Added +14.3% | 2026-07-21 ↗ |
| Palatine Hill Wealth Management, LLC | 222K | $4.3M | Held | 2026-08-07 ↗ |
| MEITAV INVESTMENT HOUSE LTD | 188K | $3.7M | Added +32.4% | 2026-07-20 ↗ |
| HSBC HOLDINGS PLC | 180K | $3.5M | Held | 2026-08-14 ↗ |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 174K | $3.4M | Reduced -81.9% | 2026-08-14 ↗ |
| Dakota Wealth Management | 162K | $3.2M | Held | 2026-08-07 ↗ |
| LPL Financial LLC | 134K | $2.6M | Added +26.8% | 2026-08-07 ↗ |
| ENVESTNET ASSET MANAGEMENT INC | 113K | $2.2M | Reduced -15.8% | 2026-08-03 ↗ |
| CITADEL ADVISORS LLC | 106K | $2.1M | New | 2026-08-14 ↗ |
| HighTower Advisors, LLC | 100K | $1.9M | Reduced -5.1% | 2026-08-05 ↗ |
| BENJAMIN EDWARDS INC | 96K | $1.9M | Reduced -7.9% | 2026-07-24 ↗ |
| Wealthcare Advisory Partners LLC | 93K | $1.8M | Reduced -1.5% | 2026-07-09 ↗ |
| Kestra Advisory Services, LLC | 90K | $1.8M | Reduced -3.1% | 2026-07-28 ↗ |
| EverSource Wealth Advisors, LLC | 89K | $1.7M | Added ×97 | 2026-07-24 ↗ |
| One Charles Private Wealth Services, LLC | 88K | $1.7M | Added +0.7% | 2026-07-15 ↗ |
| Steward Partners Investment Advisory, LLC | 68K | $1.3M | Added +35.8% | 2026-08-13 ↗ |
| Prospera Financial Services Inc | 66K | $1.3M | Added +0.5% | 2026-07-15 ↗ |
| Vident Advisory, LLC | 59K | $1.1M | Added +78.2% | 2026-08-12 ↗ |
| NewEdge Advisors, LLC | 58K | $1.1M | Added +5.8% | 2026-08-12 ↗ |
| Freedom Financial Partners LLC | 57K | $1.1M | Held | 2026-08-06 ↗ |
| Belpointe Asset Management LLC | 56K | $1.1M | Reduced -10.5% | 2026-07-31 ↗ |
| HBW ADVISORY SERVICES LLC | 56K | $1.1M | Added +3.9% | 2026-07-16 ↗ |
| CERTIOR FINANCIAL GROUP, LLC | 50K | $980K | Added +187.4% | 2026-07-20 ↗ |
| Triad Wealth Partners, LLC | 44K | $936K | Reduced -2.1% | 2026-08-10 ↗ |
| RENAISSANCE TECHNOLOGIES LLC | 48K | $935K | New | 2026-08-13 ↗ |
| Creative Planning | 48K | $932K | Reduced -5.9% | 2026-08-13 ↗ |
Largest that sold out: Bayshore Capital Advisors, LLC ($4.0M), BIP Wealth, LLC ($3.2M), Aristides Capital LLC ($1.6M), Vivaldi Capital Management LP ($1.3M), TRED AVON FAMILY WEALTH, LLC ($703K), Q Fund Management (Hong Kong) Ltd ($697K), Broadhurst Jeffrey B ($598K), RAINEY & RANDALL WEALTH ADVISORS INC. ($549K).
Prospectus
One full prospectus stored (424B3 filed 2026-08-27); a comparison needs the next one.
Supplements
Short filings that change the prospectus. Quoted from their first paragraphs.