Ark 21Shares Bitcoin ETF

ARKB

Exchange: CBOE
Industry: Commodity Contracts Brokers & Dealers
SEC CIK: 0001869699

SEC filings (opens in a new tab)

No open-market purchases or sales by Ark 21Shares Bitcoin ETF insiders were filed in the last 90 days; 125 institutions reported holding it in 13F filings for Q2 2026, worth $608.7M in total; ARK Invest is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Ark 21Shares Bitcoin ETF changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of ARKB: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	161	1	173	+13
Shares	44.5M	4.25K	40.2M	−4.28M (−9.6%)
Value	$1.59B	$152.3K	$1.53B	−$59.8M (−3.8%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Ark 21Shares Bitcoin ETF at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ARKB in Q3 2025
Institution	Shares	Value	% of portfolio
Old Mission Capital LLC	123,970	$4.71M	0.17%
SIH Partners, LLLP	84,774	$3.22M	0.28%
Jain Global LLC	69,615	$2.65M	0.03%
Tred Avon Family Wealth, LLC	31,276	$1.19M	0.41%
Insigneo Advisory Services, LLC	23,481	$892.7K	0.06%
Vident Advisory, LLC	20,153	$766.2K	0.01%
Marex Group plc	20,000	$760.4K	0.01%
Quadrature Capital Ltd	16,366	$622.2K	0.01%
Union Bancaire Privee, UBP SA	20,726	$603.6K	0.01%
Centiva Capital, LP	15,084	$573.5K	0.05%
Prosperity Wealth Management, Inc.	10,400	$395.4K	0.13%
Womack Financial LLC	8,486	$322.6K	0.24%
CWC Advisors, LLC.	8,450	$321.3K	0.16%
Douglass Winthrop Advisors, LLC	8,000	$304.2K	0.01%
XTX Topco Ltd	6,710	$255.1K	0.01%
Core Wealth Partners LLC	5,439	$206.8K	0.09%
Blue Rock Wealth Management LLC	5,419	$206.0K	0.13%
The PNC Financial Services Group, Inc.	3,600	$136.9K	0.00%
Annis Gardner Whiting Capital Advisors, LLC	3,519	$133.8K	0.03%
Turim 21 Investimentos Ltda.	2,301	$87.5K	0.03%
Financial Consulate, Inc	1,818	$69.1K	0.01%
Towarzystwo Funduszy Inwestycyjnych Pzu SA	1,550	$58.7K	0.01%
Steward Partners Investment Advisory, LLC	1,305	$49.6K	0.00%
Sound Income Strategies, LLC	435	$17.5K	0.00%
BlackRock, Inc.	126	$4.81K	0.00%
Frazier Financial Advisors, LLC	112	$4.26K	0.00%
Tower Research Capital LLC (TRC)	38	$1.45K	0.00%
Guerra Advisors Inc	9	$342	0.00%
SRS Capital Advisors, Inc.	3	$114	0.00%
Jones Financial Companies LLLP	3	$109	0.00%
Cloud Capital Management, LLC	4	$0	0.00%

Sold out (18)

Institutions that held Ark 21Shares Bitcoin ETF at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of ARKB in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Vestor Capital, LLC	619,370	$17.9M
Verition Fund Management LLC	150,000	$5.37M
Two Sigma Securities, LLC	12,137	$434.4K
Optivise Advisory Services LLC	10,519	$376.5K
Claudia M.P. Batlle, CRP (R) LLC	10,000	$357.9K
RFG Advisory, LLC	9,642	$345.1K
Woodley Farra Manion Portfolio Management Inc	9,000	$322.1K
Landaas & Co	8,987	$322.0K
Richardson Capital Management LLC	7,647	$273.7K
Garrett Investment Advisors LLC	6,858	$245.4K
Vienna Asset Management LLC	6,111	$218.7K
BCS Wealth Management	5,985	$214.0K
Financial & Tax Architects, LLC	5,688	$203.6K
Centric Wealth Management	5,226	$202.3K
Walleye Trading LLC	1,077	$38.5K
Kiker Wealth Management, LLC	900	$32.2K
Royal Bank of Canada	420	$15.0K
Headlands Technologies LLC	100	$3.58K

Not filed for Q3 2025 yet (1)

Institutions that held Ark 21Shares Bitcoin ETF at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARKB in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
First Horizon Advisors, Inc.	4,255	$152.3K