21Shares Bitcoin ETP (ABTC), launched on February 25, 2019, holds 12,450 BTC as of April 30, 2025, valued at $1.046 billion at $84,000/BTC. It is managed by 21Shares, listed on SIX Swiss Exchange with a 1.49% management fee, and uses Coinbase Custody for Bitcoin storage.

3iQ CoinShares Bitcoin ETF (BTCQ), launched on April 19, 2021, holds 21,237 BTC as of April 30, 2025, valued at $1.78 billion at $84,000/BTC. It is managed by 3iQ and CoinShares, listed on TSX with a 1% management fee, and uses Gemini Custody for Bitcoin storage.

3iQ The Bitcoin Fund (QBTC), launched on April 9, 2020, holds 18,750 BTC as of April 30, 2025, valued at $1.575 billion at $84,000/BTC. It is managed by 3iQ Corp, listed on TSX with a 1.95% management fee, and uses Gemini Custody for Bitcoin storage.

ARK 21Shares Bitcoin ETF (ARKB), launched on January 11, 2024, holds 48,360 BTC as of April 30, 2025, valued at $4.06 billion at $84,000/BTC. It is managed by 21Shares US LLC, sponsored by ARK Investment Management, listed on Cboe BZX with a 0.21% management fee, and uses Coinbase Custody Trust for Bitcoin storage.

BIGG Digital Assets Inc. (BIGG), operating subsidiaries like Netcoins, holds 1,017 BTC as of December 31, 2024, valued at $85.4 million at $84,000/BTC. It focuses on crypto trading and forensics, listed on TSX, and has accumulated Bitcoin since March 2018.

Bitcoin Group SE (ADE), a German holding company, holds 3,947 BTC as of December 31, 2024, valued at $331.5 million at $84,000/BTC via its subsidiary Bitcoin.de, a regulated crypto marketplace. It is listed on XETRA and has accumulated Bitcoin since June 2017.

Bitfarms Ltd (BITF), founded in 2017, is a global Bitcoin mining company operating 15 data centers across Canada, the US, Paraguay, and Argentina. It holds 1,260 BTC as of February 28, 2025, valued at $105.8 million at $84,000/BTC, with 75% renewable energy usage. Listed on TSX and Nasdaq, it retains mined Bitcoin via its Bitcoin One program since January 2021.

Bitwise Bitcoin ETF (BITB), launched on January 11, 2024, holds 37,310 BTC as of April 30, 2025, valued at $3.13 billion at $84,000/BTC. It is listed on NYSE Arca with a 0.20% management fee, donates 10% of profits to open-source development, and uses Coinbase Custody for Bitcoin storage.

Block, Inc. (SQ), founded in 2009 by Jack Dorsey, is a fintech company integrating Bitcoin into financial services via Cash App and Bitkey. It holds 8,584 BTC as of December 31, 2024, valued at $720.8 million at $84,000/BTC, representing 0.041% of Bitcoin’s supply. Listed on NYSE, it invests 10% of monthly Bitcoin product profits into Bitcoin since October 2020.

Brevan Howard Asset Management, a UK-based hedge fund, holds approximately 1,200 BTC through its BH Digital division, allocated in April 2021. Valued at around $100.8 million as of April 2025, it continues to accumulate Bitcoin, reflecting institutional interest in digital assets.

BTCS Inc. (BTCS), a blockchain technology company, holds 850 BTC as of December 31, 2024, valued at $71.4 million at $84,000/BTC, operating validator nodes. It is listed on Nasdaq and has accumulated Bitcoin since September 2014.

Cathedra Bitcoin Inc. (CBIT), a diversified Bitcoin mining company, holds 518 BTC as of December 31, 2024, valued at $43.5 million at $84,000/BTC. It operates in North America with a mixed energy mix, listed on TSX, and has accumulated Bitcoin since August 2021.

CI Galaxy Bitcoin ETF (BTCX), launched on March 9, 2021, holds 16,780 BTC as of April 30, 2025, valued at $1.41 billion at $84,000/BTC. It is managed by CI Financial, listed on TSX with a 0.40% management fee, and uses Gemini Custody for Bitcoin storage.

Cipher Mining Inc. (CIFR), a Bitcoin mining company, holds 2,155 BTC as of April 2025, valued at $235.1 million at $109,114.88/BTC. It operates industrial-scale facilities in the US with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in August 2021.

CleanSpark Inc. (CLSK), a sustainable Bitcoin mining company, holds 6,591 BTC as of April 2025, valued at $719.3 million at $109,114.88/BTC. It operates with 95% renewable energy in the US, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in June 2021.

CoinShares Physical Bitcoin ETP (BITC), launched on January 19, 2021, holds 8,320 BTC as of April 30, 2025, valued at $698.9 million at $84,000/BTC. It is managed by CoinShares, listed on SIX Swiss Exchange with a 0.35% management fee, and uses Coinbase Custody for Bitcoin storage.

Core Scientific (CORZ), a leading Bitcoin mining company, holds 12,345 BTC as of April 30, 2025, valued at $1.037 billion at $84,000/BTC. It operates US data centers with a mixed energy mix, listed on Nasdaq after emerging from bankruptcy in January 2024, and has accumulated Bitcoin since January 2021.

Fidelity Wise Origin Bitcoin Fund (FBTC), launched on January 11, 2024, holds 173,680 BTC as of April 30, 2025, valued at $14.59 billion at $84,000/BTC. It is managed by Fidelity, listed on Cboe BZX with a 0.25% management fee, and uses Fidelity Digital Custody for Bitcoin storage.

Franklin Bitcoin ETF (EZBC), launched on January 11, 2024, holds 5,890 BTC as of April 30, 2025, valued at $494.8 million at $84,000/BTC. It is listed on Cboe BZX with a 0.19% management fee and uses Coinbase Custody for Bitcoin storage.

Galaxy Digital Holdings (GLXY), founded by Michael Novogratz, holds 15,593 BTC as of April 30, 2025, valued at $1.31 billion at $84,000/BTC. It focuses on digital assets and blockchain, listed on TSX, and has accumulated Bitcoin since November 2020.

Global X 21Shares Bitcoin ETF (EBTC), launched on May 12, 2022, holds 5,210 BTC as of April 30, 2025, valued at $437.6 million at $84,000/BTC. It is managed by Global X, listed on ASX with a 1.25% management fee, and uses Coinbase Custody for Bitcoin storage.

Grayscale Bitcoin Trust (GBTC), converted to a spot Bitcoin ETF on January 11, 2024, holds 291,260 BTC as of April 30, 2025, valued at $24.47 billion at $84,000/BTC. It is managed by Grayscale Investments, listed on NYSE Arca with a 1.5% management fee, and uses Coinbase Custody for Bitcoin storage.

Hashdex Bitcoin ETF (DEFI), converted to a spot Bitcoin ETF on March 27, 2024, holds 4,320 BTC as of April 30, 2025, valued at $362.9 million at $84,000/BTC. It is listed on NYSE Arca with a 0.90% management fee and uses BitGo Custody for Bitcoin storage.

HIVE Digital Technologies Ltd. (HIVE), a crypto mining company, holds 2,451 BTC as of April 30, 2025, valued at $205.9 million at $84,000/BTC. It operates with 100% renewable energy in Canada, Sweden, and Iceland, retaining mined Bitcoin since September 2017. Listed on TSX and Nasdaq.

Hut 8 Mining Corp (HUT), a major Bitcoin mining company, holds 9,109 BTC as of April 2025, valued at $993.6 million at $109,114.88/BTC. It operates across North America with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on TSX and Nasdaq, it began accumulating in December 2020.

Invesco Galaxy Bitcoin ETF (BTCO), launched on January 11, 2024, holds 14,280 BTC as of April 30, 2025, valued at $1.2 billion at $84,000/BTC. It is listed on Cboe BZX with a 0.25% management fee and uses Coinbase Custody for Bitcoin storage.

iShares Bitcoin Trust (IBIT), managed by BlackRock, holds 400,000 BTC as of April 30, 2025, valued at $33.6 billion at $84,000/BTC, the largest spot Bitcoin ETF. It was launched on January 11, 2024, listed on Nasdaq with a 0.25% management fee, and uses Coinbase Custody for Bitcoin storage.

KR1 plc (KR1), a London-based digital asset investor, holds 700 BTC as of December 31, 2024, valued at $58.8 million at $84,000/BTC from staking and blockchain investments. It is listed on AQSE and has accumulated Bitcoin since February 2016.

Marathon Digital Holdings (MARA), a leading Bitcoin mining company, holds 48,237 BTC as of April 2025, valued at $5.26 billion at $109,114.88/BTC. It operates large-scale facilities in the US, using a mixed energy mix, and retains most mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating Bitcoin in January 2021.

Massachusetts Mutual Life Insurance Company (MassMutual), a major US insurer, holds 1,837 BTC as a treasury asset, purchased in December 2020 via NYDIG for its general investment account. Valued at approximately $154.3 million as of April 2025.

Metaplanet Inc. (3350), a Japanese public company, holds 7,800 BTC as of May 19, 2025, valued at $655.2 million at $84,000/BTC, making it Asia’s largest public Bitcoin holder. It adopted Bitcoin as a treasury reserve asset in April 2024 to hedge against yen depreciation, targeting 10,000 BTC by end-2025 via bonds, equity financing, and options trading. Listed on TSE.

MicroStrategy (MSTR), founded in 1989 by Michael Saylor, is a business intelligence firm and the largest corporate Bitcoin holder, with 576,000 BTC as of April 30, 2025. Tracked by nipiQ, its holdings, valued at $48.4 billion at $84,000/BTC, represent 2.7429% of Bitcoin’s supply. Listed on Nasdaq, it has accumulated Bitcoin since August 2020 using debt financing, equity offerings, and excess cash to hedge against fiat currency debasement.

Monochrome Bitcoin ETF (IBTC), Australia’s first spot Bitcoin ETF launched on June 4, 2024, holds 1,500 BTC as of December 31, 2024, valued at $126 million at $84,000/BTC. It is managed by Monochrome Asset Management, listed on ASX with a 0.98% management fee, and uses Gemini Custody for Bitcoin storage.

Nakamoto Holdings Inc. (KDLY), founded by David Bailey, is a public company focused on accumulating Bitcoin as a treasury asset. It holds 8,500 BTC as of May 13, 2025, valued at $714 million at $84,000/BTC, after merging with KindlyMD in May 2025 and raising $710 million. Listed on Nasdaq, it integrates Bitcoin into global capital markets via equity, debt, and hybrid instruments.

QR Asset Management Bitcoin ETF (QBTC11), Latin America’s first Bitcoin ETF launched on June 23, 2021, holds 3,500 BTC as of December 31, 2024, valued at $294 million at $84,000/BTC. It is managed by QR Capital, listed on B3 with a 0.75% management fee, and uses Gemini Custody for Bitcoin storage.

Remixpoint Inc. (3825), via its BITPoint Japan subsidiary, holds 1,000 BTC as of December 31, 2024, valued at $84 million at $84,000/BTC for its crypto exchange operations. It is listed on TSE and has accumulated Bitcoin since August 2016.

Riot Platforms, Inc. (RIOT), a Bitcoin mining company, holds 10,112 BTC as of April 2025, valued at $1.1 billion at $109,114.88/BTC. It operates large-scale facilities in Texas with a mixed energy mix, retaining mined Bitcoin as a treasury asset. Listed on Nasdaq, it began accumulating in March 2021.

Semler Scientific, Inc. (SMLR), a medical technology company, adopted Bitcoin as its primary treasury reserve asset in May 2024, holding 1,058 BTC as of April 2025, valued at $115.4 million at $109,114.88/BTC. It is listed on Nasdaq and continues to accumulate Bitcoin.

SkyBridge Capital, founded by Anthony Scaramucci, manages the SkyBridge Bitcoin Fund L.P., holding approximately 5,289 BTC since December 2020. Its Bitcoin treasury is valued at $444.3 million as of April 2025, with no recent disclosures of corporate holdings beyond fund assets.

Soluna Holdings (SLNH), a US-based Bitcoin mining company, operates renewable energy-powered data centers. It holds 1,200 BTC as of December 2024, valued at $130.9 million at $109,114.88/BTC, and is listed on Nasdaq, accumulating Bitcoin since April 2021.

TeraWulf Inc (WULF), a US-based Bitcoin mining company, operates zero-carbon facilities powered by nuclear and hydroelectric energy. It holds 372 BTC as of March 31, 2025, valued at $40.6 million at $109,114.88/BTC, and is listed on Nasdaq, accumulating Bitcoin since December 2021.

Tesla, Inc. (TSLA), an electric vehicle manufacturer, purchased $1.5 billion in Bitcoin (43,200 BTC) in February 2021, holding 11,509 BTC as of April 2025, valued at $1.26 billion at $109,114.88/BTC. It retains Bitcoin as a treasury asset despite selling 75% of its holdings in 2022. Listed on Nasdaq, it supports Bitcoin payments selectively.

Twenty One Capital (XXI), a Bitcoin-native investment fund backed by Tether, SoftBank, and Cantor Fitzgerald, holds 36,312 BTC as of May 2025, valued at $4.0 billion at $109,114.88/BTC. Launched on April 23, 2025, via SPAC merger, it is listed on Nasdaq and focuses on Bitcoin accumulation for investor exposure.

Valkyrie Bitcoin Fund (BRRR), a spot Bitcoin ETF launched on January 11, 2024, holds 6,554 BTC as of May 2025, valued at $714.8 million at $109,114.88/BTC. Listed on Nasdaq with a 0.25% management fee, it uses Coinbase Custody and BitGo for Bitcoin storage.

Valour Bitcoin ETP (VALBTC), launched on December 2, 2020, holds 3,250 BTC as of May 2025, valued at $354.6 million at $109,114.88/BTC. Managed by Valour, it is listed on Spotlight Stock Market with a 1.90% management fee and uses Coinbase Custody for Bitcoin storage.

VanEck Bitcoin Trust (HODL), launched on January 11, 2024, holds 12,860 BTC as of April 30, 2025, valued at $1.08 billion at $84,000/BTC. It is listed on Cboe BZX with a 0.25% management fee and uses Gemini Custody for Bitcoin storage.

WisdomTree Bitcoin ETP (BTCW), launched on March 9, 2021, holds 6,780 BTC as of April 30, 2025, valued at $569.5 million at $84,000/BTC. It is managed by WisdomTree, listed on SIX Swiss Exchange and XETRA with a 0.95% management fee, and uses Coinbase Custody for Bitcoin storage.

WisdomTree Bitcoin Fund (BTCW), launched on January 11, 2024, holds 6,720 BTC as of April 30, 2025, valued at $564.5 million at $84,000/BTC. It is listed on Cboe BZX with a 0.30% management fee and uses Coinbase Custody for Bitcoin storage.