what's ishares bitcoin trust?
The iShares Bitcoin Trust is a spot Bitcoin exchange-traded fund (ETF) launched by BlackRock, one of the world's largest asset managers, under its iShares brand. It provides investors with indirect exposure to Bitcoin by holding actual Bitcoin in custody, aiming to track the performance of Bitcoin's spot price minus fees and expenses. The ETF trades on major U.S. stock exchanges, allowing traditional investors to gain access to Bitcoin through familiar brokerage accounts without needing to manage cryptocurrency wallets or exchanges directly. Unlike futures-based Bitcoin funds, the iShares Bitcoin Trust directly purchases and stores Bitcoin through regulated custodians, ensuring security and compliance with U.S. securities regulations. It is not registered as an investment company under the Investment Company Act of 1940, operating instead as a trust that issues shares backed by Bitcoin holdings. Investors buy shares of the trust, which represent a fractional ownership of the underlying Bitcoin reserves. The product democratizes Bitcoin investment by integrating it into conventional portfolios, subject to the same regulatory oversight as other ETFs. It appeals to institutional and retail investors seeking Bitcoin exposure without the complexities of direct crypto ownership, while BlackRock handles custody, trading, and reporting to maintain transparency and liquidity.
iShares Bitcoin Trust had $34.7M inflow Apr 13, after $612.1M weekly inflows, largest share.
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x.com/isharesExperienced net inflow of $34.70 million on April 13, 2026
Recorded net inflows of $612.1 million during the week ending April 11, 2026, representing the largest share of the $822.9 million in total spot Bitcoin ETF flows for that week.
Recorded $358M in single-day inflows with zero outflows, contributing to total spot Bitcoin ETF assets reaching $93B.
Recorded inflow of $269.3 million on April 9, 2026, the best single-day inflow since early March 2026.
Posted net inflow of 567 Bitcoin ($40.67 million) on April 8, 2026 (ET), the largest single-day net inflow among U.S. spot Bitcoin ETFs, with trading volume of $2.5 billion.
Added as a tokenized asset on Ondo Finance's platform in March 2026.
Experienced a net outflow of $17.50 million on April 7, 2026.
Recorded net inflow of $181.88 million on April 6, 2026.
Recorded net inflows of $16.4 million for the week ending April 4, 2026.
Recorded net outflow of 45 Bitcoin ($3.01 million) on April 2, 2026, with trading volume of $1.3 billion.
Trades $16-18 billion daily volume, nearly matching Binance's spot volumes and more than doubling Coinbase's $6-8 billion daily activity.
Saw net outflow of 1,270 Bitcoin ($86.56 million) on April 1, 2026, with trading volume of $1.3 billion.
BlackRock amended S-1/A filing with SEC for iShares Bitcoin Premium Income ETF (BITA), a covered call income ETF holding Bitcoin via IBIT, selling call options for premium, and paying dividends.
Posted net inflow of $1,398.6 million (19,311 Bitcoin) in March 2026.
Recorded net inflow of 1,451 Bitcoin ($98.10 million) on March 31, 2026 with trading volume of $2.0 billion.
Declined 23% year-to-date in 2026 as of April 1st.
Received net inflow of 113 Bitcoin ($7.67 million) on March 30, 2026, with trading volume of $1.6 billion.
Generated $174.6 million in management fees in 2025, representing a 267% increase from $47.5 million in the prior year.
Reached approximately $23.21 billion in options open interest as of March 26, 2026.
Recorded net outflow of $158 million for the week ending March 28, 2026.
Recorded $41.9M in net outflows on March 26, 2026.
Experienced net outflows on March 26, 2026, as part of approximately 2,400 BTC in total outflows from spot Bitcoin ETFs that day.
Experienced net outflow of 68 Bitcoin ($4.76 million) on March 24, 2026.
Recorded trading volume of $2.2 billion on March 24, 2026.
Received over $2 billion in inflows during the 30-day period ending on 2026-03-24.
NYSE Arca and NYSE American removed 25,000-contract limit on options for iShares Bitcoin Trust (IBIT), effective March 23, 2026.
Recorded net inflows of $190.6 million for the week ending March 21, 2026.
Experienced net outflow of $45.9441 million on March 20, 2026, marking the third consecutive day of outflows for spot Bitcoin ETFs. Posted 544 Bitcoin ($37.71 million) outflow on March 19, 2026, with $2.3 billion trading volume.
Experienced a net outflow of $163.56 million across all Bitcoin ETFs on March 18, 2026, ending a 7-day inflow streak, with IBIT (BlackRock) recording -$33.94 million, FBTC (Fidelity) -$103.84 million, BITB (Bitwise) -$6.96 million, and GBTC (Grayscale) -$18.82 million.
Recorded net inflow of 2,267 Bitcoin ($168.27 million) on March 17, 2026, its 7th consecutive day of inflows, also the largest single-day inflow among Bitcoin ETFs that day, with trading volume of $1.7 billion.
Recorded net inflow of 1,882 Bitcoin ($139.4 million) on March 16, 2026, the highest among US Bitcoin spot ETFs that day, and $137.6 million on April 10, 2026.
Recorded trading volume of $2.6 billion on March 16, 2026.
Approved by the SEC for use as collateral in cross-margining setups, enabling hedge funds and institutions to use holdings in the trust for equity options trading and other margin requirements.
Recorded net inflows of $600.1 million during the week ending March 14, 2026.
Recorded net inflow of $144 million on March 13, 2026, with weekly inflows totaling $767M. BlackRock IBIT led Friday's inflows with $180M, bringing total net assets to $91.8B.
Posted +1.5% net AUM inflows since the Iran war began, contrasting with -2.7% outflows from GLD, per JPMorgan.
Received net inflows of 658 Bitcoin ($46M) on March 12, 2026, extending a four-day positive streak for spot Bitcoin ETFs.
Achieved trading volume of $1.7 billion on March 12, 2026.
Received net inflows of $500 million on March 5, 2026. Maintained positive year-to-date flows, ranking in the top 2% as of March 24, 2026, despite a 40% six-month price decline and Bitcoin declining over 50%.
Posted net inflow of 1,633 Bitcoin ($115.51 million) on March 11, 2026, the largest single-day net inflow among U.S. spot Bitcoin ETFs.
Achieved trading volume of $1.9 billion on March 11, 2026.
Recorded net inflow of $153.49 million on March 10, 2026, leading all US spot Bitcoin ETFs that day.
Recorded net inflow of $109.3 million on 2026-03-09.
Experienced $201.5M single-day net outflow, with weekly net outflows of $303M, ranking as the largest seller among Bitcoin ETFs. Spot Bitcoin ETFs collectively saw $296M weekly net outflows, breaking a 4-week inflow streak.
Recorded total outflows of $2.1 billion over a five-week period in 2026.
Received net inflows of $660 million for the week ending March 7, 2026.
Experienced a net outflow of $143.5 million on 2026-03-06.
Experienced net outflow of $88.7 million and 1,220 BTC on March 5, 2026, marking the largest single-day outflow among all Bitcoin spot ETFs.
Experienced a net outflow of 1,390 BTC ($101.05 million) on 2026-03-06 with trading volume of $4.8 billion.
Received spot Bitcoin ETF inflows exceeding $1.1 billion during the week ending March 4th, 2026, as total spot Bitcoin ETF inflows surpassed $1.6B over the past month.
Received net inflows of $306.6 million on 2026-03-04.
Holds 777,000 BTC, maintaining position as largest Bitcoin holder.
Recorded net inflow of $322.4 million on 2026-03-03, largest in five months.
BlackRock launched IBIT advertisements in NYC subway, featuring 'the next era of investing'.
Accumulated 11,054 BTC ($767.5M) in a single day on March 3, 2026, marking a five-month high for daily Bitcoin accumulation.
Received >$500M in inflows during the week ending February 28, 2026, including ~1.5% of assets since February 27, 2026.
Holds $55 billion in assets under management.
Reached $61.303 billion in cumulative historical net inflows as of February 20, 2026.
Achieved trading volume of $2.4 billion on February 20, 2026.
Recorded $64.46 million net inflows (953 Bitcoin) on February 20, 2026, marking the largest single-day net inflow among Bitcoin spot ETFs.
Experienced a net outflow of $164.1 million on 2026-02-19.
Experienced net outflows of $84.2 million on February 18, 2026.
Millennium purchased $500,000,000 worth of IBIT, adding 13.8 million shares to hold 2.5% of shares outstanding, making it the largest holder.
Experienced net outflow of $119.80 million on February 17, 2026. Sold $119,800,000 worth of Bitcoin on February 18, 2026.
Laurore Ltd disclosed a $436M stake (8.79M shares) in IBIT as its sole portfolio position, becoming the largest new shareholder as of year-end filing.
Mubadala Investment Company and Al Warda Investments held over $1 billion in holdings by end of 2025, representing approximately 21 million shares.
Mubadala holds $630.6 million in IBIT positions; Jane Street also accumulating.
Jane Street purchased $276 million worth of IBIT in Q4 2025, increasing their exposure by 54%.
Jane Street purchased $276 million worth of IBIT in Q4 2026, increasing their exposure by 54%.
Al Warda Investment, linked to the Abu Dhabi Investment Council, holds 8,218,712 iShares Bitcoin Trust shares after adding to its position in Q4 2025.
Alpine Fox LP holds a $41 million position in iShares Bitcoin Trust through shares and call options.
Mubadala Investment Co PJSC increased its IBIT stake by 46% in Q4 to 12,702,323 shares worth $488M, adding 3,975,351 shares.
Experienced net outflows of $234.4 million during the week ending February 17, 2026, marking the 4th consecutive week of outflows.
Jane Street accumulated 7,105,206 shares worth $276M in Q4 2025, holding a total position of 20,315,780 shares valued at $790M, becoming the second-largest net buyer and second largest position this year.
Experienced redemptions of only 0.2% of assets under management during a recent market sell-off period.
Experienced net outflows of $9.36M on February 13, 2026, as part of BlackRock's total crypto fund outflows of $18.6M.
Holds 768,000+ BTC in custody with over $62B in assets under management as of February 12, 2026.
Experienced net outflow of $72.92 million on February 11, 2026.
Options trading hit record level, accounting for more than half of total options volume.
Recorded net inflow of $26.5 million on February 10, 2026.
Experienced net outflow of $20.9 million on 2026-02-09.
Recorded approximately $10 billion in trading volume during February 5-9, 2026.
Experienced whale selling of native BTC to enter the trust for access to its high liquidity option market.
Traded 2.33 million options contracts with $900 million in premiums February 5-9, 2026, with puts slightly dominating call volume; serves as underlying asset for the BVIV-US Index (Volmex Bitcoin ETF Volatility), tracked on Volmex Charts, TradingView, Bloomberg, and LSEG Data & Analytics under ticker $BVUS.
Processed approximately $3 billion in in-kind creations by October 2025, allowing holders to deposit Bitcoin directly in exchange for ETF shares.
Assets under management fell from $100 billion to $60 billion.
Enabled one-way swap transactions for Asian Bitcoin holders into IBIT-style rails before in-kind redemption was available, with Galaxy being the only desk capable of facilitating these swaps.
Experienced net outflows of $175 million on February 5, 2026, and $1.25 billion over a 3-day period ending February 8, 2026.
Experienced net outflow of $373.4 million on February 4, 2026.
Recorded ETF inflows exceeding $200 million on both February 2nd and February 3rd, 2026.
Recorded net inflow of $142 million on February 2, 2026.
Dollar-weighted investor returns turned negative for the first time as Bitcoin declined into the mid-$70,000s range, erasing cumulative gains.
Experienced net outflows of $136.5 million in January 2026.
Reached $50 billion AUM from $25 billion in less than 50 trading days.
Achieved a top 5 trading volume day of all time on January 29, 2026.
experienced net outflow of $14.2 million on 2026-01-28
Recorded net inflow of $15.9 million on 2026-01-26.
experienced net outflows of $56.9 million on 2026-01-20
partnered with BlackRock and Delaware Life Insurance Company to enable the industry's first fixed indexed annuity with Bitcoin exposure using IBIT
Recorded net inflows of $1,034.9 million during the week ending January 17, 2026.