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November 2025 IBIT net assets: $69.8B snapshot and late‑month flow turn

November 2025 IBIT net assets reached $69.83B as of Nov 26, highlighting the BlackRock iShares Bitcoin Trust IBIT's dominant role in spot bitcoin ETF flows. The article details fund metrics, recent inflows and outflows, comparisons with ETHA, and the significance of CME CF reference rates for benchmarking.

November 2025 IBIT net assets reached $69.83B as of Nov 26, according to BlackRock’s fund page. Shares outstanding were 1.36976B, and the fund tracks the CME CF Bitcoin Reference Rate, New York Variant.

November 2025 IBIT net assets: $69.83B snapshot

By the numbers:

  • Net assets: $69,833,377,238 (as of Nov 26).
  • Shares outstanding: 1,369,760,000.
  • Benchmark: CME CF Bitcoin Reference Rate, New York Variant.
  • Issuer: BlackRock iShares Bitcoin Trust IBIT.

Zoom in: The BlackRock iShares Bitcoin Trust IBIT has become a central liquidity venue for spot bitcoin exposure this year. Consequently, the latest level anchors how traders frame demand into the final days of November.

Timeline: November 2025 bitcoin ETF flows

November 2025 bitcoin ETF flows were choppy. Mid‑month, U.S. spot bitcoin ETFs posted heavy red days before IBIT flipped back to inflows late in the month.

By the numbers:

  • Nov 18: IBIT net outflow of $523.2m.
  • Nov 20: U.S. spot bitcoin ETFs saw $903.2m in net outflows.
  • Nov 25: IBIT recorded an $83.0m net inflow.
  • Nov 26: IBIT added a further $42.8m in net inflows.

Context: These flow prints come alongside updated assets for both BlackRock vehicles, suggesting a steadier footing into month end. Therefore, traders are watching whether the late month tone carries into December.

ETHA net assets: $11.0B as of Nov 26

BlackRock’s iShares Ethereum Trust ETF (ETHA) closed Nov 26 with $10.97B in assets and 480.44M shares outstanding. Its benchmark is the CME CF Ether‑Dollar Reference Rate, New York Variant.

Zoom in: iShares Ethereum Trust ETHA assets now represent a meaningful second pillar for U.S. spot crypto ETPs. Moreover, the fund’s scale helps frame relative risk appetite between bitcoin and ether.

IBIT sponsor fee: 0.25%

The IBIT sponsor fee 0.25% is confirmed on BlackRock’s product materials. Notably, BlackRock also lists the same rate across regional presentations of the fund.

The upshot: Pricing remains straightforward during a period of rising volumes. In practice, the IBIT sponsor fee 0.25% continues to be a key part of cost comparisons across spot bitcoin ETPs.

CME CF New York reference rate for IBIT and ETHA

Both funds track a CME CF New York reference rate variant. IBIT uses the CME CF Bitcoin Reference Rate, New York Variant, while ETHA uses the CME CF Ether‑Dollar Reference Rate, New York Variant.

Why it matters: The CME CF New York reference rate alignment standardizes how each vehicle measures its underlying market. As a result, it helps investors interpret performance and premium/discount behavior consistently across products.

Canada check: IBIT.U and IBIT assets on Nov 26, 27

BlackRock also reports assets for its Canadian listings. The USD‑denominated iShares Bitcoin ETF (IBIT.U) showed CAD 372.67M in assets as of Nov 27. Meanwhile, the CAD‑denominated iShares Bitcoin ETF (IBIT) showed CAD 358.42M as of Nov 26.

Zoom in: These Canadian figures provide a cross border view of demand for spot bitcoin ETP exposure. Additionally, they give context for liquidity across listings tied to the same underlying asset.

Scale check: what November 2025 IBIT net assets signal

As of Nov 26, IBIT’s $69.83B and 1.37B shares outstanding dwarf ETHA’s $10.97B and 480.44M shares. That gap underscores bitcoin’s larger footprint in spot ETP allocations.

By the numbers:

  • November 2025 IBIT net assets: $69.83B; shares outstanding: 1.36976B.
  • iShares Ethereum Trust ETHA assets: $10.97B; shares outstanding: 480.44M.

The BlackRock iShares Bitcoin Trust IBIT scale also sets expectations for trading depth. Furthermore, the CME CF New York reference rate alignment ensures both products report against comparable, time anchored benchmarks.

What’s next: daily flow updates and fund disclosures

What’s next: Expect ongoing daily flow prints as month end approaches. Market participants will watch whether late November 2025 bitcoin ETF flows remain net positive or revert.

Action items for readers:

  • Track daily U.S. spot bitcoin ETF flow tallies.
  • Check the IBIT and ETHA fund pages for asset and share updates.
  • Monitor Canada’s IBIT.U and IBIT for cross border confirmation of demand.

The upshot: November 2025 IBIT net assets set a high bar into month end. Still, flows will ultimately determine whether momentum builds in early December.

Sources

  1. BlackRock, iShares Bitcoin Trust ETF | IBIT
  2. BlackRock, iShares Ethereum Trust ETF | ETHA
  3. BlackRock, iShares Bitcoin Trust ETF | IBIT (Brazil)
  4. BlackRock, iShares Bitcoin ETF | IBIT.U | USD (Canada)
  5. BlackRock, iShares Bitcoin ETF | IBIT | CAD (Canada)
  6. Farside Investors, Bitcoin ETF Flow – All Data (US$m)
  7. BlackRock, iShares Bitcoin Trust (IBIT) | Spot Bitcoin ETP | BlackRock
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