⚠ The Fee Rate Only Goes One WayHigh threat

BlackRock (BLK) — threat to the moat

Assets compounded at 10% a year and revenue fell — nobody left, the price of the service did.

The central risk to BlackRock is not that clients leave. It is that they stay and pay less.

Revenue while assets compounded ~10% a year ($bn)$19.4bn2021$17.9bn2022$17.9bn2023$20.4bn2024$24.2bn2025Three years of flat-to-falling revenue on a growing asset base - then two years of acquisitions
Nobody left in 2022 or 2023. The price of the service fell, and the recovery since was bought rather than earned.

The evidence is in the company's own decade. Assets under management have compounded at about 10% a year over five years1. Revenue was $19,374 million in 2021, $17,873 million in 2022 and $17,859 million in 20232 — three years in which the asset base grew and the revenue line went backwards. Nothing was lost to a competitor in that period. The price of the service fell.

The mechanism is structural and there is no obvious end to it. Index exposure is manufactured by four capable firms; one of them is owned by its own funds and returns scale economies to holders as lower fees by design; two others manufacture funds as an input to businesses that make money elsewhere and have run index products at a management fee of zero. BlackRock cannot win a price war against a competitor with no profit motive and a competitor for whom the product is a marketing expense.

It shows up in the mix rather than in departures. Institutional index assignments arrive in multi-billion-dollar blocks and typically reflect low fee rates3, which is why 29% of long-term assets produce 6% of long-term base fees4. Every large mandate won on those terms grows the headline and dilutes the average.

BlackRock's answer is to change what the money is invested in — alternatives, technology, retail active, private markets. That is the right answer and it has a ceiling: alternatives are 3% of the book5, and doubling that share took roughly $30 billion of acquisitions and two years.

The number that tests this thesis is not disclosed directly and has to be computed: base fees and securities lending revenue divided by average assets under management. If that ratio stabilises over several years, the fee war has been survived and the shares are cheap. If it keeps falling, BlackRock is running to stand still on a base that gets larger and less profitable every year.

The number that tests this threat
Moat Explorer calc
Long-term base fee growth against long-term AUM growth
+30% in fees against +24% in assets, year to Q2 2026

For now the fee rate is rising, on HPS and alternatives; fees growing slower than assets again would restore the threat.

How it's calculated: Long-term base fees Q2 2026 $5,383M vs Q2 2025 $4,150M; long-term AUM $14,276bn at June 2026 vs $11,558bn at June 2025
Source: BlackRock, Inc. Form 10-Q, quarter ended 30 June 2026 ↗
References
  1. ReportedAssets under management have compounded at about 10% a year over five years
    BlackRock, Inc. Form 10-K, FY2025, Item 1 Business — assets under management of $14.0 trillion at 31 December 2025 (long-term $12,960,786M plus cash management $1,080,732M); equity $7,793,875M, fixed income $3,272,021M, multi-asset $1,223,625M, alternatives $423,614M, digital assets $78,435M, currency and commodities $169,216M; five-year AUM CAGR 10%, alternatives 22%, multi-asset 13%, equity 12%, currency and commodities 17%, fixed income 4%; by style, active $3,432,743M, non-ETF index $4,060,333M, ETFs $5,467,710M; approximately 24,900 employees in more than 30 countries serving clients in over 100 — FY2025 · publ. February 2026 · source ↗
  2. ReportedRevenue was $19,374 million in 2021, $17,873 million in 2022 and $17,859 million in 2023 — three years in which the asset base grew and the revenue line went backwards
    BlackRock, Inc. Form 10-K, FY2025, consolidated financial statements — revenue $24,216M (2024 $20,407M, 2023 $17,859M, 2022 $17,873M, 2021 $19,374M); base fees and securities lending $19,179M / $16,100M / $14,399M; performance fees $1,424M / $1,207M / $554M; technology services and subscription $1,981M / $1,603M / $1,485M; distribution fees $1,355M / $1,273M / $1,262M; advisory and other $277M / $224M / $159M; operating income $7,045M at a 29.1% margin (2024 37.1%, 2023 35.1%, 2022 35.7%, 2021 38.5%); net income $5,553M (2024 $6,369M); diluted earnings per share $35.31 (2024 $42.01, 2023 $36.51, 2022 $33.97, 2021 $38.22); as adjusted, operating income $9,600M at 44.1%, net income $7,736M and diluted EPS $48.09 against $43.61; total stockholders' equity $55,888M (2024 $47,495M, 2023 $39,347M) — FY2025 · publ. February 2026 · source ↗
  3. ReportedInstitutional index assignments arrive in multi-billion-dollar blocks and typically reflect low fee rates, which is why 29% of long-term assets produce 6% of long-term base fees
    BlackRock, Inc. Form 10-K, FY2025, Item 1 Business — share of long-term AUM against share of long-term base fees and securities lending revenue: ETFs 42% of AUM and 45% of fees; institutional index $3.7 trillion, 29% of AUM and 6% of fees, with $119 billion of net outflows "driven primarily by a single client's partial redemptions"; institutional active 19% of AUM and 24% of fees; retail 10% of AUM and 25% of fees, of which active and index mutual funds are approximately $860 billion or 70% of retail long-term AUM and approximately 70% of retail long-term AUM is in active products; equity 61% of long-term AUM and 50% of long-term base fees. "Institutional non-ETF index assignments tend to be very large (multi-billion dollars) and typically reflect low fee rates. Net flows in institutional index products generally have a small impact on BlackRock's revenues and earnings." — FY2025 · publ. February 2026 · source ↗
  4. ReportedInstitutional index assignments arrive in multi-billion-dollar blocks and typically reflect low fee rates, which is why 29% of long-term assets produce 6% of long-term base fees
    BlackRock, Inc. Form 10-K, FY2025, Item 1 Business — share of long-term AUM against share of long-term base fees and securities lending revenue: ETFs 42% of AUM and 45% of fees; institutional index $3.7 trillion, 29% of AUM and 6% of fees, with $119 billion of net outflows "driven primarily by a single client's partial redemptions"; institutional active 19% of AUM and 24% of fees; retail 10% of AUM and 25% of fees, of which active and index mutual funds are approximately $860 billion or 70% of retail long-term AUM and approximately 70% of retail long-term AUM is in active products; equity 61% of long-term AUM and 50% of long-term base fees. "Institutional non-ETF index assignments tend to be very large (multi-billion dollars) and typically reflect low fee rates. Net flows in institutional index products generally have a small impact on BlackRock's revenues and earnings." — FY2025 · publ. February 2026 · source ↗
  5. ReportedThat is the right answer and it has a ceiling: alternatives are 3% of the book, and doubling that share took roughly $30 billion of acquisitions and two years
    BlackRock, Inc. Form 10-K, FY2025, Item 1 Business — assets under management of $14.0 trillion at 31 December 2025 (long-term $12,960,786M plus cash management $1,080,732M); equity $7,793,875M, fixed income $3,272,021M, multi-asset $1,223,625M, alternatives $423,614M, digital assets $78,435M, currency and commodities $169,216M; five-year AUM CAGR 10%, alternatives 22%, multi-asset 13%, equity 12%, currency and commodities 17%, fixed income 4%; by style, active $3,432,743M, non-ETF index $4,060,333M, ETFs $5,467,710M; approximately 24,900 employees in more than 30 countries serving clients in over 100 — FY2025 · publ. February 2026 · source ↗
Sources
Generated September 23, 2026