Blackrock BLK Market capitalization
Market capitalization at other companies
Other financials
Where this comes from
Computed from the period-end share price: $149.59B.
The official record: Blackrock’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →
Ask your AI about Blackrock's market capitalization.
Connect your AI assistant and compare it to peers, right in your chat.
Connect your AI

Claude
Questions, answered.
- What is Blackrock's market capitalization?
- Blackrock (BLK) reported market capitalization of $149.59B in Q1 2026.
- How has Blackrock's market capitalization changed year-over-year?
- Blackrock's market capitalization increased by 1.8% year-over-year, from $146.94B to $149.59B.
- What is the long-term trend for Blackrock's market capitalization?
- Over 2 years (2022 to 2025), Blackrock's market capitalization has grown at a 27.7% compound annual growth rate (CAGR), from $397.86B to $649.24B.
- What does market capitalization mean?
- What the stock market says the company's equity is worth.
- How do you interpret market capitalization?
- A size and market-sentiment gauge, not a quality measure — interpret through valuation ratios (P/E, P/S) that relate it to fundamentals.
- How does market capitalization compare across companies?
- Comparable across companies as a size class; the input to every equity-price valuation multiple.