BlackRockvs.Blackstone
BLK vs BX · both in Asset & alternative managers, part of the Banks, payments & capital markets value chain: The managers that invest other people’s money, from ETFs to private equity and credit.
BlackRock and Blackstone are similar in size by market cap; BlackRock trades at the lower P/E (29.2 vs 52.8); year to date, BlackRock leads (+9.9% vs −7.0%).
Side by side
| BLK | BX | |
|---|---|---|
| Market cap | $192B | $186B |
| Price | $1,173.21 | $143.20 |
| Today | −0.3% | −0.1% |
| Return YTD | +9.9% | −7.0% |
| Return 1Y | +3.5% | −15.4% |
| P/E | 29.2 | 52.8 |
| P/S | 7.0 | 11.5 |
| P/B | 3.3 | 20.6 |
Data as of 2026-08-27 · updates daily after U.S. close
The two companies
BlackRockBLK
iShares made BlackRock the largest asset manager anywhere, with trillions under management and fees charged against that balance. Its Aladdin risk-technology platform sits alongside the funds.
Full BLK profile →BlackstoneBX
Real estate and private equity are the historic core, with credit and infrastructure added since; no alternative-asset manager is bigger. Capital is locked up for years, and Blackstone takes both a management fee and a share of the gains.
Full BX profile →More BLK & BX comparisons
Other head-to-heads in the Asset & alternative managers segment.