BlackRock (BLK) vs Interactive Brokers Group (IBKR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Interactive Brokers Group (IBKR) has outperformed BlackRock (BLK) over the past year, gaining 26.5% versus a loss of 8.3%. Over five years, IBKR leads with a +393.7% price change compared with +17.9% for BLK. BlackRock is the larger company by market cap ($173.79 billion vs $149.49 billion), about 1.2 times the size.
On valuation, BlackRock trades at a lower forward P/E (16.7x vs 27.0x for Interactive Brokers Group). BlackRock offers the higher dividend yield (2.05% vs 0.37%). Interactive Brokers Group converts more of its revenue into profit, with a net margin of 178.6% versus 22.9%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | BLK | IBKR |
|---|---|---|
| Share price | $1,069.63 | $87.74 |
| Market cap | $173.79B | $149.49B |
| 1-day change | -0.91% | -3.14% |
| YTD return | -0.07% | +36.43% |
| 1-year return | -8.28% | +26.52% |
| 5-year return | +17.90% | +393.68% |
| P/E ratio (TTM) | 25.60 | 34.82 |
| Forward P/E | 16.67 | 26.95 |
| EPS (TTM) | $41.78 | $2.52 |
| Dividend yield | 2.05% | 0.37% |
| Annual dividend | $21.88 | $0.328 |
| Revenue (latest FY) | $24.22B | $2.44B |
| Revenue growth (YoY) | +89.28% | +23.42% |
| Net income (latest FY) | $5.55B | $4.36B |
| Operating margin | 29.09% | — |
| Net margin | 22.93% | 178.57% |
| 52-week high | $1,219.94 | $98.75 |
| 52-week low | $917.39 | $58.95 |
| Distance from 52-week high | -12.32% | -11.15% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +23.02% | +19.89% |
| Average volume | 633.36K | 4.11M |
| Shares outstanding | 154.87M | 453.08M |
| Employees | 26,200 | 3,265 |
| Sector | Finance | Finance |
| Industry | Investment Bankers/Brokers/Service | Investment Bankers/Brokers/Service |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- IBKR has outperformed BLK by 34.8 percentage points over the past year.
- Interactive Brokers Group trades at a higher earnings multiple (34.8x vs 25.6x trailing P/E).
- BlackRock offers a meaningfully higher dividend yield (2.05% vs 0.37%).
- Interactive Brokers Group is more profitable, keeping 178.6 cents of every revenue dollar as net income versus 22.9 cents for BlackRock.
- BlackRock grew revenue faster in its latest fiscal year (+89.28% vs +23.42%).
About BlackRock
BLK stock →BlackRock, Inc. is a publicly owned investment manager.
Finance · Investment Bankers/Brokers/Service · 26,200 employees
About Interactive Brokers Group
IBKR stock →Interactive Brokers Group, Inc. operates as an automated electronic broker in the United States and internationally.
Finance · Investment Bankers/Brokers/Service · 3,265 employees
BLK vs IBKR FAQ
Which is bigger, BlackRock or Interactive Brokers Group?
BlackRock (BLK) is larger, with a market capitalization of $173.79B compared with $149.49B for Interactive Brokers Group (IBKR).
Which stock has performed better over the past year, BLK or IBKR?
IBKR returned +26.52% over the past 12 months, compared with -8.28% for BLK (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, BLK or IBKR?
BLK has the lower trailing P/E at 25.6, versus 34.8 for IBKR. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, BlackRock or Interactive Brokers Group?
BlackRock has the higher yield at 2.05%, compared with 0.37% for Interactive Brokers Group.
Are BlackRock and Interactive Brokers Group in the same industry?
Yes. Both are classified in the Investment Bankers/Brokers/Service industry within the Finance sector.