BlackRock, Inc. (BLK) vs Interactive Brokers Group, Inc. (IBKR)

A side-by-side comparison of BlackRock, Inc. and Interactive Brokers Group, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnBLK vs IBKR

growth of $100 · dividends reinvested · last 10y
BLK +275.2% (+14.1%/yr)IBKR +1005.0% (+27.2%/yr)IBKR compounded faster over this window
5001kStart $10020182020202220242026$375$1,105
BLK IBKR

BLK vs IBKR: by the numbers

  • BLK is the larger company ($165.81B vs $156.72B market cap).
  • BLK trades at the lower trailing earnings multiple (25.57 vs 36.28 P/E), one valuation lens rather than an overall verdict.
  • BLK converts more revenue to profit (24.09% vs 10.14% net margin).
  • IBKR grew revenue faster over the past five years (32.59% vs 8.61% CAGR).
  • BLK pays the higher dividend yield (2.03% vs 0.27%).

Metrics side by side

Valuation

MetricBLKIBKR
P/E ratio25.5736.28
Forward P/E19.0233.58
P/S ratio6.0714.11
P/B ratio2.8826.54

Profitability

MetricBLKIBKR
Gross margin46.70%93.34%
Operating margin31.12%87.09%
Net margin24.09%10.14%
ROE11.41%19.07%

Dividends

MetricBLKIBKR
Dividend yield2.03%0.27%
Payout ratio52.29%9.90%

Growth (annualized)

MetricBLKIBKR
Revenue CAGR (5Y)8.61%32.59%
EPS CAGR (5Y)2.20%29.60%
Total return CAGR (5Y)5.88%42.97%

Frequently asked

Which has the lower trailing P/E, BLK or IBKR?
BLK has the lower trailing P/E: BLK trades at 25.57 and IBKR at 36.28. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, BLK or IBKR?
Over the past five years, IBKR grew revenue faster — BLK at a 8.61% CAGR versus IBKR at 32.59%.
Does BLK or IBKR pay a bigger dividend?
BLK yields 2.03% and IBKR yields 0.27% based on trailing dividends and the latest price.
Is BLK or IBKR more profitable?
BLK runs the higher net margin — BLK at 24.09% versus IBKR at 10.14%.
How have BLK and IBKR total returns compared?
Over the past 10 years, BLK delivered 14.32% and IBKR delivered 27.14% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.