Join

Compare · BLK vs IBKR

BLK vs IBKR

Side-by-side comparison of BlackRock Inc. (BLK) and Interactive Brokers Group Inc. (IBKR): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both BLK and IBKR operate in Investment Bankers/Brokers/Service (Finance), so they compete in similar markets.
  • BLK is the larger of the two at $162.51B, about 1.1x IBKR ($147.53B).
  • Over the past year, BLK is up 7.0% and IBKR is down 58.5% - BLK leads by 65.5 points.
  • BLK has been more active in the news (16 items in the past 4 weeks vs 9 for IBKR).
  • BLK has more recent analyst coverage (25 ratings vs 14 for IBKR).
PerformanceBLK+7.04%IBKR-58.50%
2025-05-30+0.00%2026-05-29
MetricBLKIBKR
Company
BlackRock Inc.
Interactive Brokers Group Inc.
Price
$1046.57+0.09%
$87.01+4.69%
Market cap
$162.51B
$147.53B
1M return
+0.68%
+12.82%
1Y return
+7.04%
-58.50%
Industry
Investment Bankers/Brokers/Service
Investment Bankers/Brokers/Service
Exchange
NYSE
NASDAQ
IPO
1999
2019
News (4w)
16
9
Recent ratings
25
14
BLK

BlackRock Inc.

BlackRock, Inc. is a publicly owned investment manager. The firm primarily provides its services to institutional, intermediary, and individual investors including corporate, public, union, and industry pension plans, insurance companies, third-party mutual funds, endowments, public institutions, governments, foundations, charities, sovereign wealth funds, corporations, official institutions, and banks. It also provides global risk management and advisory services. The firm manages separate client-focused equity, fixed income, and balanced portfolios. It also launches and manages open-end and closed-end mutual funds, offshore funds, unit trusts, and alternative investment vehicles including structured funds. The firm launches equity, fixed income, balanced, and real estate mutual funds. It also launches equity, fixed income, balanced, currency, commodity, and multi-asset exchange traded funds. The firm also launches and manages hedge funds. It invests in the public equity, fixed income, real estate, currency, commodity, and alternative markets across the globe. The firm primarily invests in growth and value stocks of small-cap, mid-cap, SMID-cap, large-cap, and multi-cap companies. It also invests in dividend-paying equity securities. The firm invests in investment grade municipal securities, government securities including securities issued or guaranteed by a government or a government agency or instrumentality, corporate bonds, and asset-backed and mortgage-backed securities. It employs fundamental and quantitative analysis with a focus on bottom-up and top-down approach to make its investments. The firm employs liquidity, asset allocation, balanced, real estate, and alternative strategies to make its investments. In real estate sector, it seeks to invest in Poland and Germany. The firm benchmarks the performance of its portfolios against various S&P, Russell, Barclays, MSCI, Citigroup, and Merrill Lynch indices. BlackRock, Inc. was founded in 1988 and is based in New York City with additional offices in Boston, Massachusetts; London, United Kingdom; Gurgaon, India; Hong Kong; Greenwich, Connecticut; Princeton, New Jersey; Edinburgh, United Kingdom; Sydney, Australia; Taipei, Taiwan; Singapore; Sao Paulo, Brazil; Philadelphia, Pennsylvania; Washington, District of Columbia; Toronto, Canada; Wilmington, Delaware; and San Francisco, California.

IBKR

Interactive Brokers Group Inc.

Interactive Brokers Group, Inc. operates as an automated electronic broker worldwide. It specializes in executing and clearing trades in stocks, options, futures, foreign exchange instruments, bonds, mutual funds, and exchange traded funds (ETFs). The company custodies and services accounts for hedge and mutual funds, ETFs, registered investment advisors, proprietary trading groups, introducing brokers, and individual investors. In addition, it offers custody, prime brokerage, securities, and margin lending services. The company serves institutional and individual customers through approximately 135 electronic exchanges and market centers. Interactive Brokers Group, Inc. was founded in 1977 and is headquartered in Greenwich, Connecticut.

Latest BLK

Latest IBKR