Interactive Brokers Group, Inc. IBKR
We take great care to ensure that the data presented and summarized in this overview for Interactive Brokers Group, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding IBKR
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Vanguard Group Inc Valley Forge, PA41.8MShares$2.83 Billion0.04% of portfolio
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State Street Corp Boston, MA15.1MShares$1.02 Billion0.03% of portfolio
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William Von Mueffling Cantillon Capital Management LLC12.8MShares$866 Million4.63% of portfolio
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Kayne Anderson Rudnick Investment Management LLC Los Angeles, CA12.5MShares$845 Million1.74% of portfolio
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Greenwich Wealth Management LLC Greenwich, CT10.9MShares$735 Million29.22% of portfolio
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Orbis Allan Gray LTD Hamilton, D09.74MShares$659 Million3.54% of portfolio
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Black Rock Inc. New York, NY9.3MShares$629 Million0.03% of portfolio
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Wellington Management Group LLP Boston, MA9.27MShares$627 Million0.1% of portfolio
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John Armitage Egerton Capital (Uk) LLP8.06MShares$545 Million5.53% of portfolio
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Bank Of America Corp Charlotte, NC7.59MShares$514 Million0.03% of portfolio
Latest Institutional Activity in IBKR
Top Purchases
Top Sells
About IBKR
Interactive Brokers Group, Inc. operates as an automated electronic broker worldwide. The company specializes in executing, clearing, and settling trades in stocks, options, futures, foreign exchange instruments, bonds, mutual funds, exchange traded funds (ETFs), metals, and cryptocurrencies. It also 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 150 electronic exchanges and market centers. Interactive Brokers Group, Inc. was founded in 1977 and is headquartered in Greenwich, Connecticut.
Insider Transactions at IBKR
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Aug 14
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
53,900
-6.12%
|
$3,449,600
$64.04 P/Share
|
|
Aug 13
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
7,600
-0.33%
|
$494,000
$65.6 P/Share
|
|
Aug 12
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
194,086
-15.76%
|
$13,003,762
$67.63 P/Share
|
|
Aug 11
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-1.92%
|
$847,506
$66.09 P/Share
|
|
Aug 08
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-0.95%
|
$834,665
$65.77 P/Share
|
|
Aug 07
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-0.93%
|
$821,824
$64.14 P/Share
|
|
Aug 06
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-0.91%
|
$808,983
$63.82 P/Share
|
|
Aug 05
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-0.89%
|
$821,824
$64.24 P/Share
|
|
Aug 04
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-1.75%
|
$821,824
$64.54 P/Share
|
|
Aug 01
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
12,841
-0.43%
|
$821,824
$64.28 P/Share
|
|
Jul 31
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
14,641
-0.97%
|
$966,306
$66.45 P/Share
|
|
Jul 30
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
39,786
-5.06%
|
$2,625,876
$66.48 P/Share
|
|
Jul 30
2025
|
Earl H Nemser Vice Chairman |
BUY
Grant, award, or other acquisition
|
Indirect |
400,000
+34.48%
|
$26,400,000
$66.22 P/Share
|
|
Jul 30
2025
|
Paul Jonathan Brody Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Indirect |
1,000,000
+50.0%
|
$66,000,000
$66.22 P/Share
|
|
Jul 28
2025
|
Earl H Nemser Vice Chairman |
SELL
Open market or private sale
|
Indirect |
100
-0.03%
|
$6,500
$65.9 P/Share
|
|
Jun 23
2025
|
Earl H Nemser Vice Chairman |
SELL
Bona fide gift
|
Direct |
500
-0.12%
|
-
|
|
May 09
2025
|
Paul Jonathan Brody Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
22,192
-2.98%
|
$4,105,520
$185.6 P/Share
|
|
May 09
2025
|
Denis Mendonca Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,467
-6.37%
|
$456,395
$185.6 P/Share
|
|
May 09
2025
|
Thomas Aj Frank Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
8,212
-10.87%
|
$1,519,220
$185.6 P/Share
|
|
May 09
2025
|
Earl H Nemser Vice Chairman |
SELL
Payment of exercise price or tax liability
|
Direct |
5,178
-4.61%
|
$957,930
$185.6 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 1.51M shares |
|---|---|
| Open market or private purchase | 135 shares |
| Other acquisition or disposition | 224K shares |
| Bona fide gift | 401K shares |
|---|---|
| Payment of exercise price or tax liability | 102K shares |
| Other acquisition or disposition | 224K shares |
| Open market or private sale | 400K shares |