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
View all-
Vanguard Group Inc Valley Forge, PA52.9MShares$3.49 Billion0.06% of portfolio
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State Street Corp Boston, MA18.6MShares$1.23 Billion0.05% of portfolio
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William Von Mueffling Cantillon Capital Management LLC12.7MShares$836 Million5.41% of portfolio
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Kayne Anderson Rudnick Investment Management LLC Los Angeles, CA12.2MShares$804 Million2.14% of portfolio
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Wellington Management Group LLP Boston, MA10.9MShares$720 Million0.14% of portfolio
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Greenwich Wealth Management LLC Greenwich, CT10.4MShares$685 Million35.59% of portfolio
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Geode Capital Management, LLC Boston, MA10.3MShares$683 Million0.05% of portfolio
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Orbis Allan Gray LTD Hamilton, D09.54MShares$630 Million3.66% of portfolio
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Black Rock Inc. New York, NY9.3MShares$614 Million0.03% of portfolio
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Jpmorgan Chase & CO New York, NY9.05MShares$598 Million0.04% 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 |
|---|---|---|---|---|---|
|
Dec 31
2025
|
Paul Jonathan Brody Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
53,841
+0.9%
|
$1,722,912
$32.15 P/Share
|
|
Dec 31
2025
|
William Peterffy |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.84%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Nicole Yuen |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.84%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Denis Mendonca Chief Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
11,156
+6.66%
|
-
|
|
Dec 31
2025
|
Lori A Conkling |
BUY
Grant, award, or other acquisition
|
Direct |
1,556
+35.0%
|
$49,792
$32.15 P/Share
|
|
Dec 31
2025
|
Earl H Nemser Vice Chairman |
BUY
Grant, award, or other acquisition
|
Direct |
23,629
+2.49%
|
$756,128
$32.15 P/Share
|
|
Dec 31
2025
|
Thomas Aj Frank Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
13,944
+4.69%
|
-
|
|
Dec 31
2025
|
Milan Galik Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
225,039
+3.05%
|
$7,201,248
$32.15 P/Share
|
|
Dec 31
2025
|
Richard H Repetto |
BUY
Grant, award, or other acquisition
|
Direct |
389
+12.77%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Jill Bright |
BUY
Grant, award, or other acquisition
|
Direct |
389
+3.51%
|
$24,896
$64.31 P/Share
|
|
Dec 31
2025
|
Lawrence E Harris |
BUY
Grant, award, or other acquisition
|
Direct |
389
+0.2%
|
$24,896
$64.31 P/Share
|
|
Dec 29
2025
|
Milan Galik Chief Executive Officer |
SELL
Other acquisition or disposition
|
Indirect |
895,688
-100.0%
|
-
|
|
Oct 29
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
10,645
-5.08%
|
$734,505
$69.0 P/Share
|
|
Oct 28
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
6,855
-3.17%
|
$472,995
$69.15 P/Share
|
|
Oct 27
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
7,500
-3.35%
|
$517,500
$69.73 P/Share
|
|
Oct 24
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
8,000
-3.45%
|
$544,000
$68.5 P/Share
|
|
Oct 23
2025
|
Lawrence E Harris |
SELL
Open market or private sale
|
Direct |
22,000
-8.67%
|
$1,474,000
$67.63 P/Share
|
|
Oct 23
2025
|
Jill Bright |
BUY
Open market or private purchase
|
Direct |
400
+3.74%
|
$26,000
$65.95 P/Share
|
|
Sep 30
2025
|
Paul Jonathan Brody Chief Financial Officer |
SELL
Open market or private sale
|
Indirect |
3,134
-16.98%
|
$216,246
$69.65 P/Share
|
|
Sep 29
2025
|
Paul Jonathan Brody Chief Financial Officer |
SELL
Open market or private sale
|
Indirect |
18,227
-28.35%
|
$1,239,436
$68.04 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 1.73M shares |
|---|---|
| Open market or private purchase | 535 shares |
| Bona fide gift | 97.2K shares |
|---|---|
| Payment of exercise price or tax liability | 102K shares |
| Open market or private sale | 1.45M shares |
| Other acquisition or disposition | 896K shares |