Stocks › IBKR
Interactive Brokers Group, Inc.
IBKR·Nasdaq·
United States·USD
United States·USD$90.58
+1.53 (+1.72%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
IBKR
Interactive Brokers Group, Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
IBKRS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of IBKR by members of U.S. Congress · 20 on record · 6 in the last 12 months
Whale Activity
Position changes in IBKR reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| CONGRESS ASSET MANAGEMENT CO | 1.5M | $128.3M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by IBKR insiders, by quarter · Form 4
Recent Insider Transactions
4,157 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Conkling Lori ADirector · Director | Purchase | +25 | $85.42 | $2K | Oct 1, 2026 | Form 4 ↗ |
| Conkling Lori ADirector · Director | Purchase | +25 | $94.53 | $2K | Sep 1, 2026 | Form 4 ↗ |
| Conkling Lori ADirector · Director | Purchase | +25 | $87.03 | $2K | Aug 3, 2026 | Form 4 ↗ |
| Conkling Lori ADirector · Director | Purchase | +25 | $88.03 | $2K | Jul 1, 2026 | Form 4 ↗ |
| Conkling Lori ADirector | Purchase | +25 | $86.10 | $2K | Jun 1, 2026 | Form 4 ↗ |
| Brody Paul JonathanChief Financial Officer · Director | Tax withholding | −82.9K | $84.42 | $7.0M | May 8, 2026 | Form 4 ↗ |
| Mendonca DenisChief Accounting Officer | Tax withholding | −11.2K | $84.42 | $942K | May 8, 2026 | Form 4 ↗ |
| Galik MilanChief Executive Officer · Director | Tax withholding | −255.0K | $84.42 | $21.5M | May 8, 2026 | Form 4 ↗ |
| Frank Thomas AJExecutive Vice President | Tax withholding | −31.7K | $84.42 | $2.7M | May 8, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Tax withholding | −22.5K | $84.42 | $1.9M | May 8, 2026 | Form 4 ↗ |
| Conkling Lori ADirector | Purchase | +25 | $79.64 | $2K | May 1, 2026 | Form 4 ↗ |
| Harris Lawrence EDirector | Sale | −26.0K | $76.93 | $2.0M | Apr 28, 2026 | Form 4 ↗ |
| Conkling Lori ADirector | Purchase | +25 | $68.38 | $2K | Apr 1, 2026 | Form 4 ↗ |
| Conkling Lori ADirector | Purchase | +25 | $69.21 | $2K | Mar 2, 2026 | Form 4 ↗ |
| Conkling Lori ADirector | Purchase | +50 | $73.21 | $4K | Feb 25, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Sale | −20.5K | $75.75 | $1.6M | Jan 27, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Sale | −39.7K | $75.07 | $3.0M | Jan 27, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Sale | −3,101 | $77.98 | $242K | Jan 26, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Sale | −30.8K | $76.72 | $2.4M | Jan 26, 2026 | Form 4 ↗ |
| Nemser Earl HVice Chairman · Director | Sale | −60.9K | $75.83 | $4.6M | Jan 26, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding IBKR · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 13.4M | $1.17B | 0.05% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 11.5M | $1.00B | 0.06% | Jun 30, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 6.1M | $533.4M | 0.06% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 5.7M | $495.7M | 0.06% | May 31, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 5.4M | $469.9M | 0.06% | Jun 30, 2026 |
| Fidelity Magellan Fund | 5.2M | $451.9M | 1.20% | Jun 30, 2026 |
| Invesco American Franchise Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) | 3.6M | $315.4M | 1.73% | May 31, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 4.6M | $306.4M | 0.15% | Mar 31, 2026 |
| Ultra Fund American Century Mutual Funds, Inc. | 3.5M | $304.4M | 1.18% | Jul 31, 2026 |
| State Street(R) Financial Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 3.0M | $262.3M | 0.51% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list IBKR's shares (CUSIP 45841N107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Interactive Brokers Group, Inc. as client
No lobbying filings found naming Interactive Brokers Group, Inc. as the client.
Government Contracts
Federal awards to Interactive Brokers Group, Inc. · USAspending
No federal contract awards found for Interactive Brokers Group, Inc..
U.S. Patents
Recent USPTO applications naming Interactive Brokers Group, Inc.
No USPTO patent applications found for Interactive Brokers Group, Inc..
Annual Financials
From IBKR's 10-K filings · XBRL
No annual XBRL figures on record for IBKR. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 4-for-1Stock splitJun 18, 2025
Split dates and ratios from the price history · Close Prices from Tiingo.com
About Interactive Brokers Group, Inc.
From SEC EDGAR company records
Industry (SIC 6211)Security Brokers, Dealers & Flotation Companies
SectorFinancials
HeadquartersGREENWICH, CT
IncorporatedDE
SEC CIK0001381197 ↗