IBKR
Interactive Brokers Group, Inc.
NASDAQ · Financial Services · Investment - Banking & Investment Services · US
$92.62
−0.36%3
Insider buys (3m)
0
Insider sells (3m)
$6.7K
Net value (3m)
+9.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 2, 2026 | Conkling Lori A · director | Purchase | 25 | $95 |
| Aug 4, 2026 | Nemser Earl H · director, officer: Vice Chairman | A-Award | 803,568 | $88 |
| Aug 4, 2026 | Conkling Lori A · director | Purchase | 25 | $87 |
| Jul 1, 2026 | Conkling Lori A · director | Purchase | 25 | $88 |
| Jun 2, 2026 | Conkling Lori A · director | Purchase | 25 | $86 |
| May 28, 2026 | Frank Thomas AJ · officer: Executive Vice President | F-InKind | 31,730 | $84 |
| May 28, 2026 | Galik Milan · director, officer: Chief Executive Officer | F-InKind | 255,039 | $84 |
| May 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | F-InKind | 22,486 | $84 |
| May 28, 2026 | Brody Paul Jonathan · director, officer: Chief Financial Officer | F-InKind | 82,920 | $84 |
| May 28, 2026 | Mendonca Denis · officer: Chief Accounting Officer | F-InKind | 11,157 | $84 |
| May 4, 2026 | Conkling Lori A · director | Purchase | 25 | $80 |
| Apr 29, 2026 | Harris Lawrence E · director | Sale | 26,000 | $77 |
| Apr 2, 2026 | Conkling Lori A · director | Purchase | 25 | $68 |
| Mar 26, 2026 | Conkling Lori A · director | Purchase | 50 | $73 |
| Mar 26, 2026 | Conkling Lori A · director | Purchase | 25 | $69 |
| Jan 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 20,469 | $76 |
| Jan 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 39,731 | $75 |
| Jan 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 3,101 | $78 |
| Jan 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 30,817 | $77 |
| Jan 28, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 60,882 | $76 |
| Jan 26, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 84,935 | $78 |
| Jan 26, 2026 | Nemser Earl H · director, officer: Vice Chairman | Sale | 100,000 | $77 |
| Jan 26, 2026 | Repetto Richard H · director | A-Award | 389 | $64 |
| Jan 26, 2026 | Yuen Nicole · director | A-Award | 389 | $64 |
| Jan 26, 2026 | Bright Jill · director | A-Award | 389 | $64 |
| Jan 26, 2026 | Conkling Lori A · director | A-Award | 389 | $64 |
| Jan 26, 2026 | Harris Lawrence E · director | A-Award | 389 | $64 |
| Jan 26, 2026 | Galik Milan · director, officer: Chief Executive Officer | A-Award | 389 | $64 |
| Jan 26, 2026 | Brody Paul Jonathan · director, officer: Chief Financial Officer | A-Award | 389 | $64 |
| Jan 26, 2026 | Nemser Earl H · director, officer: Vice Chairman | A-Award | 389 | $64 |
Institutional positioning
13F filings over the trailing two quarters
New 338Increased 794Reduced 729Sold out 74
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 33,129,663 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 31,375,037 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 28,349,920 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 28,180,361 | May 15, 2026 |
| STATE STREET CORP | Increased | 19,437,767 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 19,092,105 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 14,984,545 | May 8, 2026 |
| FMR LLC | Increased | 12,501,284 | May 15, 2026 |
| FMR LLC | Reduced | 11,828,151 | Aug 13, 2026 |
| CANTILLON CAPITAL MANAGEMENT LLC | Reduced | 11,245,881 | May 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 10,641,906 | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 10,443,607 | May 15, 2026 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Reduced | 10,016,215 | May 14, 2026 |
| GREENWICH WEALTH MANAGEMENT LLC | Increased | 9,924,043 | May 12, 2026 |
| Greenwich Wealth Management LLC | Reduced | 9,921,755 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 2, 2026