IBKR | INTERACTIVE BROKERS GROUP IN

CUSIP: 45841N107

4 Funds Holding
12.0M Total Shares
$1.1B Total Value
$73.29
Price
$124.6B
Market Cap
33.0
P/E Ratio
26.6
Forward P/E
$2.22
EPS (TTM)
0.44%
Dividend Yield
$105.5B
Cash
$14M
Total Debt
445M
Shares Out
$32.82
$79.18
52-Week Range

Institutional Ownership of INTERACTIVE BROKERS GROUP IN

Fund / Manager Click to search
Shares Value % of Portfolio Cost Basis Est. Return
Cantillon Capital Management|William Von Mueffling
3.3M $545M
3.46%
Egerton Capital|John Armitage
6.9M $446M
4.85%
$41.94 +84.10%
Oakcliff Capital|Bryan Lawrence
1.0M $66M
28.42%
RV Capital AG|Robert Vinall
752.5K $48M
11.27%
$40.50 +90.64%

Trading Activity for INTERACTIVE BROKERS GROUP IN

Fund / Manager Click to search
Action Change Shares After Value Price
2025-Q4
SELL -74.0% 3.3M $545M $66.23
BUY +11.0% 6.9M $446M $66.23
SELL -5.8% 752.5K $48M $66.23
2025-Q3
SELL -1.1% 12.7M $871M $63.32
SELL -22.4% 6.3M $430M $63.32
SELL -6.0% 799.3K $55M $63.32
2025-Q2
BUY +288.7% 12.8M $709M $50.54
BUY +339.3% 8.1M $446M $50.54
BUY +300.0% 1.0M $57M $50.54
BUY +300.0% 849.9K $47M $50.54
2025-Q1
SELL -3.0% 3.3M $545M $49.01
SELL -0.8% 1.8M $304M $49.01
SELL -14.0% 257.7K $43M $49.01
SELL -5.3% 212.5K $35M $49.01
2024-Q4
BUY +0.5% 3.4M $600M $43.98
SELL -45.4% 1.8M $327M $43.98
SELL -1.0% 299.7K $53M $43.98
SELL -28.9% 224.3K $40M $43.98
2024-Q3
BUY +8.0% 3.4M $471M $30.85
SELL -2.9% 3.4M $471M $30.85
BUY +1.8% 315.5K $44M $30.85
2024-Q2
SELL -4.8% 3.5M $426M $30.06
BUY +11.0% 3.1M $384M $30.06
2024-Q1
SELL -2.0% 3.7M $408M $25.26
BUY NEW 2.8M $315M $25.26
SELL -10.9% 302.6K $34M $25.26
2023-Q4
SELL -2.4% 3.7M $309M $20.30
BUY +7.3% 309.9K $26M $20.30
2023-Q3
SELL -0.4% 3.8M $331M $22.39
2023-Q2
BUY +6.4% 3.8M $319M $19.86
BUY +41.7% 288.7K $24M $19.86
2023-Q1
BUY +11.9% 3.6M $298M $20.07
BUY NEW 203.7K $17M $20.07
2022-Q4
BUY +30.3% 3.2M $233M $18.79
SELL -6.0% 339.6K $25M $18.79
2022-Q3
SELL -0.9% 2.5M $158M $15.46
2022-Q2
BUY +12.1% 2.5M $137M $14.72
BUY +20.5% 361.2K $20M $14.72
2022-Q1
BUY +2.9% 2.2M $147M $17.05
BUY +14.5% 299.8K $20M $17.05
2021-Q4
SELL -7.0% 2.2M $172M $18.60
2021-Q3
SELL -1.4% 2.3M $145M $15.76
2021-Q2
SELL -1.6% 2.4M $155M $16.95
2021-Q1
SELL -3.3% 2.4M $175M $18.13
SELL -28.7% 261.8K $19M $18.13
2020-Q4
SELL -0.4% 2.5M $151M $13.16
SELL -5.4% 367.3K $22M $13.16
2020-Q3
SELL -1.0% 2.5M $120M $12.52
SELL EXIT $12.52
2020-Q2
BUY +0.8% 2.5M $105M $10.45
BUY NEW 275.7K $12M $10.45
2020-Q1
SELL -0.3% 2.5M $108M $12.14
BUY +1.1% 388.3K $17M $12.14
2019-Q4
SELL -2.1% 2.5M $117M $11.73
BUY +11.6% 384.0K $18M $11.73
2019-Q3
SELL -0.7% 2.6M $137M $12.52
2019-Q2
SELL -1.7% 2.6M $139M $13.56
2019-Q1
SELL -0.8% 2.6M $136M $13.12
2018-Q4
BUY +0.9% 2.6M $144M $13.40
BUY +20.3% 344.0K $19M $13.40
2018-Q3
BUY +5.7% 2.6M $145M $15.27
BUY +24.6% 286.0K $16M $15.27
2018-Q2
SELL -2.7% 2.5M $159M $18.09
SELL -6.2% 229.5K $15M $18.09
2018-Q1
BUY +24.6% 2.5M $171M $16.55
SELL -23.5% 244.5K $16M $16.55

Insider Trading for INTERACTIVE BROKERS GROUP IN

6 Months Insider Sentiment
100%
Buy $26K Sell $97.9M
1 Buys
49 Sells
-97.8M Net
24 Grants
Largest
$7.7M Nemser
$6.6M Nemser
$6.6M Brody
Date
Insider Click to search
Role Click to search
Type Shares Price Value
Jan 27, 2026 Earl H Nemser Vice Chairman SELL 39.7K $75.07 $3.0M
Jan 27, 2026 Earl H Nemser Vice Chairman SELL 20.5K $75.75 $1.6M
Jan 26, 2026 Earl H Nemser Vice Chairman SELL 60.9K $75.83 $4.6M
Jan 26, 2026 Earl H Nemser Vice Chairman SELL 3.1K $77.98 $242K
Jan 26, 2026 Earl H Nemser Vice Chairman SELL 30.8K $76.72 $2.4M
Jan 23, 2026 Earl H Nemser Vice Chairman SELL 84.9K $77.65 $6.6M
Jan 23, 2026 Earl H Nemser Vice Chairman SELL 60.1K $78.14 $4.7M
Jan 22, 2026 Earl H Nemser Vice Chairman SELL 100.0K $76.81 $7.7M
Jan 01, 2026 Nicole Yuen Director GRANT 389 $64.31 $25K
Jan 01, 2026 William Peterffy Director GRANT 389 $64.31 $25K
Jan 01, 2026 Milan Galik Chief Executive Officer GRANT 389 $64.31 $25K
Jan 01, 2026 Lori A Conkling Director GRANT 389 $64.31 $25K
Jan 01, 2026 Lawrence E Harris Director GRANT 389 $64.31 $25K
Jan 01, 2026 Paul Jonathan Brody Chief Financial Officer GRANT 389 $64.31 $25K
Jan 01, 2026 Earl H Nemser Vice Chairman GRANT 389 $64.31 $25K
Jan 01, 2026 Jill Bright Director GRANT 389 $64.31 $25K
Jan 01, 2026 Richard H Repetto Director GRANT 389 $64.31 $25K
Dec 31, 2025 Denis Mendonca Chief Accounting Officer GRANT 11.2K
Dec 31, 2025 Earl H Nemser Vice Chairman GRANT 389 $64.31 $25K
Dec 31, 2025 Earl H Nemser Vice Chairman GRANT 23.2K
Dec 31, 2025 Jill Bright Director GRANT 389 $64.31 $25K
Dec 31, 2025 Lawrence E Harris Director GRANT 389 $64.31 $25K
Dec 31, 2025 Lori A Conkling Director GRANT 389 $64.31 $25K
Dec 31, 2025 Lori A Conkling Director GRANT 1.2K
Dec 31, 2025 Nicole Yuen Director GRANT 389 $64.31 $25K
Dec 31, 2025 William Peterffy Director GRANT 389 $64.31 $25K
Dec 31, 2025 Thomas AJ Frank Executive Vice President GRANT 13.9K
Dec 31, 2025 Richard H Repetto Director GRANT 389 $64.31 $25K
Dec 31, 2025 Paul Jonathan Brody Chief Financial Officer GRANT 53.5K
Dec 31, 2025 Paul Jonathan Brody Chief Financial Officer GRANT 389 $64.31 $25K
Dec 31, 2025 Milan Galik Chief Executive Officer GRANT 389 $64.31 $25K
Dec 31, 2025 Milan Galik Chief Executive Officer GRANT 224.7K
Oct 29, 2025 Lawrence E Harris Director SELL 10.6K $69.00 $735K
Oct 28, 2025 Lawrence E Harris Director SELL 6.9K $69.15 $474K
Oct 27, 2025 Lawrence E Harris Director SELL 7.5K $69.73 $523K
Oct 24, 2025 Lawrence E Harris Director SELL 8.0K $68.50 $548K
Oct 23, 2025 Lawrence E Harris Director SELL 22.0K $67.63 $1.5M
Oct 23, 2025 Jill Bright Director BUY 400 $65.95 $26K
Sep 30, 2025 Paul Jonathan Brody Chief Financial Officer SELL 1.2K $70.00 $81K
Sep 30, 2025 Paul Jonathan Brody Chief Financial Officer SELL 2.0K $69.30 $137K
Sep 29, 2025 Paul Jonathan Brody Chief Financial Officer SELL 7.4K $67.16 $498K
Sep 29, 2025 Paul Jonathan Brody Chief Financial Officer SELL 8.8K $68.27 $600K
Sep 29, 2025 Paul Jonathan Brody Chief Financial Officer SELL 2.0K $68.70 $139K
Sep 26, 2025 Paul Jonathan Brody Chief Financial Officer SELL 15.5K $65.74 $1.0M
Sep 26, 2025 Paul Jonathan Brody Chief Financial Officer SELL 1.6K $66.15 $105K
Sep 25, 2025 Paul Jonathan Brody Chief Financial Officer SELL 4.2K $65.19 $277K
Sep 25, 2025 Paul Jonathan Brody Chief Financial Officer SELL 8.9K $64.76 $574K
Sep 25, 2025 Paul Jonathan Brody Chief Financial Officer SELL 1.2K $63.81 $75K
Sep 24, 2025 Paul Jonathan Brody Chief Financial Officer SELL 927 $65.54 $61K
Sep 24, 2025 Paul Jonathan Brody Chief Financial Officer SELL 13.5K $64.76 $872K
Sep 23, 2025 Paul Jonathan Brody Chief Financial Officer SELL 6.2K $64.90 $404K
Sep 23, 2025 Paul Jonathan Brody Chief Financial Officer SELL 12.8K $65.49 $838K
Sep 22, 2025 Paul Jonathan Brody Chief Financial Officer SELL 563 $64.61 $36K
Sep 22, 2025 Paul Jonathan Brody Chief Financial Officer SELL 14.6K $63.94 $936K
Sep 19, 2025 Paul Jonathan Brody Chief Financial Officer SELL 140 $65.19 $9K
Sep 19, 2025 Paul Jonathan Brody Chief Financial Officer SELL 50.6K $64.61 $3.3M
Sep 19, 2025 Paul Jonathan Brody Chief Financial Officer SELL 6.9K $64.66 $448K
Sep 18, 2025 Paul Jonathan Brody Chief Financial Officer SELL 7.9K $63.43 $503K
Sep 18, 2025 Paul Jonathan Brody Chief Financial Officer SELL 71.0K $65.05 $4.6M
Sep 18, 2025 Paul Jonathan Brody Chief Financial Officer SELL 37.9K $64.40 $2.4M
Sep 17, 2025 Paul Jonathan Brody Chief Financial Officer SELL 44.7K $62.48 $2.8M
Sep 17, 2025 Paul Jonathan Brody Chief Financial Officer SELL 61.8K $62.06 $3.8M
Sep 16, 2025 Paul Jonathan Brody Chief Financial Officer SELL 587 $62.62 $37K
Sep 16, 2025 Paul Jonathan Brody Chief Financial Officer SELL 98.6K $62.24 $6.1M
Sep 15, 2025 Paul Jonathan Brody Chief Financial Officer SELL 37.5K $63.79 $2.4M
Sep 15, 2025 Paul Jonathan Brody Chief Financial Officer SELL 1.5K $64.26 $96K
Sep 15, 2025 Paul Jonathan Brody Chief Financial Officer SELL 57.3K $62.66 $3.6M
Sep 12, 2025 Paul Jonathan Brody Chief Financial Officer SELL 61.6K $64.19 $4.0M
Sep 12, 2025 Paul Jonathan Brody Chief Financial Officer SELL 35.6K $63.84 $2.3M
Sep 11, 2025 Paul Jonathan Brody Chief Financial Officer SELL 57.9K $62.94 $3.6M
Sep 11, 2025 Paul Jonathan Brody Chief Financial Officer SELL 54.7K $63.54 $3.5M
Sep 10, 2025 Paul Jonathan Brody Chief Financial Officer SELL 104.9K $62.51 $6.6M
Sep 09, 2025 Paul Jonathan Brody Chief Financial Officer SELL 22.5K $61.30 $1.4M
Sep 09, 2025 Paul Jonathan Brody Chief Financial Officer SELL 85.0K $62.02 $5.3M