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IBKR —
INTERACTIVE BROKERS GROUP IN
CUSIP: 45841N107 · Held by 7 superinvestors · Combined value: $1,638,263,292
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| # | Investor | % of Portfolio | Value ($) | Shares | Recent Activity | Share Change |
|---|---|---|---|---|---|---|
| 1 | William Von Mueffling | 4.4% | $820,589,426 | 12,759,904 | ADD | +95,878 |
| 2 | John Armitage | 4.8% | $446,284,454 | 6,939,581 | ADD | +685,447 |
| 3 | Ken Griffin | 0.0% | $185,626,570 | 2,886,434 | REDUCE | -407,592 |
| 4 | Bryan Lawrence | 28.4% | $66,286,889 | 1,030,740 | - | - |
| 5 | Robert Vinall | 11.3% | $48,391,860 | 752,478 | REDUCE | -46,789 |
| 6 | Jim Simons | 0.1% | $39,640,362 | 616,395 | REDUCE | -347,245 |
| 7 | Ray Dalio | 0.1% | $31,443,731 | 488,940 | REDUCE | -93,830 |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| John Armitage | ADD | +685,447 | +11.0% |
| William Von Mueffling | ADD | +95,878 | +0.8% |
| Jim Simons | REDUCE | -347,245 | -36.0% |
| Ken Griffin | REDUCE | -407,592 | -12.4% |
| Ray Dalio | REDUCE | -93,830 | -16.1% |
| Robert Vinall | REDUCE | -46,789 | -5.9% |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| Ray Dalio | NEW BUY | +582,770 | New |
| Ken Griffin | ADD | +117,227 | +3.7% |
| Jim Simons | REDUCE | -1,015,300 | -51.3% |
| John Armitage | REDUCE | -1,802,710 | -22.4% |
| Robert Vinall | REDUCE | -50,653 | -6.0% |
| William Von Mueffling | REDUCE | -139,605 | -1.1% |
Who Owns IBKR? Superinvestor Holdings
INTERACTIVE BROKERS GROUP IN is held by 7 tracked superinvestors, with a combined position value of $1.6 billion . The largest positions are held by William Von Mueffling (4.4% of portfolio), John Armitage (4.8% of portfolio), Ken Griffin (0.0% of portfolio).
In the most recent quarter, 2 superinvestors added or initiated positions while 4 reduced or exited.