INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Game Creek Capital, LP's Holding History (CIK: 0001731132)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 42,300 Value ($000) $2,505 Avg Close $12.95 Range $10.63 - $14.82