INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025
Shares 7,807 Value ($000) $502 Avg Close $66.89 Range $58.88 - $73.26
Q3 2025
Shares 7,815 Value ($000) $538 Avg Close $62.79 Range $53.01 - $70.18
Q2 2025
Shares 8,018 Value ($000) $444 Avg Close $47.28 Range $32.69 - $55.48