INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Blume Capital Management, Inc.'s Holding History (CIK: 0001587192)

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

Q2 2025

Shares 2 Value ($000) $0 Avg Close $47.28 Range $32.69 - $55.48

Q2 2024

Shares 40 Value ($000) $5 Avg Close $29.54 Range $26.42 - $31.96

Q1 2024

Shares 75 Value ($000) $8 Avg Close $24.63 Range $20.33 - $27.83

Q4 2023

Shares 159 Value ($000) $13 Avg Close $20.21 Range $17.92 - $22.24

Q3 2023

Shares 159 Value ($000) $14 Avg Close $21.95 Range $20.01 - $23.60

Q2 2023

Shares 159 Value ($000) $13 Avg Close $19.44 Range $17.44 - $21.23

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2	$0	$47.28	$32.69 - $55.48
Q2 2024	40	$5	$29.54	$26.42 - $31.96
Q1 2024	75	$8	$24.63	$20.33 - $27.83
Q4 2023	159	$13	$20.21	$17.92 - $22.24
Q3 2023	159	$14	$21.95	$20.01 - $23.60
Q2 2023	159	$13	$19.44	$17.44 - $21.23