INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 24,975 Value ($000) $1,606 Avg Close $66.89 Range $58.88 - $73.26

Q1 2025

Shares 9,363 Value ($000) $1,550 Avg Close $49.31 Range $39.14 - $58.82

Q3 2024

Shares 180 Value ($000) $25 Avg Close $30.72 Range $25.70 - $34.63

Q4 2023

Shares 386 Value ($000) $32 Avg Close $20.21 Range $17.92 - $22.24

Q3 2023

Shares 459 Value ($000) $40 Avg Close $21.95 Range $20.01 - $23.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,975	$1,606	$66.89	$58.88 - $73.26
Q1 2025	9,363	$1,550	$49.31	$39.14 - $58.82
Q3 2024	180	$25	$30.72	$25.70 - $34.63
Q4 2023	386	$32	$20.21	$17.92 - $22.24
Q3 2023	459	$40	$21.95	$20.01 - $23.60