BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025

Shares 1,439 Value ($000) $1,540 Avg Close $1089.41 Range $985.78 - $1214.03

Q1 2025

Shares 1,931 Value ($000) $2 Avg Close $961.85 Range $885.02 - $1062.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,439	$1,540	$1089.41	$985.78 - $1214.03
Q1 2025	1,931	$2	$961.85	$885.02 - $1062.44