BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

NORTH STAR ASSET MANAGEMENT INC's Holding History (CIK: 0001056559)

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

Q4 2025

Shares 619 Value ($000) $663 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 619 Value ($000) $722 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 626 Value ($000) $657 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 295 Value ($000) $279 Avg Close $961.85 Range $885.02 - $1062.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	619	$663	$1089.41	$985.78 - $1214.03
Q3 2025	619	$722	$1108.77	$1023.93 - $1177.77
Q2 2025	626	$657	$933.09	$762.34 - $1044.14
Q1 2025	295	$279	$961.85	$885.02 - $1062.44