BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 66,600 Value ($000) $71,284 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 70,010 Value ($000) $81,623 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 69,482 Value ($000) $72,904 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 65,808 Value ($000) $62,286 Avg Close $961.85 Range $885.02 - $1062.44

Q4 2024

Shares 52,623 Value ($000) $53,945 Avg Close $991.05 Range $896.06 - $1060.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66,600	$71,284	$1089.41	$985.78 - $1214.03
Q3 2025	70,010	$81,623	$1108.77	$1023.93 - $1177.77
Q2 2025	69,482	$72,904	$933.09	$762.34 - $1044.14
Q1 2025	65,808	$62,286	$961.85	$885.02 - $1062.44
Q4 2024	52,623	$53,945	$991.05	$896.06 - $1060.71