BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

MainStreet Investment Advisors LLC's Holding History (CIK: 0001729854)

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

Q4 2025

Shares 17,406 Value ($000) $18,630 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 18,846 Value ($000) $21,972 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 19,950 Value ($000) $20,933 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 20,552 Value ($000) $19,452 Avg Close $961.85 Range $885.02 - $1062.44

Q4 2024

Shares 21,348 Value ($000) $21,884 Avg Close $991.05 Range $896.06 - $1060.71

Q3 2024

Shares 21,882 Value ($000) $20,777 Avg Close $840.24 Range $753.79 - $929.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,406	$18,630	$1089.41	$985.78 - $1214.03
Q3 2025	18,846	$21,972	$1108.77	$1023.93 - $1177.77
Q2 2025	19,950	$20,933	$933.09	$762.34 - $1044.14
Q1 2025	20,552	$19,452	$961.85	$885.02 - $1062.44
Q4 2024	21,348	$21,884	$991.05	$896.06 - $1060.71
Q3 2024	21,882	$20,777	$840.24	$753.79 - $929.01