BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 65,000 Value ($000) $69,572 Avg Close $1089.41 Range $985.78 - $1214.03
Q3 2025
Shares 404 Value ($000) $471 Avg Close $1108.77 Range $1023.93 - $1177.77
Q4 2024
Shares 21,313 Value ($000) $21,848 Avg Close $991.05 Range $896.06 - $1060.71