Marshall Wace’s Blackrock BLK Stock Holding History

Marshall Wace’s Portfolio BLK Stock Details BLK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q2	–	Sell	-7,300	Closed	-$5.86M	–	2559
2024 Q1	$5.86M	Buy	+7,300	New	+$5.86M	0.01%	942
2023 Q1	–	Sell	-23,800	Closed	-$16.9M	–	2670
2022 Q4	$16.9M	Buy	+23,800	New	+$15.9M	0.04%	529

Other funds holding BLK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Marshall Wace's BLK Position: Q1 2026 in Review

Marshall Wace sold out of Blackrock (BLK) in Q1 2026, closing a stake of 65,000 shares — an estimated $69.6M sold.

Marshall Wace first reported a position in BLK in Q1 2014 and held it in 30 quarters. The position peaked at $199M in Q3 2023. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

Marshall Wace reported no remaining Blackrock position as of Q1 2026 after selling out during the quarter.
Marshall Wace sold 65,000 Blackrock shares in Q1 2026, an estimated $69.6M.
Marshall Wace first reported a position in Blackrock in Q1 2014 and held it in 30 quarters.
Marshall Wace's Blackrock position peaked at $199M in Q3 2023.
2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.