Marshall Wace
BLK icon

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
-10,000
Closed -$8.03M – 2561
2024
Q1 		$8.03M Buy
+10,000
New +$8.03M 0.01% 824
2023
Q3 		– Sell
-13,100
Closed -$9.05M – 2208
2023
Q2 		$9.05M Buy
+13,100
New +$8.77M 0.02% 778
2023
Q1 		– Sell
-18,000
Closed -$12.8M – 2671
2022
Q4 		$12.8M Buy
18,000
+9,900
+122% +$6.61M 0.03% 681
2022
Q3 		$4.46M Buy
+8,100
New +$5.3M 0.01% 1448

Other funds holding BLK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Marshall Wace's BLK Position: Q2 2026 in Review

Marshall Wace opened a new position in Blackrock (BLK) in Q2 2026: 128,063 shares worth $123M. The stake represents 0.1% of the portfolio and ranks #167 among its holdings. This is a return to the name: Marshall Wace previously reported a position in BLK as recently as Q4 2025.

Marshall Wace first reported a position in BLK in Q1 2014 and has held it in 31 quarters since. The position peaked at $199M in Q3 2023. 2,328 funds tracked by Wall St. Rank hold BLK as of Q2 2026.

  • Marshall Wace held 128,063 shares of Blackrock worth $123M as of Q2 2026.
  • Blackrock was a new Marshall Wace position in Q2 2026.
  • Blackrock made up 0.1% of Marshall Wace's portfolio in Q2 2026, its #167 holding.
  • Marshall Wace first reported a position in Blackrock in Q1 2014 and has held it in 31 quarters since.
  • Marshall Wace's Blackrock position peaked at $199M in Q3 2023.
  • 2,328 funds tracked by Wall St. Rank held Blackrock as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.