Marshall Wace’s Blackrock BLK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-65,000
Closed -$69.6M 3207
2025
Q4
$69.6M Buy
65,000
+64,596
+15,989% +$70.6M 0.06% 261
2025
Q3
$471K Buy
+404
New +$452K ﹤0.01% 2251
2025
Q1
Sell
-21,313
Closed -$21.8M 2635
2024
Q4
$21.8M Sell
21,313
-118,060
-85% -$120M 0.03% 511
2024
Q3
$132M Buy
+139,373
New +$121M 0.16% 105
2024
Q2
Sell
-20,323
Closed -$16.9M 2560
2024
Q1
$16.9M Sell
20,323
-57,240
-74% -$46M 0.03% 570
2023
Q4
$63M Sell
77,563
-230,209
-75% -$161M 0.11% 192
2023
Q3
$199M Buy
307,772
+88,537
+40% +$61.8M 0.4% 42
2023
Q2
$152M Buy
219,235
+164,864
+303% +$110M 0.3% 63
2023
Q1
$36.4M Buy
+54,371
New +$38.3M 0.08% 287
2022
Q4
Sell
-43,973
Closed -$29.4M 2945
2022
Q3
$24.2M Buy
43,973
+8,322
+23% +$5.45M 0.05% 396
2022
Q2
$21.7M Sell
35,651
-69,198
-66% -$45.1M 0.04% 431
2022
Q1
$80.1M Buy
104,849
+26,467
+34% +$20.7M 0.15% 142
2021
Q4
$71.8M Buy
78,382
+42,271
+117% +$38.6M 0.13% 142
2021
Q3
$30.3M Buy
36,111
+3,815
+12% +$3.42M 0.13% 162
2021
Q2
$28.3M Sell
32,296
-1,079
-3% -$911K 0.13% 166
2021
Q1
$25.2M Sell
33,375
-12,716
-28% -$9.22M 0.12% 183
2020
Q4
$33.3M Sell
46,091
-21,261
-32% -$14.1M 0.18% 114
2020
Q3
$38M Buy
67,352
+66,572
+8,535% +$38M 0.24% 92
2020
Q2
$424K Sell
780
-4,803
-86% -$2.43M ﹤0.01% 1245
2020
Q1
$2.46M Buy
+5,583
New +$2.75M 0.02% 565
2019
Q4
Sell
-676
Closed -$301K 1704
2019
Q3
$301K Sell
676
-2,738
-80% -$1.22M ﹤0.01% 1200
2019
Q2
$1.6M Sell
3,414
-2,904
-46% -$1.31M 0.01% 830
2019
Q1
$2.7M Buy
+6,318
New +$2.65M 0.03% 656
2018
Q2
Sell
-23,704
Closed -$12.8M 707
2018
Q1
$12.8M Buy
+23,704
New +$13M 0.53% 49
2016
Q2
Sell
-75,708
Closed -$25.8M 991
2016
Q1
$25.8M Buy
75,708
+36,960
+95% +$11.7M 0.25% 104
2015
Q4
$13.2M Buy
+38,748
New +$13.2M 0.12% 191
2015
Q3
Sell
-874
Closed -$302K 914
2015
Q2
$302K Sell
874
-9,286
-91% -$3.38M ﹤0.01% 773
2015
Q1
$3.72M Buy
+10,160
New +$3.68M 0.05% 369
2014
Q3
Sell
-8,228
Closed -$2.63M 885
2014
Q2
$2.63M Sell
8,228
-41,531
-83% -$12.7M 0.04% 354
2014
Q1
$15.6M Buy
+49,759
New +$15.2M 0.28% 97

Other funds holding BLK

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.