Jane Street’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
$61.3M Buy
63,700
+12,700
+25% +$13.4M 0.01% 926
2025
Q4
$54.6M Sell
51,000
-14,000
-22% -$15.3M 0.01% 880
2025
Q3
$75.8M Sell
65,000
-195,000
-75% -$218M 0.01% 724
2025
Q2
$273M Buy
260,000
+245,800
+1,731% +$232M 0.05% 224
2025
Q1
$13.4M Sell
14,200
-22,200
-61% -$21.8M ﹤0.01% 1655
2024
Q4
$37.3M Buy
36,400
+200
+0.6% +$203K 0.01% 850
2024
Q3
$34.4M Sell
36,200
-16,000
-31% -$13.8M 0.01% 881
2024
Q2
$41.1M Sell
52,200
-51,100
-49% -$39.9M 0.01% 801
2024
Q1
$86.1M Sell
103,300
-10,900
-10% -$8.76M 0.02% 411
2023
Q4
$92.7M Buy
114,200
+44,300
+63% +$30.9M 0.02% 414
2023
Q3
$45.2M Sell
69,900
-6,400
-8% -$4.47M 0.01% 602
2023
Q2
$52.7M Sell
76,300
-22,900
-23% -$15.3M 0.02% 574
2023
Q1
$66.4M Buy
99,200
+10,000
+11% +$7.04M 0.03% 420
2022
Q4
$63.2M Sell
89,200
-10,200
-10% -$6.81M 0.03% 435
2022
Q3
$54.7M Sell
99,400
-97,500
-50% -$63.8M 0.02% 483
2022
Q2
$120M Buy
196,900
+129,000
+190% +$84M 0.05% 259
2022
Q1
$51.9M Sell
67,900
-20,900
-24% -$16.3M 0.02% 668
2021
Q4
$81.3M Sell
88,800
-32,100
-27% -$29.3M 0.03% 445
2021
Q3
$101M Sell
120,900
-17,600
-13% -$15.8M 0.04% 339
2021
Q2
$121M Buy
138,500
+32,200
+30% +$27.2M 0.05% 273
2021
Q1
$80.1M Buy
106,300
+34,700
+48% +$25.2M 0.04% 338
2020
Q4
$51.7M Buy
71,600
+38,600
+117% +$25.6M 0.03% 445
2020
Q3
$18.6M Sell
33,000
-16,000
-33% -$9.13M 0.01% 820
2020
Q2
$26.7M Buy
49,000
+21,900
+81% +$11.1M 0.02% 612
2020
Q1
$11.9M Buy
27,100
+12,300
+83% +$6.06M 0.01% 669
2019
Q4
$7.44M Buy
14,800
+1,700
+13% +$807K 0.01% 809
2019
Q3
$5.84M Buy
13,100
+7,300
+126% +$3.25M 0.01% 887
2019
Q2
$2.72M Sell
5,800
-1,400
-19% -$633K ﹤0.01% 1574
2019
Q1
$3.08M Sell
7,200
-57,500
-89% -$24.1M 0.01% 1557
2018
Q4
$25.4M Buy
64,700
+16,800
+35% +$6.88M 0.05% 244
2018
Q3
$22.6M Buy
47,900
+38,500
+410% +$18.7M 0.04% 298
2018
Q2
$4.69M Sell
9,400
-200
-2% -$106K 0.01% 1097
2018
Q1
$5.2M Buy
9,600
+700
+8% +$384K 0.01% 952
2017
Q4
$4.57M Buy
8,900
+6,300
+242% +$3.06M 0.01% 933
2017
Q3
$1.16M Sell
2,600
-4,500
-63% -$1.92M ﹤0.01% 2140
2017
Q2
$3M Buy
7,100
+5,500
+344% +$2.19M 0.01% 1129
2017
Q1
$614K Sell
1,600
-4,300
-73% -$1.64M ﹤0.01% 2638
2016
Q4
$2.25M Buy
5,900
+4,700
+392% +$1.72M 0.01% 1213
2016
Q3
$435K Sell
1,200
-700
-37% -$255K ﹤0.01% 2914
2016
Q2
$651K Buy
1,900
+500
+36% +$176K ﹤0.01% 2476
2016
Q1
$477K Sell
1,400
-3,900
-74% -$1.24M ﹤0.01% 2657
2015
Q4
$1.8M Buy
5,300
+4,600
+657% +$1.56M 0.01% 1173
2015
Q3
$208K Sell
700
-3,900
-85% -$1.26M ﹤0.01% 3151
2015
Q2
$1.59M Buy
4,600
+3,800
+475% +$1.39M 0.01% 1155
2015
Q1
$293K Buy
+800
New +$290K ﹤0.01% 2538

Other funds holding BLK

Jane Street's BLK Position: Q1 2026 in Review

Jane Street reduced its Blackrock (BLK) stake by 56% in Q1 2026, selling an estimated $92.4M and leaving 68,659 shares worth $66M. The position accounts for 0.01% of the portfolio, ranked #887.

Jane Street first reported a position in BLK in Q2 2013 and has held it in 48 quarters since. The position peaked at $174M in Q1 2025. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • Jane Street held 68,659 shares of Blackrock worth $66M as of Q1 2026.
  • Jane Street sold 87,806 Blackrock shares in Q1 2026, an estimated $92.4M.
  • Blackrock made up 0.01% of Jane Street's portfolio in Q1 2026, its #887 holding.
  • Jane Street first reported a position in Blackrock in Q2 2013 and has held it in 48 quarters since.
  • Jane Street's Blackrock position peaked at $174M in Q1 2025.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.