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
$66M Sell
68,659
-87,806
-56% -$92.4M 0.01% 887
2025
Q4
$167M Buy
156,465
+46,913
+43% +$51.3M 0.03% 408
2025
Q3
$128M Buy
+109,552
New +$122M 0.02% 482
2025
Q2
Sell
-184,007
Closed -$174M 9651
2025
Q1
$174M Buy
184,007
+138,135
+301% +$135M 0.04% 251
2024
Q4
$47M Buy
45,872
+28,163
+159% +$28.6M 0.01% 721
2024
Q3
$16.8M Sell
17,709
-34,275
-66% -$29.7M ﹤0.01% 1384
2024
Q2
$40.9M Buy
51,984
+39,792
+326% +$31M 0.01% 807
2024
Q1
$10.2M Sell
12,192
-166,486
-93% -$134M ﹤0.01% 1798
2023
Q4
$145M Buy
178,678
+41,739
+30% +$29.1M 0.04% 289
2023
Q3
$88.5M Buy
136,939
+73,851
+117% +$51.6M 0.03% 361
2023
Q2
$43.6M Sell
63,088
-25,957
-29% -$17.4M 0.01% 669
2023
Q1
$59.6M Buy
89,045
+70,979
+393% +$50M 0.02% 458
2022
Q4
$12.8M Sell
18,066
-15,696
-46% -$10.5M 0.01% 1372
2022
Q3
$18.6M Buy
33,762
+31,811
+1,630% +$20.8M 0.01% 1136
2022
Q2
$1.19M Sell
1,951
-3,283
-63% -$2.14M ﹤0.01% 5164
2022
Q1
$4M Sell
5,234
-13,093
-71% -$10.2M ﹤0.01% 3424
2021
Q4
$16.8M Sell
18,327
-1,218
-6% -$1.11M 0.01% 1340
2021
Q3
$16.4M Buy
19,545
+11,457
+142% +$10.3M 0.01% 1276
2021
Q2
$7.08M Buy
8,088
+1,362
+20% +$1.15M ﹤0.01% 2146
2021
Q1
$5.07M Sell
6,726
-72,600
-92% -$52.7M ﹤0.01% 2384
2020
Q4
$57.2M Buy
79,326
+44,547
+128% +$29.5M 0.03% 412
2020
Q3
$19.6M Buy
34,779
+15,007
+76% +$8.56M 0.01% 783
2020
Q2
$10.8M Sell
19,772
-136,338
-87% -$68.8M 0.01% 1133
2020
Q1
$68.7M Buy
156,110
+154,966
+13,546% +$76.4M 0.07% 187
2019
Q4
$575K Sell
1,144
-17
-1% -$8.06K ﹤0.01% 3513
2019
Q3
$517K Sell
1,161
-8,354
-88% -$3.72M ﹤0.01% 3504
2019
Q2
$4.46M Sell
9,515
-20,186
-68% -$9.13M 0.01% 1136
2019
Q1
$12.7M Buy
29,701
+23,020
+345% +$9.66M 0.02% 574
2018
Q4
$2.62M Sell
6,681
-8,926
-57% -$3.66M 0.01% 1449
2018
Q3
$7.36M Buy
15,607
+5,204
+50% +$2.53M 0.01% 796
2018
Q2
$5.19M Sell
10,403
-8,386
-45% -$4.43M 0.01% 1009
2018
Q1
$10.2M Buy
18,789
+15,772
+523% +$8.66M 0.03% 539
2017
Q4
$1.55M Buy
3,017
+1,564
+108% +$760K ﹤0.01% 1841
2017
Q3
$650K Sell
1,453
-11,240
-89% -$4.8M ﹤0.01% 2789
2017
Q2
$5.36M Buy
12,693
+11,964
+1,641% +$4.77M 0.02% 735
2017
Q1
$280K Sell
729
-500
-41% -$191K ﹤0.01% 3510
2016
Q4
$468K Sell
1,229
-3,455
-74% -$1.27M ﹤0.01% 2926
2016
Q3
$1.7M Buy
+4,684
New +$1.7M 0.01% 1367
2016
Q2
Sell
-1,403
Closed -$493K 4058
2016
Q1
$478K Sell
1,403
-7,852
-85% -$2.49M ﹤0.01% 2652
2015
Q4
$3.15M Buy
+9,255
New +$3.15M 0.02% 740
2015
Q2
Sell
-1,333
Closed -$486K 3621
2015
Q1
$488K Sell
1,333
-177
-12% -$64.1K ﹤0.01% 2075
2014
Q4
$540K Buy
1,510
+320
+27% +$109K ﹤0.01% 1414
2014
Q3
$391K Sell
1,190
-4,040
-77% -$1.3M ﹤0.01% 1658
2014
Q2
$1.67M Sell
5,230
-950
-15% -$291K 0.02% 624
2014
Q1
$1.94M Buy
6,180
+5,321
+619% +$1.63M 0.02% 586
2013
Q4
$272K Sell
859
-809
-49% -$242K ﹤0.01% 1737
2013
Q3
$451K Sell
1,668
-7,842
-82% -$2.13M 0.01% 1793
2013
Q2
$2.44M Buy
+9,510
New +$2.55M 0.04% 366

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.