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
$270M Buy
280,300
+139,800
+100% +$147M 0.03% 320
2025
Q4
$150M Buy
140,500
+37,400
+36% +$40.9M 0.02% 436
2025
Q3
$120M Buy
103,100
+60,200
+140% +$67.3M 0.02% 510
2025
Q2
$45M Sell
42,900
-102,400
-70% -$96.8M 0.01% 835
2025
Q1
$138M Buy
145,300
+19,700
+16% +$19.3M 0.03% 296
2024
Q4
$129M Buy
125,600
+25,200
+25% +$25.6M 0.03% 357
2024
Q3
$95.3M Sell
100,400
-236,200
-70% -$204M 0.02% 405
2024
Q2
$265M Buy
336,600
+276,400
+459% +$216M 0.06% 168
2024
Q1
$50.2M Sell
60,200
-26,200
-30% -$21M 0.01% 631
2023
Q4
$70.1M Sell
86,400
-600
-0.7% -$419K 0.02% 534
2023
Q3
$56.2M Buy
87,000
+22,300
+34% +$15.6M 0.02% 507
2023
Q2
$44.7M Sell
64,700
-6,400
-9% -$4.29M 0.02% 651
2023
Q1
$47.6M Sell
71,100
-36,500
-34% -$25.7M 0.02% 547
2022
Q4
$76.2M Sell
107,600
-24,100
-18% -$16.1M 0.04% 377
2022
Q3
$72.5M Sell
131,700
-12,400
-9% -$8.12M 0.03% 373
2022
Q2
$87.8M Buy
144,100
+39,500
+38% +$25.7M 0.04% 343
2022
Q1
$79.9M Buy
104,600
+13,800
+15% +$10.8M 0.03% 478
2021
Q4
$83.1M Sell
90,800
-28,000
-24% -$25.6M 0.03% 430
2021
Q3
$99.6M Buy
118,800
+55,800
+89% +$50M 0.04% 344
2021
Q2
$55.1M Buy
63,000
+35,000
+125% +$29.6M 0.02% 510
2021
Q1
$21.1M Sell
28,000
-36,900
-57% -$26.8M 0.01% 926
2020
Q4
$46.8M Sell
64,900
-7,000
-10% -$4.64M 0.02% 473
2020
Q3
$40.5M Sell
71,900
-18,500
-20% -$10.6M 0.02% 468
2020
Q2
$49.2M Buy
90,400
+50,000
+124% +$25.2M 0.04% 365
2020
Q1
$17.8M Buy
40,400
+19,500
+93% +$9.61M 0.02% 503
2019
Q4
$10.5M Buy
20,900
+10,700
+105% +$5.08M 0.01% 612
2019
Q3
$4.55M Sell
10,200
-4,500
-31% -$2M 0.01% 1065
2019
Q2
$6.9M Buy
14,700
+6,200
+73% +$2.8M 0.01% 842
2019
Q1
$3.63M Sell
8,500
-14,700
-63% -$6.17M 0.01% 1416
2018
Q4
$9.11M Buy
23,200
+2,800
+14% +$1.15M 0.02% 627
2018
Q3
$9.62M Buy
20,400
+4,300
+27% +$2.09M 0.02% 638
2018
Q2
$8.04M Buy
16,100
+7,600
+89% +$4.02M 0.02% 739
2018
Q1
$4.61M Buy
8,500
+4,600
+118% +$2.53M 0.01% 1042
2017
Q4
$2M Sell
3,900
-21,200
-84% -$10.3M 0.01% 1600
2017
Q3
$11.2M Buy
25,100
+15,100
+151% +$6.45M 0.04% 475
2017
Q2
$4.22M Buy
10,000
+7,900
+376% +$3.15M 0.01% 876
2017
Q1
$805K Sell
2,100
-12,700
-86% -$4.86M ﹤0.01% 2324
2016
Q4
$5.63M Buy
+14,800
New +$5.43M 0.02% 592
2016
Q3
Sell
-1,100
Closed -$377K 3992
2016
Q2
$377K Sell
1,100
-9,100
-89% -$3.2M ﹤0.01% 3056
2016
Q1
$3.47M Buy
10,200
+9,100
+827% +$2.89M 0.02% 762
2015
Q4
$375K Buy
+1,100
New +$374K ﹤0.01% 2809

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.