Two Sigma Securities’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
$593K Sell
617
-488
-44% -$513K 0.07% 403
2025
Q4
$1.18M Buy
+1,105
New +$1.21M 0.16% 144
2025
Q1
Sell
-1,516
Closed -$1.55M 1496
2024
Q4
$1.55M Buy
+1,516
New +$1.54M 0.21% 85
2024
Q3
Sell
-2,105
Closed -$1.82M 2888
2024
Q2
$1.66M Buy
+2,105
New +$1.64M 0.02% 804
2024
Q1
Sell
-839
Closed -$674K 2994
2023
Q4
$681K Sell
839
-1,038
-55% -$725K 0.01% 1316
2023
Q3
$1.21M Sell
1,877
-1,713
-48% -$1.2M 0.01% 917
2023
Q2
$2.48M Sell
3,590
-4,034
-53% -$2.7M 0.04% 516
2023
Q1
$5.1M Buy
7,624
+6,875
+918% +$4.84M 0.1% 230
2022
Q4
$531K Sell
749
-3,758
-83% -$2.51M 0.02% 1048
2022
Q3
$2.48M Sell
4,507
-35
-0.8% -$22.9K 0.08% 311
2022
Q2
$2.77M Buy
+4,542
New +$2.96M 0.1% 228
2021
Q3
Sell
-1,648
Closed -$1.48M 1562
2021
Q2
$1.44M Buy
1,648
+1,303
+378% +$1.1M 0.04% 319
2021
Q1
$260K Buy
+345
New +$250K 0.01% 498
2020
Q2
Sell
-1,106
Closed -$558K 1372
2020
Q1
$487K Buy
+1,106
New +$545K 0.01% 639
2019
Q4
Sell
-531
Closed -$252K 2329
2019
Q3
$237K Sell
531
-354
-40% -$158K ﹤0.01% 1735
2019
Q2
$415K Buy
885
+21
+2% +$9.5K ﹤0.01% 1239
2019
Q1
$369K Sell
864
-6,474
-88% -$2.72M ﹤0.01% 1046
2018
Q4
$2.88M Buy
7,338
+2,219
+43% +$909K 0.04% 262
2018
Q3
$2.41M Buy
5,119
+2,114
+70% +$1.03M 0.02% 622
2018
Q2
$1.5M Sell
3,005
-4,255
-59% -$2.25M 0.01% 1092
2018
Q1
$3.93M Buy
7,260
+6,489
+842% +$3.56M 0.02% 567
2017
Q4
$396K Buy
+771
New +$375K 0.01% 834
2017
Q3
Sell
-1,976
Closed -$835K 935
2017
Q2
$835K Sell
1,976
-1,525
-44% -$608K 0.16% 118
2017
Q1
$1.34M Buy
+3,501
New +$1.34M 0.26% 66
2016
Q4
Sell
-1,156
Closed -$419K 722
2016
Q3
$419K Buy
+1,156
New +$421K 0.14% 197

Other funds holding BLK

Two Sigma Securities's BLK Position: Q1 2026 in Review

Two Sigma Securities reduced its Blackrock (BLK) stake by 44% in Q1 2026, selling an estimated $513K and leaving 617 shares worth $593K. The position accounts for 0.07% of the portfolio, ranked #403.

Two Sigma Securities first reported a position in BLK in Q3 2016 and has held it in 25 quarters since. The position peaked at $5.1M in Q1 2023. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • Two Sigma Securities held 617 shares of Blackrock worth $593K as of Q1 2026.
  • Two Sigma Securities sold 488 Blackrock shares in Q1 2026, an estimated $513K.
  • Blackrock made up 0.07% of Two Sigma Securities's portfolio in Q1 2026, its #403 holding.
  • Two Sigma Securities first reported a position in Blackrock in Q3 2016 and has held it in 25 quarters since.
  • Two Sigma Securities's Blackrock position peaked at $5.1M in Q1 2023.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.