Parallax Volatility Advisers
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Parallax Volatility Advisers’s Blackrock BLK Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-3,501
Closed -$3.31M 557
2025
Q1
$3.31M Sell
3,501
-14,080
-80% -$13.3M 0.01% 163
2024
Q4
$18M Buy
+17,581
New +$18M 0.04% 57
2024
Q3
Sell
-4,250
Closed -$3.35M 659
2024
Q2
$3.35M Sell
4,250
-16,947
-80% -$13.3M 0.01% 192
2024
Q1
$17.7M Buy
21,197
+12,323
+139% +$10.3M 0.04% 46
2023
Q4
$7.2M Buy
8,874
+6,606
+291% +$5.36M 0.01% 113
2023
Q3
$1.47M Buy
+2,268
New +$1.47M ﹤0.01% 256
2023
Q2
Hold
0
768
2023
Q1
Hold
0
957
2022
Q4
Sell
-14,190
Closed -$7.81M 984
2022
Q3
$7.81M Buy
14,190
+7,019
+98% +$3.86M 0.01% 112
2022
Q2
$4.37M Buy
7,171
+4,642
+184% +$2.83M ﹤0.01% 183
2022
Q1
$1.93M Buy
+2,529
New +$1.93M ﹤0.01% 290
2020
Q4
Sell
-18,232
Closed -$10.3M 979
2020
Q3
$10.3M Sell
18,232
-15,751
-46% -$8.88M 0.01% 191
2020
Q2
$18.5M Sell
33,983
-29,797
-47% -$16.2M 0.02% 85
2020
Q1
$28.1M Buy
63,780
+60,916
+2,127% +$26.8M 0.04% 79
2019
Q4
$1.44M Sell
2,864
-465
-14% -$234K ﹤0.01% 365
2019
Q3
$1.48M Buy
3,329
+2,186
+191% +$974K ﹤0.01% 332
2019
Q2
$536K Buy
1,143
+1,060
+1,277% +$497K ﹤0.01% 422
2019
Q1
$35K Sell
83
-4,080
-98% -$1.72M ﹤0.01% 1083
2018
Q4
$1.64M Buy
+4,163
New +$1.64M ﹤0.01% 293
2018
Q3
Sell
-759
Closed -$379K 1334
2018
Q2
$379K Buy
+759
New +$379K ﹤0.01% 364
2018
Q1
Sell
-10,261
Closed -$5.27M 1382
2017
Q4
$5.27M Buy
+10,261
New +$5.27M 0.01% 112
2017
Q3
Sell
-1,548
Closed -$654K 880
2017
Q2
$654K Buy
+1,548
New +$654K ﹤0.01% 261
2017
Q1
Sell
-464
Closed -$177K 1054
2016
Q4
$177K Buy
464
+171
+58% +$65.2K ﹤0.01% 416
2016
Q3
$106K Sell
293
-1,364
-82% -$493K ﹤0.01% 483
2016
Q2
$568K Buy
+1,657
New +$568K ﹤0.01% 275
2016
Q1
Sell
-1,300
Closed -$443K 722
2015
Q4
$443K Sell
1,300
-4,006
-75% -$1.37M ﹤0.01% 371
2015
Q3
$1.58M Buy
5,306
+2,248
+74% +$669K ﹤0.01% 245
2015
Q2
$1.06M Buy
3,058
+803
+36% +$278K ﹤0.01% 321
2015
Q1
$825K Sell
2,255
-4,165
-65% -$1.52M ﹤0.01% 323
2014
Q4
$2.3M Buy
6,420
+1,872
+41% +$669K 0.01% 225
2014
Q3
$1.49M Buy
4,548
+2,986
+191% +$980K ﹤0.01% 273
2014
Q2
$499K Buy
1,562
+1,147
+276% +$366K ﹤0.01% 395
2014
Q1
$131K Buy
415
+365
+730% +$115K ﹤0.01% 469
2013
Q4
$16K Sell
50
-18
-26% -$5.76K ﹤0.01% 839
2013
Q3
$18K Buy
+68
New +$18K ﹤0.01% 656
2013
Q2
Hold
0
852