Two Sigma Investments
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Two Sigma Investments’s Western Digital WDC Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$31.1M Sell
486,516
-105,402
-18% -$6.74M 0.06% 391
2025
Q1
$23.9M Sell
591,918
-197,964
-25% -$8M 0.05% 415
2024
Q4
$47.1M Sell
789,882
-575,408
-42% -$34.3M 0.1% 223
2024
Q3
$93.2M Sell
1,365,290
-416,073
-23% -$28.4M 0.2% 114
2024
Q2
$135M Sell
1,781,363
-107,522
-6% -$8.15M 0.31% 74
2024
Q1
$129M Sell
1,888,885
-204,936
-10% -$14M 0.3% 73
2023
Q4
$110M Buy
2,093,821
+2,047,321
+4,403% +$107M 0.25% 97
2023
Q3
$2.12M Sell
46,500
-16,724
-26% -$763K 0.01% 1282
2023
Q2
$2.4M Sell
63,224
-250,597
-80% -$9.51M 0.01% 1250
2023
Q1
$11.8M Buy
313,821
+267,321
+575% +$10.1M 0.03% 504
2022
Q4
$1.47M Buy
+46,500
New +$1.47M ﹤0.01% 1445
2022
Q1
Sell
-347,565
Closed -$22.7M 3160
2021
Q4
$22.7M Buy
+347,565
New +$22.7M 0.05% 392
2021
Q3
Sell
-16,844
Closed -$1.2M 3032
2021
Q2
$1.2M Buy
16,844
+6,800
+68% +$484K ﹤0.01% 1596
2021
Q1
$670K Sell
10,044
-337,943
-97% -$22.5M ﹤0.01% 1746
2020
Q4
$19.3M Buy
+347,987
New +$19.3M 0.06% 347
2020
Q3
Hold
0
2412
2020
Q2
Hold
0
2419
2020
Q1
Sell
-121,321
Closed -$7.7M 2451
2019
Q4
$7.7M Sell
121,321
-27,638
-19% -$1.75M 0.02% 601
2019
Q3
$8.88M Sell
148,959
-621,014
-81% -$37M 0.03% 471
2019
Q2
$36.6M Buy
769,973
+759,768
+7,445% +$36.1M 0.12% 197
2019
Q1
$490K Sell
10,205
-863,852
-99% -$41.5M ﹤0.01% 1656
2018
Q4
$32.3M Buy
+874,057
New +$32.3M 0.13% 206
2018
Q3
Hold
0
2389
2018
Q2
Sell
-1,232,588
Closed -$114M 2408
2018
Q1
$114M Sell
1,232,588
-349,928
-22% -$32.3M 0.38% 44
2017
Q4
$126M Buy
1,582,516
+1,577,313
+30,315% +$125M 0.41% 35
2017
Q3
$450K Sell
5,203
-10,532
-67% -$911K ﹤0.01% 1573
2017
Q2
$1.39M Sell
15,735
-19,301
-55% -$1.71M 0.01% 1228
2017
Q1
$2.89M Sell
35,036
-104,392
-75% -$8.62M 0.01% 990
2016
Q4
$9.47M Sell
139,428
-330,160
-70% -$22.4M 0.04% 490
2016
Q3
$27.5M Sell
469,588
-888,710
-65% -$52M 0.1% 215
2016
Q2
$64.2M Sell
1,358,298
-1,560,037
-53% -$73.7M 0.28% 75
2016
Q1
$138M Buy
2,918,335
+1,009,334
+53% +$47.7M 0.66% 12
2015
Q4
$115M Buy
1,909,001
+822,055
+76% +$49.4M 0.55% 27
2015
Q3
$86.3M Buy
1,086,946
+561,663
+107% +$44.6M 0.44% 51
2015
Q2
$41.2M Buy
525,283
+128,858
+33% +$10.1M 0.19% 133
2015
Q1
$36.1M Sell
396,425
-772,589
-66% -$70.3M 0.17% 163
2014
Q4
$129M Buy
1,169,014
+183,509
+19% +$20.3M 0.72% 12
2014
Q3
$95.9M Buy
985,505
+938,780
+2,009% +$91.4M 0.43% 50
2014
Q2
$4.31M Buy
+46,725
New +$4.31M 0.02% 751
2014
Q1
Sell
-461,563
Closed -$38.7M 2289
2013
Q4
$38.7M Buy
461,563
+326,572
+242% +$27.4M 0.21% 112
2013
Q3
$8.56M Sell
134,991
-32,810
-20% -$2.08M 0.05% 379
2013
Q2
$10.4M Buy
+167,801
New +$10.4M 0.07% 337