Twin Tree Management’s Western Digital WDC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-43,791
Closed -$1.97M 1970
2024
Q4
$1.97M Buy
+43,791
New +$2.2M ﹤0.01% 1152
2024
Q2
Sell
-132
Closed -$6.82K 1689
2024
Q1
$6.82K Sell
132
-740,219
-100% -$32.4M ﹤0.01% 1208
2023
Q4
$29.3M Buy
+740,351
New +$25.9M 0.06% 344
2020
Q2
Sell
-156,511
Closed -$4.92M 1731
2020
Q1
$4.92M Sell
156,511
-270,421
-63% -$12M 0.02% 491
2019
Q4
$20.5M Sell
426,932
-397,826
-48% -$16.6M 0.07% 218
2019
Q3
$37.2M Buy
824,758
+609,903
+284% +$26M 0.15% 104
2019
Q2
$7.72M Buy
+214,855
New +$7.36M 0.04% 351
2019
Q1
Sell
-204,271
Closed -$5.71M 1629
2018
Q4
$5.71M Hold
204,271
0.04% 460
2018
Q3
$9.04M Sell
204,271
-66,944
-25% -$3.39M 0.06% 273
2018
Q2
$15.9M Buy
271,215
+106,766
+65% +$6.79M 0.1% 171
2018
Q1
$11.5M Sell
164,449
-270,686
-62% -$18.2M 0.09% 187
2017
Q4
$26.2M Buy
435,135
+297,278
+216% +$19.1M 0.19% 81
2017
Q3
$9M Buy
137,857
+11,246
+9% +$746K 0.07% 254
2017
Q2
$8.48M Buy
+126,611
New +$8.41M 0.07% 272
2017
Q1
Sell
-98,564
Closed -$5.06M 1290
2016
Q4
$5.06M Buy
98,564
+12,834
+15% +$592K 0.05% 392
2016
Q3
$3.79M Buy
85,730
+55,698
+185% +$2.1M 0.05% 349
2016
Q2
$1.07M Sell
30,032
-22,756
-43% -$749K 0.02% 641
2016
Q1
$1.89M Buy
52,788
+7,012
+15% +$251K 0.04% 430
2015
Q4
$2.08M Buy
45,776
+37,441
+449% +$1.91M 0.04% 402
2015
Q3
$500K Sell
8,335
-14,421
-63% -$867K 0.01% 786
2015
Q2
$1.35M Buy
22,756
+16,273
+251% +$1.17M 0.03% 532
2015
Q1
$446K Hold
6,483
0.01% 817
2014
Q4
$542K Buy
6,483
+4,631
+250% +$350K 0.02% 759
2014
Q3
$136K Sell
1,852
-15,612
-89% -$1.17M ﹤0.01% 870
2014
Q2
$1.22M Buy
17,464
+2,117
+14% +$142K 0.03% 537
2014
Q1
$1.06M Buy
15,347
+10,981
+252% +$717K 0.02% 608
2013
Q4
$277K Buy
4,366
+1,058
+32% +$59.1K 0.01% 804
2013
Q3
$159K Sell
3,308
-7,408
-69% -$366K 0.01% 729
2013
Q2
$503K Buy
+10,716
New +$470K 0.02% 598

Other funds holding WDC

Twin Tree Management's WDC Position: Q1 2026 in Review

Twin Tree Management reduced its Western Digital (WDC) stake by 99% in Q1 2026, selling an estimated $18.4M and leaving 505 shares worth $137K. The position accounts for ﹤0.01% of the portfolio, ranked #1134.

Twin Tree Management first reported a position in WDC in Q3 2013 and has held it in 38 quarters since. The position peaked at $20.1M in Q3 2025. 1,406 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

  • Twin Tree Management held 505 shares of Western Digital worth $137K as of Q1 2026.
  • Twin Tree Management sold 70,477 Western Digital shares in Q1 2026, an estimated $18.4M.
  • Western Digital made up ﹤0.01% of Twin Tree Management's portfolio in Q1 2026, its #1134 holding.
  • Twin Tree Management first reported a position in Western Digital in Q3 2013 and has held it in 38 quarters since.
  • Twin Tree Management's Western Digital position peaked at $20.1M in Q3 2025.
  • 1,406 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.