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 | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $514K | Sell |
1,900
-55,900
| -97% | -$14.6M | 0.01% | 923 |
|
|
2025
Q4 | $9.96M | Sell |
57,800
-168,600
| -74% | -$25.6M | 0.09% | 287 |
|
|
2025
Q3 | $27.2M | Sell |
226,400
-217,500
| -49% | -$17.8M | 0.11% | 204 |
|
|
2025
Q2 | $28.4M | Sell |
443,900
-130,900
| -23% | -$6.23M | 0.05% | 350 |
|
|
2025
Q1 | $23.2M | Buy |
574,800
+166,258
| +41% | +$7.89M | 0.04% | 379 |
|
|
2024
Q4 | $18.4M | Buy |
408,542
+326,648
| +399% | +$16.4M | 0.03% | 492 |
|
|
2024
Q3 | $4.23M | Buy |
81,894
+5,689
| +7% | +$287K | 0.01% | 952 |
|
|
2024
Q2 | $4.36M | Buy |
76,205
+16,141
| +27% | +$895K | 0.01% | 797 |
|
|
2024
Q1 | $3.1M | Buy |
60,064
+8,467
| +16% | +$371K | 0.01% | 921 |
|
|
2023
Q4 | $2.04M | Buy |
51,597
+45,643
| +767% | +$1.6M | ﹤0.01% | 1053 |
|
|
2023
Q3 | $205K | Buy |
+5,954
| New | +$188K | ﹤0.01% | 1075 |
|
|
2022
Q2 | – | Sell |
-509,090
| Closed | -$19.1M | – | 1885 |
|
|
2022
Q1 | $19.1M | Buy |
509,090
+19,183
| +4% | +$787K | 0.03% | 487 |
|
|
2021
Q4 | $24.1M | Buy |
489,907
+33,869
| +7% | +$1.47M | 0.05% | 355 |
|
|
2021
Q3 | $19.5M | Sell |
456,038
-351,521
| -44% | -$16.7M | 0.04% | 368 |
|
|
2021
Q2 | $43.4M | Buy |
807,559
+495,728
| +159% | +$26.8M | 0.12% | 181 |
|
|
2021
Q1 | $15.7M | Sell |
311,831
-353,770
| -53% | -$16.5M | 0.06% | 335 |
|
|
2020
Q4 | $27.9M | Sell |
665,601
-426,668
| -39% | -$14.2M | 0.11% | 200 |
|
|
2020
Q3 | $30.2M | Buy |
1,092,269
+1,033,925
| +1,772% | +$30.7M | 0.12% | 177 |
|
|
2020
Q2 | $1.95M | Sell |
58,344
-368,059
| -86% | -$11.9M | 0.01% | 891 |
|
|
2020
Q1 | $13.4M | Sell |
426,403
-638,480
| -60% | -$28.3M | 0.06% | 263 |
|
|
2019
Q4 | $51.1M | Buy |
1,064,883
+810,867
| +319% | +$33.8M | 0.18% | 90 |
|
|
2019
Q3 | $11.5M | Buy |
+254,016
| New | +$10.8M | 0.05% | 288 |
|
|
2019
Q2 | – | Sell |
-22,094
| Closed | -$803K | – | 1585 |
|
|
2019
Q1 | $803K | Buy |
+22,094
| New | +$756K | ﹤0.01% | 875 |
|
|
2018
Q3 | – | Sell |
-211,019
| Closed | -$12.3M | – | 1315 |
|
|
2018
Q2 | $12.3M | Sell |
211,019
-98,960
| -32% | -$6.3M | 0.08% | 227 |
|
|
2018
Q1 | $21.6M | Sell |
309,979
-286,165
| -48% | -$19.3M | 0.17% | 95 |
|
|
2017
Q4 | $35.8M | Buy |
596,144
+540,049
| +963% | +$34.8M | 0.27% | 61 |
|
|
2017
Q3 | $3.66M | Buy |
56,095
+49,215
| +715% | +$3.27M | 0.03% | 446 |
|
|
2017
Q2 | $461K | Sell |
6,880
-220,941
| -97% | -$14.7M | ﹤0.01% | 754 |
|
|
2017
Q1 | $14.2M | Sell |
227,821
-80,306
| -26% | -$4.61M | 0.13% | 156 |
|
|
2016
Q4 | $15.8M | Sell |
308,127
-207,049
| -40% | -$9.55M | 0.15% | 158 |
|
|
2016
Q3 | $22.8M | Buy |
515,176
+327,971
| +175% | +$12.4M | 0.29% | 61 |
|
|
2016
Q2 | $6.69M | Buy |
187,205
+160,083
| +590% | +$5.27M | 0.1% | 205 |
|
|
2016
Q1 | $968K | Buy |
27,122
+16,009
| +144% | +$573K | 0.02% | 622 |
|
|
2015
Q4 | $504K | Sell |
11,113
-7,938
| -42% | -$405K | 0.01% | 863 |
|
|
2015
Q3 | $1.14M | Sell |
19,051
-1,588
| -8% | -$95.5K | 0.03% | 501 |
|
|
2015
Q2 | $1.22M | Buy |
20,639
+8,070
| +64% | +$578K | 0.03% | 569 |
|
|
2015
Q1 | $865K | Sell |
12,569
-30,825
| -71% | -$2.41M | 0.02% | 638 |
|
|
2014
Q4 | $3.63M | Buy |
43,394
+11,113
| +34% | +$839K | 0.1% | 216 |
|
|
2014
Q3 | $2.38M | Buy |
32,281
+19,183
| +146% | +$1.44M | 0.06% | 333 |
|
|
2014
Q2 | $914K | Buy |
+13,098
| New | +$878K | 0.02% | 589 |
|
|
2014
Q1 | – | Sell |
-17,067
| Closed | -$1.08M | – | 1060 |
|
|
2013
Q4 | $1.08M | Sell |
17,067
-9,922
| -37% | -$554K | 0.03% | 577 |
|
|
2013
Q3 | $1.29M | Buy |
26,989
+4,498
| +20% | +$222K | 0.04% | 416 |
|
|
2013
Q2 | $1.06M | Buy |
+22,491
| New | +$985K | 0.04% | 457 |
|
Other funds holding WDC
VCM
VPM
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.