Group One Trading
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Group One Trading’s Western Digital WDC Stock Holding History

Group One Trading’s Portfolio WDC Stock Details WDC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$44.8M Sell
165,500
-28,600
-15% -$7.47M 0.09% 220
2025
Q4 		$33.4M Buy
194,100
+16,100
+9% +$2.44M 0.06% 329
2025
Q3 		$21.4M Buy
178,000
+107,000
+151% +$8.74M 0.04% 469
2025
Q2 		$4.54M Sell
71,000
-15,500
-18% -$738K 0.01% 1396
2025
Q1 		$3.5M Buy
86,500
+2,093
+2% +$99.3K 0.01% 1350
2024
Q4 		$3.8M Sell
84,407
-2,382
-3% -$120K 0.01% 1365
2024
Q3 		$4.48M Buy
86,789
+49,613
+133% +$2.51M 0.01% 1081
2024
Q2 		$2.13M Sell
37,176
-7,674
-17% -$426K 0.01% 1404
2024
Q1 		$2.31M Sell
44,850
-4,366
-9% -$191K 0.01% 1381
2023
Q4 		$1.95M Buy
49,216
+4,763
+11% +$167K 0.01% 1896
2023
Q3 		$1.53M Sell
44,453
-57,021
-56% -$1.8M 0.01% 1876
2023
Q2 		$2.91M Sell
101,474
-4,895
-5% -$136K 0.01% 1388
2023
Q1 		$3.03M Sell
106,369
-15,215
-13% -$446K 0.01% 1194
2022
Q4 		$2.9M Buy
121,584
+35,986
+42% +$949K 0.01% 1519
2022
Q3 		$2.11M Sell
85,598
-285,636
-77% -$9.48M ﹤0.01% 1875
2022
Q2 		$12.6M Buy
371,234
+134,152
+57% +$5.39M 0.02% 711
2022
Q1 		$8.9M Sell
237,082
-214,723
-48% -$8.81M 0.01% 1084
2021
Q4 		$22.3M Sell
451,805
-5,821
-1% -$253K 0.02% 630
2021
Q3 		$19.5M Buy
457,626
+1,852
+0.4% +$88K 0.02% 633
2021
Q2 		$24.5M Sell
455,774
-1,984
-0.4% -$107K 0.03% 523
2021
Q1 		$23.1M Sell
457,758
-131,771
-22% -$6.16M 0.03% 477
2020
Q4 		$24.7M Buy
589,529
+68,399
+13% +$2.27M 0.04% 363
2020
Q3 		$14.4M Buy
521,130
+240,919
+86% +$7.16M 0.05% 380
2020
Q2 		$9.35M Buy
280,211
+159,950
+133% +$5.18M 0.04% 475
2020
Q1 		$3.78M Sell
120,261
-120,260
-50% -$5.33M 0.03% 679
2019
Q4 		$11.5M Sell
240,521
-530
-0.2% -$22.1K 0.08% 300
2019
Q3 		$10.9M Buy
241,051
+146,192
+154% +$6.24M 0.09% 255
2019
Q2 		$3.41M Sell
94,859
-94,462
-50% -$3.24M 0.03% 737
2019
Q1 		$6.88M Sell
189,321
-36,647
-16% -$1.25M 0.08% 300
2018
Q4 		$6.31M Buy
225,968
+135,342
+149% +$4.8M 0.05% 414
2018
Q3 		$4.01M Buy
90,626
+46,570
+106% +$2.36M 0.03% 699
2018
Q2 		$2.58M Sell
44,056
-17,199
-28% -$1.09M 0.02% 949
2018
Q1 		$4.27M Sell
61,255
-457,890
-88% -$30.8M 0.04% 552
2017
Q4 		$31.2M Sell
519,145
-47,231
-8% -$3.04M 0.22% 74
2017
Q3 		$37M Buy
566,376
+69,457
+14% +$4.61M 0.34% 35
2017
Q2 		$33.3M Buy
496,919
+79,380
+19% +$5.27M 0.35% 38
2017
Q1 		$26M Sell
417,539
-256,530
-38% -$14.7M 0.3% 47
2016
Q4 		$34.6M Sell
674,069
-33,207
-5% -$1.53M 0.34% 43
2016
Q3 		$31.3M Sell
707,276
-75,808
-10% -$2.86M 0.34% 51
2016
Q2 		$28M Buy
783,084
+715,479
+1,058% +$23.6M 0.33% 44
2016
Q1 		$2.41M Buy
67,605
+40,351
+148% +$1.44M 0.03% 665
2015
Q4 		$1.24M Buy
+27,254
New +$1.39M 0.01% 1164

Other funds holding WDC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Group One Trading's WDC Position: Q1 2026 in Review

Group One Trading sold out of Western Digital (WDC) in Q1 2026, closing a stake of 68,783 shares — an estimated $18M sold.

Group One Trading first reported a position in WDC in Q2 2013 and held it in 25 quarters. The position peaked at $11.8M in Q4 2025. 1,406 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

  • Group One Trading reported no remaining Western Digital position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 68,783 Western Digital shares in Q1 2026, an estimated $18M.
  • Group One Trading first reported a position in Western Digital in Q2 2013 and held it in 25 quarters.
  • Group One Trading's Western Digital position peaked at $11.8M in Q4 2025.
  • 1,406 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.