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John G. Ullman & Associates’s Western Digital WDC Stock Holding History

John G. Ullman & Associates’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
Q2 		$7.98M Sell
12,491
-20,467
-62% -$9.95M 0.97% 31
2026
Q1 		$8.91M Sell
32,958
-31,350
-49% -$8.18M 1.18% 26
2025
Q4 		$11.1M Sell
64,308
-11,750
-15% -$1.78M 1.48% 17
2025
Q3 		$9.13M Sell
76,058
-16,485
-18% -$1.35M 1.23% 22
2025
Q2 		$5.92M Sell
92,543
-8,068
-8% -$384K 0.88% 33
2025
Q1 		$4.07M Sell
100,611
-23,056
-19% -$1.09M 0.63% 53
2024
Q4 		$5.57M Sell
123,667
-2,306
-2% -$116K 0.82% 40
2024
Q3 		$6.5M Sell
125,973
-7,740
-6% -$391K 0.93% 33
2024
Q2 		$7.66M Sell
133,713
-1,299
-1% -$72K 1.17% 22
2024
Q1 		$6.96M Sell
135,012
-2,249
-2% -$98.5K 1.07% 25
2023
Q4 		$5.43M Buy
137,261
+31,884
+30% +$1.12M 0.86% 36
2023
Q3 		$3.63M Buy
105,377
+33,935
+48% +$1.07M 0.59% 53
2023
Q2 		$2.05M Sell
71,442
-8,732
-11% -$243K 0.32% 84
2023
Q1 		$2.28M Buy
80,174
+8,203
+11% +$241K 0.36% 71
2022
Q4 		$1.72M Sell
71,971
-133
-0.2% -$3.51K 0.27% 76
2022
Q3 		$1.77M Buy
+72,104
New +$2.39M 0.31% 73

Other funds holding WDC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

John G. Ullman & Associates's WDC Position: Q2 2026 in Review

John G. Ullman & Associates reduced its Western Digital (WDC) stake by 62% in Q2 2026, selling an estimated $9.95M and leaving 12,491 shares worth $7.98M. The position accounts for 0.97% of the portfolio, ranked #31.

John G. Ullman & Associates first reported a position in WDC in Q3 2022 and has held it in 16 quarters since. The position peaked at $11.1M in Q4 2025. 1,845 funds tracked by Wall St. Rank hold WDC as of Q2 2026.

  • John G. Ullman & Associates held 12,491 shares of Western Digital worth $7.98M as of Q2 2026.
  • John G. Ullman & Associates sold 20,467 Western Digital shares in Q2 2026, an estimated $9.95M.
  • Western Digital made up 0.97% of John G. Ullman & Associates's portfolio in Q2 2026, its #31 holding.
  • John G. Ullman & Associates first reported a position in Western Digital in Q3 2022 and has held it in 16 quarters since.
  • John G. Ullman & Associates's Western Digital position peaked at $11.1M in Q4 2025.
  • 1,845 funds tracked by Wall St. Rank held Western Digital as of Q2 2026.

Based on John G. Ullman & Associates's 13F filing for Q2 2026, filed 11 Aug 2026.