CSS LLC’s Western Digital WDC Stock Holding History

CSS LLC’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	–	Sell	-330,000	Closed	-$56.8M	–	1199
2025 Q4	$56.8M	Buy	330,000 +320,000	+3,200%	+$48.5M	2.53%	5
2025 Q3	$1.57M	Hold	10,000	–	–	0.07%	209
2025 Q2	$640K	Hold	10,000	–	–	0.03%	466
2025 Q1	$404K	Sell	10,000 -3,230	-24%	-$153K	0.02%	554
2024 Q4	$596K	Hold	13,230	–	–	0.03%	495
2024 Q3	$683K	Hold	13,230	–	–	0.03%	403
2024 Q2	$758K	Sell	13,230 -25,666	-66%	-$1.42M	0.04%	360
2024 Q1	$2.01M	Buy	38,896 +14,817	+62%	+$649K	0.12%	147
2023 Q4	$953K	Buy	+24,079	New	+$843K	0.06%	263
2017 Q1	–	Sell	-13,419	Closed	-$689K	–	735
2016 Q4	$689K	Hold	13,419	–	–	0.04%	300
2016 Q3	$592K	Sell	13,419 -7,881	-37%	-$297K	0.03%	344
2016 Q2	$761K	Buy	+21,300	New	+$701K	0.05%	274

Other funds holding WDC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 New York $1.56T AUM 27.86% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

CSS LLC's WDC Position: Q1 2026 in Review

CSS LLC reduced its Western Digital (WDC) stake by 36% in Q1 2026, selling an estimated $3.76M and leaving 25,433 shares worth $6.88M. The position accounts for 0.33% of the portfolio, ranked #57.

CSS LLC first reported a position in WDC in Q2 2016 and has held it in 11 quarters since. 1,407 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

CSS LLC held 25,433 shares of Western Digital worth $6.88M as of Q1 2026.
CSS LLC sold 14,390 Western Digital shares in Q1 2026, an estimated $3.76M.
Western Digital made up 0.33% of CSS LLC's portfolio in Q1 2026, its #57 holding.
CSS LLC first reported a position in Western Digital in Q2 2016 and has held it in 11 quarters since.
1,407 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.