Maple Rock Capital Partners’s Western Digital WDC Stock Holding History

Maple Rock Capital Partners’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
2024 Q2	–	Sell	-1,984,500	Closed	-$102M	–	42
2024 Q1	$102M	Sell	1,984,500 -661,500	-25%	-$29M	5.67%	5
2023 Q4	$105M	Buy	+2,646,000	New	+$92.6M	5.97%	4
2021 Q1	–	Sell	-2,652,747	Closed	-$111M	–	32
2020 Q4	$111M	Buy	2,652,747 +1,335,965	+101%	+$44.4M	16.11%	1
2020 Q3	$36.4M	Buy	+1,316,782	New	+$39.1M	6.65%	3
2020 Q1	–	Sell	-3,237,646	Closed	-$155M	–	33
2019 Q4	$155M	Sell	3,237,646 -1,648,193	-34%	-$68.8M	23.64%	1
2019 Q3	$220M	Buy	4,885,839 +453,789	+10%	+$19.4M	29.52%	1
2019 Q2	$159M	Buy	+4,432,050	New	+$152M	26.36%	1
2017 Q2	–	Sell	-1,792,004	Closed	-$112M	–	22
2017 Q1	$112M	Buy	1,792,004 +1,780,956	+16,120%	+$102M	22.95%	1
2016 Q4	$1.07M	Buy	11,048 +2,216	+25%	+$102K	0.36%	20
2016 Q3	$1.34M	Buy	+8,832	New	+$333K	0.51%	22

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

Maple Rock Capital Partners's WDC Position: Q1 2026 in Review

Maple Rock Capital Partners reduced its Western Digital (WDC) stake by 41% in Q1 2026, selling an estimated $256M and leaving 1,400,434 shares worth $379M. The position accounts for 12.32% of the portfolio, ranked #1.

Maple Rock Capital Partners first reported a position in WDC in Q3 2016 and has held it in 33 quarters since. The position peaked at $410M in Q4 2025. 1,408 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

Maple Rock Capital Partners held 1,400,434 shares of Western Digital worth $379M as of Q1 2026.
Maple Rock Capital Partners sold 981,091 Western Digital shares in Q1 2026, an estimated $256M.
Western Digital made up 12.32% of Maple Rock Capital Partners's portfolio in Q1 2026, its #1 holding.
Maple Rock Capital Partners first reported a position in Western Digital in Q3 2016 and has held it in 33 quarters since.
Maple Rock Capital Partners's Western Digital position peaked at $410M in Q4 2025.
1,408 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on Maple Rock Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.