PEAK6’s Western Digital WDC Stock Holding History

PEAK6’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	$25.6M	Sell	94,700 -91,900	-49%	-$24M	0.06%	281
2025 Q4	$32.1M	Sell	186,600 -923,300	-83%	-$140M	0.06%	263
2025 Q3	$133M	Sell	1,109,900 -38,000	-3%	-$3.11M	0.2%	93
2025 Q2	$73.5M	Buy	1,147,900 +998,400	+668%	+$47.5M	0.14%	133
2025 Q1	$6.04M	Sell	149,500 -111,263	-43%	-$5.28M	0.01%	820
2024 Q4	$11.8M	Buy	+260,763	New	+$13.1M	0.02%	510

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

PEAK6's WDC Position: Q1 2026 in Review

PEAK6 opened a new position in Western Digital (WDC) in Q1 2026: 48,116 shares worth $13M. The stake represents 0.03% of the portfolio and ranks #481 among its holdings. This is a return to the name: PEAK6 previously reported a position in WDC as recently as Q1 2025.

PEAK6 first reported a position in WDC in Q4 2024 and has held it in 3 quarters since. 1,406 funds tracked by Wall St. Rank hold WDC as of Q1 2026.

PEAK6 held 48,116 shares of Western Digital worth $13M as of Q1 2026.
Western Digital was a new PEAK6 position in Q1 2026.
Western Digital made up 0.03% of PEAK6's portfolio in Q1 2026, its #481 holding.
PEAK6 first reported a position in Western Digital in Q4 2024 and has held it in 3 quarters since.
1,406 funds tracked by Wall St. Rank held Western Digital as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.