Ardsley Advisory Partners’s Western Digital WDC Stock Holding History

Ardsley Advisory 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
2025 Q1	–	Sell	-13,230	Closed	-$596K	–	212
2024 Q4	$596K	Buy	+13,230	New	+$665K	0.09%	130
2022 Q4	–	Sell	-79,380	Closed	-$1.95M	–	159
2022 Q3	$1.95M	Buy	+79,380	New	+$2.64M	0.44%	50
2022 Q1	–	Sell	-11,907	Closed	-$587K	–	162
2021 Q4	$587K	Buy	+11,907	New	+$517K	0.11%	83
2021 Q3	–	Sell	-19,845	Closed	-$1.07M	–	170
2021 Q2	$1.07M	Buy	+19,845	New	+$1.07M	0.13%	88

Other funds holding WDC

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

AHT

Amanah Holdings Trust London $1.7B AUM 612.53% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

CRM

Cardano Risk Management Rotterdam, Netherlands $13B AUM 49.44% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Asset Management One Tokyo, Japan $39B AUM 37.51% 1-Year Est. Return

Ardsley Advisory Partners's WDC Position: Q2 2026 in Review

Ardsley Advisory Partners opened a new position in Western Digital (WDC) in Q2 2026: 5,500 shares worth $3.51M. The stake represents 0.37% of the portfolio and ranks #82 among its holdings. This is a return to the name: Ardsley Advisory Partners previously reported a position in WDC as recently as Q3 2025.

Ardsley Advisory Partners first reported a position in WDC in Q3 2014 and has held it in 15 quarters since. The position peaked at $12.5M in Q2 2021. 602 funds tracked by Wall St. Rank hold WDC as of Q2 2026.

Ardsley Advisory Partners held 5,500 shares of Western Digital worth $3.51M as of Q2 2026.
Western Digital was a new Ardsley Advisory Partners position in Q2 2026.
Western Digital made up 0.37% of Ardsley Advisory Partners's portfolio in Q2 2026, its #82 holding.
Ardsley Advisory Partners first reported a position in Western Digital in Q3 2014 and has held it in 15 quarters since.
Ardsley Advisory Partners's Western Digital position peaked at $12.5M in Q2 2021.
602 funds tracked by Wall St. Rank held Western Digital as of Q2 2026.

Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.