S.A. Mason
WDC icon

S.A. Mason’s Western Digital WDC Stock Holding History

S.A. Mason’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
Q3 		$295K Sell
650
-3
-0.5% -$1.46K 0.09% 181
2026
Q2 		$417K Sell
653
-27
-4% -$13.1K 0.13% 148
2026
Q1 		$184K Sell
680
-95
-12% -$24.8K 0.07% 208
2025
Q4 		$134K Buy
+775
New +$118K 0.05% 234
2025
Q3 		– Sell
-710
Closed -$45.4K – 362
2025
Q2 		$45.4K Hold
710
– – 0.02% 294
2025
Q1 		$28.7K Sell
710
-295
-29% -$14K 0.02% 305
2024
Q4 		$45.3K Buy
+1,005
New +$50.5K 0.02% 277

Other funds holding WDC

AMF Tjänstepension
AMF Tjänstepension Stockholm, Sweden $17.2B AUM 28.3% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
AssetMark Inc
AssetMark Inc Concord, California $59.5B AUM 15.92% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
Cardano Risk Management
Cardano Risk Management Rotterdam, Netherlands $18.2B AUM 38.97% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return
BI Asset Management Fondsmaeglerselskab
BI Asset Management Fondsmaeglerselskab Kobenhavn, Denmark $13.1B AUM 35.37% 1-Year Est. Return
KBC Group
KBC Group Brussels, Belgium $47.9B AUM 37.61% 1-Year Est. Return
Fjarde Ap-fonden
Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return

S.A. Mason's WDC Position: Q3 2026 in Review

S.A. Mason reduced its Western Digital (WDC) stake by 0.46% in Q3 2026, selling an estimated $1.46K and leaving 650 shares worth $295K. The position accounts for 0.09% of the portfolio, ranked #181.

S.A. Mason first reported a position in WDC in Q4 2024 and has held it in 7 quarters since. The position peaked at $417K in Q2 2026. 407 funds tracked by Wall St. Rank hold WDC as of Q3 2026.

  • S.A. Mason held 650 shares of Western Digital worth $295K as of Q3 2026.
  • S.A. Mason sold 3 Western Digital shares in Q3 2026, an estimated $1.46K.
  • Western Digital made up 0.09% of S.A. Mason's portfolio in Q3 2026, its #181 holding.
  • S.A. Mason first reported a position in Western Digital in Q4 2024 and has held it in 7 quarters since.
  • S.A. Mason's Western Digital position peaked at $417K in Q2 2026.
  • 407 funds tracked by Wall St. Rank held Western Digital as of Q3 2026.

Based on S.A. Mason's 13F filing for Q3 2026, filed 13 Oct 2026.