Parnassus Investments, LLC / WDC
Parnassus Investments, LLC’s Western Digital Corp Position
Does Parnassus Investments, LLC own Western Digital Corp (WDC)? Yes — 396.8K shares worth $107M (+0.31% of its 13F portfolio) as of Q1 2026, down from 523.5K shares the prior filed quarter.
Position Value
$107M
Q1 2026
Shares
396.8K
% of Portfolio
+0.31%
Quarters Held
25
currently held
Position History WDC
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 396.8K | $107M | +0.31% |
| Q4 2025 | 523.5K | $90M | +0.23% |
| Q3 2025 | 898.9K | $108M | +0.25% |
| Q2 2025 | 1.44M | $92M | +0.21% |
| Q1 2025 | 2.55M | $103M | +0.25% |
| Q4 2024 | 2.98M | $178M | +0.39% |
| Q3 2024 | 2.39M | $163M | +0.35% |
| Q2 2024 | 2.30M | $175M | +0.38% |
| Q1 2024 | 1.41M | $97M | +0.21% |
| Q4 2023 | 1.41M | $74M | +0.16% |
| Q3 2023 | 1.99M | $91M | +0.22% |
| Q2 2023 | 2.56M | $97M | +0.23% |
| Q1 2023 | 4.52M | $170M | +0.42% |
| Q4 2022 | 4.59M | $145M | +0.36% |
| Q3 2022 | 3.91M | $127M | +0.33% |
| Q2 2022 | 4.44M | $199M | +0.48% |
| Q1 2022 | 5.13M | $255M | +0.52% |
| Q4 2021 | 5.17M | $337M | +0.65% |
| Q3 2021 | 5.62M | $317M | +0.67% |
| Q2 2021 | 5.62M | $400M | +0.87% |
| Q1 2021 | 5.82M | $388M | +0.94% |
| Q4 2020 | 5.48M | $304M | +0.82% |
| Q3 2020 | 5.48M | $200M | +0.62% |
| Q2 2020 | 2.10M | $93M | +0.32% |
| Q1 2020 | 191.6K | $8M | +0.03% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Parnassus Investments, LLC’s full portfolio or all institutional holders of WDC.