PARNASSUS INVESTMENTS, LLC

Position in WDC — Western Digital Corp

CIK 948669 San Francisco, CA

Back to WDC Full portfolio

Position in WDC

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$107,330,972

+$17,148,144 QoQ

Shares Held

396,802

-24.2% QoQ

Ownership

0.115%

of shares outstanding

% of Portfolio

0.32%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WDC Over Time

Shares Held

Position Value (USD)

Position in Computer Hardware

Technology · as of Mar 31, 2026

PARNASSUS INVESTMENTS, LLC holds $158,354,492 across 2 Computer Hardware names. WDC ranks #1 (67.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	WDC	Western Digital Corp This page	396,802	$107,330,972
2	SNDK	Sandisk Corp	80,309	$51,023,520

All Filings in WDC

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$107,330,972	396,802	-24.2%	Shares	Sole	2026-05-12
2025-12-31	$90,182,828	523,497	-41.8%	Shares	Sole	2026-02-12
2025-09-30	$107,917,131	898,860	-37.5%	Shares	Sole	2025-10-24
2025-06-30	$91,993,367	1,437,621	-43.7%	Shares	Sole	2025-08-06
2025-03-31	$103,242,614	2,553,614	-14.3%	Shares	Sole	2025-05-15
2024-12-31	$134,316,082	2,980,047	+24.5%	Shares	Sole	2025-02-10
2024-09-30	$123,527,026	2,393,123	+3.9%	Shares	Sole	2024-11-08
2024-06-30	$131,905,426	2,303,164	+62.8%	Shares	Sole	2024-08-06
2024-03-31	$72,978,570	1,414,870	0.0%	Shares	Sole	2024-05-09
2023-12-31	$56,006,638	1,414,870	-28.8%	Shares	Sole	2024-02-12
2023-09-30	$68,491,258	1,985,841	-22.4%	Shares	Sole	2023-11-08
2023-06-30	$73,403,663	2,560,322	-43.3%	Shares	Sole	2023-07-31
2023-03-31	$128,563,075	4,515,231	-1.6%	Shares	Sole	2023-05-01
2022-12-31	$109,471,698	4,590,528	+17.4%	Shares	Sole	2023-01-30
2022-09-30	$96,184,340	3,909,424	-11.9%	Shares	Sole	2022-11-14
2022-06-30	$150,437,035	4,439,622	-13.4%	Shares	Sole	2022-08-05
2022-03-31	$192,449,025	5,128,104	-0.8%	Shares	Sole	2022-05-11
2021-12-31	$254,862,203	5,170,720	-7.9%	Shares	Sole	2022-02-11
2021-09-30	$239,596,391	5,616,339	0.0%	Shares	Sole	2021-11-16
2021-06-30	$302,127,586	5,616,339	-3.5%	Shares	Sole	2021-08-05
2021-03-31	$293,631,499	5,819,844	+6.1%	Shares	Sole	2021-05-06
2020-12-31	$229,616,672	5,484,431	0.0%	Shares	Sole	2021-02-10
2020-09-30	$151,516,181	5,484,431	+160.7%	Shares	Sole	2020-11-13
2020-06-30	$70,200,613	2,103,635	+998.2%	Shares	Sole	2020-08-12
2020-03-31	$6,026,058	191,554	—	Shares	Sole	2020-05-01
No filing history on record for this holder in this stock.