RHUMBLINE ADVISERS

Position in WDC — Western Digital Corp

CIK 1115418 BOSTON, MA

Position in WDC

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$404,443,252

+$243,662,644 QoQ

Shares Held

633,209

+6.5% QoQ

Ownership

0.176%

of shares outstanding

% of Portfolio

0.31%

of 13F equity value

Holder Rank

#68

of 1,836 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 54% Shared 0% None 46%

Technology · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,836,863,770 across 23 Computer Hardware names. WDC ranks #2 (22.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SNDK	Sandisk Corp	214,727	$488,231,221
2	WDC	Western Digital Corp This page	633,209	$404,443,252
3	ANET	Arista Networks, Inc.	1,771,259	$300,901,478
4	DELL	Dell Technologies Inc.	519,444	$224,119,308
5	STX	Seagate Technology Holdings plc	229,645	$221,607,425
6	P	Everpure, Inc.	918,390	$72,359,948
7	HPQ	Hp Inc	2,093,637	$45,934,395
8	SMCI	Super Micro Computer, Inc.	1,021,333	$29,955,696

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$404,443,252	633,209	+6.5%	Shares	Sole	2026-08-12
2026-03-31	$160,780,608	594,405	-6.4%	Shares	Sole	2026-05-12
2025-12-31	$109,397,651	635,036	-5.0%	Shares	Sole	2026-02-13
2025-09-30	$80,285,562	668,712	-1.7%	Shares	Sole	2025-11-06
2025-06-30	$43,532,460	680,301	+0.8%	Shares	Sole	2025-08-12
2025-03-31	$27,285,155	674,874	+7.3%	Shares	Sole	2025-05-29
2024-12-31	$37,487,705	628,672	+1.3%	Shares	Sole	2025-05-29
2024-09-30	$42,383,680	620,643	-1.1%	Shares	Sole	2024-11-12
2024-06-30	$47,555,791	627,633	+5.2%	Shares	Sole	2024-08-01
2024-03-31	$40,704,307	596,488	-4.0%	Shares	Sole	2024-05-09
2023-12-31	$32,555,776	621,649	+2.3%	Shares	Sole	2024-02-08
2023-09-30	$27,725,201	607,609	-1.2%	Shares	Sole	2023-11-09
2023-06-30	$23,324,947	614,947	+0.1%	Shares	Sole	2023-08-08
2023-03-31	$23,132,156	614,073	-0.4%	Shares	Sole	2023-05-11
2022-12-31	$19,457,912	616,733	+5.3%	Shares	Sole	2023-02-14
2022-09-30	$19,061,462	585,605	+4.9%	Shares	Sole	2022-11-10
2022-06-30	$25,022,440	558,163	+12.4%	Shares	Sole	2022-08-11
2022-03-31	$24,655,018	496,577	+1.5%	Shares	Sole	2022-05-12
2021-12-31	$31,903,214	489,238	+0.9%	Shares	Sole	2022-02-10
2021-09-30	$27,375,927	485,045	-2.7%	Shares	Sole	2021-11-12
2021-06-30	$35,477,742	498,493	-1.7%	Shares	Sole	2021-08-05
2021-03-31	$33,841,305	506,986	-15.3%	Shares	Sole	2021-05-06
2020-12-31	$33,140,138	598,305	+3.7%	Shares	Sole	2021-02-10
2020-09-30	$21,091,245	577,052	+9.1%	Shares	Sole	2020-11-12
2020-06-30	$23,348,355	528,842	-5.0%	Shares	Sole	2020-08-13
2020-03-31	$23,171,139	556,731	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.