SEI INVESTMENTS CO

Position in WDC — Western Digital Corp

CIK 350894 OAKS, PA

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$262,146,655

+$128,207,041 QoQ

Shares Held

410,425

-17.1% QoQ

Ownership

0.114%

of shares outstanding

% of Portfolio

0.29%

of 13F equity value

Holder Rank

#84

of 1,836 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SEI INVESTMENTS CO holds $1,293,811,420 across 19 Computer Hardware names. WDC ranks #3 (20.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ANET	Arista Networks, Inc.	1,602,547	$272,240,683
2	SNDK	Sandisk Corp	118,324	$269,036,828
3	WDC	Western Digital Corp This page	410,425	$262,146,655
4	STX	Seagate Technology Holdings plc	243,486	$234,963,990
5	DELL	Dell Technologies Inc.	343,995	$148,420,081
6	HPQ	Hp Inc	2,815,179	$61,765,026
7	P	Everpure, Inc.	290,918	$22,921,428
8	UMAC	Unusual Machines, Inc.	373,235	$8,323,140

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$262,146,655	410,425	-17.1%	Shares	Defined	2026-08-14
2026-03-31	$133,939,614	495,174	+5.1%	Shares	Sole	2026-05-13
2025-12-31	$81,173,106	471,197	+2.5%	Shares	Defined	2026-02-13
2025-09-30	$55,212,472	459,874	+352.0%	Shares	Defined	2025-11-13
2025-06-30	$6,510,214	101,738	-19.6%	Shares	Sole	2025-08-14
2024-12-31	$7,545,816	126,544	-18.8%	Shares	Sole	2025-02-11
2024-09-30	$10,636,637	155,757	-34.7%	Shares	Sole	2024-11-12
2024-06-30	$18,080,630	238,625	-13.1%	Shares	Sole	2024-08-13
2024-03-31	$18,730,703	274,483	+6.7%	Shares	Sole	2024-05-07
2023-12-31	$13,469,309	257,195	-9.6%	Shares	Sole	2024-02-14
2023-09-30	$12,980,138	284,465	+8.8%	Shares	Defined	2023-11-14
2023-06-30	$9,913,614	261,366	+16.1%	Shares	Sole	2023-08-11
2023-03-31	$8,482,087	225,168	+9.5%	Shares	Sole	2023-05-12
2022-12-31	$6,486,453	205,593	+88.1%	Shares	Sole	2023-02-10
2022-09-30	$3,558,433	109,322	+154.9%	Shares	Sole	2022-11-14
2022-06-30	$1,922,757	42,890	+42.6%	Shares	Sole	2022-08-15
2022-03-31	$1,493,469	30,080	-75.7%	Shares	Sole	2022-05-13
2021-12-31	$8,080,497	123,915	+269.5%	Shares	Defined	2022-02-14
2021-09-30	$1,892,826	33,537	+13.2%	Shares	Sole	2021-11-12
2021-06-30	$2,107,698	29,615	+46.2%	Shares	Sole	2021-08-06
2021-03-31	$1,351,820	20,252	-55.6%	Shares	Sole	2021-05-12
2020-12-31	$2,526,838	45,619	-43.8%	Shares	Sole	2021-02-08
2020-09-30	$2,965,847	81,145	+118.7%	Shares	Defined	2020-12-04
2020-06-30	$1,638,140	37,104	-36.2%	Shares	Sole	2020-08-17
2020-03-31	$2,421,991	58,193	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.