FACTORY MUTUAL INSURANCE CO

Insurance

Position in WDC — Western Digital Corp

CIK 887818 WALTHAM, MA

Position in WDC

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$7,728,512

-$8,561,633 QoQ

Shares Held

12,100

-97.2% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

#499

of 1,836 holders

Holding Since

Mar 2021

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

FACTORY MUTUAL INSURANCE CO holds $84,765,487 across 3 Computer Hardware names. WDC ranks #3 (9.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ANET	Arista Networks, Inc.	324,320	$55,095,481
2	SNDK	Sandisk Corp	9,650	$21,941,494
3	WDC	Western Digital Corp This page	12,100	$7,728,512

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,728,512	12,100	-96.3%	Shares	Sole	2026-07-21
2022-03-31	$16,290,145	328,100	0.0%	Shares	Sole	2022-05-13
2021-12-31	$21,395,403	328,100	-10.0%	Shares	Sole	2022-02-10
2021-09-30	$20,573,725	364,524	-2.0%	Shares	Sole	2021-11-12
2021-06-30	$26,462,710	371,824	-2.2%	Shares	Sole	2021-07-14
2021-03-31	$25,384,283	380,289	—	Shares	Sole	2021-05-10
No filing history on record for this holder in this stock.