RATIONAL ADVISORS, INC.

Position in WDC — Western Digital Corp

CIK 1143565 San Juan, PR

Position in WDC

as of Jun 30, 2026 · filed Jul 24, 2026 Compact

Position Value

$5,301,376

+$5,275,938 QoQ

Shares Held

8,300

+801.2% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

3.80%

of 13F equity value

Holder Rank

#588

of 1,836 holders

Holding Since

Jun 2020

3 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Technology · as of Jun 30, 2026

RATIONAL ADVISORS, INC. holds $7,235,990 across 4 Computer Hardware names. WDC ranks #1 (73.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WDC	Western Digital Corp This page	8,300	$5,301,376
2	SMCI	Super Micro Computer, Inc.	27,244	$799,066
3	ANET	Arista Networks, Inc.	4,650	$789,942
4	SNDK	Sandisk Corp	152	$345,606

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,301,376	8,300	+1092.5%	Shares	Other	2026-07-24
2020-09-30	$25,438	696	-54.5%	Shares	Other	2020-11-12
2020-06-30	$67,505	1,529	—	Shares	Other	2020-08-10
No filing history on record for this holder in this stock.