Sienna Gestion

Position in WDC — Western Digital Corp

CIK 2021242 PARIS, I0

Position in WDC

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$14,795,310

-$3,396,224 QoQ

Shares Held

23,164

-65.6% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.88%

of 13F equity value

Holder Rank

#392

of 1,836 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Sienna Gestion holds $29,177,390 across 5 Computer Hardware names. WDC ranks #1 (50.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WDC	Western Digital Corp This page	23,164	$14,795,310
2	ANET	Arista Networks, Inc.	71,011	$12,063,348
3	LOGI	Logitech International S.A.	15,333	$1,441,915
4	STX	Seagate Technology Holdings plc	525	$506,625
5	DELL	Dell Technologies Inc.	858	$370,192

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$14,795,310	23,164	-65.6%	Shares	Sole	2026-08-13
2026-03-31	$18,191,534	67,254	-21.8%	Shares	Sole	2026-05-15
2025-12-31	$14,811,946	85,981	0.0%	Shares	Sole	2026-02-13
2025-09-30	$10,322,878	85,981	—	Shares	Sole	2025-11-13
No filing history on record for this holder in this stock.