Sienna Gestion

SEC CIK: 0002021242
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

WDC holding history

Western Digital Corp in every 13F filed by Sienna Gestion, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WDC overview All 13F holders of WDC Full Q2 2026 holdings

Shares (Q2 2026): 23,164
Value: $15.3M
% of portfolio: 0.9%
Quarters held: 4; Since Q3 2025

Holdings of WDC by Sienna Gestion, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	23,164	$15.3M	0.9%	−44,090−65.6%	Reduced	Holders
Q1 2026	67,254	$17.1M	1.1%	−18,727−21.8%	Reduced	Holders
Q4 2025	85,981	$15.1M	0.9%	00.0%	Unchanged	Holders
Q3 2025	85,981	$9.41M	0.7%	+85,981	New	Holders