Western Digital Corp. (wdc 3 11/15/28)

13F holders, Q3 2025 (September 30)
9holders −2
2new positions
4sold out
1famous investor
$61.56avg. 13F price*

At the end of Q3 2025, 9 institutions reported holding Western Digital Corp. (wdc 3 11/15/28) in their 13F filings, down 2 from Q2 2025. 2 opened new positions and 4 sold out. The largest holders were Boussard & Gavaudan Investment Management LLP ($55.4M), Nomura Holdings Inc. ($25.9M) and Situational Awareness ($18.3M). One famous investor held it Leopold Aschenbrenner (0.8% of Situational Awareness's portfolio).

Company
Western Digital Corp. (wdc 3 11/15/28)
CUSIP
958102AT2
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q4 2024: 8Q4 2024Q1 2025: 9Q1 2025Q2 2025: 11Q2 2025Q3 2025: 9Q3 2025Q4 2025: 12Q4 2025Q1 2026: 13Q1 2026Q2 2026: 10Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions2$20.9M
Exits4$18.2M

All 13F filers, Q2 2025 → Q3 2025: 670,856 shares bought and 10,290,820 shares sold, net −9,619,964 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 9 holders

Boussard & Gavaudan Investment Management LLP 12.13% Add +133.8% 17,535 $55.4M
Nomura Holdings Inc. 0.13% Reduce -44.3% 215,689 $25.9M
Situational Awareness 0.84% New 152,821 $18.3M
Bank of New York Mellon Corp 0.00% Add +90.9% 1,050,000 $3.4M
Fifth Third Bancorp 0.01% New 8,000 $2.6M
Oppenheimer Asset Management Inc. 0.00% Reduce -0.8% 129,000 $414K
Loomis Sayles & Co. L P 0.00% Reduce -70.5% 3,431 $412K
Sei Investments Co. 0.00% No change 120,000 $385K
Stephens Inc. 0.00% No change 40,000 $128K

"% of holder's portfolio" is WESTERN DIGITAL CORP (WDC 3 11/15/28)'s weight in each manager's 13F, not the share of Western Digital Corp. (wdc 3 11/15/28) the manager owns.